Search Results - "Weisberg, S B"

Assessing ecological integrity in marine waters, using multiple indices and ecosystem components: Challenges for the future by Borja, A., Ranasinghe, A., Weisberg, S.B.

“…During the last decade, there have been substantial scientific advances in the development of indices that measure the condition of biological ecosystem…”
Get full text

Effectiveness of qPCR permutations, internal controls and dilution as means for minimizing the impact of inhibition while measuring Enterococcus in environmental waters by Cao, Y, Griffith, J.F, Dorevitch, S, Weisberg, S.B

“…Aims: Draft criteria for the optional use of qPCR for recreational water quality monitoring have been published in the United States. One concern is that…”
Get full text

A Comparison of Plastic and Plankton in the North Pacific Central Gyre by Moore, C.J, Moore, S.L, Leecaster, M.K, Weisberg, S.B

“…The potential for ingestion of plastic particles by open ocean filter feeders was assessed by measuring the relative abundance and mass of neustonic plastic…”
Get full text

A comparison of neustonic plastic and zooplankton at different depths near the southern California shore by Lattin, G.L., Moore, C.J., Zellers, A.F., Moore, S.L., Weisberg, S.B.

“…Previous studies of neustonic debris have been limited to surface sampling. Here we conducted two trawl surveys, one before and one shortly after a rain event,…”
Get full text

Factors affecting the relationship between quantitative polymerase chain reaction (qPCR) and culture‐based enumeration of Enterococcus in environmental waters by Raith, M.R, Ebentier, D.L, Cao, Y, Griffith, J.F, Weisberg, S.B

“…AIMS: To determine the extent to which discrepancies between qPCR and culture‐based results in beach water quality monitoring can be attributed to: (i)…”
Get full text

Faecal indicator bacteria enumeration in beach sand: a comparison study of extraction methods in medium to coarse sands by Boehm, A.B., Griffith, J., McGee, C., Edge, T.A., Solo‐Gabriele, H.M., Whitman, R., Cao, Y., Getrich, M., Jay, J.A., Ferguson, D., Goodwin, K.D., Lee, C.M., Madison, M., Weisberg, S.B.

“…Aims:  The absence of standardized methods for quantifying faecal indicator bacteria (FIB) in sand hinders comparison of results across studies. The purpose of…”
Get full text

A comparison of neustonic plastic and zooplankton abundance in southern California’s coastal waters by Moore, C.J, Moore, S.L, Weisberg, S.B, Lattin, G.L, Zellers, A.F

“…The density of neustonic plastic particles was compared to that of zooplankton in the coastal ocean near Long Beach, California. Two trawl surveys were…”
Get full text

Composition and Distribution of Beach Debris in Orange County, California by Moore, S.L, Gregorio, D, Carreon, M, Weisberg, S.B, Leecaster, M.K

“…Many studies have quantified debris collected on beaches around the world. Only a few of those studies have been conducted in the United States, and they are…”
Get full text

Comparison of total coliform, fecal coliform, and enterococcus bacterial indicator response for ocean recreational water quality testing by Noble, R.T, Moore, D.F, Leecaster, M.K, McGee, C.D, Weisberg, S.B

“…In July 1999, California's ocean recreational bacterial water quality standards were changed from a total coliform (TC) test to a standard requiring testing…”
Get full text

Benthic Response Index for Assessing Infaunal Communities on the Southern California Mainland Shelf by Smith, R. W., Bergen, M., Weisberg, S. B., Cadien, D., Dalkey, A., Montagne, D., Stull, J. K., Velarde, R. G.

“…Although benthic infaunal communities are commonly measured to assess the effectiveness of environmental management in protecting biological resources, the…”
Get full text

Comparison of bacterial indicator analysis methods in stormwater-affected coastal waters by Noble, R.T, Leecaster, M.K, McGee, C.D, Weisberg, S.B, Ritter, K

“…Membrane filtration (MF) and multiple tube fermentation (MTF) have been used for decades to measure indicator bacteria levels in beach water samples, but new…”
Get full text

Method repeatability for measuring Enterococcus in southern California beach sands by Cao, Y, McGee, C.D, Griffith, J.F, Weisberg, S.B

“…Aims: A recent study that evaluated 22 methods for enumerating faecal indicator bacteria in sand recommended standardization to a preferred method, but all…”
Get full text

Iron as a reference element for determining trace metal enrichment in Southern California coastal shelf sediments by Schiff, K.C, Weisberg, S.B

“…Major and trace elements occur naturally in the environment at levels which are detectable by most ocean monitoring programs. This natural occurrence of metals…”
Get full text

Relationships between Benthic Community Condition, Water Quality, Sediment Quality, Nutrient Loads, and Land Use Patterns in Chesapeake Bay by Dauer, Daniel M., Weisberg, Stephen B., Ranasinghe, J. Ananda

“…Associations between macrobenthic communities, measures of water column and sediment exposure, and measures of anthropogenic activities throughout the…”
Get full text

Patterns and potential drivers of declining oxygen content along the southern California coast by Booth, J. A. T., Woodson, C. B., Sutula, M., Micheli, F., Weisberg, S. B., Bograd, S. J., Steele, A., Schoen, J., Crowder, L. B.

“…Here we examine a 50+ yr data set from a regionally coordinated southern California water quality monitoring program to assess temporal trends and determine…”
Get full text

An Estuarine Benthic Index of Biotic Integrity (B-IBI) for Chesapeake Bay by Weisberg, Stephen B., Ranasinghe, J. Ananda, Dauer, Daniel M., Schaffner, Linda C., Diaz, Robert J., Frithsen, Jeffrey B.

“…A multimetric benthic index of biotic integrity (B-IBI) was developed using data from five Chesapeake Bay sampling programs conducted between 1972 and 1991…”
Get full text

River plume patterns and dynamics within the Southern California Bight by Warrick, J.A., DiGiacomo, P.M., Weisberg, S.B., Nezlin, N.P., Mengel, M., Jones, B.H., Ohlmann, J.C., Washburn, L., Terrill, E.J., Farnsworth, K.L.

“…Stormwater river plumes are important vectors of marine contaminants and pathogens in the Southern California Bight. Here we report the results of a…”
Get full text

Evaluating ecological states of rocky intertidal communities: A Best Professional Judgment exercise by Murray, S.N., Weisberg, S.B., Raimondi, P.T., Ambrose, R.F., Bell, C.A., Blanchette, C.A., Burnaford, J.L., Dethier, M.N., Engle, J.M., Foster, M.S., Miner, C.M., Nielsen, K.J., Pearse, J.S., Richards, D.V., Smith, J.R.

“…•Expert judgment was used to assess the ecological states of rocky shore communities.•Agreement levels were similar to those for soft bottom macroinvertebrate…”
Get full text

Comparability of bioaccumulation within the sanddab guild in coastal Southern California by Allen, M.J, Moore, S.L, Weisberg, S.B, Groce, A.K, Leecaster, M.K

“…Most assessments of fish contamination in Southern California use ecologically different species from different sites. Use of ecologically similar species (a…”
Get full text

Changing anthropogenic influence on the Santa Monica Bay watershed by Dojiri, M, Yamaguchi, M, Weisberg, S B, Lee, H J

“…Santa Monica Bay is an open coastal embayment located directly seaward of Los Angeles, California. The Bay provides vital economic value through its…”
Get full text