نتایج جستجو برای: environmental degradation
تعداد نتایج: 510880 فیلتر نتایج به سال:
pricing for an insurance policy can be described as the process of calculation of expectedcompensation to be paid to property losers as well as associated costs of potential risks. loss forecast isaccurate if the risks will be identified appropriately in order to calculate the frequency and expected severityof losses.this is particularly important about environmental risks since most of them ap...
چکیده ندارد.
background: this study focused on isolation and identification of a phenanthrene (phe) degrader bacterium and optimization of environmental conditions for phe degradation. materials and methods: enrichment technique was used for isolation and the most effective isolate, named ap, selected based on its phe biodegradation abilities. the isolate was identified using morphological and biochemical t...
Migration necessarily precedes environmental change in the form of deforestation and soil degradation in tropical agricultural frontiers. But what environmental factors may contribute to these migration streams in the first place? Identifying environmental characteristics related to this process is crucial for understanding how environmental change and migration may form recurrent feedback loop...
A coastal fishery brings high productivity and economic profit while supporting cultural norms. However, it also causes environmental degradation and political conflicts, which sometimes collapse a fishery. With the current global shift from capture fisheries to aquaculture, appropriate management is required for social and environmental sustainability. To identify essential factors in coastal ...
In recent years, one of the most major world concerns is environmental pollutants derived from industrial and social performances. Unfortunately, in oil productive countries such as Iran, the substance is one of the most principle environmental pollutants. In this study, the effect of crude oil on some of physiological responses of unicellular alga Chlorella vulgaris such as the rate of photosy...
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