J. Emmett Duffy

Publications110
h-index47
Citations21,348
Highly Influential Citations864
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Biodiversity loss and its impact on humanity
TLDR
It is argued that human actions are dismantling the Earth’s ecosystems, eliminating genes, species and biological traits at an alarming rate, and the question of how such loss of biological diversity will alter the functioning of ecosystems and their ability to provide society with the goods and services needed to prosper is asked.
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Effects of biodiversity on the functioning of trophic groups and ecosystems
TLDR
A formal meta-analysis of studies that have experimentally manipulated species diversity to examine how it affects the functioning of numerous trophic groups in multiple types of ecosystem suggests that the average effect of decreasing species richness is to decrease the abundance or biomass of the focal Trophic group, leading to less complete depletion of resources used by that group.
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Climate change impacts on marine ecosystems.
In marine ecosystems, rising atmospheric CO2 and climate change are associated with concurrent shifts in temperature, circulation, stratification, nutrient input, oxygen content, and ocean…
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Impacts of Biodiversity Loss on Ocean Ecosystem Services
Human-dominated marine ecosystems are experiencing accelerating loss of populations and species, with largely unknown consequences. We analyzed local experiments, long-term regional time series, and…
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A global synthesis reveals biodiversity loss as a major driver of ecosystem change
TLDR
The analyses clearly show that the ecosystem consequences of local species loss are as quantitatively significant as the direct effects of several global change stressors that have mobilized major international concern and remediation efforts.
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Investigating the relationship between biodiversity and ecosystem multifunctionality: challenges and solutions
TLDR
An extension of the fourth approach that systematically explores all possible threshold values provides the most comprehensive description of multifunctionality to date.
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Biodiversity loss, trophic skew and ecosystem functioning
TLDR
The dominant impacts of biodiversity change on ecosystem functioning appear to be trophically mediated, with important implications for conservation.
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STRONG IMPACTS OF GRAZING AMPHIPODS ON THE ORGANIZATION OF A BENTHIC COMMUNITY
TLDR
Experimental results imply that grazing am- phipods, which are ubiquitous in marine vegetation but poorly understood ecologically, may play important roles in the organization of benthic communities, particularly where predation pressure is low.
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Understanding the Effects of Marine Biodiversity on Communities and Ecosystems
TLDR
Multitrophic-level studies indicate that, relative to depauperate assemblages of prey species, diverse ones are more resistant to top-down control, use their own resources more completely, and increase consumer fitness.
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Food and Shelter as Determinants of Food Choice by an Herbivorous Marine Amphipod
TLDR
Variance in survivorship, and related measures, among sibling groups of amphipods suggested that this amphipod population possessed heritable variation for performance on the different seaweed species, and the lack of any consistent relationship between host-plant use in the field and either feeding preference or diet value, suggests that A. longimana may be strongly constrained by requirements for shelter from predation.
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