Study qualities and quantities tree parameters in the protected and non-protected areas in the Dena Biosphere Reserve
سال انتشار: 1392
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 511
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شناسه ملی سند علمی:
JR_IJABBR-1-2_009
تاریخ نمایه سازی: 26 اسفند 1394
چکیده مقاله:
Dena Biosphere Reserve located in Iran and is a 550 Biosphere Reserve in the worlds. This research was investigated in the two protected and non-protected areas, in a Dena Biosphere Reserve, Kohkeloye va Boyrahmad province, and central zagros forest, southwest of Iran. Inventory methods designed by systemetic-randomaiz method by use the rectangular plots that were 15×30 meters in the 100×100 m Net. In each plots information include qualities andquantities tree parameter measured. T-test was used to analysis of mean quantities tree parameter differences between protected and non-protected area. Data analyzing was done by Excel and SPSS16 software’s. Results showed that the DBH distribution in the reduceduneven- aged stand in protected area and reduced even aged in the non-protected area. Results showed that the mean of forest characteristics including DBH, height, canopy cover and, and density in the protected area are 38.5 (±5.5), 6.51 (± 0.9), 38 (±5.5) and 530 (±35) and thisquantities parameters in protected area higher the non-protected area. Overall results showed that the qualities and quantities tree parameters in the non-grazed area higher the grazed area, and grazing has a negative effect on the qualities and quantities tree parameters.
کلیدواژه ها:
Qualities and quantities parameters ، Dena Biosphere Reserve ، Protected area ، Kohkeloye va Boyrahmad province ، DBH distribution
نویسندگان
Dorna Rezaei
M.Sc. Student of forestry, University of Yazd, Yazd, Iran,
Mohamad Hossein Irannezhad Parizi
Department of Forestry, University of Yazd, Yazd, Iran,
Azizollah Jafari Kokhdan
Department of Biology, University of Yasouj, Yasouj, Iran,
Roghaye Zolfaghari
Department of Forestry, University of Yasouj, Yasouj, Iran.