نتایج جستجو برای: anthropogenic factors
تعداد نتایج: 1098792 فیلتر نتایج به سال:
The study was conducted to assess the native and alien plant species in one of the highly disturbed forest (S1) and less disturbed forest (S2) in Mt. Manunggal, Cebu Island, Philippines. Twenty-four quadrats with a size of 20mx20 m were established using a quadrat sampling technique to identify and record all plant species. Diversity indices were utilized to determine species abundance, richnes...
Using carbon dioxide as a surrogate measure of various environmental impacts, this paper analyses the effects of anthropogenic factors on CO2 emissions in India. The paper uses the STIRPAT model with data for 1960-2007. The results show that urbanisation has the largest potential negative effects on the environment, followed by population, service sector, industrial sector and GDP per capita. W...
The aim of this study was to assess the environmental impact of socio-cultural practices on the water quality of River Ganga at the foothills of the Garhwal Himalayas in Uttarakhand State, India. The physico-chemical parameters that contributed to the temporal variation and pollution in the river were identified in this study. Principal component analysis (PCA) and Cluster analysis (CA) were us...
eight selected heavy metals (cu, zn, pb, cd, cr, mn, fe and al) in surface and sub-surfacesediments in the northern coast of sfax (tunisia) were studied in order to assess the sediment quality and tohighlight the anthropogenic contributions to heavy metal distributions in the two study sediment levels.multiple chemometric approaches based on geographic information system (gis), enrichment facto...
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