• Publications
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Dynamic patterns and ecological impacts of declining ocean pH in a high-resolution multi-year dataset
TLDR
P pH decline is proceeding at a more rapid rate than previously predicted in some areas, and this decline has ecological consequences for near shore benthic ecosystems, according to a high-resolution dataset spanning 8 years.
The Nature and Consequences of Indirect Effects in Ecological Communities
TLDR
Indirect effects occur when the impact of one species on another requires the presence of a third species and can arise in two general ways: through linked chains of direct interactions, and when a species changes the interactions among species.
ESTIMATES AND TESTS OF PER CAPITA INTERACTION STRENGTH: DIET, ABUNDANCE, AND IMPACT OF INTERTIDALLY FORAGING BIRDS
Predicting the dynamics of natural food webs requires estimates of the strength of interactions among species. The ability to estimate per capita interaction strength from observational data is
MEASUREMENT OF INTERACTION STRENGTH IN NATURE
TLDR
Methods for estimating interaction strength efficiently from traits of organisms, such as allometric relationships, show some promise and methods for estimating community response to environmental perturbations without an estimate of interaction strength may also be of use.
PREDICTING DIRECT AND INDIRECT EFFECTS: AN INTEGRATED APPROACH USING EXPERIMENTS AND PATH ANALYSIS'
TLDR
Using an approach combining experimental perturbations and path analysis, the mechanisms by which birds directly and indirectly affected other members of an intertidal community were examined, alternative causal hypotheses were evaluated, and whether interactions among other unmanipulated species would be strong or weak were predicted.
THEORETICAL CONCEPTS AND EMPIRICAL APPROACHES TO MEASURING INTERACTION STRENGTH
TLDR
It is found that per capita interaction strength is often the most useful index to measure, that caution must be exercised in interpreting empirical estimates of interaction strength because of equilibrium assumptions and the potential confounding effect of indirect effects, and that concentrating on evaluating the relationship between empirically observed rates of change and species abundances may be a profitable way to proceed.
Effects of Disturbance on River Food Webs
A multitrophic model integrating the effects of flooding disturbance and food web interactions in rivers predicted that removing floods would cause increases of predator-resistant grazing insects,
Indirect Effects and Habitat Use in an Intertidal Community: Interaction Chains and Interaction Modifications
  • J. Wootton
  • Biology
    The American Naturalist
  • 1 January 1993
Species may indirectly affect populations of other species in two basic ways. Interaction chains result from linked direct interactions between species pairs. Interaction modifications, emergent
Local interactions predict large-scale pattern in empirically derived cellular automata
  • J. Wootton
  • Computer Science, Medicine
    Nature
  • 25 October 2001
TLDR
It is shown that an empirically derived cellular automaton model of a rocky intertidal mussel bed based on local interactions correctly predicts large-scale spatial patterns observed in nature.
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