The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat

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Abstract

Background: The dunes sagebrush lizard ( Sceloporus arenicolus ) is an imperiled species that is restricted to shinnery oak ( Quercus havardii ) sand dune habitats in southeastern New Mexico and West Texas, USA. This region is also a hotspot of oil and gas development that is a major threat to the species. Methods: : Here we use well data and a natural experiment to test the effectiveness of voluntary conservation agreements for slowing or stopping oil and gas well approval in the lizard’s habitat in New Mexico and Texas. Results: : We show that the Candidate Conservation Agreement (CCA) and CCA with Assurances in New Mexico, both of which contain strong avoidance mechanisms, are associated with a steep decline in oil and gas well approval in the New Mexico portion of the lizard’s range, but not outside the lizard’s range. By contrast, the Texas Conservation Plan (TCP), which does not include mandatory avoidance, is not associated with any decline of oil and gas well approval in the lizard's Texas range relative to the broader landscape. Conclusions: : These results indicate that the TCP is insufficient to conserve the lizard in Texas, thereby jeopardizing genetic and geographic representation across the range of the species.
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This region is also a hotspot of oil and gas development that is a major threat to the species. Methods: Here we use well data and a natural experiment to test the effectiveness of voluntary conservation agreements for slowing or stopping oil and gas well approval in the lizard’s habitat in New Mexico and Texas. Results: We show that the Candidate Conservation Agreement (CCA) and CCA with Assurances in New Mexico, both of which contain strong avoidance mechanisms, are associated with a steep decline in oil and gas well approval in the New Mexico portion of the lizard’s range, but not outside the lizard’s range. By contrast, the Texas Conservation Plan (TCP), which does not include mandatory avoidance, is not associated with any decline of oil and gas well approval in the lizard's Texas range relative to the broader landscape. Conclusions: These results indicate that the TCP is insufficient to conserve the lizard in Texas, thereby jeopardizing genetic and geographic representation across the range of the species." } { "@context": "http://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": "1", "item": { "@id": "https://f1000research.com/", "name": "Home" } }, { "@type": "ListItem", "position": "2", "item": { "@id": "https://f1000research.com/browse/articles", "name": "Browse" } }, { "@type": "ListItem", "position": "3", "item": { "@id": "https://f1000research.com/articles/7-824/v1", "name": "The Texas Conservation Plan has not slowed oil and gas well development..." } } ] } Home Browse The Texas Conservation Plan has not slowed oil and gas well development... ALL Metrics - Views Downloads Get PDF Get XML Cite How to cite this article Malcom J and Moskwik M. The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.12688/f1000research.15346.1 ) NOTE: If applicable, it is important to ensure the information in square brackets after the title is included in all citations of this article. Close Copy Citation Details Export Export Citation Sciwheel EndNote Ref. Manager Bibtex ProCite Sente EXPORT Select a format first Track Share ▬ ✚ Research Article The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] Jacob Malcom https://orcid.org/0000-0002-4904-8369 1 , Matthew Moskwik 1 Jacob Malcom https://orcid.org/0000-0002-4904-8369 1 , Matthew Moskwik 1 PUBLISHED 21 Jun 2018 Author details Author details 1 Center for Conservation Innovation, Defenders of Wildlife, Washington, DC, 20036, USA Jacob Malcom Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Project Administration, Resources, Software, Supervision, Validation, Visualization, Writing – Original Draft Preparation, Writing – Review & Editing Matthew Moskwik Roles: Conceptualization, Data Curation, Formal Analysis, Methodology, Resources, Software, Validation, Writing – Original Draft Preparation, Writing – Review & Editing OPEN PEER REVIEW DETAILS REVIEWER STATUS This article is included in the Ecology and Global Change gateway. Abstract Background: The dunes sagebrush lizard ( Sceloporus arenicolus ) is an imperiled species that is restricted to shinnery oak ( Quercus havardii ) sand dune habitats in southeastern New Mexico and West Texas, USA. This region is also a hotspot of oil and gas development that is a major threat to the species. Methods: Here we use well data and a natural experiment to test the effectiveness of voluntary conservation agreements for slowing or stopping oil and gas well approval in the lizard’s habitat in New Mexico and Texas. Results: We show that the Candidate Conservation Agreement (CCA) and CCA with Assurances in New Mexico, both of which contain strong avoidance mechanisms, are associated with a steep decline in oil and gas well approval in the New Mexico portion of the lizard’s range, but not outside the lizard’s range. By contrast, the Texas Conservation Plan (TCP), which does not include mandatory avoidance, is not associated with any decline of oil and gas well approval in the lizard's Texas range relative to the broader landscape. Conclusions: These results indicate that the TCP is insufficient to conserve the lizard in Texas, thereby jeopardizing genetic and geographic representation across the range of the species. READ ALL READ LESS Keywords Endangered Species Act, dunes sagebrush lizard, Sceloporus arenicolus, oil and gas development, voluntary conservation, Candidate Conservation Agreement Corresponding Author(s) Jacob Malcom ( [email protected] ) Close Corresponding author: Jacob Malcom Competing interests: No competing interests were disclosed. Grant information: The author(s) declared that no grants were involved in supporting this work. Copyright: © 2018 Malcom J and Moskwik M. