نتایج جستجو برای: site characteristics of black bears in rocky mountain national park
تعداد نتایج: 24492147 فیلتر نتایج به سال:
nowadays,tourism industry considered as one of the main sources of income of a country.unfortunately and despite of owning plenty of cultural historical and natural attractions, iran has not reached to a proper position in this field. besides, the historical cities of a country are considered as the income resource and national wealth of it. qazvin with a rich cultural precedent, have suitable ...
National Parks are hallmarks of ecosystem preservation in the United States. The introduction of alien invasive plant species threatens protection of these areas. Bromus tectorum L. (commonly called downy brome or cheatgrass), which is found in Rocky Mountain National Park (hereafter, the Park), Colorado, USA, has been implicated in early spring competition with native grasses, decreased soil n...
this study purported to compare and contrast the use of self-mention and evidentials as two mtadiscourse features in opinion columns of persian and english newspapers. the theoretical basis of this study is the idea that metadiscourse features vary across cultural boundaries. for this purpose, 150 persian and 150 english opinion columns were collected based on three factors of topic, audience a...
3 (Abbreviated: PrP expression and neurodegeneration in scrapie) 4 5 Lisa Kercher, Cynthia Favara, James F. Striebel, Rachel LaCasse, and Bruce Chesebro. 6 7 From the Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National 8 Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT 59840. 9 10 Corresponding Author: Dr. Bruce Chesebro, Labor...
3 (Abbreviated: PrP expression and neurodegeneration in scrapie) 4 5 Lisa Kercher, Cynthia Favara, James F. Striebel, Rachel LaCasse, and Bruce Chesebro. 6 7 From the Laboratory of Persistent Viral Diseases, Rocky Mountain Laboratories, National 8 Institute of Allergy and Infectious Diseases, National Institutes of Health, Hamilton, MT 59840. 9 10 Corresponding Author: Dr. Bruce Chesebro, Labor...
Neglect of Genetic Diversity in Implementation of the Convention on Biological Diversity LINDA LAIKRE,∗ FRED W. ALLENDORF,† LAUREL C. ARONER,† C. SCOTT BAKER,‡ DAVID P. GREGOVICH,§ MICHAEL M. HANSEN,∗∗ JENNIFER A. JACKSON,‡ KATHERINE C. KENDALL,†† KEVIN MCKELVEY,‡‡ MAILE C. NEEL,§§ ISABELLE OLIVIERI,∗∗∗ NILS RYMAN,∗ MICHAEL K. SCHWARTZ,‡‡ RUTH SHORT BULL,† JEFFREY B. STETZ,†† DAVID A. TALLMON,†...
In many areas of the world, populations of native ungulates have become so abundant that they are believed to be harming vegetation and disrupting ecosystem function. Methods for controlling overabundance populations include culling animals from the population and controlling fertility using contraceptives. However, understanding the feasibility these alternatives requires insight into their lo...
Species' distributions are influenced by a combination of landscape variables and biotic interactions with other species, including people. Grizzly bears and black bears are sympatric, competing omnivores that also share habitats with human recreationists. By adapting models for multi-species occupancy analysis, we analyzed trail camera data from 192 trail camera locations in and around Jasper ...
this ethnographic case study research was carried out in a private school setting in the context of iran. the research tried to explore the analysis and identity construction of a group of learners and teachers along with the content analysis of books on the basis of four types of commodified, political, national and narrative identities. how english language learners and teachers in an informa...
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