Evaluation and Classification of Anthropogenic Resource Stocks and Flows – the Case of Phosphorus and Zinc
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The attitude of fishermen towards stock enhancement and influencing factors: a case study in Guilan Province of Iran
Decline in aquatic resource stocks, occurs for various reasons. Although regulations and measures have proven useful, they have failed to inhibit effectively the stock reduction trends. Iranian Fisheries Organization has carried out a great deal of investments and efforts concerning the enhancement of the Caspian Sea resource stocks through the restrictive regulations, and reproduction and rele...
متن کاملThe attitude of fishermen towards stock enhancement and influencing factors: a case study in Guilan Province of Iran
Decline in aquatic resource stocks, occurs for various reasons. Although regulations and measures have proven useful, they have failed to inhibit effectively the stock reduction trends. Iranian Fisheries Organization has carried out a great deal of investments and efforts concerning the enhancement of the Caspian Sea resource stocks through the restrictive regulations, and reproduction and rele...
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Heavy metal contamination around the National Iranian Lead and Zinc Company (NILZ) in Zanjan province was evaluated in this paper. Collected data were used to appraise the degree of soil contamination and also the source of pollution in the study area based on geoaccumulation index (Igeo), and enrichment factor (EF). The levels of Fe, Zn, Cd and Pb in the samples exceed those reported in litera...
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