Research Topics
| Rick RelyeaSummaryAffiliation: University of Pittsburgh Country: USA Publications
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Detail Information
Publications
The toxicity of Roundup Original Max to 13 species of larval amphibiansRick A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
Environ Toxicol Chem 28:2004-8. 2009....
New effects of Roundup on amphibians: predators reduce herbicide mortality; herbicides induce antipredator morphologyRick A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
Ecol Appl 22:634-47. 2012..Collectively, these discoveries suggest that the world's most widely applied herbicide may have much further-reaching effects on nontarget species than previous considered...- A cocktail of contaminants: how mixtures of pesticides at low concentrations affect aquatic communitiesRick A Relyea
Department of Biological Sciences, University of Pittsburgh, 101 Clapp Hall, Pittsburgh, PA 15260, USA
Oecologia 159:363-76. 2009..In short, wetland communities can be dramatically impacted by low concentrations of pesticides (both separate and combined) and these results offer important insights for the conservation of wetland communities... - An unforeseen chain of events: lethal effects of pesticides on frogs at sublethal concentrationsRick A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260 USA
Ecol Appl 18:1728-42. 2008.... - The impact of larval predators and competitors on the morphology and fitness of juvenile treefrogsRick A Relyea
Department of Biological Sciences, University of Pittsburgh, PA 15260, USA
Oecologia 134:596-604. 2003..Collectively, these results demonstrate that larval environments can have profound impacts on the traits and fitness of organisms later in ontogeny... - Getting out alive: how predators affect the decision to metamorphoseRick A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
Oecologia 152:389-400. 2007..At the end, I outline a number of future directions to allow researchers to continue gaining insight into how predators affect the metamorphic decisions of their prey... - Assessing the ecology in ecotoxicology: a review and synthesis in freshwater systemsRick Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
Ecol Lett 9:1157-71. 2006..With this knowledge, one can improve upon management decisions and help protect non-target species that are of conservation concern... - The effects of pesticides, pH, and predatory stress on amphibians under mesocosm conditionsRick A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
Ecotoxicology 15:503-11. 2006.... - Synergistic impacts of malathion and predatory stress on six species of North American tadpolesRick A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
Environ Toxicol Chem 23:1080-4. 2004.... - Growth and survival of five amphibian species exposed to combinations of pesticidesRick A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
Environ Toxicol Chem 23:1737-42. 2004..This suggests that the impact of combining these four pesticides is similar to that predicted by the total concentration of pesticides in the system... - The lethal impacts of Roundup and predatory stress on six species of North American tadpolesR A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
Arch Environ Contam Toxicol 48:351-7. 2005..This discovery suggests that synergistic interactions between predatory stress and pesticides may indeed be a generalizable phenomenon in amphibians that occurs with a wide variety of pesticides... - The heritability of inducible defenses in tadpolesR A Relyea
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
J Evol Biol 18:856-66. 2005.... - Roundup and amphibians: the importance of concentration, application time, and stratificationDevin K Jones
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
Environ Toxicol Chem 29:2016-25. 2010..Collectively, the present study demonstrates the importance of examining multiple applications times and frequencies to understand the impacts of pesticides on organisms... - Detecting small environmental differences: risk-response curves for predator-induced behavior and morphologyNancy M Schoeppner
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA
Oecologia 154:743-54. 2008..e., within generation) in their environment, and impacts on ecological communities via trait-mediated indirect effects... 
Inbreeding depression in adaptive plasticity under predation risk in a freshwater snailJosh R Auld
Department of Biological Sciences, University of Pittsburgh, 4249 5th Avenue, Pittsburgh, PA 15260, USA
Biol Lett 6:222-4. 2010..Inbreeding depression in adaptive plasticity may be important to understanding the effects of inbreeding in nature...- Putting prey back together again: integrating predator-induced behavior, morphology, and life historyJason T Hoverman
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA, 15260, USA
Oecologia 144:481-91. 2005.... - How flexible is phenotypic plasticity? Developmental windows for trait induction and reversalJason T Hoverman
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
Ecology 88:693-705. 2007..In sum, we demonstrate that taking a developmental perspective is extremely valuable for understanding the ecology of inducible defenses... - No evidence that a common pesticide impairs female mate choice in a freshwater amphipodRickey D Cothran
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
Environ Toxicol 25:310-4. 2010..We found no evidence that malathion interferes with female choice in this species, suggesting that mating behavior may not always be a good indicator of sublethal pesticide contamination... - The rules of engagement: how to defend against combinations of predatorsJason T Hoverman
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, PA 15260, USA
Oecologia 154:551-60. 2007..This suggests that prey facing combined predators do not form simple intermediate defenses and, as a result, may experience enhanced mortality risk when they encounter natural predator regimes... - Re-evaluating the costs and limits of adaptive phenotypic plasticityJosh R Auld
Department of Biological Sciences, University of Pittsburgh, 101 Clapp Hall, 4249 5th Avenue, Pittsburgh, PA 15260, USA
Proc Biol Sci 277:503-11. 2010..Meanwhile, our understanding of the limits of plasticity, and how they may be underlain by the costs of plasticity, is still in its infancy. Based on our re-evaluation of these constraints, we discuss areas for future research... - Very highly toxic effects of endosulfan across nine species of tadpoles: lag effects and family-level sensitivityDevin K Jones
Department of Biological Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania 15260, USA
Environ Toxicol Chem 28:1939-45. 2009..Results from the present study provide valuable data to assess the impact of endosulfan on a globally declining group of vertebrates...