نتایج جستجو برای: plant types
تعداد نتایج: 863244 فیلتر نتایج به سال:
Aims Channelization and artificial embankments have altered the natural flood regime of many rivers, impacting hydrological characteristics floodplain ecosystems their biological communities. This study was undertaken on a meadow to assess spatial patterns plant communities in relation soil physical chemical conditions, impacts restoration that involved embankment-removal. Location River Glaven...
The Mirabad protected area (S. Azarbaijan, Iran) has a variety of ecological nurseries due to elevation of the sea, physiographic factors, micro-climates and soil types, and has high vegetation diversity. Mirabad protected area in the Piranshahr-Sardasht axis is between the latitudes of 36° 23' and 36° 31' north, and the lengths 45° 15' and 45° 25', with an area of 11435 ha, in the elevation ...
Secondary succession after wildfire usually leads to vegetation types that can differ with the original vegetation in terms of forage productivity and community stability. Plant functional types (PFTs) can be used as ecological indices for assessing effects of disturbances on the natural plant communities. Accordingly, this research was aimed to identify, classify and analyze PFTs in three rang...
in this study reference as one of the five cohesive devices in the achievement of textuality in english and persian narrative/descripitive written texts is focused on and analysed . to do so , the theoretical framework elaborated by halliday and hasan (1976) and its version adapted by the writer to match the sub-types of reference in farsi are applied to the analysis of reference in english and...
relationship between plant and sial has special importance, because it is judged about one by considering the another one. soil-plant relationship is used for range trend, range emdttton, range suitability in range species. this research, includes: the analysis of plant different types and dominant species in each type with soil factors such as percentage of lime clay depth, stone and gravel (s...
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