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Article
Open AccessCryptosporidium oocyst persistence in agricultural streams –a mobile-immobile model framework assessment
Rivers are a means of rapid and long-distance transmission of pathogenic microorganisms from upstream terrestrial sources. Pathogens enter streams and rivers via overland flow, shallow groundwater discharge, a...
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Article
Open AccessCausal Connections between Water Quality and Land Use in a Rural Tropical Island Watershed
We examined associations between riparian canopy cover, presence or absence of cattle, rainfall, solar radiation, month of year, dissolved oxygen, turbidity, salinity, and Enterococcus concentrations in riparian ...
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Article
Salmonella spp., Vibrio spp., Clostridium perfringens, and Plesiomonas shigelloides in Marine and Freshwater Invertebrates from Coastal California Ecosystems
The coastal ecosystems of California are highly utilized by humans and animals, but the ecology of fecal bacteria at the land–sea interface is not well understood. This study evaluated the distribution of pote...
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Article
Linking on-farm dairy management practices to storm-flow fecal coliform loading for California coastal watersheds
How and where to improve water quality within an agricultural watershed requires data at a spatial scale that corresponds with individual management decision units on an agricultural operation. This is particu...
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Article
Estimating Maximum Possible Environmental Loading Amounts of Cryptosporidium parvum Attributable to Adult Beef Cattle
Populations of beef cattle represent a potential non-point source of environmental contamination for Cryptosporidium parvum if on-farm management practices fail to minimize transport from bovine manure to adjacen...
