نتایج جستجو برای: caspianhyrcanian forest
تعداد نتایج: 106136 فیلتر نتایج به سال:
soil is well known to support the transient or ongoing existence of kerathophilic fungi and potential sources of infection for humans and animals. fifty soil samples were collected from various areas of forests and farmyards at golestan province in the north part of iran to determine the prevalence of keratinophilic fungi and dominant species. a total of 357 fungal colonies including 13 genera ...
a Eastern Forest Environmental Threat Assessment Center, Southern Research Station, USDA Forest Service, PO Box 12254, Research Triangle Park, NC 27709, USA b Forest Economics and Policy Work Unit, Southern Research Station, USDA Forest Service, PO Box 12254, Research Triangle Park, NC 27709, USA c Goods, Services, and Values Program, Pacific Northwest Research Station, USDA Forest Service, 620...
The concept of forest functions evolved in Central Europe as an important tool in the practice of multi-objective forest management. It is based on designating forest function areas that are relatively more important for the selected services. Recent practice has raised a number of concerns regarding the suitability and effectiveness of the concept of forest functions in satisfying increasing s...
Understanding the response of species to anthropogenic landscape modification is essential to design effective conservation programs. Recently, insects have been used in empirical studies to evaluate the impact of habitat modification and landscape fragmentation on biological diversity because they are often affected rapidly by changes in land use. In this study, the use of the landscape matrix...
Vanuatu since 1989 as a means of maintaining the forest environment and providing for rural development. This effort, along with others in Papua New Guinea and the Solomon Islands, has encountered some difficulties associated with the introduction of new technologies and approaches. However, the experience in Vanuatu indicates that small sawmills can be successful business ventures and help to ...
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Automatic recognition of multiple musical instruments in polyphonic and polytimbral music is a difficult task, but often attempted to perform by MIR researchers recently. In papers published so far, the proposed systems were validated mainly on audio data obtained through mixing of isolated sounds of musical instruments. This paper tests recognition of instruments in real recordings, using a re...
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