نوع مقاله : علمی - پژوهشی
نویسندگان
1 دانشیار گروه جنگلداری دانشکده کشاورزی و منابع طبیعی اهر دانشگاه تبریز
2 دانشگاه ارومیه
چکیده
کلیدواژهها
موضوعات
عنوان مقاله [English]
نویسندگان [English]
Quantitative description of forest structure is used as one of the most important tools in forest management. The aim of the leading research is to investigate the structure and biodiversity of the coppice with standard of Arsbaran forests. In order to carry out this research, 12 rectangular sample plots with an area of half a hectare (with dimensions of 50 meters by 100 meters) were randomly planted in the study area. Inside these samples, the structural characteristics of the mass, including the species, the number of shoots, the diameter and the height of the group of shoots, were measured using the 100% statistical method. For the statistical analysis of the data, their normality was tested using the Kolmogorov-Smirnov test. Simpson and Shannon-Wiener diversity indices, Margalf and Mehnik richness and Pylo and Hill uniformity indices were used to investigate biodiversity. The results showed that Carpinus betulus.L (63.8 percent) was the dominant species and Quercus macranthera (26.7 percent) and Acer campestre (4.5 percent) were among the species with the highest abundance. The average Height and DBH were 6.45 meters and 12.14 cm, respectively. The highest and lowest values of the biodiversity index are related to the Pylo index (1.01) and the Menhinic index (0.19). The research showed that the diagonal distribution of the mass indicates that the mass is of the same age and young, and the bell shape of the height distribution also indicates the accumulation of the most searches in the middle altitude classes.
کلیدواژهها [English]
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