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. How to cite: Malcom J and Moskwik M. The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.12688/f1000research.15346.1 ) First published: 21 Jun 2018, 7 :824 ( https://doi.org/10.12688/f1000research.15346.1 ) Latest published: 21 Jun 2018, 7 :824 ( https://doi.org/10.12688/f1000research.15346.1 ) Introduction The dunes sagebrush lizard (DSL; Sceloporus arenicolus ) is an imperiled species whose distribution is restricted to shinnery oak ( Quercus havardii ) sand dunes in the Mescalero Sandhills of eastern New Mexico and the Monahans Sandhills of West Texas, USA ( Degenhardt et al ., 1996 ; Fitzgerald & Painter, 2009 ). This area is within the Permian Basin, which is the focus of extensive and intensive oil, gas, and infrastructure development that degrades or destroys the species’ habitat ( Sias & Snell, 1998 ; U.S. Fish and Wildlife Service, 2010 ). The species’ perilous conservation status has been recognized since at least 1982, when the U.S. Fish and Wildlife Service (FWS) first established S. arenicolus as a candidate for listing under the U.S. Endangered Species Act (ESA) ( U.S. Fish and Wildlife Service, 2010 ). After episodes in and out of candidate status, the FWS proposed to list the species as endangered in 2010 ( U.S. Fish and Wildlife Service, 2010 ). That proposal was withdrawn in 2012, in large part because of voluntary conservation agreements in New Mexico and Texas that the FWS believed offered adequate protections for the species ( U.S. Fish and Wildlife Service, 2012 ). The agreements for New Mexico and Texas are structured very differently, but both are based on the voluntary conservation component of section 10(a)(1)(A) of the ESA. For non-listed species, these include Candidate Conservation Agreements (CCAs) and CCAs with Assurances (CCAAs; for brevity, we refer to both agreements as the “CCA/As”). CCAs are agreements between FWS and one or more public or private parties that stipulate the actions enrollees will take or will avoid to conserve a species, which may preclude the need for listing under the ESA. CCAAs are similar to CCAs, but apply only to non-federal parties and include assurances that enrollees will not face ESA restrictions beyond those described in the CCAA if the covered species is listed in the future. (Federal agencies are not eligible for CCAAs because they cannot be exempted from the duty to avoid jeopardizing listed species under section 7(a)(2).) Parties in New Mexico drafted a CCA (for federal entities) and complementary CCAA (for non-federal entities) to protect lesser prairie-chicken ( Tympanuchus pallidicinctus ) and S. arenicolus habitat in December, 2008. These CCA/As include strong requirements to avoid the lizard’s shinnery oak sand dune habitats ( U.S. Fish and Wildlife Service et al ., 2008 ; U.S. Fish and Wildlife Service and the Center for Excellence in Hazardous Materials Management, 2008 ), which reflect the practices of the Bureau of Land Management in their Range Management Plan for the species ( BLM, 2008 ). However, the CCA/As also direct oil and gas wells into interstitial habitats (between the large sand dune blowouts that the species uses) that provide connectivity among core dunes habitats. In contrast to the New Mexico CCA/As, the Texas Conservation Plan (TCP) for the DSL—which is a CCAA with a tailored name—does not include avoidance requirements ( Texas Comptroller of Public Accounts, 2011 ). Instead, the TCP offers only guidance to attempt to avoid habitat; there is no requirement for enrollees to avoid developing oil and gas wells in lizard habitat. Even though the same legal instrument underlies the agreement of each states—section 10(a)(1)(B) of the ESA—the differences in the details means we expect different conservation outcomes for S. arenicolus . The objective of this study was to test whether voluntary conservation agreements for the DSL in New Mexico and Texas may have been effective at reducing oil and gas development in the species’ habitat. We hypothesized that the New Mexico CCA/As have produced a noticeable reduction of new oil and gas wells approval in DSL habitat, but that the TCP did not produce such a reduction. Our predictions were: 1. The rate of new well approval through time is approximately the same inside and outside of DSL habitat before the CCA/As (2009) (in New Mexico) and before the TCP (2012) (in Texas); 2. The rate of new well approval in New Mexico is lower inside of DSL habitat than outside of DSL habitat after the CCA/As were adopted; and 3. The rate of new well approval in Texas is not different inside and outside of DSL habitat after the TCP was adopted. Methods Data identification We downloaded all oil and gas well data for New Mexico from the state’s Oil Conservation Division site on 03 April 2018. The Texas Railroad Commission makes its oil and gas well data available through a separate provider, http://www.texas-drilling.com/ , from which we downloaded the data on 03 April 2018. We filtered out well approvals that were marked as canceled in the datasets from both states. We defined the range of S. arenicolus in New Mexico as the boundaries recognized in 2008, at the time the CCA/As were developed and adopted. We defined the species’ range in Texas as the boundaries of the “Hibbitts Map” of suitable habitat (from low to very high quality; Fitzgerald et al ., 2011 ). In New Mexico, the area outside of the species range included oil and gas well data from the Permian basin excluding the 2008 range boundaries. In Texas, the area outside included the five counties (i.e., Andrews, Crane, Ector, Ward, and Winkler) that encompass the species’ range, excluding the “Hibbitts Map.” Data analysis To test our hypotheses and determine the rate of oil and gas well expansion, we counted the number of wells approved each year since 1990 inside and outside of S. arenicolus habitat. Because this scenario is an intervention experiment with a before-after-control-impact design, we fit log-link Poisson generalized