Interaction strength

Contributions of parasites to energy flow through a stream food web

Parasites are increasingly recognized for their significant roles in shaping community structure and ecosystem dynamics. Due to their …
Poster
Experimental demonstration of a trophic cascade in the Galápagos rocky subtidal: Effects of consumer identity and behavior
In diverse tropical webs, trophic cascades are presumed to be rare, as species interactions may dampen top-down control and reduce …
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Experimental demonstration of a trophic cascade in the Galápagos rocky subtidal: Effects of consumer identity and behavior
Quantifying predator dependence in the functional response of generalist predators
A long‐standing debate concerns how functional responses are best described. Theory suggests that ratio dependence is consistent with …
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Quantifying predator dependence in the functional response of generalist predators
Using Survival Models to Estimate Invertebrate Prey Identification Times in a Generalist Stream Fish
Estimates of predator feeding rates are important for understanding trophic dynamics. One common method for quantifying feeding rates …
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Using Survival Models to Estimate Invertebrate Prey Identification Times in a Generalist Stream Fish
Characterizing species interactions to understand press perturbations: What is the community matrix?
The community matrix is among ecology’s most important mathematical abstractions, formally encapsulating the interconnected …
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Characterizing species interactions to understand press perturbations: What is the community matrix?
Using stable isotopes to quantify species interaction strengths
Understanding ecological interaction strengths is one of the main objectives of ecology. Recently, two methods for estimating …
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Trophic omnivory across a productivity gradient: intraguild predation theory and the structure and strength of species interactions
Intraguild predation theory centres on two predictions: (i) for an omnivore and an intermediate predator (IG-prey) to coexist on shared …
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Trophic omnivory across a productivity gradient: intraguild predation theory and the structure and strength of species interactions
Probabilistic patterns of interaction: the effects of link-strength variability on food web structure
Patterns of species interactions affect the dynamics of food webs. An important component of species interactions that is rarely …
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Probabilistic patterns of interaction: the effects of link-strength variability on food web structure
Using the functional response of a consumer to predict biotic resistance to invasive prey
Predators sometimes provide biotic resistance against invasions by nonnative prey. Understanding and predicting the strength of biotic …
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Using the functional response of a consumer to predict biotic resistance to invasive prey
Merging Resource Availability with Isotope Mixing Models: The Role of Neutral Interaction Assumptions
Bayesian mixing models have allowed for the inclusion of uncertainty and prior information in the analysis of trophic interactions …
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Merging Resource Availability with Isotope Mixing Models: The Role of Neutral Interaction Assumptions