ECOLOGICAL PRINCIPLES IN FORESTRY PRACTICE
نویسندگان
چکیده
منابع مشابه
Investigation of Ecological Models of Neyzar Qom’s Watershed Area in terms of Agricultural, Grassland and Forestry
Study, planning and implementing protection operation lead to correct exploitation of renewable energy resources and sustainable development. From these, vital sources are water and soil. The aim of this study is to investigate the agricultural and forestry aspects of ecological model of Neyzar Qom’s watershed in 2012. Neyzar watershed area is about 12821.38 hectare. Therefore, in this study, t...
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How to build an image interpretation expert system and other relevant expert systems within a knowledge-based pictorial information system is an ad hoc theme in geographical information system(GIS) field. It plays an important role in building a synthetic information system and in enhancing the GIS system performance. In this article, we present a forestry regional resource planning sub-system,...
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Gaps created by falling trees (tree-fall gaps) are a natural disturbance in forest ecosystems. Understanding scale, pattern and the effect of gaps on regeneration is important to current and future forest management. The aim of this study was to determine the size, shape and the spatial pattern of tree-fall gaps and of associated regeneration. This study was carried out in three parcels (No.15,...
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ژورنال
عنوان ژورنال: Nature
سال: 1943
ISSN: 0028-0836,1476-4687
DOI: 10.1038/152196a0