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Chapter 8 Microbial indicators
2003Abstract Micro-organisms are present in high amounts in all kinds of environments and play key roles in important ecosystem functions such as decomposition and nutrient cycling. Their small size and high surface to volume ratio causes a high affinity for very low concentrations of substances .
Jaap Bloem, Anton M. Breure
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Wetland management using microbial indicators
Ecological Engineering, 2017Abstract The use of biological indicators to monitor the health and functioning of wetlands has been an ongoing goal of wetland scientists and managers, and has focused primarily on monitoring the changes in macroorganisms, due to the relative ease of identifying and counting them.
Hidetoshi Urakawa, Anne E. Bernhard
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Microbial Indicators of Eutrophication in Everglades Wetlands
Soil Science Society of America Journal, 2009Nutrient loading has been implicated as a major cause of ecological changes in Everglades wetlands. The main objective of this study was to assess changes in microbial indicators in response to nutrient loading across the Everglades landscape. Soil chemical, physical, and microbial properties were measured for nutrient‐impacted and oligotrophic sites ...
Alan L. Wright +2 more
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Correlating Cryptosporidium and Giardia with microbial indicators
Journal AWWA, 1995As in other areas of North America, Cryptosporidium oocysts and Giardia cysts were ubiquitous in surface waters of the Ottawa, Canada, region, although the rivers studied are considered relatively pristine.Concentrations of Cryptosporidium oocysts, Giardia cysts, fecal and total coliforms, fecal streptococci, Aeromonas sp., Pseudomonas aeruginosa ...
Christian Chauret +5 more
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Microbial contamination as an indicator of sewer leakage
Water Research, 1991Abstract The presence of several physiological groups of microorganisms (general aerobic bacteria, amylolytic bacteria, denitrifying bacteria, actinomycetes and fungi) was investigated in wastewater, seepage water, and soil samples in areas of sewer leakage.
Halim Dizer, Ulrich Hagendorf
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Microbial Indicators of Bioremediation: Potential and Success
2021The human race has been involved in lot many activities on energy reservoirs, seeking the commercialization of agriculture and swift in industrial growth apart from mining activities, which has led to environmental pollution by many folds. There are a number of reasons for this environmental pollution; ingress of heavy metals into ecosystem, nuclear ...
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[The problems of microbial indication of water quality].
Zentralblatt fur Hygiene und Umweltmedizin = International journal of hygiene and environmental medicine, 1990In three experimental series the reliability of contemporary microbial indicators has been verified. It was shown that about 30% colonies growing on the Endomedium belongs not to family Enterobacteriaceae. The share of the so-called faecal coliforms growing at 44 degrees C is 54.6%. In comparison with the initial cultivations at the second passage this
R, Adámek +3 more
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Indicators of microbial water quality
2001Current guidelines in the three water-related areas (drinking water, wastewater and recreational water) assess quality, in microbiological terms, by measuring indicator organisms. This chapter looks at the history and examines some of the methods used to assess the microbiological quality of water, highlighting the current limitations and also possible
Grabow, Willie O.K. +2 more
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Indicators of Food Microbial Quality and Safety
1992Indicator organisms may be employed to reflect the microbiological quality of foods relative to product shelf life or their safety from foodborne pathogens. In general, indicators are most often used to assess food sanitation, and most of this chapter treats them in this context: however, quality indicators may be used, and some general aspects of this
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Relationship between microbial numbers and other microbial indices in soil
Bulletin of Environmental Contamination and Toxicology, 1989S P, Kale, K, Raghu
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