The darker hydrologic regions indicate watershed boundaries belonging to the Mississippi River drainage. Symbol sizes show relative toxin concentrations based on 5 quantile data distributions, with each symbol size representing 20% of the dataset. Yellow symbols (not all are visible on the map) ...
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Monitoring Regulation (UCMR), an authority that allows the USEPA to gather occurrence data from all public water systems (PWS) serving > 10,000 people, and a representative sample of PWSs serving 10,000 or fewer people, for no more than 30 contaminants in five-year cycles (USEPA, 2012a...
Since 1988, a network of lakes and streams has been monitored in areas of the UK sensitive to surface water acidification. Analysis of 10 years data has focused on the identification and quantification of time-trends in chemical parameters, to establish whether declines in emission of acidifying p...
aAdequate data now exist to show that soils, waters, and plants are beginning to show evidence of changes from nitrogen deposition. 充分数据现在存在表示,土壤、水和植物开始显示证据从氮气证言的变动。[translate]
DISTRIBUTION AND ECOLOGY OF VIBRIO-VULNIFICUS AND OTHER LACTOSE-FERMENTING MARINE VIBRIOS IN COASTAL WATERS OF THE SOUTHEASTERN UNITED-STATES An algorithm suitable for the determination of chlorophyll and suspended sediment concentrations in coastal waters from Thematic Mapper data has been obtai... OLIVER...
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Studies, Lund University, Lund, Sweden Subglacial lakes beneath the Vatnajo¨ kull ice cap in Iceland host endemic communities of microorganisms adapted to cold, dark and nutrient-poor waters, but the mechanisms by which these microbes disseminate under the ice and colonize these lakes are unknown...
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