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Author: Eric Anstedt Publisher: ISBN: Category : Languages : en Pages : 47
Book Description
White-tailed deer (Odocoileus virginianus) are an ecological, economical, and socially significant species that occupy a variety of ecoregions. White-tailed deer are mobile habitat generalists that prefer habitats containing woody cover. Deer have successfully adapted to habitat-fragmented, agricultural landscapes. As a result, deer are not uniformly distributed across intensively cultivated areas, which make field surveys difficult with often highly variable spatial data. To increase sampling efficiency (deer observed / sampling effort), the landscape can be stratified based upon preferred habitat types. Habitat suitability models (HSI) have been used to represent hypothesized wildlife-habitat relationships, and therefore the likelihood of deer being observed may likely vary based on HSI scores. My research objective was to improve field sampling efforts for spotlight surveys in an intensive agricultural landscape of southwest Minnesota, using HSI modeling to stratify the landscape. An HSI model previously created for white-tailed deer populations in Illinois (original HSI) and a modified HSI model that I created which included grassland habitats were utilized. Deer management unit (DMU) HSI scores were correlated with deer densities at the statewide level and the original HSI and modified HSI models explained much of the variation in DMU deer densities at the statewide level. Spotlight surveys were conducted in spring 2015 and 2016 to test both models on a local level. The modified HSI model was more efficient at predicting where deer could be in agricultural landscapes, in large part, because the original HSI model ignored grassland habitats and many deer were observed in these habitats. The modified HSI model is recommended to stratify habitats for transect surveys to better predict the distribution and abundance of white-tailed deer in agricultural landscapes, which will improve sampling efficiency.
Author: Eric Anstedt Publisher: ISBN: Category : Languages : en Pages : 47
Book Description
White-tailed deer (Odocoileus virginianus) are an ecological, economical, and socially significant species that occupy a variety of ecoregions. White-tailed deer are mobile habitat generalists that prefer habitats containing woody cover. Deer have successfully adapted to habitat-fragmented, agricultural landscapes. As a result, deer are not uniformly distributed across intensively cultivated areas, which make field surveys difficult with often highly variable spatial data. To increase sampling efficiency (deer observed / sampling effort), the landscape can be stratified based upon preferred habitat types. Habitat suitability models (HSI) have been used to represent hypothesized wildlife-habitat relationships, and therefore the likelihood of deer being observed may likely vary based on HSI scores. My research objective was to improve field sampling efforts for spotlight surveys in an intensive agricultural landscape of southwest Minnesota, using HSI modeling to stratify the landscape. An HSI model previously created for white-tailed deer populations in Illinois (original HSI) and a modified HSI model that I created which included grassland habitats were utilized. Deer management unit (DMU) HSI scores were correlated with deer densities at the statewide level and the original HSI and modified HSI models explained much of the variation in DMU deer densities at the statewide level. Spotlight surveys were conducted in spring 2015 and 2016 to test both models on a local level. The modified HSI model was more efficient at predicting where deer could be in agricultural landscapes, in large part, because the original HSI model ignored grassland habitats and many deer were observed in these habitats. The modified HSI model is recommended to stratify habitats for transect surveys to better predict the distribution and abundance of white-tailed deer in agricultural landscapes, which will improve sampling efficiency.
Author: Timothy Edward Fulbright Publisher: Texas A&M University Press ISBN: 1603449515 Category : Science Languages : en Pages : 330
Book Description
The original, 2006 edition of Timothy Edward Fulbright and J. Alfonso Ortega-S.’s White-Tailed Deer Habitat: Ecology and Management on Rangelands was hailed as “a splendid reference for the classroom and those who make their living from wildlife and the land” and as “filling a niche that is not currently approached in the literature.” In this second, full-color edition, revised and expanded to include the entire western United States and northern Mexico, Fulbright and Ortega-S. provide a carefully reasoned synthesis of ecological and range management principles that incorporates rangeland vegetation management and the impact of crops, livestock, predation, and population density within the context of the arid and semiarid habitats of this broad region. As landowners look to hunting as a source of income and to the other benefits of managing for wildlife, the clear presentation of the up-to-date research gathered in this book will aid their efforts. Essential points covered in this new edition include: White-tailed deer habitat requirements Nutritional needs of White-tailed deer Carrying capacity Habitat management Hunting Focused across political borders and written with an understanding of environments where periodic drought punctuates long-term weather patterns, this revised and expanded edition of White-Tailed Deer Habitat: Ecology and Management on Rangelands will aid landowners, researchers, and naturalists in their efforts to integrate land management and use with sound ecological practices.
Author: Timothy E. Fulbright Publisher: Texas A&M University Press ISBN: 9781603445658 Category : Range management Languages : en Pages : 262
Book Description
For most of the last century, range management meant managing land for livestock. How well a landowner grew the grass that cattle ate was the best measure of success. In this century, landowners look to hunting and wildlife viewing for income; rangeland is now also wildlife habitat, and they are managing their land not just for cattle but also for wildlife, most notably deer and quail. Unlike other books on white-tailed deer in places where rainfall is relatively high and the environment stable, this book takes an ecological approach to deer management in the semiarid lands of Oklahoma, Texas, and northern Mexico. These are the least productive of white-tail habitats, where periodic drought punctuates long-term weather patterns. The book's focus on this landscape across political borders is one of its original and lasting contributions. Another is its contention that good management is based on ecological principles that guide the manager's thinking about: Habitat Requirements of White-Tailed Deer White-Tailed Deer Nutrition Carrying Capacity Habitat Manipulation Predators Hunting Timothy Edward Fulbright is a Regents Professor and the Meadows Professor in Semiarid Land Ecology at the Caesar Kleberg Wildlife Research Institute, Texas A&M University-Kingsville. J. Alfonso Ortega-S., is an associate professor at the Caesar Kleberg Wildlife Research Institute, Texas A&M University-Kingsville.
Author: Publisher: ISBN: Category : Animal radio tracking Languages : en Pages :
Book Description
The white-tailed deer (Odocoileus virginianus) is the most popular game animal in the United States but is also responsible for a large amount of damage to agricultural crops. Understanding how deer use agricultural landscapes on a small scale will facilitate management. Global Positioning System (GPS) telemetry collars were attached to 16 female white-tailed deer at Chesapeake Farms, Kent County, Maryland, during 2 summer growing seasons (10 in 2001 and 6 in 2002). Twelve collars collected usable data and collar success averaged 90 and 86 percent in 2001 and 2002, respectively. Mean adaptive kernel home-range sizes (25.22 ha in 2001 and 39.36 ha in 2002) did not differ between years (p = 0.14). Mean core areas (3.12 ha in 2001 and 6.28 ha in 2002) were larger in 2002 (p = 0.04). A habitat selection analysis was performed to determine which habitats were selected more or less than others during the soybean growing season. Habitat use pooled across all deer was different from random in both years (p
Author: Eric Anstedt
Author: Eric Anstedt
Author: Henry L. Short
Author: Alexandra B. Felix
Author: Kyra Colleen Sanders Harper
Author: Daniel J. Dunn
Author: William F. Porter
Author: Timothy Edward Fulbright
Author: Timothy E. Fulbright
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