منابع مشابه
Pesticide Contamination in Lake Anasagar of Ajmer, Rajasthan
The lake Anasagar is a perennial, shallow fresh wetland situated in the heart of Ajmer city. It is degraded because of anthropogenic activities including input of detergents, agricultural activities, sewage disposal and human settlement around the lake. It is also a major tourist attraction for boating and recreational activities. Trapa bispinosa is the primary cash crop, comprises about 50% of...
متن کاملRe-Eutrophication and Pathenogenic Contamination of Lake Chivero
Lake Chivero illustrates a number of lake management issues. The lake is downstream to the City of Harare and its satellite urban settlements. About fifteen years after its filling the lake became hypereutrophic. The restoration measures taken to restore it were based on scientific data. Good management and investment in infrastructure and nutrient removal wastewater treatment technology result...
متن کاملRecent paleorecords document rising mercury contamination in Lake Tanganyika
Recent Lake Tanganyika Hg deposition records were derived using C and excess Pb geochronometers in sediment cores collected from two contrasting depositional environments: the Kalya Platform, located mid-lake and more removed from watershed impacts, and the Nyasanga/Kahama River delta region, located close to the lake’s shoreline north of Kigoma. At the Kalya Platform area, pre-industrial Hg co...
متن کاملAquatic plant Trapa natans L. as bioindicator of trace metal contamination in a freshwater lake (Skadar Lake, Montenegro)
Skadar Lake is the largest shallow lake in southeastern Europe. It is located within a national park, and is included in the Ramsar List of international important wetlands, so its preservation and protection from pollution is very important. The aim of this study was to investigate bioaccumulation of the ecotoxic metals Cd, Pb and Cr from sediments of Skadar Lake in the aquatic macrophyte Trap...
متن کاملContamination and Risk Assessment of Heavy Metals in Lake Bed Sediment of a Large Lake Scenic Area in China
The exposure of heavy metals to lake bed sediment of scenic areas may pose risks on aquatic ecosystems and human health, however very few studies on risk assessment have been reported for scenic areas. Accordingly, this study determined concentration levels, and assessed contamination characteristics and risks, of heavy metals in lake bed sediment of National Scenic Areas Songhuahu (NSAS) in Ch...
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ژورنال
عنوان ژورنال: Journal of Limnology
سال: 2005
ISSN: 1723-8633,1129-5767
DOI: 10.4081/jlimnol.2005.159