Seed size affects rodent–seed interaction consistently across plant species but not within species: evidence from a seed tracking experiment of 41 tree species

Integrative Zoology - Tập 17 Số 5 - Trang 930-943 - 2022
Si CHEN1,2,3, Li Feng3, Bo Wang4,3
1Ailaoshan Station of Subtropical Forest Ecosystem Studies, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Jingdong, Yunnan Province, China
2Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Mengla, Yunnan Province, China
3School of Resources and Environmental Engineering, Anhui University, Hefei, Anhui Province, China
4Anhui Province Key Laboratory of Wetland Ecosystem Protection and Restoration (Anhui University), Hefei, Anhui Province, China

Tóm tắt

AbstractScatter‐hoarding rodents play a crucial role in seed survival and seed dispersal. As one of the most important seed traits, seed size and its effect on rodent–seed interaction attract lots of attention. Current studies usually target one or a few species and show inconsistent patterns; however, few experiments include a large number of species although many plant species usually coexist in natural forest and overlap in fruiting time. Here, we tracked the dispersal and predation of 26 100 seeds belonging to 41 tree species in a subtropical forest for 2 years. Most species showed no relationships between seed size and rodent foraging preference, while the remaining species displayed diverse of patterns: monotonic decrease and increase trends, and hump‐shaped and U‐shaped patterns, indicating that a one‐off study with a few species might give misleading information. However, the seed size effect across species was consistent in both years, indicating that including a large number of species that hold a sufficient range of seed size may avoid the aforementioned bias. Interestingly, seed size effect differed among rodent foraging processes: a negative effect on seed harvest, a hump‐shaped effect on seed removal and removal distance, while a positive effect on overwinter survival of cached seeds, indicating that rodents may make trade‐offs between large and small seeds both among foraging processes and within a single process, thus lead to a parabolic relationship between seed size and seed dispersal success, that is medium‐sized seeds were more likely to be removed and cached, and transported with a further distance.

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Tài liệu tham khảo

10.2307/3546373

10.1002/ecy.1555

10.1111/1749-4877.12273

10.1111/ele.13744

10.1111/ele.13499

10.1016/j.foreco.2021.119566

10.1111/ele.12452

10.1111/1442-1984.12051

10.1111/ele.12000

10.1890/03-4042

10.1093/beheco/arr205

10.1046/j.1365-2435.1998.00239.x

10.1111/1749-4877.12046

10.1111/j.1654-1103.2011.01344.x

10.1111/brv.12240

10.1890/02-0662

10.1016/j.anbehav.2008.03.017

10.1111/1365-2435.12091

10.1007/BF00379529

10.1007/s00265-014-1731-x

10.1111/ecog.05385

10.1111/j.1365-2745.2011.01867.x

10.1034/j.1600-0706.2003.11973.x

10.1098/rstb.2009.0205

10.1111/1749-4877.12421

10.1007/s00265-020-02900-6

10.1890/08-2188.1

10.1007/s00442-016-3793-0

10.1111/oik.04867

10.1007/s11258-012-0091-8

Wang B, 2007, Seed predation of Apodemus latronum on 18 plant species in Northwest, Zoological Research, 28, 389

10.1371/journal.pone.0111389

10.1016/j.beproc.2015.01.012

10.1093/cz/zoz064

10.1111/j.1600-0706.2012.20823.x

10.1007/s10342-016-0983-6

10.1007/s11258-013-0183-0

10.1016/j.foreco.2004.04.001

10.1016/j.foreco.2005.10.054

10.1016/j.foreco.2005.10.020

10.1111/1365-2745.12113

10.1016/j.actao.2005.04.006

10.1111/1749-4877.12543

10.1017/S0266467420000127

10.1111/ele.13405

10.1111/1749-4877.12475

Zhang Z, 2001, Effect of rodents on seed dispersal and survival of wild apricot (Prunus armeniaca), Acta Ecologica Sinica, 21, 839

10.1007/s11258-016-0566-0

10.1111/1749-4877.12487

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Integrative Zoology

Tập 17 Số 5

930-943

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