نتایج جستجو برای: potential habitat
تعداد نتایج: 1113390 فیلتر نتایج به سال:
We directly observed roost and nest site selection in a population of northern spotted owls (Strix occidentalis caurina) in northwestern California during 1985-89. Because of potential biases caused by use of radio telemetry in previous studies, we examined habitat use relative to habitat availability at a level not previously reported for spotted owls. Spotted owls selected coniferous forest c...
The geographic distribution of stream reaches with potential to support high-quality habitat for salmonids has bearing on the actual status of habitats and populations over broad spatial extents. As part of the Coastal Landscape Analysis and Modeling Study (CLAMS), we examined how salmon-habitat potential was distributed relative to current and future (+100 years) landscape characteristics in t...
Hawaii has no native pines, but many species have been introduced as ornamental or potential timber trees. These species have been planted in environments that differ greatly from their natural habitat. This paper describes how the coordinated seasonal cycle of growth and flowering has been influenced by the climatic conditions these pines have encountered in Hawaii. Hawaii has no native pines,...
Citation: Lezama-Ochoa N, Murua H, Chust G, Van Loon E, Ruiz J, Hall M, Chavance P, Delgado De Molina A and Villarino E (2016) Present and Future Potential Habitat Distribution of Carcharhinus falciformis and Canthidermis maculata By-Catch Species in the Tropical Tuna Purse-Seine Fishery under Climate Change. Front. Mar. Sci. 3:34. doi: 10.3389/fmars.2016.00034 Present and Future Potential Habi...
The approximately 300 (298, 95% CI: 152-581) elephants in the Lower Kinabatangan Managed Elephant Range in Sabah, Malaysian Borneo are a priority sub-population for Borneo's total elephant population (2,040, 95% CI: 1,184-3,652). Habitat loss and human-elephant conflict are recognized as the major threats to Bornean elephant survival. In the Kinabatangan region, human settlements and agricultur...
Chinkara is classified as a vulnerable species (IUCN, 2009). Yet, there is a little information on its biological characteristics and habitat in Iran. This study focuses on the habitat preference and social pattern of this species in Dareh-Anjeer wildlife refuge in 2010-2011. We first determined habitat boundaries of Chinkara in the area. During the survey, 15 transects were located within diff...
—Fire is increasingly being used in oak forests to promote oak regeneration, improve wildlife habitat, and reduce hazardous fuel loads. Although recent research has begun to shed light on the relationships among fire, bats, and bat habitat, these interactions are not yet fully understood. Fire may affect bats directly through heat and smoke during the burning process or indirectly through modif...
A Geographic Information System (GIS)-based model, using presence-only data, was used to predict suitability of habitat for large grazing ungulates on a Zimbabwean wildlife reserve. The management-driven study focused on rare and economically valuable herbivores during the resource-limited hot-dry season. The modelling software Biomapper was used to quantify species–habitat association and deri...
Habitat analysis using landscape metrics can be efficient in better management of habitat. As a critically endangered subspecies, the Baluchistan black bear is scattered in the Bahr Asman and Zaryab areas in Kerman province. The purpose of this study was to model the distribution of the sub-species and evaluate the quality of its habitat patches, using landscape metrics. Distribution modeling w...
Loss of habitat-forming algae is increasingly prevalent in temperate marine ecosystems. Here, we document absence of an important habitat-forming macroalga, Phyllospora comosa (Labill.) C. Agardh, along an urbanized coast in New South Wales (NSW), Australia. Dense Phyllospora canopies were common on shallow sublittoral reefs north and south of Sydney. In contrast, we did not find a single indiv...
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