نتایج جستجو برای: and abandoned
تعداد نتایج: 16828121 فیلتر نتایج به سال:
the concept of redevelopment is accompanied by actions and forecasts to improve the quality of the physical-spatial environment inthe cities, that is by the emergence of new facilities and conditions, improving the spatial environment is achieved. this requirement occurs when the coherence, coordination and the performance of the urban area is diminishing and is not responsive to the requiremen...
nowadays, population growth and on the other hand resources limitations astonish authorities. population changes cause variation in economic activities and land use changes. as a whole, overusing, improper land use and human disturbances over natural resources make environmental imbalances worse. in recent decades, we have seen land use changes in taleghan basin. land use changes were produced ...
In recent years, a large part of the plowed rangelands has been abandoned due to the lack of economics, knowing such pastures and estimating plant production can play a significant role in their recovery. . It is usually difficult to investigate the changes in rangeand production due to interference in the access to the field and gathering field data. Considering the importance of determining p...
rehabilitation ofabandoned open excavation forbeneficial use of the pit lake at nyala magnesite mine
abandoned surface mine excavations can be a major environmental, social and/or human healthproblem for the mining industry as well as for the community living nearby. this problem is exacerbated by therapidly growing population encroaching on areas of historic mined lands. the aim of this studywas to assess thesafety status of the historic nyala mine excavation with the purpose of coming up wit...
increased soil dryness of hillsides and lands around the gully causes the aggravation of the gully erosion which leads to the desertion of the environment. soil moisture contents are various in different soil depths, gully positions, and in various land uses. these are fundamental for ecosystem sustainability in arid and semi-arid area. therefore, understanding the behavior of soil moisture in ...
Cropland abandonment is globally widespread and has strong repercussions for regional food security and the environment. Statistics suggest that one of the hotspots of abandoned cropland is located in the drylands of the Aral Sea Basin (ASB), which covers parts of post-Soviet Central Asia, Afghanistan and Iran. To date, the exact spatial and temporal extents of abandoned cropland remain unclear...
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