Web15 de fev. de 2013 · We used a marked population of North American elk (Cervus elaphus) to determine how energetic costs of reproduction in the current year affect survival and reproduction in the subsequent year. Using a multistate mark-recapture model we examined the influence of individual and environmental variation on trade-offs between these 2 life … WebElk of North America Ecology and Management by Thomas, Jack Ward & Dale E. Toweill and a great selection of related books, art and collectibles available now at …

A Century of Elk Restoration in Eastern North America

WebWe examined elk ( Cervus elaphus) seasonal home range sizes in relation to the quantity and spatial heterogeneity of forage biomass, forest cover, topography, snow–water equivalents, and landscape structure in three study landscapes: Yellowstone National Park, Wyoming, USA; eastern slopes of the Canadian Rockies, Alberta; and northern … Web11 de abr. de 2024 · The ecological impacts of settler fires were vastly different than those of their Native American predecessors, and further, Native fire practices were largely made illegal at the beginning of the 20th Century with the passage of the Weeks Act in 1911. [43] Altered fire regimes [ edit] earwig type bugs

Robert G. Dundas - Department of Earth and Environmental Sciences

Web1 de abr. de 2005 · Understanding the effects of landscape heterogeneity on the movements of large herbivores such as North American elk is considered very important for their management. Most simulation studies on movements of large herbivores use predetermined behavioral rules based on empirical observations, or simply on what seems reasonable … Web15 de out. de 2024 · American Elk once roamed freely throughout most of North America. Due to over-hunting, habitat fragmentation, and other anthropogenic activities the elks’ numbers have declined over the past century. There are still four extant subspecies of American Elk in North America. earwig y la bruja online latino