Nutritional constraints in terrestrial and freshwater food webs

@article{Elser2000NutritionalCI,
  title={Nutritional constraints in terrestrial and freshwater food webs},
  author={James J. Elser and William F. Fagan and Robert F. Denno and Dean R. Dobberfuhl and Ayoola Folarin and Andrea F. Huberty and Sebastian J. Interlandi and Susan S. Kilham and Edward Mccauley and Kimberly L Schulz and Evan Siemann and Robert W. Sterner},
  journal={Nature},
  year={2000},
  volume={408},
  pages={578-580}
}
Biological and environmental contrasts between aquatic and terrestrial systems have hindered analyses of community and ecosystem structure across Earth's diverse habitats. Ecological stoichiometry provides an integrative approach for such analyses, as all organisms are composed of the same major elements (C, N, P) whose balance affects production, nutrient cycling, and food-web dynamics. Here we show both similarities and differences in the C:N:P ratios of primary producers (autotrophs) and… 

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References

SHOWING 1-10 OF 25 REFERENCES

Algal nutrient limitation and the nutrition of aquatic herbivores

A variety of evidence from many types of studies-physiological modelling, whole-ecosystem surveys, laboratory growth studies, etc-is assembled into an internally consistent picture of mineral limitation of aquatic herbivores.

Magnitude and patterns of herbivory in aquatic and terrestrial ecosystems

HERBIVORES can consume a sufficiently large proportion of primary production to regulate plant biomass in some environments1–3. Little is known, however, about how rates of herbivory vary among

Patterns in the Fate of Production in Plant Communities

  • J. Cebrian
  • Environmental Science
    The American Naturalist
  • 1999
The results suggest plant palatability as a main limiting factor of consumer metabolical and feeding rates across communities and offer a basis to predict the effects of widespread enhancement of plant nutritional quality due to large‐scale anthropogenic eutrophication on carbon balances in ecosystems.

THE STOICHIOMETRY OF CONSUMER‐DRIVEN NUTRIENT RECYCLING: THEORY, OBSERVATIONS, AND CONSEQUENCES

Conceptual advances within pelagic ecology are synthesized and a suite of potential applications of stoichiometric thinking to benthic and terrestrial habitats is suggested.

Modelling interactions of food quality and quantity in homeostatic consumers

A model including both metabolism and growth indicates that consumer growth should differ between foods of high vs. low phosphorus concentration only when food quantity is above a certain level, and two foods might give identical consumer growth rates at low food quantity but give different consumer growth at higher quantity.

ARE TROPHIC CASCADES ALL WET? DIFFERENTIATION AND DONOR-CONTROL IN SPECIOSE ECOSYSTEMS'

The premise is that true trophic cascades in the community sense are a relatively unusual sort of food web mechanics, and evidence is that these cascades are restricted to fairly low-diversity places where great influence can issue from one or a few species.

Phosphorus and nitrogen limitation of phytoplankton growth in the freshwaters of North America : a review and critique of experimental enrichments

It was found that combined N + P enrichment enhanced algal growth much more frequently and more substantially than did addition of N or P singly, and on average, the frequency and degree of algal response did not differ for P vs. N enrichment.

Resource Edibility and the Effects of Predators and Productivity on the Outcome of Trophic Interactions

A simple model is used to examine interactions among consumers and two types of resources that differ in edibility to predict the abundances of all three populations and confirms that the effects of predators and nutrients on consumers and resources predicted by the model differ when the consumer assemblage is dominated by a generalist herbivore.

Biotic Control over the Functioning of Ecosystems

Changes in the abundance of species — especially those that influence water and nutrient dynamics, trophic interactions, or disturbance regime — affect the structure and functioning of ecosystems.