Size-dependent acorn production traits in Quercus serrata and three other deciduous oak species

Size-dependent acorn production traits in Quercus serrata and three other deciduous oak species | Authorea try { document.documentElement.classList.add('js'); } catch (e) { } var _gaq = _gaq || []; _gaq.push(['_setAccount', 'G-8VDV14Y67G']); _gaq.push(['_trackPageview']); (function() { var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true; ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s); })(); Skip to main content Preprints Collections Wiley Open Research IET Open Research Ecological Society of Japan All Collections About About Authorea FAQs Contact Us Quick Search anywhere Search for preprint articles, keywords, etc. Search Search ADVANCED SEARCH SCROLL Ecological Research This is a preprint and has not been peer reviewed. Data may be preliminary. 12 May 2026 V1 Latest version Share on Size-dependent acorn production traits in Quercus serrata and three other deciduous oak species Authors : Hiroki Itô 0000-0003-2243-1007 [email protected] , Atsuko Hirabayashi [email protected] , and Katsuhiro Osumi [email protected] Authors Info & Affiliations https://doi.org/10.22541/authorea.15003091/v1 24 views 6 downloads Contents Abstract Supplementary Material Information & Authors Metrics & Citations View Options References Figures Tables Media Share Abstract Acorn production was investigated in four deciduous oak species of the subgenus Quercus in Japan: Q. serrata, Q. aliena, Q. acutissima, and Q. variabilis. From 315 trees, we recorded the abundance of female inflorescences and counted the number of mature acorns from 2004 to 2006. The abundance of female inflorescences did not always translate into high acorn yield. A zero inflated negative binomial model was fitted to acorn counts, and the relationship between acorn production and trunk size was estimated for each species. The probability that each trunk could produce mature acorns and, conditional on production, the mean number of mature acorns were estimated in relation to trunk size for all four species separately. Q. serrata and Q. aliena were predicted to be able to produce mature acorns even when trunk hights were as small as breast height (1.3 m), whereas Q. acutissima and Q. variabilis required larger trunk sizes. The number of mature acorns produced annually fluctuated, and the greatest fluctuation was observed in Q. serrata. In poor production years, Q. serrata trees with larger diameter at breast height were expected to produce fewer mature acorns, whereas those with smaller trunks were expected to maintain a small but relatively stable mature acorn output combined with precocity. These extreme traits of precocity and steady acorn production at smaller size may confer advantages to Q. serrata under environments with frequent disturbances. Supplementary Material File (table s1.xlsx) table s1 Download 14.69 KB Information & Authors Information Version history V1 Version 1 12 May 2026 Collection Ecological Research Keywords acorn production masting oak precocity zero-inflated negative binomial model Wildlife management Authors Affiliations Hiroki Itô 0000-0003-2243-1007 [email protected] Forestry and Forest Products Research Institute Hokkaido Research Center, Sapporo, Japan, 062-8516 View all articles by this author Atsuko Hirabayashi [email protected] Forestry and Forest Products Research Institute Hokkaido Research Center, Sapporo, Japan, 062-8516 View all articles by this author Katsuhiro Osumi [email protected] Forestry and Forest Products Research Institute Hokkaido Research Center, Sapporo, Japan, 062-8516 View all articles by this author Metrics & Citations Metrics Article Usage 24 views 6 downloads .FvxKWukQNSOunydq8rnd { width: 100px; } Citations Download citation Hiroki Itô, Atsuko Hirabayashi, Katsuhiro Osumi. Size-dependent acorn production traits in Quercus serrata and three other deciduous oak species. Authorea . 12 May 2026. DOI: https://doi.org/10.22541/authorea.15003091/v1 If you have the appropriate software installed, you can download article citation data to the citation manager of your choice. Simply select your manager software from the list below and click Download. For more information or tips please see 'Downloading to a citation manager' in the Help menu . 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