نتایج جستجو برای: protected area

تعداد نتایج: 631890  

Journal: :Revista del Museo Argentino de Ciencias Naturales 2023

Reptiles are among the most threatened vertebrates worldwide. Habitat loss and fragmentation, human overexploitation, introduced invasive species, emerging diseases, environmental pollution global warming, severely increase risk of extinction population decline this taxon. A key strategy for protecting reptiles’ biodiversity has been creation maintenance protected areas. The focus work will be ...

Journal: :پژوهش های جغرافیای طبیعی 0
وحید امینی پارسا دانشجوی دکتری برنامه ریزی محیط زیست دانشگاه تهران اطهره نژادی دکتری برنامه ریزی محیط زیست دانشگاه تهران

introduction land use and land cover change (lucc) is a complex issue resulted from biophysical, socio-economic, cultural, organizational and technological factors in different spatial and temporal scales. lucc considered as an important threat to biodiversity as causing the fragmentation, natural vegetation destruction and natural areas isolation the regions which managed by environmental prot...

Journal: :پژوهش و برنامه ریزی روستایی 0
محمود جواد امیری محمود ذوقی مهدیس سادات سپیده کریمی

1. introduction development of tourism activities is one of the important topics in sustainable development and it has been introduced as a dynamic and growing industry. so, providing a suitable platform for identifying tourist attractions and planning for development them is an essential issue. also, recognition of these attractions and natural talents in each region in order to make proper pl...

Journal: رستنیها 2010
A. Jalili B. Hamzeh’ee, S.R. Safavi Y. Asri,

Arasbaran protected area is located in NW Iran, is one of nine designated Biosphere Reserves in Iran. According to the literatures and the current study, 1067 plant taxa are identified in the area. Eighteen plant taxa of the area are endemic to Iran. Hemicryptophytes (42.5 %) are the most frequent life forms in the reserve followed by therophytes (25.8 %), cryptophytes (18.8 %), phanerophytes (...

Habitat heterogeneity plays an important role in increasing species diversity. Heterogeneity of habitats and protected areas can increase the ability of species to adapt to climate change. It is expected that appropriate heterogeneity is necessary for sustainability of protected areas. The influence of altitude on parameters such as temperature and precipitation and the role of microclimates in...

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