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Articles 1 - 18 of 18
Full-Text Articles in Animal Sciences
Resistance And Resilience Of Virgin Islands Bird Populations Following Severe Hurricanes, Robert A. Askins, David N. Ewert
Resistance And Resilience Of Virgin Islands Bird Populations Following Severe Hurricanes, Robert A. Askins, David N. Ewert
Biology Faculty Publications
We analyzed changes in abundance of terrestrial birds on St. John, U.S. Virgin Islands, for a 32 year period during which 3 major hurricanes occurred. Using 1987 as a baseline year, because it followed a 27 year hiatus when no major hurricanes hit the island, we assessed the impact of hurricanes on vegetation structure and bird populations. Bird abundance was determined for 25 m radius circular plots that were surveyed each year of the study along the same transects. Percent cover of trees, shrubs, and herbs was measured in each plot in 1987, 1990, and 2019. All of the survey …
Bulletin No. 43: Birds Of The Connecticut College Arboretum: Eighty Years Of Change, Robert Askins
Bulletin No. 43: Birds Of The Connecticut College Arboretum: Eighty Years Of Change, Robert Askins
Bulletins
No abstract provided.
The City Where The Storks Fly: Sustainable Agriculture And Species Reintroduction In Toyooka City, Japan, Nako Kobayashi
The City Where The Storks Fly: Sustainable Agriculture And Species Reintroduction In Toyooka City, Japan, Nako Kobayashi
Anthropology Department Honors Papers
In 1971, the Oriental White Stork went locally extinct in Toyooka, Japan. Today, around 80 of the birds fly free throughout the city. Toyooka uses the Stork Reintroduction Project and the promotion of “Stork-Friendly” agriculture to help combat the difficulties faced as a rural Japanese municipality including population decline, increased farmland abandonment, and falling rice prices. This thesis investigates how Toyooka City uses a pragmatic approach to achieve holistic sustainability that works within the framework of our current globalized cultural, political, social and economic landscape. By drawing on the fieldwork I conducted in Toyooka as well as the informal and …
Bulletin No. 42: The Mamacoke Conservation Area, Glenn Dreyer, Robert Askins, Scott Peterson
Bulletin No. 42: The Mamacoke Conservation Area, Glenn Dreyer, Robert Askins, Scott Peterson
Bulletins
No abstract provided.
Rabbits And Rebounding Populations Bring Hope For Shrubland Birds, Robert A. Askins, Christopher R. Field
Rabbits And Rebounding Populations Bring Hope For Shrubland Birds, Robert A. Askins, Christopher R. Field
Biology Faculty Publications
No abstract provided.
Response Of Bird Populations To Long-Term Changes In Local Vegetation And Regional Forest Cover, Mary Buchanan, Robert A. Askins, Chad C. Jones
Response Of Bird Populations To Long-Term Changes In Local Vegetation And Regional Forest Cover, Mary Buchanan, Robert A. Askins, Chad C. Jones
Biology Faculty Publications
We analyzed data from a woodland site for a 59-year period to determine whether changes in bird populations are related to changes in the diversity and relative abundance of woody plant species even when vegetation structure, degree of forest fragmentation in the surrounding landscape, and regional changes in bird populations are taken into account. Principal component analyses generated vegetation factors encompassing variables such as total basal area, shrub density, basal area of common tree species, and measures of tree and shrub species diversity. We also calculated a forest edge/ forest area index based on GIS analysis of the landscape within …
The Critical Importance Of Large Expanses Of Continuous Forest For Bird Conservation, Robert A. Askins
The Critical Importance Of Large Expanses Of Continuous Forest For Bird Conservation, Robert A. Askins
Biology Faculty Publications
No abstract provided.
