Zobrazeno 1 - 10
of 35
pro vyhledávání: '"Neil M. Dubrovsky"'
Autor:
Kenneth Belitz, Miranda S. Fram, Bruce D. Lindsey, Paul E. Stackelberg, Laura M. Bexfield, Tyler D. Johnson, Bryant C. Jurgens, James A. Kingsbury, Peter B. McMahon, Neil M. Dubrovsky
Publikováno v:
ACS ES&T Water. 2:2645-2656
Autor:
Erin A. Stelzer, Jennifer L. Graham, Guy M. Foster, Neil M. Dubrovsky, Barry H. Rosen, Keith A. Loftin, Lindsey R. King
Publikováno v:
Inland Waters. 10:109-117
Cyanotoxins occur in rivers worldwide but are understudied in lotic ecosystems relative to lakes and reservoirs. We sampled 11 large river sites located throughout the United States during June–Sep...
Publikováno v:
Open-File Report. :1-12
Publikováno v:
The Science of the total environment. 586
Samples collected about one decade apart from 1105 wells from across the U.S. were compiled to assess whether uranium concentrations in the arid climate are linked to changing bicarbonate concentrations in the irrigated western U.S. Uranium concentra
Publikováno v:
Environmental Earth Sciences. 69:2609-2621
A regional assessment of multi-decadal changes in nitrate concentrations was done using historical data and a spatially stratified non-biased approach. Data were stratified into physiographic subregions on the basis of geomorphology and soils data to
Publikováno v:
Environmental Science & Technology. 45:839-844
The virtual ubiquity of fertilizer-fed agriculture, increasing over several decades, has become necessary to support the global human population. Ironically, widespread use of nitrogen (N) has cont...
Publikováno v:
Canadian Journal of Fisheries and Aquatic Sciences. 65:1087-1100
Relations between tissue trace element concentrations and species traits were examined for 45 fish species to determine the extent to which trait-based characteristics accounted for relative differences among species in trace element bioaccumulation.
Publikováno v:
Freshwater Biology. 53:1036-1054
SUMMARY 1. Algal-community metrics were calculated for periphyton samples collected from 976 streams and rivers by the U.S. Geological Survey’s National Water-Quality Assessment (NAWQA) Programme during 1993–2001 to evaluate national and regional
Publikováno v:
Hydrogeology Journal. 15:991-1007
Temporal monitoring of the pesticide 1,2-dibromo-3-chloropropane (DBCP) and nitrate and indicators of mean groundwater age were used to evaluate the transport and fate of agricultural chemicals in groundwater and to predict the long-term effects in t
Publikováno v:
Scopus-Elsevier
Simaaine, diuron, and bromacil are the most frequently detected currently registered pesticides in California groundwater. These herbi- cides bave been used for several decades in Fresno and 'Mare count- ies, California; however, previous data are in