linear models ( McCullagh & Nelder, 1999 ), with terms for time period and in/out of habitat, for statistical inference. We fit separate linear models, of the form number_wells ~ year + in_CCAA_area, for New Mexico and Texas data to plot the trends in/out of habitat and before/after the agreements were approved. All code and the data needed to replicate our results is available in the Open Science Foundation repository at https://doi.org/10.17605/OSF.IO/HKVSU ( Malcom, 2018 ). Results The well data supported our predictions. We observed that the rate of new well approval was much lower within the DSL habitat than outside of the DSL habitat after the adoption of the CCA/As in New Mexico ( Figure 1 ); however, the rate of new well approvals was no different inside versus outside of DSL habitat after the adoption of the TCP in Texas ( Figure 2 ). The trends visible in the plots are supported by the generalized linear model statistics ( Table 1 ). Figure 1. The New Mexico Candidate Conservation Agreement (CCA) and CCA with Assurances (together, CCA/As), which have strong avoidance requirements, result in a rapid decline of new well approvals in dunes sagebrush lizard habitat after their adoption in 2008. The plot shows the number of wells approved by the State of New Mexico per year (dots), inside and outside of the lizard’s habitat (yellow and purple, respectively). Fitted lines are from a simple least-squares model of the form number_wells ~ year + in_CCAA_area, split by pre- and post-CCA/A. Figure CC-BY Defenders of Wildlife 2018, available at https://doi.org/10.6084/m9.figshare.6226721 ( Malcom & Moskwik, 2018 ). Figure 2. The Texas Conservation Plan (TCP), which lacks strong avoidance requirements, has no apparent effect on new well approvals in dunes sagebrush lizard habitat versus outside of habitat after the TCP was adopted in 2012. The plot shows the number of wells approved by the Texas Railroad Commission per year (dots), inside and outside of the lizard’s habitat (yellow and purple, respectively). Fitted lines are from a simple least-squares model of the form number_wells ~ year + in_TCP_area, split by pre- and post-TCP. CC-BY Defenders of Wildlife 2018, available at https://doi.org/10.6084/m9.figshare.6226964.v2 ( Malcom & Moskwik, 2018 ). Table 1. Parameter estimates for trends in oil and gas well approvals in and outside of Sceloporus arenicolus habitat, pre- and post-agreement in New Mexico (2009) and Texas (2012). State Time Parameter Estimate se z p-value New Mexico Pre-agreement Year 0.024 0.0014 16.5 <2×10 -16 Year:in-habitat 0.003 0.0043 0.69 0.487 Post-agreement Year 0.023 0.0036 6.22 4.85e -10 Year:in-habitat -0.192 0.0115 -16.7 <2×10 -16 Texas Pre-agreement Year 0.067 0.0013 51.9 <2×10 -16 Year:in-habitat -0.053 0.0050 -10.6 <2×10 -16 Post-agreement Year -0.322 0.0069 -46.8 <2×10 -16 Year:in-habitat 0.127 0.0356 3.56 3.74×10 -4 se, standard error. Discussion Conserving the DSL requires protecting its remaining habitat in both New Mexico and Texas: if the species is lost from either state then representation ( Shaffer & Stein, 2000 )—both in terms of unique genetic contributions ( Chan et al ., 2009 ; Chan et al ., 2013 ) and geographical distribution—will be lost. Our analyses indicate that the CCA/As in New Mexico have significantly reduced oil and gas development, one of the most notable direct threats to the DSL and its habitat. In contrast to New Mexico, the data show that the TCP has had no effect on the rate of new well approval inside DSL habitat in Texas. This research highlights how the details of voluntary conservation agreements, even those authorized under the exact same provision of law, can lead to markedly different outcomes. The decline in the number of new oil and gas wells approved each year in New Mexico after the CCA/As were adopted reflect the avoidance requirements in those agreements. The number of new wells approved in the DSL’s range in New Mexico is not zero since the CCA/As were enacted because the agreements allow well siting in interstitial habitat. While this reduces the direct effects of development, it likely harms connectivity ( U.S. Fish and Wildlife Service, 2008 ) and may have secondary effects on landscape characteristics that influence DSL life history ( Ryberg et al ., 2015 ). Because the TCP does not require avoidance of DSL habitat loss, i.e., there is no mechanism protecting the habitat, we expected to not see any effect of the TCP. The data supported our prediction, and even hint that the rate outside DSL habitat decreased faster than inside. Had the State of Texas incorporated strong avoidance requirements of the New Mexico CCA/As into the TCP, then our analysis may have shown that voluntary conservation efforts were sufficient to protect the DSL. Data availability In addition to obtaining the data as described in the manuscript, the raw oil and gas well data associated with this article can also be found on OSF: https://osf.io/hkvsu/ ( Malcom, 2018 ). Software availability Software available from: https://github.com/jacob-ogre/DSL_well_approvals . Archived software at time of publication: https://osf.io/hkvsu/ ( Malcom, 2018 ). License: BSD 2-Clause "Simplified" License . Competing interests No competing interests were disclosed. Grant information The author(s) declared that no grants were involved in supporting this work. Acknowledgements We thank Y.-W. Li and R. Dreher for their helpful comments on the manuscript. Faculty Opinions recommended References Bureau of Land Management: Special status species Record of Decision and approved resource management plan amendment. Pecos District Office, Bureau of Land Management, Roswell, New Mexico. 2008; 110. Reference Source Chan LM, Archie JW, Yoder AD, et al. : Review of the systematic status of Sceloporus arenicolus Degenhardt and Jones, 1972 with an estimate of divergence time. Zootaxa. 2013; 3664 (3): 312–320. PubMed Abstract | Publisher Full Text Chan LM, Fitzgerald LA, Zamudio KR: The scale of genetic differentiation in the dunes sagebrush lizard ( Sceloporus arenicolus ), an endemic habitat specialist. Conserv Genet. 