ArticleApplied and environmental microbiology2004
Dispersion and transport of Cryptosporidium Oocysts from fecal pats under simulated rainfall events.
Article in Applied and environmental microbiology, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
18 citing papers in PubMed.
- Climate-Sensitive Redistribution of Veterinary Parasites: An Attribution Framework for One Health Surveillance and Control.Biology · 2026Review
- Severe weather events and cryptosporidiosis in Aotearoa New Zealand: A case series of space-time clusters.Epidemiology and infection · 2024Article
- Infectious Disease Sensitivity to Climate and Other Driver-Pressure Changes: Research Effort and Gaps for Lyme Disease and Cryptosporidiosis.GeoHealth · 2023Review
- Environmental Factors Associated withPathogens (Basel, Switzerland) · 2023Review
- A Review of Potential Public Health Impacts Associated With the Global Dairy Sector.GeoHealth · 2020Review
- Colloidal mobilization from soil and transport of uranium in (sub)-surface waters.Environmental science and pollution research international · 2019Article
- Detection of hepatitis E virus and other livestock-related pathogens in Iowa streams.The Science of the total environment · 2016Article
- Elevation and vegetation determine Cryptosporidium oocyst shedding by yellow-bellied marmots (Marmota flaviventris) in the Sierra Nevada Mountains.International journal for parasitology. Parasites and wildlife · 2015Article
- Epidemiology and molecular characterization of Cryptosporidium spp. in humans, wild primates, and domesticated animals in the Greater Gombe Ecosystem, Tanzania.PLoS neglected tropical diseases · 2015Article
- Agricultural landscape and spatial distribution of Toxoplasma gondii in rural environment: an agent-based model.International journal of health geographics · 2014Article
- Fate and transport of Toxoplasma gondii oocysts in seasonally snow covered watersheds: a conceptual framework from a melting snowpack to the Canadian arctic coasts.International journal of environmental research and public health · 2013Review
- Hydrologic and vegetative removal of Cryptosporidium parvum, Giardia lamblia, and Toxoplasma gondii Surrogate microspheres in coastal wetlands.Applied and environmental microbiology · 2013Article
- Prevalence, environmental loading, and molecular characterization of Cryptosporidium and Giardia isolates from domestic and wild animals along the Central California Coast.Applied and environmental microbiology · 2012Article
- Climate and on-farm risk factors associated with Giardia duodenalis cysts in storm runoff from California coastal dairies.Applied and environmental microbiology · 2007Article
- Faecal coliforms in bivalve harvesting areas of the Alvor lagoon (southern Portugal): influence of seasonal variability and urban development.Environmental monitoring and assessment · 2007Article
- Effect of bovine manure on fecal coliform attachment to soil and soil particles of different sizes.Applied and environmental microbiology · 2007Article
- Interaction of Escherichia coli and soil particles in runoff.Applied and environmental microbiology · 2006Article
- Erosion and subsequent transport state of Escherichia coli from cowpats.Applied and environmental microbiology · 2005Article
Corrections and comments
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Authors and funding
7 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The dispersion and initial transport of Cryptosporidium oocysts from fecal pats were investigated during artificial rainfall events on intact soil blocks (1,500 by 900 by 300 mm). Rainfall events of 55 mm h(-1) for 30 min and 25 mm h(-1) for 180 min were applied to soil plots with artificial fecal pats seeded with approximately 10(7) oocysts. The soil plots were divided in two, with one side devoid of vegetation and the other left with natural vegetation cover. Each combination of event intensity and duration, vegetation status, and degree of slope (5 degrees and 10 degrees ) was evaluated twice. Generally, a fivefold increase (P < 0.05) in runoff volume was generated on bare soil compared to vegetated soil, and significantly more infiltration, although highly variable, occurred through the vegetated soil blocks (P < 0.05). Runoff volume, event conditions (intensity and duration), vegetation status, degree of slope, and their interactions significantly affected the load of oocysts in the runoff. Surface runoff transported from 10(0.2) oocysts from vegetated loam soil (25-mm h(-1), 180-min event on 10 degrees slope) to up to 10(4.5) oocysts from unvegetated soil (55-mm h(-1), 30-min event on 10 degrees slope) over a 1-m distance. Surface soil samples downhill of the fecal pat contained significantly higher concentrations of oocysts on devegetated blocks than on vegetated blocks. Based on these results, there is a need to account for surface soil vegetation coverage as well as slope and rainfall runoff in future assessments of Cryptosporidium transport and when managing pathogen loads from stock grazing near streams within drinking water watersheds.
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