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Importance of bird traits for seed dispersal patterns of co-fruiting trees in a patchy forest

Integrative Zoology 2019年第5期14卷 470-478页

作者： Ning LI Zheng WANG Shuai ZHANG Chuan YAN Xinhai LI Changhu LU Institute of Applied Ecology Nanjing Xiaozhuang UniversityNanjingJiangsuChina College of Biology and Environmental Science Nanjing Forestry UniversityNanjingChina Institute of Zoology Chinese Academy of SciencesBeijingChina

Habitat fragmentation is globally one of the most important drivers of change in *** dispersal by birds is crucial for tree regeneration in remnant patchy forests,yet how bird traits affect seed dispersal pattern is still poorly *** studied the extent to which bird traits affect seed-removal networks and whether these traits affect seed deposition and seedling recruitment for 3 co-fruiting tree species(Taxus chinensis,Cinnamomum bodinieri and Machilus thunbergii)in a patchy forest.A total of 17,18 and 10 bird species were recorded foraging for seeds of ***,*** and ***,*** of bird visitation increased with tail length,wing length and body ***,bird body length,bill length,body weight and wing length were important in the strength of the seed removal *** foraging,6 bird species exhibited different patterns of microhabitat utilization and their perching frequency increased with bird weight and tarsus *** a consequence,frequency of habitat use,bird length and tarsus length were important in determining the number of deposited *** seedling recruitment,seedling number increased with bird tarsus length and weight,but decreased with wing ***,our results showed that various bird traits not only affected seed removal,but also influenced the subsequent processes of seed deposition and seedling distribution in a patchy *** results thus highlight the importance of large-bodied birds for plant recruitment and point out the need to prioritize the protection and conservation of these birds in remnant patchy forests.

关键词： bird traits patchy forest seed deposition seed dispersal seed removal

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Importance of plant and bird traits on the seed removal pattern of endangered trees across different forest patches in southeast China

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Ecological Processes 2020年第1期9卷 499-504页

作者： Ning Li Shuai Zhang Yuan-Hao Ren Zheng Wang Institute of Applied Ecology Nanjing Xiaozhuang UniversityNanjing 211171JiangsuChina College of Biology and Environmental Science Nanjing Forestry UniversityNanjing 210037China

Seed removal by birds has been recognized as an important part of seed dispersal process in patchy forest areas;however,few studies have focused on the contribution of both plant and bird traits to seed *** this study,field data of seed removal for Taxus chinensis was combined with the data of bird and plant traits for *** relevant traits of plants and birds that influenced ***-bird interaction were identified in a remnant patchy forest in yew ecological garden,Fujian Province,southeast *** bird species were found to forage and remove the seeds of *** number of bird species varied in different forest patches;however,their contribution to seed removal showed no significant *** bird and plant traits were found to affect seed *** seed removal rate was positively affected by bird traits,such as foraging frequency and wing length,but decreased with body *** plant traits,such as number of fruits,tree height,canopy density,and crown width,which are related to safe shelter and food resource conditions,increased the seed removal *** results underline the functional importance of bird and plant traits in the seed removal from endangered trees in patchy ***,future conservation strategies should prioritize and recognize the role of both plant and bird traits in seed dispersal in remnant patchy forests.

关键词： Seed removal Bird trait Plant trait Hypsipetes leucocephalus patchy forest

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