999 resultados para Illinois State Water Survey annual report


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The Mandate of the National Fisheries Resources Research institute (NaFIRRI) is to manage, promote and undertake applied and basic research of strategic and national importance in aquaculture, capture fisheries, water environment, socio-economics and marketing, information communication management and any emerging issues in the fisheries

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The Annual report presents activities carried out by the Organization during the reporting period 1970. It explains the scientific work carried out by the Organization which includes: bottom trawl survey, a limnological survey of Lake Victoria for the period January to December 1970, maturity, sex ration and fecundity of lung fish (protopterus aethiopicus Heckel) from Lake Victoria, On the fish species of Lake Baringo, identification of organisms in Lake Victoria responsible for ecosounder traces, further observations on the ecology of the Nile perch (Lates niloticus Linne) in Lake Victoria and Lake Kioga, fishery economics studies, The African journal of Tropical Hydrobiology and fisheries and observation on fish marketing experiments in Tanzania

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The annual report presents research programs carried out by the institute during the reporting period. FIRRI has the mandate is to promote, undertake and coordinate all aspects of research in fisheries, fish production systems and the water environment, aquaculture and socio-economics while conserving the natural resource.

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Goal, Scope and Background. In some cases, soil, water and food are heavily polluted by heavy metals in China. To use plants to remediate heavy metal pollution would be an effective technique in pollution control. The accumulation of heavy metals in plants and the role of plants in removing pollutants should be understood in order to implement phytoremediation, which makes use of plants to extract, transfer and stabilize heavy metals from soil and water. Methods. The information has been compiled from Chinese publications stemming mostly from the last decade, to show the research results on heavy metals in plants and the role of plants in controlling heavy metal pollution, and to provide a general outlook of phytoremediation in China. Related references from scientific journals and university journals are searched and summarized in sections concerning the accumulation of heavy metals in plants, plants for heavy metal purification and phytoremediation techniques. Results and Discussion. Plants can take up heavy metals by their roots, or even via their stems and leaves, and accumulate them in their organs. Plants take up elements selectively. Accumulation and distribution of heavy metals in the plant depends on the plant species, element species, chemical and bioavailiability, redox, pH, cation exchange capacity, dissolved oxygen, temperature and secretion of roots. Plants are employed in the decontamination of heavy metals from polluted water and have demonstrated high performances in treating mineral tailing water and industrial effluents. The purification capacity of heavy metals by plants are affected by several factors, such as the concentration of the heavy metals, species of elements, plant species, exposure duration, temperature and pH. Conclusions. Phytoremediation, which makes use of vegetation to remove, detoxify, or stabilize persistent pollutants, is a green and environmentally-friendly tool for cleaning polluted soil and water. The advantage of high biomass productive and easy disposal makes plants most useful to remediate heavy metals on site. Recommendations and Outlook. Based on knowledge of the heavy metal accumulation in plants, it is possible to select those species of crops and pasturage herbs, which accumulate fewer heavy metals, for food cultivation and fodder for animals; and to select those hyperaccumulation species for extracting heavy metals from soil and water. Studies on the mechanisms and application of hyperaccumulation are necessary in China for developing phytoremediation.

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The South Carolina State Library reports to the governor and the General Assembly an annual report that includes an organization chart, comparative summary of statistics, 1943-2007, report of programs of the State Library, directory of public libraries, colleges and institution, and institutional libraries, and library statistics 2006-2007.

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The Recycling Market Development Advisory Council is comprised of 14 governor-appointed members representing the recycling industry, government, higher education, solid waste industry and citizen affiliations. The Council is staffed by the South Carolina Department of Commerce. This report also provides information on RMDAC’s work plan, economic development data, resources and market information for the glass, paper, plastics, scrap tires, used oil, nonferrous aluminum and ferrous scrap metal industries.

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1871

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1879

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1880

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1881

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1882

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1891

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1892

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1893

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This publication is the Board of Commissioners' annual report on the Charleston Orphan House regarding schools, expenses, and budget for 1895