The Influence Of Landscape Characteristics On Duck Nesting Success In The Missouri Coteau Region Of North Dakota
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The Influence Of Landscape Characteristics On Duck Nesting Success In The Missouri Coteau Region Of North Dakota
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Author : Scott Eugene Stephens
language : en
Publisher:
Release Date : 2003
The Influence Of Landscape Characteristics On Duck Nesting Success In The Missouri Coteau Region Of North Dakota written by Scott Eugene Stephens and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
Effects Of Agricultural Conservation Practices On Fish And Wildlife
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Author : National Agricultural Library (U.S.)
language : en
Publisher:
Release Date : 2008
Effects Of Agricultural Conservation Practices On Fish And Wildlife written by National Agricultural Library (U.S.) and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Agricultural conservation categories.
"The bibliography is a guide to recent scientific literature covering effects of agricultural conservation practices on fish and wildlife. The citations listed here provide information on how conservation programs and practices designed to improve fish and wildlife habitat, as well as those intended for other purposes (e.g., water quality improvement), affect various aquatic and terrestrial fauna"--Abstract.
Special Reference Briefs
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Author :
language : en
Publisher:
Release Date : 1983
Special Reference Briefs written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.
Birdscapes
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Author :
language : en
Publisher:
Release Date : 2001
Birdscapes written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2001 with Birds categories.
A Spatial Model Of Waterfowl Nest Site Selection In Grassland Nesting Cover
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Author : Duane Bruce Pool
language : en
Publisher:
Release Date : 2004
A Spatial Model Of Waterfowl Nest Site Selection In Grassland Nesting Cover written by Duane Bruce Pool and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Nest building categories.
Ducks Unlimited's (DU) mission statement is focused on providing for the annual lifecycle needs of migratory waterfowl. The largest impacts to the success and numbers of continental populations are determined by their activities on the breeding grounds. To model and therefore manage habitats and landscapes for ducks (Anas and Aythya spp.) it is necessary to understand several characteristics of their behavior. This research builds a model of nest site selection from nest probability based on remotely sensed data, presence data and minimum threshold theory. The methods used are applicable to other sensor platforms as well as other target species or phenomenon. Using data compression techniques, logistic regression, and spatial statistical functions (Ripley's k-function, a global k-function, and Multiple Response Permutation Procedure) we tested the observed point patterns and developed a point process model to predict nesting patterns. The application of this type of fine resolution da.
The Influence Of Habitat Features On Grassland Birds Nesting In The Prairie Pothole Region Of North Dakota
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Author : David Joseph Horn
language : en
Publisher:
Release Date : 2000
The Influence Of Habitat Features On Grassland Birds Nesting In The Prairie Pothole Region Of North Dakota written by David Joseph Horn and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Birds categories.
Results of habitat fragmentation studies on grassland and wetland birds are not consistent. Some studies have found positive relationships among abundance, nest success, field size, and distance to edges, whereas others have found no relationship. One reason for differing results may be the landscape composition in which the study took place. I examined how landscape composition influenced relations among: 1) occurrence and abundance of grassland songbirds and field size and 2) nest success of ducks, field size, and edges. I also investigated the effects of mowing on grassland songbirds, and how landscape features, such as amount of perennial grassland, and predator community composition influenced the nest success of ducks in fields. The study took place in the Prairie Pothole Region of central North Dakota during the 1996-1997 breeding seasons. Two types of 6.4 x 6.4 km study areas were selected based on the amount of perennial grassland they contained: 15-20% and 51-55%. The remaining portion of the study areas was primarily cropland and wetland.
The Impact Of Human Landscape Features And Associated Predator Influences On Duck Nest Survival In The Prairie Pothole Region
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Author : Scott Adam Abel
language : en
Publisher:
Release Date : 2007
The Impact Of Human Landscape Features And Associated Predator Influences On Duck Nest Survival In The Prairie Pothole Region written by Scott Adam Abel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Ducks categories.
Dissertation Abstracts International
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Author :
language : en
Publisher:
Release Date : 2004
Dissertation Abstracts International written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Dissertations, Academic categories.
Factors Affecting Duck Nesting In The Aspen Parklands
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Author : David William Howerter
language : en
Publisher:
Release Date : 2003
Factors Affecting Duck Nesting In The Aspen Parklands written by David William Howerter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Ducks categories.
Habitat fragmentation often has been cited as a cause for reduced reproductive success of grassland-nesting birds, including ducks, though results of many studies have been equivocal. As remotely sensed habitat data become increasingly available, an increased understanding of how habitat configurations affect demographic parameters will allow wildlife managers to make better decisions about habitat preservation and restoration. We used duck (Anas spp.) nesting data from 15 65-km2 study areas (n=6300 nests) dispersed throughout the aspen (Populus tremuloides) parklands of south-central Canada, to test hypotheses and build models that predict hatching rates and nest-site distributions in relation to landscape features. We constructed separate models using landscape features generated at 3 different spatial extents and using 3 different habitat classification schemes. Generalized linear mixed-modeling techniques were used to model hatching rates, and logistic regression was used to discr.
Golden Winged Warbler Ecology Conservation And Habitat Management
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Author : Henry M. Streby
language : en
Publisher: CRC Press
Release Date : 2016-10-26
Golden Winged Warbler Ecology Conservation And Habitat Management written by Henry M. Streby and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-10-26 with Nature categories.
Golden-winged Warblers (Vermivora chrysoptera) are migratory songbirds that breed in temperate North America, primarily in the Great Lakes region with remnant populations throughout the Appalachian Mountains, and winter in Central and northern South America. Their breeding range has contracted dramatically in the Appalachian Mountains and many populations have dramatically declined, likely due to habitat loss, competition and interbreeding with Blue-winged Warblers (Vermivora pinus), andglobal climate change.. As a result of population declines in much of the eastern portion of their breeding range, Golden-winged Warblers are listed as endangered or threatened in 10 U.S. states and in Canada and have been petitioned for protection under the U.S. Endangered Species Act. Published in collaboration with and on behalf of The American Ornithological Society, this volume in the highly-regarded Studies in Avian Biology series compiles extensive, current research on Golden-winged Warblers and summarizes what is known and identifies many remaining unknowns, providing a wealth of peer-reviewed science on which future research and listing decisions can be based.