Santa María Ixcatlán. Habitat, Population, Subsistence

María Luisa

Successful hunting increases testosterone and cortisol in a subsistence population.

Controversy over the adaptive significance of male hunting in subsistence societies hinges on the relative importance of familial provisioning and mate-quality signalling. This paper examines the proximate and ultimate motivations of hunting behaviour from a neuroendocrine perspective, using salivary testosterone and cortisol data collected before, during and after hunting focal follows from 31...

Subsistence and Population Patterns on the North American Plains

BALANCING THE CONSERVATION OF WILDLIFE HABITAT WITH ROAD ACCESS FOR SUBSISTENCE HUNTING IN YAKUTAT, ALASKA By

This thesis was an interdisciplinary investigation with the goal of balancing the conservation of wildlife habitat with road access for subsistence hunting in Yakutat, Alaska. The problem posed by land managers and subsistence moose hunters revolved around the use of offhighway vehicles (OHVs; e.g. “four-wheelers”) for subsistence moose hunting and the potential disturbance OHVs have on moose. ...

Population Size of Island Loggerhead Shrikes on Santa Rosa and Santa Cruz Islands

Island loggerhead shrikes (Lanius ludovicianus anthonyi) are an endemic, genetically distinct subspecies of loggerhead shrike on California’s Santa Rosa, Santa Cruz, and Santa Catalina Islands (USA). This subspecies is listed as a Species of Special Concern by the California Department of Fish and Game and has been petitioned for federal listing under the Endangered Species Act. The combination...