2009; 10 (1): 131–142. Publisher Full Text Degenhardt WG, Painter CW, Price AH: Amphibians and Reptiles of New Mexico. University of New Mexico Press; 1996. Reference Source Fitzgerald LA, Painter CW: Dunes sagebrush lizard ( Sceloporus arenicolus ). In L.L.C. Jones and R.E. Lovich (editors). Lizards of the American Southwest: a photographic field guide. Rio Nuevo Publishers, Tucson, Arizona. 2009; 198–220. Fitzgerald LA, Painter CW, Hibbitts TJ, et al. : Final report on the range and distribution of Sceloporus arenicolus in Texas: Results of surveys conducted 8-15 June 2011. Unpublished report. 2011. Publisher Full Text Malcom JW: Dunes Sagebrush Lizard: Oil and Gas Well Approvals and Voluntary Conservation Agreements. Open Science Framework. 2018. Data Source Malcom JW, Moskwik M: Effect of New Mexico conservation agreements for the dunes sagebrush lizard on oil and gas well approval rates. figshare. Figure. 2018. Publisher Full Text Malcom JW, Moskwik M: No effect of the Texas Conservation Plan on oil and gas well approval in dunes sagebrush lizard habitat in Texas. figshare. Figure. 2018. Publisher Full Text McCullagh P, Nelder JA: Generalized linear models. Chapman & Hall, CRC. 1999. Reference Source Ryberg WA, Hill MT, Painter CW, et al. : Linking irreplaceable landforms in a self-organizing landscape to sensitivity of population vital rates for an ecological specialist. Conserv Biol. 2015; 29 (3): 888–898. PubMed Abstract | Publisher Full Text Shaffer M, Stein B: Safeguarding our Precious Heritage. In Stein, B.A., L.S. Kutner, and J.S. Adams, editors. Precious Heritage: The Status of Biodiversity in the United States. Oxford University Press. New York. 2000; 301–322. Reference Source Sias DS, Snell HL: The sand dune lizard Sceloporus arenicolus and oil and gas in southwestern New Mexico. Final report of field studies 1995-1997. Submitted to the New Mexico Department of Game and Fish. Department of Biology, University of New Mexico, Albuquerque, New Mexico. 1998. Reference Source Texas Comptroller of Public Accounts: Texas Plan for the dunes sagebrush lizard ( Sceloporus arenicolus ). Developed in consultation with the U.S. Fish and Wildlife Service, U.S. Department of Agriculture – Natural Resources Conservation Service, Texas A&M University, Texas Endangered Species Task Force, Texas Department of Agriculture, Texas Parks and Wildlife, Texas Railroad Commission, University of Texas Systems University lands, Texas Farm Bureau, Texas Oil and gas Association, Texas Royalty Council, Texas and Southwestern Cattle Raisers Association, Texas Wildlife Association, and Texas Association of Business. Texas Comptroller of Public Accounts, Austin, Texas. 2011; 150. Reference Source U.S. Fish and Wildlife Service: Intra-Service Section 7 Conference Opinion on the proposed Issuance of a Section 10(a)(1)(A) Enhancement of Survival Permit for Lesser Prairie-Chicken (LPC) and Sand Dune Lizard (SDL) to The Center of Excellence for Hazardous Materials Management (CEHMM) and proposed Implementation of the BLM Candidate Conservation Agreement. New Mexico Ecological Services Office, Albuquerque, New Mexico. 2008; 25. Reference Source U.S. Fish and Wildlife Service: Endangered and threatened wildlife and plants; endangered status for dunes sagebrush lizard. Fed Regist. 2010; 75 : 77801–77817. Reference Source U.S. Fish and Wildlife Service: Endangered and threatened wildlife and plants; withdrawal of the proposed rule to list dunes sagebrush lizard. Fed Regist. 2012; 77 : 36872–36899. Reference Source U.S. Fish and Wildlife Service, U.S. Bureau of Land Management, and Center for Excellence for Hazardous Materials Management: Candidate conservation agreement for the lesser prairie-chicken ( Tympanuchus pallidicinctus ) and sand dune lizard ( Sceloporus arenicolus ) in New Mexico. 2008. Reference Source U.S. Fish and Wildlife Service and Center for Excellence for Hazardous Materials Management: Candidate conservation agreement with assurances for the lesser prairie-chicken ( Tympanuchus pallidicinctus ) and sand dune lizard ( Sceloporus arenicolus ) in New Mexico. 2008. Reference Source Comments on this article Comments (0) Version 1 VERSION 1 PUBLISHED 21 Jun 2018 ADD YOUR COMMENT Comment Author details Author details 1 Center for Conservation Innovation, Defenders of Wildlife, Washington, DC, 20036, USA Jacob Malcom Roles: Conceptualization, Data Curation, Formal Analysis, Investigation, Methodology, Project Administration, Resources, Software, Supervision, Validation, Visualization, Writing – Original Draft Preparation, Writing – Review & Editing Matthew Moskwik Roles: Conceptualization, Data Curation, Formal Analysis, Methodology, Resources, Software, Validation, Writing – Original Draft Preparation, Writing – Review & Editing Competing interests No competing interests were disclosed. Grant information The author(s) declared that no grants were involved in supporting this work. Article Versions (1) version 1 Published: 21 Jun 2018, 7:824 https://doi.org/10.12688/f1000research.15346.1 Copyright © 2018 Malcom J and Moskwik M. This is an open access article distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Download Export To Sciwheel Bibtex EndNote ProCite Ref. Manager (RIS) Sente metrics Views Downloads F1000Research - - PubMed Central info_outline Data from PMC are received and updated monthly. - - Citations open_in_new 0 open_in_new 0 open_in_new SEE MORE DETAILS CITE how to cite this article Malcom J and Moskwik M. The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.12688/f1000research.15346.1 ) NOTE: If applicable, it is important to ensure the information in square brackets after the title is included in all citations of this article. COPY CITATION DETAILS track receive updates on this article Track an article to receive email alerts on any updates to this article. TRACK THIS ARTICLE Share Open Peer Review Current Reviewer Status: ? Key to Reviewer Statuses VIEW