Study 200: Protocol for Monitoring Acute and Chronic Toxicity in the San Joaquin River Watershed, Winter
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Document Title: Study 200: Protocol for monitoring acute and chronic toxicity in the San Joaquin River watershed, winter 2000-200 1
منابع مشابه
Monitoring acute and chronic water column toxicity in the Northern Sacramento-San Joaquin Estuary, California, USA, using the euryhaline amphipod, Hyalella azteca: 2006 to 2007.
After the significant population decline of several pelagic fish species in the Northern Sacramento-San Joaquin (SSJ) Estuary (CA, USA) in 2002, a study was performed to monitor water column toxicity using the amphipod Hyalella azteca. From January 1, 2006 to December 31, 2007, water samples were collected biweekly from 15 to 16 sites located in large delta channels and main-stem rivers, select...
متن کاملPyrethroid insecticide concentrations and toxicity in streambed sediments and loads in surface waters of the San Joaquin Valley, California, USA.
Pyrethroid insecticide use in California, USA, is growing, and there is a need to understand the fate of these compounds in the environment. Concentrations and toxicity were assessed in streambed sediment of the San Joaquin Valley of California, one of the most productive agricultural regions of the United States. Concentrations were also measured in the suspended sediment associated with irrig...
متن کاملAcute and sub-chronic toxicological evaluation of ethanol extract of Solanum trilobatum Linn.
Background and objectives: Solanum trilobatum plant parts such as berries and flowers are normally used for the treatment of respiratory illnesses. The toxicity profile of the plant and its parts are not clear. Hence, the present study was planned to investigate the toxicological effects of ethanol extract of leaves of S. trilobatum (EEST) using acute and sub-...
متن کاملUrban and agricultural sources of pyrethroid insecticides to the Sacramento-San Joaquin Delta of California.
While studies have documented the presence of pyrethroid insecticides at acutely toxic concentrations in sediments, little quantitative data on sources exist. Urban runoff, municipal wastewater treatment plants and agricultural drains in California's Sacramento-San Joaquin River Delta were sampled to understand their importance as contributors of these pesticides to surface waters. Nearly all r...
متن کاملUrban and Agricultural Sources of Pyrethroid Insecticides to the Sacramento-San Joaquin Delta of California
While studies have documented the presence of pyrethroid insecticides at acutely toxic concentrations in sediments, little quantitative data on sources exist. Urban runoff, municipal wastewater treatment plants and agricultural drains in California’s Sacramento-San Joaquin River Delta were sampled to understand their importance as contributors of these pesticides to surface waters. Nearly all r...
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تاریخ انتشار 2000