نتایج جستجو برای: forest park
تعداد نتایج: 139560 فیلتر نتایج به سال:
Estimating population sizes for elusive animals: the forest elephants of Kakum National Park, Ghana.
African forest elephants are difficult to observe in the dense vegetation, and previous studies have relied upon indirect methods to estimate population sizes. Using multilocus genotyping of noninvasively collected samples, we performed a genetic survey of the forest elephant population at Kakum National Park, Ghana. We estimated population size, sex ratio and genetic variability from our data,...
a USDA Forest Service, Southern Research Station, P.O. Box 12254, Research Triangle Park, NC 27709-2254, USA b USDA Forest Service, Northern Research Station, 160 Holdsworth Way, Amherst, MA 01003-9285, USA c Department of Environmental Conservation, University of Massachusetts, 160 Holdsworth Way, Amherst, MA 01003-9285, USA d Family Forest Research Center, University of Massachusetts, 160 Hol...
Forest Park plays a decisive role in ecotourism, because of its ability to provide visitors with close natural experience. In the construction urban ecological civilization,Forest also an indispensable part.In order make healthy and orderly development, this articlechooses Fuzhou National as example, based on AVC theory, combined questionnaire survey, then draw out factors that significantly af...
The moist temperate Himalayas, as one of the major ecological zone of Pakistan, deserve specific attention to the conservation of environment and the sustainable development of natural resources. During the last hundred years, the area has been subjected to major structural changes leading to a decrease of about fifty per cent of the potential forest area. The decrease in forest cover, combined...
Age-structure analysis of aspen (Populus tremuloides) was conducted on Rocky Mountain elk (Cervus elaphus) winter range in the northern Yellowstone area by collecting increment cores from aspen trees in Yellowstone National Park, the Gallatin National Forest, and the Sunlight/Crandall area of the Shoshone National Forest. Our goal was to compare aspen age structure for elk winter range in the p...
Myanmar's recent transition from military rule towards a more democratic government has largely ended decades of political and economic isolation. Although Myanmar remains heavily forested, increased development in recent years has been accompanied by exceptionally high rates of forest loss. In this study, we document the rapid progression of deforestation in and around the proposed Lenya Natio...
due to the different factors and complexity of their effects on healthy and sustainability of urban forest, this study has been tried by means of determining effective factors in ecosystem, and dividing sorkhe hesar man made forest park to homogeneous units according to natural factors (slope, aspect, high, soil depth, mixture and pure planting system) and human factors (amount of irrigation an...
How " One Health " Connects Humans, Animals, and Ecosystems Writer Wendee Nicole traveled to Uganda to report this story under the Mongabay.org Special Reporting Initiatives Program. She tracked chimpanzees and mountain gorillas, and spent time with the Batwa people, " conservation refugees " living outside their former forest home. Right: A mother gorilla and her baby cross a creek in the park.
Center for Women’s Health (G.E.H.), Cedars-Sinai Medical Center, Los Angeles, California 90048; Department of Medical and Scientific Services, Quintiles Inc. (C.L.H.), Research Triangle Park, North Carolina 27709-3979; Department of Obstetrics and Gynecology (C.L.H.), Duke University Medical Center, Durham, North Carolina 27710; and Department of Pathology (J.M.C.), Wake Forest University Schoo...
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