Diet and wild ungulate preferences of wolves in northwestern Anatolia during winter
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effectiveness of hedstroum files and rotary k3 instruments in removal of obturation materials during retreatment in curved canals
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abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...
Wild Ungulate Surveys in Grassland Habitats:
Surveying grassland ungulates presents unique problems to the researcher. Appropriate statistical methods exist, but applying them in the field invariably requires ingenuity and compromise. I describe line-transect surveys I conducted of 3 plateau grassland species in Qinghai province, focusing on underlying statistical assumptions and specific measures I took to deal with each. I also suggest ...
متن کاملUngulate predation and ecological roles of wolves and coyotes in eastern North America.
Understanding the ecological roles of species that influence ecosystem processes is a central goal of ecology and conservation biology. Eastern coyotes (Canis latrans) have ascended to the role of apex predator across much of eastern North America since the extirpation of wolves (Canis spp.) and there has been considerable confusion regarding their ability to prey on ungulates and their ecologi...
متن کاملAre inland wolf-ungulate systems influenced by marine subsidies of Pacific salmon?
Wolves (Canis lupus) in North America are considered obligate predators of ungulates with other food resources playing little role in wolf population dynamics or wolf prey relations. However, spawning Pacific salmon (Oncorhyncus spp.) are common throughout wolf range in northwestern North America and may provide a marine subsidy affecting inland wolf-ungulate food webs far from the coast. We co...
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ژورنال
عنوان ژورنال: PeerJ
سال: 2019
ISSN: 2167-8359
DOI: 10.7717/peerj.7446