A 40-year evaluation of drivers of African rainforest change  

作　　者：Colin A.Chapman Carmen Galan-Acedo Jan F.Gogarten Rong Hou Michael J.Lawes Patrick A.Omeja Dipto Sarkar Anna Sugiyama Urs Kalbitzer 

机构地区：[1]Department of Anthropology,Center for the Advanced Study of Human Paleobiology,The George Washington University,20037 Washington,DC,USA [2]Wilson Center,1300 Pennsylvania Avenue NW,20004 Washington,DC,USA [3]School of Life Sciences,University of KwaZulu-Natal,Scottsville,Pietermaritzburg,South Africa [4]Shaanxi Key Laboratory for Animal Conservation,Northwest University,Xi’an,China [5]Escuela Nacional de Estudios Superiores,Universidad Nacional Autónoma de México,Morelia,Michoacán,Mexico [6]Viral Evolution and Epidemiology of Highly Pathogenic Microorganisms,Robert Koch Institute,Seestraße 10,13353 Berlin,Germany [7]Institute of Biodiversity and Environmental Conservation(IBEC),Universiti Malaysia Sarawak,94300 Kota Samarahan,Sarawak,Malaysia [8]Makerere University Biological Field Station,Fort Portal,Uganda [9]Department of Geography and Environmental Studies,Carleton University,Ottawa,Canada [10]School of Life Sciences,Harold L.Lyon Arboretum,University of Hawai‘i at Mānoa,3190 Maile Way,96822 Honolulu,HI,USA [11]Department for the Ecology of Animal Societies,Max Planck Institute of Animal Behavior,Radolfzell,Germany [12]Department of Biology,University of Konstanz,Konstanz,Germany

出　　处：《Forest Ecosystems》2021年第4期887-902,共16页森林生态系统（英文版）

基　　金：the IDRC grant“Climate change and increasing human-wildlife conflict”,National Science Foundation of China(No.31,870,396);supported by the Deutsche Forschungsgemeinschaft(DFG)Research Group“Sociality and Health in Primates”(FOR2136);CG-A received a postdoctoral scholarship from DGAPA-UNAM.

摘　　要：Background:Tropical forests are repositories of much of the world’s biodiversity and are critical for mitigation of climate change.Yet,the drivers of forest dynamics are poorly understood.This is in large part due to the lack of long-term data on forest change and changes in drivers.Methodology:We quantify changes in tree abundance,diversity,and stand structure along transects first enumerated in 1978 and resampled 2019 in Kibale National Park,Uganda.We tested five predictions.First,based on the purported role of seed dispersal and herbivory and our quantification of changes in the abundance of frugivores and herbivores,we tested two predictions of how faunal change could have influenced forest composition.Second,based on an evaluation of life history strategies,we tested two predictions concerning how the forest could have changed following disturbance that happened prior to written history.Finally,based on a 50-year climate record,we evaluate the possible influence of climate change on forest dynamics.Results:More trees were present on the assessed transects in 2019(508)than in 1978(436),species richness remained similar,but diversity declined as the number of dominant species increased.Rainfall increased by only 3 mm over the 50 years but this had not significant effect on forest changes measured here.Annual average monthly maximum temperature increased significantly by 1.05℃ over 50 years.The abundance of frugivorous and folivorous primates and elephants increased over the 50 years of monitoring.Neither the prediction that an increase in abundance of seed dispersing frugivores increases the abundance of their preferred fruiting tree species,nor that as an increase in folivore abundance causes a decline in their preferred species were supported.As predicted,light-demanding species decreased in abundance while shade-tolerant species increased as expected from Kibale being disturbed prior to historical records.Finally,while temperature increased over the 50 years,we found no means to predict a priori how ind

关 键 词：Climate change ELEPHANTS SUCCESSION PRIMATES Disturbance Forest regeneration 

分 类 号：S718.5[农业科学—林学]