Forest conversion to oil palm compresses food chain length in tropical streams.
Forest conversion to oil palm compresses food chain length in tropical streams.
复制标题
森林转变为油棕压缩了热带溪流的食物链长度。
DOI:
10.1002/ecy.3199
复制
发表时间:
2021
期刊:
影响因子:
4.8
通讯作者:
Wilkinson CL
中科院分区:
文献类型:
--
作者:
Wilkinson CL
In Southeast Asia, biodiversity‐rich forests are being extensively logged and converted to oil palm monocultures. Although the impacts of these changes on biodiversity are largely well documented, we know addition to samples we collected in 201 little about how these large‐scale impacts affect freshwater trophic ecology. We used stable isotope analyses (SIA) to determine the impacts of land‐use changes on the relative contribution of allochthonous and autochthonous basal resources in 19 stream food webs. We also applied compound‐specific SIA and bulk‐SIA to determine the trophic position of fish apex predators and meso‐predators (invertivores and omnivores). There was no difference in the contribution of autochthonous resources in either consumer group (70–82%) among streams with different land‐use type. There was no change in trophic position for meso‐predators, but trophic position decreased significantly for apex predators in oil palm plantation streams compared to forest streams. This change in maximum food chain length was due to turnover in identity of the apex predator among land‐use types. Disruption of aquatic trophic ecology, through reduction in food chain length and shift in basal resources, may cause significant changes in biodiversity as well as ecosystem functions and services. Understanding this change can help develop more focused priorities for mediating the negative impacts of human activities on freshwater ecosystems.
登录
查看更多内容
DOI:
--
发表时间:
2014
期刊:
影响因子:
--
作者:
E. Mercer;T. Mercer;A. Sayok
通讯作者:
A. Sayok
DOI:
--
发表时间:
2019
影响因子:
11.1
作者:
M. Magioli;M. Moreira;R. C. B. Fonseca;M. Ribeiro;M. G. Rodrigues;K. Ferraz
通讯作者:
K. Ferraz
DOI:
--
发表时间:
2018
期刊:
影响因子:
--
作者:
J. H. Liew;T. Jardine;R. Lim;J. Kwik;H. Tan;Z. Y. Kho;D. Yeo
通讯作者:
D. Yeo
影响因子:
6.3
作者:
X. Giam;R. Hadiaty;H. Tan;L. Parenti;D. Wowor;Sopian Sauri;K. Chong;D. Yeo;D. Wilcove
通讯作者:
D. Wilcove
DOI:
--
发表时间:
2015
期刊:
影响因子:
--
作者:
二瓶直登;田野井慶太朗;中西友子;二瓶直登;二瓶直登;二瓶直登;二瓶直登
通讯作者:
二瓶直登