NDLI: The response of Cladocerans to recent environmental forcing in an Alpine Lake on the SE Tibetan Plateau

Content Provider	Springer Nature Link
Author	Kong, Lingyang Yang, Xiangdong Kattel, Giri Anderson, N. J. Hu, Zhujun
Copyright Year	2016
Abstract	Global environmental change has affected aquatic ecosystems of the southeast Tibetan Plateau during the past 200 years, altering the composition and biomass of primary producers (e.g. algae). However, the response of primary consumers (e.g. cladocerans) to this recent environmental forcing is not well documented. Samples of cladoceran remains from sediment traps (1-year deployment), surface sediments covering a range of water depths and a short 22.5-cm sediment core were analysed in a small, remote alpine lake (Moon Lake) in Sichuan Province (SW China). Littoral forms, notably Chydorus sphaericus and Acroperus harpae, together with Daphnia pulex dominated the cladoceran community. Remains of these cladocerans were well represented in the sediment core assemblages as indicated by their relative abundance in the surface sample. There was a marked increase in the abundance of D. pulex and total cladoceran fluxes in the sediment core from ca. 1880 AD, coinciding with the changes in diatom assemblages and pigments. Analysis of the multi-proxy data (cladocerans, diatom, pigment, total organic carbon, C/N ratio, air temperature and atmospheric NO3 − records) suggests that both direct and indirect climatic forcing, coupled with enhanced nutrient supply (e.g. NO3 − deposition) effects on primary producers have changed cladoceran community dynamics in Moon Lake over the last ~200 years.
Starting Page	171
Ending Page	185
Page Count	15
File Format	PDF
ISSN	00188158
Journal	Hydrobiologia
Volume Number	784
Issue Number	1
e-ISSN	15735117
Language	English
Publisher	Springer International Publishing
Publisher Date	2016-06-18
Publisher Place	Cham
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cladoceran zooplankton Nutrient loading Climatic forcing Alpine lake Trophic dynamics Southwest China Freshwater & Marine Ecology Ecology Zoology
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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