HIDE Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions Version 1 VERSION 1 PUBLISHED 21 Jun 2018 Views 0 Cite How to cite this report: Smith PN . Reviewer Report For: The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.5256/f1000research.16721.r40292 ) The direct URL for this report is: https://f1000research.com/articles/7-824/v1#referee-response-40292 NOTE: it is important to ensure the information in square brackets after the title is included in this citation. Close Copy Citation Details Reviewer Report 21 Jan 2019 Philip N. Smith , Department of Environmental Toxicology, Texas Tech University, Lubbock, TX, USA Not Approved VIEWS 0 https://doi.org/10.5256/f1000research.16721.r40292 Introduction The sentence beginning “After episodes in and out of candidate status,…”is nebulous and uninformative. What are the episodes that are alluded to? In order to provide necessary context, it would appear that those episodes should be described to ... Continue reading READ ALL Introduction The sentence beginning “After episodes in and out of candidate status,…”is nebulous and uninformative. What are the episodes that are alluded to? In order to provide necessary context, it would appear that those episodes should be described to some extent. Pertaining to the section describing the Texas CCA/As: a search of the referenced TCP document reveals no specific wording as it is characterized here. No specific language related to “ attempt to avoid habitat” is included in the referenced document. Why is the word “ attempt ” emphasized in italics? It is not verbatim from the reference. Clearly, there are differences in the NM and TX plans, but this passage characterizes the Texas document as intentionally or tacitly promoting disruptive oil and gas development. Another interpretation of the TCP would be that it allowed greater flexibility to enrollees as to conservation strategies. This section should be revised to more objectively and thoroughly present the differences between the TCP and NM CCA. Why isn’t the objective of the paper to evaluate actual protection of the DSL? That would seem to be a much more direct and appropriate test of the process and allow for comparison of each state’s effectiveness in carrying out the process. As written, outcomes of the predictions (results) appear to be solely affected by the CCA/As; as if no other factors drive oil and gas development approvals. Myriad other factors influence these outcomes, but none are listed here (and should be). This paper lacks acknowledgement and review of mitigating/confounding factors. Methods Data Identification Selection of DSL range and thus lands to be included in these analyses is critical. Justification for the selection procedure, or land masses included in analyses are not well documented in this manuscript. As for the Texas DSL range, the Hibbitts map is somewhat controversial and perhaps not well suited (in its entirety) for these analyses. Habitat designated as “low quality” likely does not and may have never supported viable populations of DSLs. Inclusion of those areas in these analyses is questionable and potentially confounding. What is the reference for the NM DSL range? It is difficult to determine if the authors are comparing apples and apples, or apples and oranges. Detailed maps and much stronger justification for inclusion of land in these analyses would be most helpful. Data Analysis This seems like an overly complicated way to evaluate some very simple questions. Why not simply use Chi -square analysis to determine application approval rate differences inside and out, before and after? For that matter, is the focus on approval rates or simply the numbers of new wells? The introduction speaks of approval rates, not numbers of new wells. Data presented only depict new wells, not applications that were approved or rejected. Results The authors switch back and forth between new well approvals and numbers of new wells. They are not the same. What about wells that were not approved? The figures indicate a reduction in number of wells in NM after implementation of the CCA, and no decrease in areas deemed “outside DSL range”. Clearly the delineation of inside versus outside seriously influences these models. The figure depicting new wells in Texas DLS habitat also show reductions in well development both inside and outside DSL ranges. Why is that? The slopes of these lines are not presented for evaluation. Also, the table of statistics is vague and confusing. What is the term “Year:in-habitat”? Is that an interaction term? Unclear as presented. With regard to the figure legends: there is insufficient documentation of the “strong avoidance requirements” in the NM plan as well as no substantiation of the “lacks strong avoidance requirements” claims about the TCP. As such, this manuscript appears, to some degree, to lack objectivity. Discussion These results indicate that (at best) oil and gas development has slowed in some areas in both states since about 2008. There is no definitive proof that the CCA/As were the cause. This is perhaps simply due to coincidence. These results could also demonstrate how comparing apples to oranges can lead one to whatever conclusion an author wishes to demonstrate. The objectivity and methods of this research are questionable. Is the work clearly and accurately presented and does it cite the current literature? Partly Is the study design appropriate and is the work technically sound? No Are sufficient details of methods and analysis provided to allow replication by others? No If applicable, is the statistical analysis and its interpretation appropriate? Partly Are all the source data underlying the results available to ensure full reproducibility? Partly Are the conclusions drawn adequately supported by the results? No Competing Interests: No competing interests were disclosed. Reviewer Expertise: Ecological risk assessment, toxicology, wildlife I confirm that I have read this submission and believe that I have an appropriate level of expertise to state that I do not consider it to be