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Full-Text Articles in Life Sciences
Variation In Surrounding Forest Habitat Influences The Initial Orientation Of Juvenile Amphibians Emigrating From Breeding Ponds, Leroy J. Walston, Stephen J. Mullin
Variation In Surrounding Forest Habitat Influences The Initial Orientation Of Juvenile Amphibians Emigrating From Breeding Ponds, Leroy J. Walston, Stephen J. Mullin
Faculty Research & Creative Activity
No abstract provided.
Using Dragonflies As Common, Flexible, And Charismatic Subjects For Teaching The Scientific Process, Paul Switzer
Using Dragonflies As Common, Flexible, And Charismatic Subjects For Teaching The Scientific Process, Paul Switzer
Faculty Research & Creative Activity
No abstract provided.
The Effect Of Male And Female Body Size On Mating Behavior Of Male Fairy Shrimp, Eubranchipus Neglectus, Craig Feigenbaum, Paul V. Switzer
The Effect Of Male And Female Body Size On Mating Behavior Of Male Fairy Shrimp, Eubranchipus Neglectus, Craig Feigenbaum, Paul V. Switzer
Faculty Research & Creative Activity
We studied size-related mating patterns in the freshwater fairy shrimp Eubranchipus neglectus in the laboratory. Males were provided with relatively small or large females that they could only sense by vision. We recorded the number of times a male pursued the female (“follows”), the duration of these follows, and the number of times a male attempted to grasp the female. Relatively large males performed more mating behavior than relatively small males. Furthermore, males (regardless of their own size) exhibited more mating behavior towards large than small females. They followed large females more frequently, attempted to grasp large females more often, …
The Effect Of Male And Female Body Size On Mating Behavior Of Male Fairy Shrimp, Eubranchipus Neglectus, Craig Feigenbaum, Paul Switzer
The Effect Of Male And Female Body Size On Mating Behavior Of Male Fairy Shrimp, Eubranchipus Neglectus, Craig Feigenbaum, Paul Switzer
Faculty Research & Creative Activity
We studied size-related mating patterns in the freshwater fairy shrimp Eubranchipus neglectus in the laboratory. Males were provided with relatively small or large females that they could only sense by vision. We recorded the number of times a male pursued the female (“follows”), the duration of these follows, and the number of times a male attempted to grasp the female. Relatively large males performed more mating behavior than relatively small males. Furthermore, males (regardless of their own size) exhibited more mating behavior towards large than small females. They followed large females more frequently, attempted to grasp large females more often, …
Using Dragonflies As Common, Flexible, And Charismatic Subjects For Teaching The Scientific Process, Paul Switzer
Using Dragonflies As Common, Flexible, And Charismatic Subjects For Teaching The Scientific Process, Paul Switzer
Faculty Research & Creative Activity
No abstract provided.
An Ecosystem-Based Approach To Management: Using Individual Behaviour To Predict The Indirect Effects Of Antarctic Krill Fisheries On Penguin Foraging, Suzanne H. Alonzo, Paul Switzer, Marc Mangel
An Ecosystem-Based Approach To Management: Using Individual Behaviour To Predict The Indirect Effects Of Antarctic Krill Fisheries On Penguin Foraging, Suzanne H. Alonzo, Paul Switzer, Marc Mangel
Faculty Research & Creative Activity
Summary 1. Changes in species' abundance and distributions caused by human disturbances can have indirect effects on other species in a community. Although ecosystem approaches to management are becoming increasingly prevalent, they require a fuller understand- ing of how individual behaviour determines interactions within and between species. 2. Ecological interactions involving krill are of major importance to many species within the Antarctic. Despite extensive knowledge of the ecosystem that they occupy, there is still incomplete understanding of the links between species and the effect of environmental conditions on these interactions. In this study, we extended a behavioural model used previously …
Ecological Games In Space And Time: The Distribution And Abundance Of Antarctic Krill And Penguins, Suzanne H. Alonzo, Paul V. Switzer, Marc Mangel
Ecological Games In Space And Time: The Distribution And Abundance Of Antarctic Krill And Penguins, Suzanne H. Alonzo, Paul V. Switzer, Marc Mangel
Faculty Research & Creative Activity
The distribution and abundance of organisms are affected by behaviors, such as habitat selection, foraging, and reproduction. These behaviors are driven by interactions within and between species, environmental conditions, and the biology of the species in-volved. Although extensive theoretical work has explored predator–prey dynamics, these models have not considered the impact of behavioral plasticity and life-history trade-offs on predicted patterns. We apply a modeling method that allows the consideration of a spatial, dynamic ecological game between predators and prey using a life-history perspec-tive. As an illustrative example, we model the habitat selection of Antarctic krill and penguins during the time …
