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Predation, Body Size, and Composition of Plankton.
The effect of a marine planktivore on lake plankton illustrates theory of size, competition, and predation.
The Relationship Between Productivity and Species Richness
Reviews of the literature concerning deserts, boreal forests, tropical forests, lakes, and wetlands lead to the conclusion that extant data are insufficient to conclusively resolve the relationship between diversity and productivity, or that patterns are variable with mechanisms equally varied and complex.
WHAT IS THE OBSERVED RELATIONSHIP BETWEEN SPECIES RICHNESS AND PRODUCTIVITY
Understanding the relationship between species richness and productivity is fundamental to the management and preservation of biodiversity. Yet despite years of study and intense theoretical…
Impacts of multiple stressors on biodiversity and ecosystem functioning: the role of species co‐tolerance
The sign and strength of the correlation between species sensitivities to multiple stressors must be considered when predicting the impacts of global change on ecosystem functioning as mediated by changes in biodiversity.
Models to Predict Potential Occurrence and Density of the Zebra Mussel, Dreissena polymorpha
It was found that both occurrence and average density of Dreissena populations were highly correlated with water chemistry, and DreISSena density was negatively related to concentration of the algal nutrients PO4 and NO3.
Intraspecific variation in a predator affects community structure and cascading trophic interactions.
The results demonstrate that intraspecific phenotypic variation of predators can regulate community structure and ecosystem processes by modifying the form and strength of complex trophic interactions.
Zooplankton of the Great Lakes: A Guide to the Identification and Ecology of the Common Crustacean Species
Researchers, instructors, and students will appreciate this compilation of detailed information on the crustacean zooplankton of the Great Lakes. The authors have gathered data from more than three…
THE RELATIONSHIP IN LAKE COMMUNITIES BETWEEN PRIMARY PRODUCTIVITY AND SPECIES RICHNESS
This study investigated the relationship between the primary productivity of lake ecosystems and the number of species for lacustrine phytoplankton, rotifers, cladocerans, copepods, macrophytes, and fish, and compared the effects of short- and long-term whole-lake nutrient addition on primary productivity and planktonic species richness.
Embryological induction and predation ecology in Daphnia pulex
Results of laboratory experiments suggest that a water-soluble factor released into the environment by the predacious phantom midge larva Chaoborus americanus (Diptera: Chaoboridae) causes embryos of the waterflea Daphnia pulex Leydig 1860 emend to develop into a form called Daphnian minnehaha Herrick 1884.
The ecological role of chemical stimuli for the zooplankton: Predator‐avoidance behavior in Daphnia
- S. Dodson
- 1 November 1988
The number of predator species to which a clone responds shows a positive correlation with average body size of the Daphnia, although there was a tendency (not statistically significant) for the number of responses to decrease with lake size.