نتایج جستجو برای: forest typology changing
تعداد نتایج: 260569 فیلتر نتایج به سال:
The biomass for energy purposes, coming from forestry and timber industry for energy, can provide various environmental and socio-economic benefits. Among all renewable energy sources, forest biomass represents both an important alternative source to fossil fuels and an opportunity for the socio-economic development of various marginal mountain areas in Calabria. This survey aims at estimating ...
The purpose of the study was to create an empirical typology of non-industrial private forest owners based on forest values and long-term objectives of forest ownership, to identify these types by owner and holding characteristics, as well as to analyze silvicultural and harvesting behavior in these groups. The analysis was based on survey data on 245 forest owners in southeastern Finland. The ...
In order to meet the demand of modern forest resources management and data update, this paper analyses the reasons of the forest resource data changes in the forest resource information management, introduces the concept of changing event to describe the reasons of the changes, codes the events changing the sub-compartment data coding, and designs the spatio-temporal database structure of fores...
Extended abstract 1- Introduction Changing the forests and pasture landuses to agricultural lands is one of the major global concerns about environmental degradation and climate change. As a result of the rangeland and forest changes into agricultural land and also tillage operations, about 430 million hectares, representing 30% of the world's total plowed land, are annually eroded and leavin...
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