Changes In Zebrafish (Danio Rerio) Startle Responses Due To Stressors Related To Marine Bycatch, Margot Wilsterman
Changes In Zebrafish (Danio Rerio) Startle Responses Due To Stressors Related To Marine Bycatch, Margot Wilsterman
Biology Honors Papers
Marine bycatch is one of the most pressing issues that result from modern industrialized fishing. Scientists do not have good estimates of rates of cryptic mortality, which is the mortality of individuals that are not landed but die from interactions with fishing gear below the water surface. One of the main causes of cryptic mortality is depredation, which occurs after individuals have escaped through fishing equipment and are eaten by predators waiting close behind for an effortless meal. In this study the effects of scale loss, slime loss, and exhaustion on the startle response of zebrafish were examined. These stressors …
Responses Of Forest Bird Populations To Long-‐Term Changes In Local Vegetation And Regional Forest Cover, Mary Buchanan
Responses Of Forest Bird Populations To Long-‐Term Changes In Local Vegetation And Regional Forest Cover, Mary Buchanan
Biology Honors Papers
Bird and vegetation surveys have been conducted periodically in the Connecticut College Arboretum since the 1950s, permitting analysis of long-term relationships of bird populations with the structure and floristic composition of the vegetation and with forest cover changes in the surrounding region. Principal component analyses created vegetation factors encompassing variables such as total basal area, basal area of common tree species, and tree diversity, and created a forest fragmentation factor based on GIS analysis of the landscape within 2 kilometers of the study site. Poisson regression models revealed relationships between these factors and population changes for twenty individual species and …
Natural Ice-Nucleating Bacteria Increase The Freezing Tolerance Of The Intertidal Bivalve Geukensia Demissa, Alexander M. Mccorkle
Natural Ice-Nucleating Bacteria Increase The Freezing Tolerance Of The Intertidal Bivalve Geukensia Demissa, Alexander M. Mccorkle
Biology Honors Papers
Instead of avoiding freezing, freeze tolerant invertebrates actively initiate controlled ice nucleation at relatively high sub-zero temperatures in extracellular compartments. Most produce proteinaceous ice-nucleators in their hemolymph, however the intertidal bivalve mollusc Geukensia demissa lacks this ability. Instead it utilizes at least one strain of ice-nucleation active (INA) bacteria, Pseudomonas fulva, present in seawater, to induce crystallization in the pallial fluid that fills its mantle cavity. In this study, two additional INA bacteria strains were isolated from the palial fluid of Geukensia demissa: Psychrobacter sp. and Shewanella sp. The ice-nucleation activity of both strains was characterized and Psychrobacter was found …
Historical Information On Bird Distributions Indicates That Mute Swans Were Introduced To North America, Robert A. Askins
Historical Information On Bird Distributions Indicates That Mute Swans Were Introduced To North America, Robert A. Askins
Biology Faculty Publications
No abstract provided.
Bulletin No. 37: Living Resources And Habitats Of The Lower Connecticut River, Glenn D. Dreyer, Marcianna Caplis
Bulletin No. 37: Living Resources And Habitats Of The Lower Connecticut River, Glenn D. Dreyer, Marcianna Caplis
Bulletins
No abstract provided.
Bulletin No. 36: Amphibians And Reptiles Of The Connecticut College Arboretum, Jill Devito, Joseph Markow
Bulletin No. 36: Amphibians And Reptiles Of The Connecticut College Arboretum, Jill Devito, Joseph Markow
Bulletins
No abstract provided.
Bulletin No. 34: Tidal Marshes Of Long Island Sound: Ecology, History And Restoration, Glenn D. Dreyer, William A. Niering
Bulletin No. 34: Tidal Marshes Of Long Island Sound: Ecology, History And Restoration, Glenn D. Dreyer, William A. Niering
Bulletins
No abstract provided.
Bird Territories: A Key To Understanding Bird Behavior, Robert A. Askins
Bird Territories: A Key To Understanding Bird Behavior, Robert A. Askins
Biology Faculty Publications
No abstract provided.
Comparison Of The Diet, Feeding Behavior, And Habitat Use Of Mallards (Anas Platyrhynchos) And Black Ducks (Anas Rubripes), Michael J. Bennett
Comparison Of The Diet, Feeding Behavior, And Habitat Use Of Mallards (Anas Platyrhynchos) And Black Ducks (Anas Rubripes), Michael J. Bennett
Biology Honors Papers
No abstract provided.
Bulletin No. 27: Birds Of Connecticut Salt Marshes - 50th Anniversary, James Stone, J. Susan Cole-Stone, William A. Niering
Bulletin No. 27: Birds Of Connecticut Salt Marshes - 50th Anniversary, James Stone, J. Susan Cole-Stone, William A. Niering
Bulletins
48 pp. 1981. Illustrations and descriptions of 24 birds commonly seen on our tidal marshes.
Bulletin No. 20: Tidal Marsh Invertebrates Of Connecticut, Nancy C. Olmstead, Paul E. Fell
Bulletin No. 20: Tidal Marsh Invertebrates Of Connecticut, Nancy C. Olmstead, Paul E. Fell
Bulletins
36 pp. 1974. Descriptions and illustrations of over 40 species of mollusks, crustaceans, arachnids and insects found on our tidal marshes.