Fine-scale Habitat Use Related to Crop Depredation by Female White-tailed Deer in an Agricultural Landscape PDF Download
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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: 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: Talesha Karish Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
White-tailed deer (Odocoileus virginianus) and mule deer (O. hemionus) occur in sympatric populations across the Great Plains in North America. Mule deer abundance and occupied range has been declining during the past three decades while white-tailed deer abundance and occupied range has been increasing. Factors contributing to the dichotomous population growth and distribution patterns across their sympatric range are unknown, but potentially include differential survival, space use, and resource selection, all of which may be contributing to indirect competition that may be negatively affecting mule deer populations. Overlap in resource use or space use between mule deer and white-tailed deer could be evidence of competition or competitive exclusion. Activity patterns could provide insights for temporal segregation or competition. Differential space use could allow these species to spatially segregate and co-occur without competing for the same resources. My objectives were to 1) estimate annual and seasonal survival rates, 2) identify cause-specific mortality of adult female mule deer and white-tailed deer, 3) compare behavior patterns between adult mule deer and white-tailed deer of both sexes at seasonal and fine temporal period scales, 4) evaluate the difference in movements between adult female mule deer and white-tailed deer at seasonal and fine temporal scales, 5) test for differences in home range area and composition of adult female mule deer and white-tailed deer at seasonal and fine temporal scales, and 6) evaluate differences in seasonal multi-scale resource selection by female mule deer and white-tailed deer in western Kansas. I deployed collars on 184 pregnant females (94 mule deer and 90 white-tailed deer) at two different study sites in western Kansas (North, South) over three years, 2018, 2019 and 2020. Each deer received a high-resolution GPS/VHF collar that recorded hourly locations, activity accelerometer data along 3 axes, and used an activity sensor to identify mortality events. I used a Kaplan-Meier model to estimate cumulative weekly and annual survival and fit a hazard function to each survival model. I tested for relative influence of factors on estimated survival. I categorized activity points into three behavioral states (feeding, resting, and running). I converted activity points into a proportion of total behavior for each deer and tested for differences in the proportion of behavior categories between species and among seasons. I calculated individual hourly and daily movements seasonally and compared them between species and among seasons. I calculated annual and seasonal 95% home ranges and 50% core areas for each individual deer using a Biased Brownian Bridge movement model. Using logistic regression, I modeled resource selection by mule deer and white-tailed deer at the landscape scale, within home range scale, and within the core home range to identify selection for potential habitat variables and cover types. There was no difference in annual survival of adult female deer between species (mule deer [0.78 ± 0.04] and white-tailed deer [0.77 ± 0.05]). Harvest was the leading known cause of female mortality at 14% of the total mortality, but it was low compared to other studies in the Great Plains. Behavior of both species was similar in all seasons except for rut for males. In rut, males doubled their running behavior. Firearm season produced no changes in behavior for either species or sex. However, the greatest movements and home ranges were in the firearm season. There were greater movements and home ranges in the cold seasons than in the warm seasons. Mule deer were found to use steeper slopes than white-tailed deer, and white-tailed deer used riparian and woodland areas more than mule deer. Habitat patches enrolled in the U.S. Department of Agriculture Conservation Reserve Program were strongly selected by both species in every season and scale. Managers should focus on preserving CRP to stabilize the mule deer population. Given harvest rates of females are low, survival of adult females of both species of deer appears to be little affected by harvest, so there is no need to alter harvest rates of either species.
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: Miranda C. Reinson Publisher: ISBN: Category : Fragmented landscapes Languages : en Pages : 158
Book Description
Within the Midwest of the United States, agriculture intensification has resulted in a removal of non-cultivated habitat types to expand agricultural land, which has created two unique seasons. During the non-growing season, habitat availability is limited to remnant patches primarily located along waterways and unfarmable acreage. Harvesting and planting drastically alters the landscape configuration and essentially creates two separate seasons due to the change in cover and forage. During the non-growing season, habitat availability is limited to remnant patches primarily located along unfarmable land. Understanding the influence of agricultural lands aids wildlife managers in white-tailed deer population and habitat management, and human-wildlife conflict issues. We estimated densities of deer in cultivated and non-cultivated areas of the landscape to investigate the changes in densities between the growing and non-growing season. We used point count methods with camera-captured images from the growing season (n=1872) and non-growing season (n=758). Deer densities were not significantly different during the growing season between the cultivated (24 hour: 0.32 deer/km2, peak: 0.28 deer/km2) and non-cultivated areas (24 hour: 0.88 deer/km2, peak: 1.33 deer/km2), however, densities were significantly higher in non-cultivated areas (24 hour: 1.31 deer/km2, peak: 1.24 deer/km2) during the non-growing season compared to cultivated areas (24 hour: 0.03 deer/km2, peak: 0 deer/km2). We also utilized a resource selection function on the population-scale using female white-tailed deer GPS location data to investigate seasonal changes in resources between the growing and non-growing season. Selection differed between the growing and non-growing season, with the most influential landscape characteristic during the non-growing season being canopy cover and the growing season amplitude of NDVI. These results indicate that deer densities and habitat selection is influenced the growing and non-growing seasons. Thus, effective management practices in both population control and habitat must take into consideration the response of deer to agricultural practices.
Author: Neil Wetmore Hosley Publisher: ISBN: Category : Deer Languages : en Pages : 52
Book Description
This bibliography was compiled to partially update and include references previously cited in the "Management of the White-tailed Deer in North America". Excluded from this revision are generally accounts with no apparent, new contribution to management, regional population data, annual kill reports, articles on diseases and parasites, taxonomic and physiologic studies, and mimeographed material not easily obtainable. Most of the main forestry and wildlife periodicals and the indexing publications such as Biological Abstracts, Wildlife Review, and Dissertation Abstracts are covered. Abbreviations used follow, in general, those approved for the Journal of Wildlife Management.
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Author: Talesha Karish
Author: Timothy E. Fulbright
Author: Brian L. Cypher
Author: Carolyn Hull Sieg
Author: Kathryn Bennett Reis
Author: Miranda C. Reinson
Author: Carolyn Hull Sieg
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Author: Neil Wetmore Hosley