Nest and Brood Site Selection and Survival of Greater Prairie-chickens in the Eastern Sandhills of Nebraska PDF Download
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Author: Lars C. Anderson
Publisher:
ISBN:
Category : Greater prairie chicken
Languages : en
Pages :
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Author: Lars C. Anderson
Publisher:
ISBN:
Category : Greater prairie chicken
Languages : en
Pages :
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Author: Brett K. Sandercock
Publisher: Univ of California Press
ISBN: 0520270061
Category : Medical
Languages : en
Pages : 376
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Book Description
"Summarizing current knowledge of grouse biology, this volume is organized in four sections--spatial ecology, habitat relationships, population biology, and conservation and management--and offers insights into spatial requirements, movements, and demography of grouse. Much of the research employs emerging tools in ecology that span biogeochemistry, molecular genetics, endocrinology, radio-telemetry, and remote sensing".--Adapted from publisher descrip tion on back cover
Author: Paul A. Johnsgard
Publisher: Lulu.com
ISBN: 1609621263
Category : Nature
Languages : en
Pages : 164
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Book Description
This book documents nearly 500 US and Canadian locations where wildlife refuges, nature preserves, and similar properties protect natural sites that lie within the North American Great Plains, from Canada's Prairie Provinces to the Texas-Mexico border. Information on site location, size, biological diversity, and the presence of especially rare or interesting flora and fauna are mentioned, as well as driving directions, mailing addresses, and phone numbers or internet addresses, as available. US federal sites include 11 national grasslands, 13 national parks, 16 national monuments, and more than 70 national wildlife refuges. State properties include nearly 100 state parks and wildlife management areas. Also included are about 60 national and provincial parks, national wildlife areas, and migratory bird sanctuaries in Canada's Prairie Provinces. Many public-access properties owned by counties, towns, and private organizations are also described.
Author: Joseph Mark Lautenbach
Publisher:
ISBN:
Category :
Languages : en
Pages :
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The lesser prairie-chicken (Tympanuchus pallidicinctus) is a species of prairie grouse native to the southwest Great Plains. Population declines and threats to populations of lesser prairie-chickens led U.S. Fish and Wildlife Service to list the species as "threatened" under the protection of the Endangered Species Act in May 2014. Lesser prairie-chickens are found within three distinct ecoregions of Kansas and Colorado and portions of the species' range are affected by tree encroachment into grasslands. The effect of trees on lesser prairie-chickens is poorly understood. I evaluated habitat selection and reproductive success and across the northern portion of the species' range. I captured female lesser prairie-chickens within the three different ecoregions in Kansas and Colorado to track nest and brood survival and measure nest and brood habitat. My findings show that there are regional and annual variations in nest and brood survival. Mean nest survival during 2013 and 2014 was estimated to be 0.388 (95% CI = 0.343 - 0.433) for a 35-day exposure period. Brood survival during 2013 and 2014 was estimated to be 0.316 (95% CI = 0.184 - 0.457) for 56 days. Chick survival was the lowest during the first week of life and is probably a limiting factor for population growth. Chick and brood survival decreased as Julian hatch date increased. Across the northern portion of the species' range, females consistently select visual obstruction between 2-3 dm. Vegetation at the nest changes between regions and years to reflect environmental and regional conditions. Broods consistently selected habitats with greater percent cover of forbs than was expected at random across all study sites. Broods also selected against areas of bare ground. The threshold of lesser prairie-chicken use was 2 trees/ha throughout the year. No nests were located within areas with greater densities. Lesser prairie-chickens had a greater probability of use at greater distances from trees and at lower tree densities. To provide adequate nesting habitat managers should provide 2-3 dm of visual obstruction. Providing forb cover with visual obstruction between 2.5-5 dm near nesting habitat should provide adequate habitat for broods. Removing trees in core habitats and expand removal efforts outward should expand potential habitat for lesser prairie-chickens.
Author: Bart L. Prose
Publisher:
ISBN:
Category : Government publications
Languages : en
Pages : 14
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Author: Nathaniel Glen Emery
Publisher:
ISBN: 9781303438462
Category : Electronic dissertations
Languages : en
Pages : 148
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Author: James Christopher Pitman
Publisher:
ISBN:
Category :
Languages : en
Pages : 338
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Author: Bart L. Prose
Publisher:
ISBN:
Category : Habitat partitioning (Biology)
Languages : en
Pages : 48
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Author: Jacquelyn Gehrt
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Greater Prairie-chickens (Tympanuchus cupido) historically occupied 20 states within the contiguous United States and four Canadian provinces; however, due to habitat degradation and loss, they are currently found in 11 states; only four of which have a stable population. Kansas supports a relatively large abundance of Greater Prairie-chickens, where the Flint Hills ecoregion historically supported the largest population of all ecoregions. In the past decade, however, the Flint Hills population has declined to an estimated 8,334 individuals in 2021 from 34,180 individuals in 2015 due to changes and intensification of grassland management practices. The Fort Riley Military Reservation in the northwest portion of the Flint Hills ecoregion is one of a few areas within the ecoregion that does not implement grazing or vast annual burning. The Greater Prairie-chicken population within Fort Riley has remained stable over the past 25 years despite being constrained by surrounding landscape features and development. To understand why this population is doing relatively well compared to populations in surrounding areas, I trapped, collared, and tracked 46 female Greater Prairie-chickens from March-April 2019-2020 on Fort Riley. My goals with this project were to assess female survival, nest survival, resource selection, and space use during the breeding season (Apr-Aug) on the military reservation. Despite being free from grazing and annual burning, Fort Riley experiences fairly constant military activity, which may elicit responses from Greater Prairie-chickens. I used known-fate and nest survival models in Program MARK to estimate female survival and nest success of Greater Prairie-chickens. I estimated breeding season survival as 0.2750 ± 0.0650 (SE) and nest survival as 0.2643 ± 0.0689 (SE), which are average and high for the Flint Hills, respectively. I used logistic regression models to assess resource selection by Greater Prairie-chicken females. I analyzed landscape features, vegetation variables, and burn mosaics to understand which features had the most influence on resource selection and found landscape features to impact resource selection. Females avoided trees within Fort Riley (probability of use greatest at 2,000 m from nearest tree) at a greater margin than any other study in Kansas. Lastly I calculated home ranges, net, and total daily displacement across the lekking, nesting, and post-nesting stages of the breeding season to understand how Greater Prairie-chickens responded to military activity. Home ranges were slightly smaller than those in surrounding areas yet breeding stage trends remained constant (lekking: 238 ± 43 ha, nesting: 115 ± 20 ha, post-nesting: 113 ± 11 ha) when compared to past literature. Lastly, total daily movements did not differ significantly between days where activity was occurring versus when it was not (training occurring: 1,121 ± 127m, training not occurring: 1,309 ± 63m). My findings suggest that despite being in a constrained environment, Greater Prairie-chickens on Fort Riley are doing well demographically and are not showing signs of being affected by military activity. Because of the constrained environment, however, it is important for land managers to monitor woody encroachment and other tall vertical features as this may lead to loss of habitat and cause potential negative effects on the Fort Riley population.
Author: Larkin A. Powell
Publisher:
ISBN:
Category : Prairie chickens
Languages : en
Pages : 20
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