دورية أكاديمية
أعرض في EDS

Multiple intrinsic and extrinsic drivers influence the quantity and quality components of seed dispersal effectiveness in the rare shrub Lindera subcoriacea.

التفاصيل البيبلوغرافية
العنوان: Multiple intrinsic and extrinsic drivers influence the quantity and quality components of seed dispersal effectiveness in the rare shrub Lindera subcoriacea.
المؤلفون: Hohmann MG; US Army Corps of Engineers, Engineer Research and Development Center, Champaign, Illinois, United States of America., Wall WA; US Army Corps of Engineers, Engineer Research and Development Center, Champaign, Illinois, United States of America., Just MG; US Army Corps of Engineers, Engineer Research and Development Center, Champaign, Illinois, United States of America., Huskins SD; Endangered Species Branch, Fort Bragg, North Carolina, United States of America.
المصدر: PloS one [PLoS One] 2023 Mar 31; Vol. 18 (3), pp. e0283810. Date of Electronic Publication: 2023 Mar 31 (Print Publication: 2023).
نوع المنشور: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.
اللغة: English
بيانات الدورية: Publisher: Public Library of Science Country of Publication: United States NLM ID: 101285081 Publication Model: eCollection Cited Medium: Internet ISSN: 1932-6203 (Electronic) Linking ISSN: 19326203 NLM ISO Abbreviation: PLoS One Subsets: MEDLINE
أسماء مطبوعة: Original Publication: San Francisco, CA : Public Library of Science
مواضيع طبية MeSH: Seed Dispersal* , Lindera* , Passeriformes*, Animals ; Fruit ; Seeds ; Rodentia ; Feeding Behavior
مستخلص: Information about seed dispersal effectiveness (SDE) for plant species of conservation concern is rarely available to inform management strategies and actions. For Lindera subcoriacea (bog spicebush, Lauraceae), a rare endemic dioecious shrub of the southeastern United States, we examined the influence of two intrinsic and five extrinsic drivers on the number and proportion of seeds either dispersed, or predated pre- and post-dispersal. The number of seeds dispersed characterizes the quantitative component of SDE, while pre- and post-dispersal seed predation can affect the qualitative component of SDE. Using fruit counts, seed traps, and seed removal depots over multiple years, we estimated that approximately 28% of L. subcoriacea seeds are lost to pre-dispersal predation, 69% of seeds are dispersed, 3% of seeds fail to disperse, and 65% of dispersed seeds are predated post-dispersal. We observed substantial variation in these three processes among individuals. We also found that both intrinsic (plant height, crop size) and extrinsic (understory cover, time since last fire, conspecific fruiting neighborhood, substrate) drivers differentially influenced the three processes. We identified four generalist, seasonally frugivorous, avian visitors at fruiting individuals that likely act as variably effective dispersers, while the Northern Cardinal (Cardinalis cardinalis L.) is a seed predator. Rodent granivores were important pre- and post-dispersal seed predators. The magnitude of our pre-dispersal and post-dispersal seed predation estimates suggest that, given the low fecundity of L. subcoriacea, conservation strategies should emphasize facilitating dispersal and reducing the effects of seed predation.
Competing Interests: The authors have declared that no competing interests exist.
(Copyright: This is an open access article, free of all copyright, and may be freely reproduced, distributed, transmitted, modified, built upon, or otherwise used by anyone for any lawful purpose. The work is made available under the Creative Commons CC0 public domain dedication.)
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تواريخ الأحداث: Date Created: 20230331 Date Completed: 20230404 Latest Revision: 20230419
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC10065295
DOI: 10.1371/journal.pone.0283810
PMID: 37000816
قاعدة البيانات: MEDLINE
الوصف
تدمد:1932-6203
DOI:10.1371/journal.pone.0283810