abstract: established in the nucleus of the scientific reservation pietrosu mare and set up in 1932 on a surface of 183 hectares, rodna mountains national park (r.m.n.p.) witnessed a remarkable spatial evolution, reaching today a 46 399- hectare territory. the management of this protected area is conducted by the employees of a.r.m.n.p., an administrative structure located in rodna, bistriţa-nă...

the leopard (panthera pardus) as an adaptable felid widely distributed in varied ecosystems of iran. the golestan natural park is one of the main habitats of leopard in the country. it has divers diet and preying various types of preys such as wild ungulate and livestock. the prey remains’ samples of leopard were collected and preserved using ethanol 96% and whole genomic dna was extracted. the...

brown trout, salmo trutta fario, has a wide range of distribution in the north of iran and in karaj, lighvanchai and karun rivers, but there is no report about its feeding behavior in some water resources including the lar natural park. in order to study feeding behavior of this fish during spawning season, a survey was carried out in the rivers of elarm, aab-sefid, kamardasht and delichayi in ...

fragmentation, or breaking apart of habitats, is one of the major causes of decline in biological diversity. mature ecosystems, especially dense forests are very sensitive to this phenomenon and roads are one of the major causes of fragmentation in forest landscapes. present investigation aims to trace landscape fragmentation in dense forests of golestan national park in northeast of iran betwe...

population growth and urbanization increase the demand for developing new roads. heavy traffic of the east of tehran imposes high pressure on transportation. network of this city and old road of tehran-rudehen does not meet this need. therefore, constructing the new highway (tehran – pardis) in the east of tehran would be needed. but the new highway passes through protected area of jajrood an...