Effects Of Experience And Body Size On Refuge Choice In The Crayfish Orconectes Immunis, Patrick S. Forsythe, Deborah S. Wyatt, Paul V. Switzer
Effects Of Experience And Body Size On Refuge Choice In The Crayfish Orconectes Immunis, Patrick S. Forsythe, Deborah S. Wyatt, Paul V. Switzer
Faculty Research & Creative Activity
We investigated whether refuge size or experience with a refuge affected the refuge use of male Orconectes immunis crayfish. Individuals were given choices among seven refuges for 10 consecutive days. Refuges were formed from equal length but different diameter PVC pipe and placed in an array in a random sequence. Three treatments were used. In the Novel Refuge treatment, individuals were placed in a new test arena with a new arrangement of cleaned refuges every day. In the Nonremoval treatment, individuals were left in the same arena with the same set of refuges each day. In the Removal treatment, individuals …
An Ecosystem-Based Approach To Management: Using Individual Behaviour To Predict The Indirect Effects Of Antarctic Krill Fisheries On Penguin Foraging, Suzanne Alonzo, Paul Switzer, Marc Mangel
An Ecosystem-Based Approach To Management: Using Individual Behaviour To Predict The Indirect Effects Of Antarctic Krill Fisheries On Penguin Foraging, Suzanne Alonzo, Paul Switzer, Marc Mangel
Faculty Research & Creative Activity
Summary 1. Changes in species' abundance and distributions caused by human disturbances can have indirect effects on other species in a community. Although ecosystem approaches to management are becoming increasingly prevalent, they require a fuller understand- ing of how individual behaviour determines interactions within and between species. 2. Ecological interactions involving krill are of major importance to many species within the Antarctic. Despite extensive knowledge of the ecosystem that they occupy, there is still incomplete understanding of the links between species and the effect of environmental conditions on these interactions. In this study, we extended a behavioural model used previously …
Ecological Games In Space And Time: The Distribution And Abundance Of Antarctic Krill And Penguins, Suzanne Alonzo, Paul Switzer, Marc Mangel
Ecological Games In Space And Time: The Distribution And Abundance Of Antarctic Krill And Penguins, Suzanne Alonzo, Paul Switzer, Marc Mangel
Faculty Research & Creative Activity
The distribution and abundance of organisms are affected by behaviors, such as habitat selection, foraging, and reproduction. These behaviors are driven by interactions within and between species, environmental conditions, and the biology of the species in-volved. Although extensive theoretical work has explored predator–prey dynamics, these models have not considered the impact of behavioral plasticity and life-history trade-offs on predicted patterns. We apply a modeling method that allows the consideration of a spatial, dynamic ecological game between predators and prey using a life-history perspec-tive. As an illustrative example, we model the habitat selection of Antarctic krill and penguins during the time …
Effects Of Experience And Body Size On Refuge Choice In The Crayfish Orconectes Immunis, Patrick Forsythe, Deborah Wyatt, Paul Switzer
Effects Of Experience And Body Size On Refuge Choice In The Crayfish Orconectes Immunis, Patrick Forsythe, Deborah Wyatt, Paul Switzer
Faculty Research & Creative Activity
We investigated whether refuge size or experience with a refuge affected the refuge use of male Orconectes immunis crayfish. Individuals were given choices among seven refuges for 10 consecutive days. Refuges were formed from equal length but different diameter PVC pipe and placed in an array in a random sequence. Three treatments were used. In the Novel Refuge treatment, individuals were placed in a new test arena with a new arrangement of cleaned refuges every day. In the Nonremoval treatment, individuals were left in the same arena with the same set of refuges each day. In the Removal treatment, individuals …
Improving Recovery Planning For Threatened And Endangered Species, Theodore C. Foin, Seth P. Riley, Anitra L. Pawley, Debra R. Ayres, Tina M. Carlsen, Peter J. Hodum, Paul V. Switzer
Improving Recovery Planning For Threatened And Endangered Species, Theodore C. Foin, Seth P. Riley, Anitra L. Pawley, Debra R. Ayres, Tina M. Carlsen, Peter J. Hodum, Paul V. Switzer
Faculty Research & Creative Activity
No abstract provided.
Improving Recovery Planning For Threatened And Endangered Species, Theodore Foin, Seth Riley, Anitra Pawley, Debra Ayres, Tina Carlsen, Peter Hodum, Paul Switzer
Improving Recovery Planning For Threatened And Endangered Species, Theodore Foin, Seth Riley, Anitra Pawley, Debra Ayres, Tina Carlsen, Peter Hodum, Paul Switzer
Faculty Research & Creative Activity
No abstract provided.