نتایج جستجو برای: ecological monitoring
تعداد نتایج: 394275 فیلتر نتایج به سال:
One ecological environment monitoring system of Litopenaeus vannamei farming has been developed in order to protect and regulate the ecological environment of Litopenaeus vannamei farming, halt and reverses the situations in the ecological environment deterioration of Litopenaeus vannamei farming and the little farming success rate. The early warning information of ecological environment degrad...
Nowadays, the risk of degradation of wetlands is one of the main environmental challenges in the world, so continuous and long-term monitoring of ecological changes in wetlands can play a key role in their protection and proper management. In the present study, the trend of monthly changes in some of the most important ecological indicators of the aquatic environment of Shadegan wetland includi...
An improved method for making a decision on choosing the best self-propelled sprayer from alternative options is proposed. It refers to new developments in various fields of environmental monitoring and analysis field sprinklers, but which substantiate studied factors characterizing each unit. The are taken with real values calculated parameters, desirability function weighty coefficients devel...
Qualitative status of the environment is signaled by a group of indicators, known as bioindicators, several of which are responsible for showing progressive impacts of different types of pollutants. Having addressed the influence of various bioindicators in environmental pollution, it has been revealed that bioindicators are sensitive to any disturbance in any environment. With regards to the p...
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