Nutrient cycling by animals in freshwater ecosystems

MJ Vanni - Annual Review of Ecology and Systematics, 2002 - annualreviews.org
▪ Abstract Animals are important in nutrient cycling in freshwater ecosystems. Via excretory
processes, animals can supply nutrients (nitrogen and phosphorus) at rates comparable to …

Ecological stoichiometry: an elementary approach using basic principles

DO Hessen, JJ Elser, RW Sterner… - Limnology and …, 2013 - Wiley Online Library
Based on the observation that organism‐specific elemental content creates ecologically
relevant mismatches such as between plant and animal tissue, it was postulated—and …

The stoichiometry of consumer‐driven nutrient recycling: theory, observations, and consequences

JJ Elser, J Urabe - Ecology, 1999 - Wiley Online Library
Ecologists are increasingly recognizing the importance of consumers in regulating
ecosystem processes such as nutrient cycling. Ecologists have recently made considerable …

The role of food quality for zooplankton: remarks on the state‐of‐the‐art, perspectives and priorities

R Gulati, W Demott - Freshwater Biology, 1997 - Wiley Online Library
1. This paper summarizes the salient features of the contributions to the workshop on The
Role of Food Quality for Zooplankton. In this paper we attempt critically to evaluate our …

The ratio of nitrogen to phosphorus resupplied by herbivores: zooplankton and the algal competitive arena

RW Sterner - The American Naturalist, 1990 - journals.uchicago.edu
The influence of pelagic herbivores on the competitive arena of their prey is examined in
three models of herbivore physiology. One hallmark of pelagic herbivory is the rapid and …

Cladocerans versus copepods: the cause of contrasting top–down controls on freshwater and marine phytoplankton

U Sommer, F Sommer - Oecologia, 2006 - Springer
Top–down control of phytoplankton by crustacean mesozooplankton is a cornerstone of
freshwater ecology. Apparently, trophic cascades are more frequently reported from …

Stoichiometric relationships among producers, consumers and nutrient cycling in pelagic ecosystems

RW Sterner, JJ Elser, DO Hessen - Biogeochemistry, 1992 - Springer
Most ecosystem models consolidate members of food-webs, eg species, into a small
number of functional components. Each of these is then described by a single state variable …

Effects of phosphorus‐deficient diets on the carbon and phosphorus balance of Daphnia magna

WR DeMott, RD Gulati… - Limnology and …, 1998 - Wiley Online Library
We used laboratory growth and feeding experiments to study the balance of carbon (C) and
phosphorus (P) in Daphnia magna. Daphnia were fed high‐concentration mixtures of P …

The role of grazers in phytoplankton succession

RW Sterner - Plankton ecology: succession in plankton communities, 1989 - Springer
At times, freshwater zooplankton consume phytoplankton populations at rates similar to or
faster than that at which they are growing (Hargrave and Geen, 1970; Gulati, 1975; Hom …

Too much of a good thing: on stoichiometrically balanced diets and maximal growth

M Boersma, JJ Elser - Ecology, 2006 - Wiley Online Library
Nutritional imbalances are of great interest in the ecological stoichiometry literature, in which
researchers have focused almost exclusively on cases where nutrients are available in low …