of an acceptable scientific standard, for reasons outlined above. Close READ LESS CITE CITE HOW TO CITE THIS REPORT Smith PN . Reviewer Report For: The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.5256/f1000research.16721.r40292 ) The direct URL for this report is: https://f1000research.com/articles/7-824/v1#referee-response-40292 NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article. COPY CITATION DETAILS Report a concern Respond or Comment COMMENT ON THIS REPORT Views 0 Cite How to cite this report: Snell HL. Reviewer Report For: The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.5256/f1000research.16721.r35353 ) The direct URL for this report is: https://f1000research.com/articles/7-824/v1#referee-response-35353 NOTE: it is important to ensure the information in square brackets after the title is included in this citation. Close Copy Citation Details Reviewer Report 02 Jul 2018 Howard L. Snell , Department of Biology , Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, USA Approved with Reservations VIEWS 0 https://doi.org/10.5256/f1000research.16721.r35353 Article provides a potential analysis of the efficacy of various types of agreements among parties to protect species that could have been listed as endangered by the US Fish & Wildlife Service. A comparison between the pattern of permits issued ... Continue reading READ ALL Article provides a potential analysis of the efficacy of various types of agreements among parties to protect species that could have been listed as endangered by the US Fish & Wildlife Service. A comparison between the pattern of permits issued by New Mexico or Texas within and outside habitat of the Dunes Sagebrush Lizard before and after the agreements were finalized appears to suggest that New Mexico's agreements have a greater effect that those of Texas. That conclusion may be supported, but additional analyses could clarify the actual situation. Basically, previous research has shown that the effects of oil and gas development on populations of the Dunes Sagebrush Lizard (DSL) vary with the density of wells and their associated infrastructure. However, the current analyses compare total numbers permits for wells and not the densities that would result from those wells if constructed. This may lead to some confusion. Both states permit considerably fewer wells within DSL habitat than outside - both before and after the agreements were finalized. However, without knowing the relative amounts of habitat it is hard to interpret the pattern. Texas appears to permit fewer wells after the agreements - both within and outside DSL habitat, while New Mexico appears to increase permitting outside of DSL habitat after the permits and reduce permitting within. Adjusting the permitting data for area could clarify if differences between the states' patterns exist and, perhaps more importantly, are the apparent differences likely to impact populations of the lizard. The use of explicit hypotheses and predictions is clear. However, it might appear directed to demonstrate less efficacy in Texas than in New Mexico due to the "one-tailed" nature of the directional predictions. Perhaps broadening the hypotheses and predictions into a "two-tailed" format could increase objectivity. Basically "The agreements of the two states differ. We tested whether or not those differences translate into lower or higher densities of wells in the future". Finally, if the permit data were adjusted to densities, it should be densities of existing wells and future permitted wells. That could then be compared to the threshold densities proposed by Sias & Snell 1998 1 . Is the work clearly and accurately presented and does it cite the current literature? Partly Is the study design appropriate and is the work technically sound? Partly Are sufficient details of methods and analysis provided to allow replication by others? Yes If applicable, is the statistical analysis and its interpretation appropriate? Partly Are all the source data underlying the results available to ensure full reproducibility? Yes Are the conclusions drawn adequately supported by the results? Partly References 1. Sias DS, Snell HL: The sand dune lizard Sceloporus arenicolus and oil and gas in southwestern New Mexico. Final report of field studies 1995-1997. New Mexico Department of Game and Fish. Department of Biology, University of New Mexico, Albuquerque, New Mexico . 1998. Competing Interests: I and my colleagues performed early research that we and others felt demonstrated negative impacts of oil & gas development on populations of the Dunes Sagebrush Lizard. I wrote what I felt was a strong statement supporting the listing of the Dunes Sagebrush Lizard as endangered back when listing was being considered. I haven't seen anything in the years since that would cause me to alter that statement or my support for listing this species as endangered. I have no doubt that it is actually endangered of becoming extinct due to human activities and I have no doubt that oil & gas development are the most damaging human activities for the lizard currently occurring. Reviewer Expertise: Conservation biology, herpetology, functional & evolutionary ecology. I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard, however I have significant reservations, as outlined above. Close READ LESS CITE CITE HOW TO CITE THIS REPORT Snell HL. Reviewer Report For: The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.5256/f1000research.16721.r35353 ) The direct URL for this report is: https://f1000research.com/articles/7-824/v1#referee-response-35353 NOTE: it is important to ensure the information in square brackets after the title is included in all citations of this article. COPY CITATION DETAILS Report a concern Respond or Comment COMMENT ON THIS REPORT Comments on this article Comments (0) Version 1 VERSION 1 PUBLISHED 21 Jun 2018 ADD YOUR COMMENT Comment keyboard_arrow_left keyboard_arrow_right Open Peer Review Reviewer Status info_outline Alongside their report, reviewers assign a status to the article: Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions Reviewer Reports Invited Reviewers 1 2 Version 1 21 Jun 18 read read Howard L. Snell , University of New Mexico, Albuquerque, USA Philip N. Smith , Texas Tech University, Lubbock, USA Comments on this article All Comments (0) Add a comment Sign up for content alerts Sign Up You are now signed up to receive this alert Browse by related subjects keyboard_arrow_left Back to all reports Reviewer Report 0 Views copyright © 2019 Smith P. