Winter ranges of mule deer in the Sheep Creek Range, Nevada

Mule deer in the Sheep Creek sub herd are part of the larger Area 6 herd that occupies portions of Elko, Lander, and Eureka counties. The primary winter range of this population is located along the eastern flank of the Sheep Creek Range and the west side of Boulder Valley. Most deer migrate approximately 30 miles from winter ranges in upper Boulder Creek and Antelope Creek drainages to summer ranges on the west side of the Tuscarora Mountains. However, some deer in this population migrate much farther – approximately 80 miles – and connect with mule deer that summer east of the Humboldt River. This deer herd faces several challenges, including migration routes that pass through increased mineral extraction activities in the Carlin Mine area, invasion of exotic annual grasses on winter range, increased wildfires on winter range, and deteriorated range conditions on many stopover sites and winter range due to overgrazing by livestock.
These data provide the location of winter ranges for mule deer (Odocoileus hemionus) in the Sheep Creek Range, Nevada. They were developed from Brownian bridge movement models (Sawyer et al. 2009) using 58 migration sequences collected from a sample size of 34 animals comprising GPS locations collected every 1-25 hours.

谢普溪亚群的骡鹿隶属于分布于埃尔科县、兰德尔县与尤里卡县部分区域的6号区域大种群。该种群的核心越冬栖息地坐落于谢普溪山脉东坡与博尔德谷西侧。绝大多数个体从上游博尔德溪与羚羊溪流域的越冬地，向塔斯卡罗拉山脉西侧的夏居地迁徙，单程距离约30英里。然而该种群中部分个体的迁徙距离更远，可达约80英里，并与在洪堡河以东区域度夏的骡鹿形成种群连通。该鹿群面临多重生存威胁：迁徙路线途经卡林矿区内日趋频繁的矿产开发活动区域；越冬栖息地遭外来一年生草本植物入侵；越冬区域野火发生频率显著提升；以及多数中途停歇地与越冬地因家畜过度放牧，导致栖息地质量持续恶化。
本数据集收录了美国内华达州谢普溪山脉骡鹿（Odocoileus hemionus）的越冬栖息地分布点位。数据集基于布朗桥运动模型（Brownian bridge movement models，Sawyer等，2009）构建，所用数据来源于34头佩戴GPS项圈的个体的58条迁徙序列，其GPS定位信息的采样间隔为1至25小时。