نتایج جستجو برای: stock assessment
تعداد نتایج: 648082 فیلتر نتایج به سال:
BACKGROUND Economic impact assessment of invasive species requires integration of information on pest entry, establishment and spread, valuation of assets at risk and market consequences at large spatial scales. Here we develop such a framework and demonstrate its application to the pinewood nematode, Bursaphelenchus xylophilus, which threatens the European forestry industry. The effect of spat...
An assessment is made of the factors influencing high country pastoral production, their degree of science validation and an estimate of their effect on total run production. Fertiliser, and introduced pasture species suited to the rate of fertiliser input are the main avenues for increased biological productivity; and stock nutrition and breeding as the means of producing a specialised product.
BACKGROUND In 2009, the Nepal Ministry of Health and Population launched a national program for prevention of postpartum hemorrhage (PPH) during home births that features advance distribution of misoprostol to pregnant women. In the years since, the government has scaled-up the program throughout much of the country. This paper presents findings from the first large-scale assessment of the effe...
The need to ensure energy efficiency of the Belarusian economy at present stage is justified. Indicators characterizing level fuel consumption and impact on environment for regions are calculated. authors found that Vitebsk region characterized by high heat capacity Gross regional product. Also, a volume pollutant emissions into air. We talking about generated from combustion production electri...
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