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 21 Jan 2019 | for Version 1 Philip N. Smith , Department of Environmental Toxicology, Texas Tech University, Lubbock, TX, USA 0 Views copyright © 2019 Smith P. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. format_quote Cite this report speaker_notes Responses (0) Not Approved info_outline Alongside their report, reviewers assign a status to the article: Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions Introduction The sentence beginning “After episodes in and out of candidate status,…”is nebulous and uninformative. What are the episodes that are alluded to? In order to provide necessary context, it would appear that those episodes should be described to some extent. Pertaining to the section describing the Texas CCA/As: a search of the referenced TCP document reveals no specific wording as it is characterized here. No specific language related to “ attempt to avoid habitat” is included in the referenced document. Why is the word “ attempt ” emphasized in italics? It is not verbatim from the reference. Clearly, there are differences in the NM and TX plans, but this passage characterizes the Texas document as intentionally or tacitly promoting disruptive oil and gas development. Another interpretation of the TCP would be that it allowed greater flexibility to enrollees as to conservation strategies. This section should be revised to more objectively and thoroughly present the differences between the TCP and NM CCA. Why isn’t the objective of the paper to evaluate actual protection of the DSL? That would seem to be a much more direct and appropriate test of the process and allow for comparison of each state’s effectiveness in carrying out the process. As written, outcomes of the predictions (results) appear to be solely affected by the CCA/As; as if no other factors drive oil and gas development approvals. Myriad other factors influence these outcomes, but none are listed here (and should be). This paper lacks acknowledgement and review of mitigating/confounding factors. Methods Data Identification Selection of DSL range and thus lands to be included in these analyses is critical. Justification for the selection procedure, or land masses included in analyses are not well documented in this manuscript. As for the Texas DSL range, the Hibbitts map is somewhat controversial and perhaps not well suited (in its entirety) for these analyses. Habitat designated as “low quality” likely does not and may have never supported viable populations of DSLs. Inclusion of those areas in these analyses is questionable and potentially confounding. What is the reference for the NM DSL range? It is difficult to determine if the authors are comparing apples and apples, or apples and oranges. Detailed maps and much stronger justification for inclusion of land in these analyses would be most helpful. Data Analysis This seems like an overly complicated way to evaluate some very simple questions. Why not simply use Chi -square analysis to determine application approval rate differences inside and out, before and after? For that matter, is the focus on approval rates or simply the numbers of new wells? The introduction speaks of approval rates, not numbers of new wells. Data presented only depict new wells, not applications that were approved or rejected. Results The authors switch back and forth between new well approvals and numbers of new wells. They are not the same. What about wells that were not approved? The figures indicate a reduction in number of wells in NM after implementation of the CCA, and no decrease in areas deemed “outside DSL range”. Clearly the delineation of inside versus outside seriously influences these models. The figure depicting new wells in Texas DLS habitat also show reductions in well development both inside and outside DSL ranges. Why is that? The slopes of these lines are not presented for evaluation. Also, the table of statistics is vague and confusing. What is the term “Year:in-habitat”? Is that an interaction term? Unclear as presented. With regard to the figure legends: there is insufficient documentation of the “strong avoidance requirements” in the NM plan as well as no substantiation of the “lacks strong avoidance requirements” claims about the TCP. As such, this manuscript appears, to some degree, to lack objectivity. Discussion These results indicate that (at best) oil and gas development has slowed in some areas in both states since about 2008. There is no definitive proof that the CCA/As were the cause. This is perhaps simply due to coincidence. These results could also demonstrate how comparing apples to oranges can lead one to whatever conclusion an author wishes to demonstrate. The objectivity and methods of this research are questionable. Is the work clearly and accurately presented and does it cite the current literature? Partly Is the study design appropriate and is the work technically sound? No Are sufficient details of methods and analysis provided to allow replication by others? No If applicable, is the statistical analysis and its interpretation appropriate? Partly Are all the source data underlying the results available to ensure full reproducibility? Partly Are the conclusions drawn adequately supported by the results? No Competing Interests No competing interests were disclosed. Reviewer Expertise Ecological risk assessment, toxicology, wildlife I confirm that I have read this submission and believe that I have an appropriate level of expertise to state that I do not consider it to be of an acceptable scientific standard, for reasons outlined above. reply Respond to this report Responses (0) Smith PN . Peer Review Report For: The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.5256/f1000research.16721.r40292) NOTE: it is important to ensure the information in square brackets after the title is included in this citation. The direct URL for this report is: https://f1000research.com/articles/7-824/v1#referee-response-40292 keyboard_arrow_left Back to all reports Reviewer Report 0 Views copyright © 2018 Snell H. