نتایج جستجو برای: hara biosphere reserve
تعداد نتایج: 37075 فیلتر نتایج به سال:
Given the importance of availability sufficient and accurate information on the structural characteristics of mangroves to develop conservation and restoration programs for these ecosystems, this study investigates and maps the structural characteristics of the coastal and island forms of the mangroves in the Hara Biosphere Reserve. To this end, through a field inventory (32 sample plots with t...
hara biosphere reserve in southern hormozgan province with 85686 hectares areas is located between bandar khamir and queshm island. this area can be considered as the most spectacular regions of iran for a unique coastal seascape. mangrove forests and amazing biodiversity make this region as the most significant ecotourism areas throughout the country. this research attempts to determine recrea...
introductionenvironmental pollution, especially marine pollution, is one of the complex and minatory problems that human is facing at the present time. many of human activities have irrecoverable outcomes and affect the marine environment in such a way that destruction of marine zones has become a significant warning. one of the most important ecosystems in iran is hara biosphere reserve, locat...
population and density estimate of black rat in mangrove forests was conducted by two independent procedures, including seber-jolly and catch-effort methods. a selected trapping area with 15 hectares was studied. first, 60 cage traps for seber-jolly and then 80 cage traps for catch-effort method installed in the trapping area. we used color earrings and numerical rings for marking the captured ...
Large scale land use/cover changes and habitat fragmentation have been associated with the decline of many wildlife populations in ecological sensitive regions. The main goal of this study was to quantify the spatial pattern changes in Caucasian Black Grouse habitat in Arasbaran Biosphere Reserve, Northwest of Iran in a period of 24 years (1987–2011). Caucasian black grouse (Tetrao mlokosiewicz...
Background: The pollution of the aquatic environment with heavy metals has become a worldwide problem during recent years, due to their potential toxic effects and ability to bio-accumulate in aquatic ecosystems. Heavy metals are sensitive indicators for monitoring changes in the aquatic environment. Methods: In this study, total concentrations of Cr, Pb, Cu, Zn, and Fe were measured in water...
background: the pollution of the aquatic environment with heavy metals has become a worldwide problem during recent years, due to their potential toxic effects and ability to bio-accumulate in aquatic ecosystems. heavy metals are sensitive indicators for monitoring changes in the aquatic environment. methods: in this study, total concentrations of cr, pb, cu, zn, and fe were measured in water a...
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