Larry Brown (Former Employee)
Science and Products
Filter Total Items: 125
Chinese mitten crab surveys of San Joaquin River basin and Suisun Marsh, California, 2000 Chinese mitten crab surveys of San Joaquin River basin and Suisun Marsh, California, 2000
Juvenile Chinese mitten crabs (Eriocheir sinensis) are known to use both brackish and freshwater habitats as rearing areas. The objectives of this study were to examine the habitat use and potential effects of mitten crabs in the freshwater habitats of the San Joaquin River drainage up-stream of the Sacramento-San Joaquin Delta. After several unsuccessful attempts to catch or observe...
Authors
Jason T. May, Larry R. Brown
Benthic macroinvertebrate assemblages and their relations with environmental variables in the Sacramento and San Joaquin River drainages, California, 1993-1997 Benthic macroinvertebrate assemblages and their relations with environmental variables in the Sacramento and San Joaquin River drainages, California, 1993-1997
Data were collected in the San Joaquin and Sacramento river drainages to evaluate associations between macroinvertebrate assemblages and environmental variables as part of the National Water-Quality Assessment Program of the U.S. Geological Survey. Samples were collected at 53 sites from 1993 to 1995 in the San Joaquin River drainage and in 1996 and 1997 in the Sacramento River drainage
Authors
Larry R. Brown, Jason T. May
Fish community structure in relation to environmental variables within the Sacramento River basin and implications for the greater Central Valley, California Fish community structure in relation to environmental variables within the Sacramento River basin and implications for the greater Central Valley, California
No abstract available.
Authors
Jason T. May, Larry R. Brown
Integrating chemical, water quality, habitat, and fish assemblage data from the San Joaquin River drainage, California Integrating chemical, water quality, habitat, and fish assemblage data from the San Joaquin River drainage, California
No abstract available.
Authors
Larry R. Brown, Charles R. Kratzer, Neil M. Dubrovsky
Water quality in the Sacramento River basin, California, 1994-98 Water quality in the Sacramento River basin, California, 1994-98
This report summarizes major findings about water quality in the Sacramento River basin that emerged from an assessment conducted between 1994 and 1998 by the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program. Water quality is discussed in terms of local and regional issues and compared to conditions found in all 36 NAWQA study areas assessed to date...
Authors
Joseph L. Domagalski, Donna L. Knifong, Peter D. Dileanis, Larry R. Brown, Jason T. May, Valerie Connor, Charles N. Alpers
Fish communities and their associations with environmental variables, lower San Joaquin River drainage, California Fish communities and their associations with environmental variables, lower San Joaquin River drainage, California
Twenty sites in the lower San Joaquin River drainage, California, were sampled from 1993 to 1995 to characterize fish communities and their associations with measures of water quality and habitat quality. The feasibility of developing an Index of Biotic Integrity was assessed by evaluating four fish community metrics, including percentages of native fish, omnivorous fish, fish intolerant...
Authors
L. R. Brown
Science and Products
Filter Total Items: 125
Chinese mitten crab surveys of San Joaquin River basin and Suisun Marsh, California, 2000 Chinese mitten crab surveys of San Joaquin River basin and Suisun Marsh, California, 2000
Juvenile Chinese mitten crabs (Eriocheir sinensis) are known to use both brackish and freshwater habitats as rearing areas. The objectives of this study were to examine the habitat use and potential effects of mitten crabs in the freshwater habitats of the San Joaquin River drainage up-stream of the Sacramento-San Joaquin Delta. After several unsuccessful attempts to catch or observe...
Authors
Jason T. May, Larry R. Brown
Benthic macroinvertebrate assemblages and their relations with environmental variables in the Sacramento and San Joaquin River drainages, California, 1993-1997 Benthic macroinvertebrate assemblages and their relations with environmental variables in the Sacramento and San Joaquin River drainages, California, 1993-1997
Data were collected in the San Joaquin and Sacramento river drainages to evaluate associations between macroinvertebrate assemblages and environmental variables as part of the National Water-Quality Assessment Program of the U.S. Geological Survey. Samples were collected at 53 sites from 1993 to 1995 in the San Joaquin River drainage and in 1996 and 1997 in the Sacramento River drainage
Authors
Larry R. Brown, Jason T. May
Fish community structure in relation to environmental variables within the Sacramento River basin and implications for the greater Central Valley, California Fish community structure in relation to environmental variables within the Sacramento River basin and implications for the greater Central Valley, California
No abstract available.
Authors
Jason T. May, Larry R. Brown
Integrating chemical, water quality, habitat, and fish assemblage data from the San Joaquin River drainage, California Integrating chemical, water quality, habitat, and fish assemblage data from the San Joaquin River drainage, California
No abstract available.
Authors
Larry R. Brown, Charles R. Kratzer, Neil M. Dubrovsky
Water quality in the Sacramento River basin, California, 1994-98 Water quality in the Sacramento River basin, California, 1994-98
This report summarizes major findings about water quality in the Sacramento River basin that emerged from an assessment conducted between 1994 and 1998 by the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Program. Water quality is discussed in terms of local and regional issues and compared to conditions found in all 36 NAWQA study areas assessed to date...
Authors
Joseph L. Domagalski, Donna L. Knifong, Peter D. Dileanis, Larry R. Brown, Jason T. May, Valerie Connor, Charles N. Alpers
Fish communities and their associations with environmental variables, lower San Joaquin River drainage, California Fish communities and their associations with environmental variables, lower San Joaquin River drainage, California
Twenty sites in the lower San Joaquin River drainage, California, were sampled from 1993 to 1995 to characterize fish communities and their associations with measures of water quality and habitat quality. The feasibility of developing an Index of Biotic Integrity was assessed by evaluating four fish community metrics, including percentages of native fish, omnivorous fish, fish intolerant...
Authors
L. R. Brown
*Disclaimer: Listing outside positions with professional scientific organizations on this Staff Profile are for informational purposes only and do not constitute an endorsement of those professional scientific organizations or their activities by the USGS, Department of the Interior, or U.S. Government