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. 02 Jul 2018 | for Version 1 Howard L. Snell , Department of Biology , Museum of Southwestern Biology, University of New Mexico, Albuquerque, NM, USA 0 Views copyright © 2018 Snell H. This is an open access peer review report distributed under the terms of the Creative Commons Attribution License , which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. format_quote Cite this report speaker_notes Responses (0) Approved With Reservations info_outline Alongside their report, reviewers assign a status to the article: Approved The paper is scientifically sound in its current form and only minor, if any, improvements are suggested Approved with reservations A number of small changes, sometimes more significant revisions are required to address specific details and improve the papers academic merit. Not approved Fundamental flaws in the paper seriously undermine the findings and conclusions Article provides a potential analysis of the efficacy of various types of agreements among parties to protect species that could have been listed as endangered by the US Fish & Wildlife Service. A comparison between the pattern of permits issued by New Mexico or Texas within and outside habitat of the Dunes Sagebrush Lizard before and after the agreements were finalized appears to suggest that New Mexico's agreements have a greater effect that those of Texas. That conclusion may be supported, but additional analyses could clarify the actual situation. Basically, previous research has shown that the effects of oil and gas development on populations of the Dunes Sagebrush Lizard (DSL) vary with the density of wells and their associated infrastructure. However, the current analyses compare total numbers permits for wells and not the densities that would result from those wells if constructed. This may lead to some confusion. Both states permit considerably fewer wells within DSL habitat than outside - both before and after the agreements were finalized. However, without knowing the relative amounts of habitat it is hard to interpret the pattern. Texas appears to permit fewer wells after the agreements - both within and outside DSL habitat, while New Mexico appears to increase permitting outside of DSL habitat after the permits and reduce permitting within. Adjusting the permitting data for area could clarify if differences between the states' patterns exist and, perhaps more importantly, are the apparent differences likely to impact populations of the lizard. The use of explicit hypotheses and predictions is clear. However, it might appear directed to demonstrate less efficacy in Texas than in New Mexico due to the "one-tailed" nature of the directional predictions. Perhaps broadening the hypotheses and predictions into a "two-tailed" format could increase objectivity. Basically "The agreements of the two states differ. We tested whether or not those differences translate into lower or higher densities of wells in the future". Finally, if the permit data were adjusted to densities, it should be densities of existing wells and future permitted wells. That could then be compared to the threshold densities proposed by Sias & Snell 1998 1 . Is the work clearly and accurately presented and does it cite the current literature? Partly Is the study design appropriate and is the work technically sound? Partly Are sufficient details of methods and analysis provided to allow replication by others? Yes If applicable, is the statistical analysis and its interpretation appropriate? Partly Are all the source data underlying the results available to ensure full reproducibility? Yes Are the conclusions drawn adequately supported by the results? Partly References 1. Sias DS, Snell HL: The sand dune lizard Sceloporus arenicolus and oil and gas in southwestern New Mexico. Final report of field studies 1995-1997. New Mexico Department of Game and Fish. Department of Biology, University of New Mexico, Albuquerque, New Mexico . 1998. Competing Interests I and my colleagues performed early research that we and others felt demonstrated negative impacts of oil & gas development on populations of the Dunes Sagebrush Lizard. I wrote what I felt was a strong statement supporting the listing of the Dunes Sagebrush Lizard as endangered back when listing was being considered. I haven't seen anything in the years since that would cause me to alter that statement or my support for listing this species as endangered. I have no doubt that it is actually endangered of becoming extinct due to human activities and I have no doubt that oil & gas development are the most damaging human activities for the lizard currently occurring. Reviewer Expertise Conservation biology, herpetology, functional & evolutionary ecology. I confirm that I have read this submission and believe that I have an appropriate level of expertise to confirm that it is of an acceptable scientific standard, however I have significant reservations, as outlined above. reply Respond to this report Responses (0) Snell HL. Peer Review Report For: The Texas Conservation Plan has not slowed oil and gas well development in dunes sagebrush lizard habitat [version 1; peer review: 1 approved with reservations, 1 not approved] . F1000Research 2018, 7 :824 ( https://doi.org/10.5256/f1000research.16721.r35353) NOTE: it is important to ensure the information in square brackets after the title is included in this citation. 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