Extrinsic and intrinsic controls of zooplankton diversity in lakes

Ecology
Dag O HessenBjørn Walseng

Abstract

Pelagic crustacean zooplankton were collected from 336 Norwegian lakes covering a wide range of latitude, altitude, lake area, mean depth, production (as chlorophyll a), and fish community structure. Mean zooplankton species richness during the ice-free season was generally low at high latitudes and altitudes. Further, lower species richness was recorded in western lakes, possibly reflecting constraints on migration and dispersal. However, despite obvious spatial limitations, geographic boundaries were only weak predictors of mean zooplankton richness. Similarly, lake surface area did not contribute positively to mean richness such as seen in other ecosystem surveys. Rather, intrinsic factors such as primary production and fish community (planktivore) structure were identified by regression analysis as the major predictors of zooplankton diversity, while a positive correlation was observed between species richness and total zooplankton biomass. However, in spite of a large number of variables included in this study, the predictive power of multiple regression models was modest (<50% variance explained), pointing to a major role for within-lake properties, as yet unidentified intrinsic forces, stochasticity, or dispersal as cons...Continue Reading

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Citations

Nov 29, 2007·The ISME Journal·Angela D KentKatherine D McMahon
Sep 6, 2008·Genome Génome / Conseil National De Recherches Canada·Dag O HessenJames J Elser
Aug 19, 2011·PloS One·Jenni J KorhonenJanne Soininen
May 23, 2012·Ecological Applications : a Publication of the Ecological Society of America·Janne Soininen, Miska Luoto
Aug 5, 2008·The American Naturalist·Z Maciej Gliwicz, Dariusz Wrzosek
Aug 22, 2017·Inland Waters : Journal of the International Society of Limnology·Zsófia HorváthRobert Ptáčník
Oct 21, 2010·Ecology·Jennifer G Howeth, Mathew A Leibold
May 29, 2020·Ecological Applications : a Publication of the Ecological Society of America·Jasmina M VucicSapna Sharma
Aug 14, 2020·Ecology and Evolution·Tom AndersenBjørn Walseng

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