Study of microbiological pollution of a pleasure boat harbour using mussels as bioindicators

Guillon-Cottard, I.; Augier, H.; Console, J.J.; Esmieu, O.

doi:10.1016/s0141-1136(97)00128-1

Cited by 14 publications

(4 citation statements)

References 4 publications

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“…The results obtained in this study support the conclusions of other researches in this field (Guillon-Cottard et al 1998;IFREMER 1993) and indicate that mussels may be used in routine microbiological investigations of seawater even in sites where mussels are not naturally present. Given their ability to retain viral particles in their tissues for long periods, they should also be included in virological surveillance programs.…”

Section: Discussionsupporting

confidence: 90%

Detection of Viruses in Coastal Seawater Using Mytilus Galloprovincialis as an Accumulation Matrix

et al. 2012

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The purpose of this study was to demonstrate that shellfish can be used to detect enteric viruses in marine waters where they are present at very low concentrations. Aqua-cultured mussels were placed in the sea just off the mouth of a drainage channel affected by human and animal faecal contamination. Samples were taken from the channel, the sea and the mussels at intervals over two 4-week periods. The samples were tested to verify the presence of both rotaviruses and E. coli. Rotaviruses were detected by Real Time-PCR, typed by multiplex PCR and subsequently sequenced. E. coli was enumerated in water matrices by a filtering method and in mussels by the MPN method. The presence of E. coli in the examined matrices demonstrates contamination of faecal origin throughout the studied environments. Rotaviruses were recorded in channel waters, but not in sea water. In both experiments, rotaviruses were detected in mussels 21 and 28 days after being placed in the sea water off the channel mouth. The use of mussels thus enabled the detection of rotaviruses in waters where the high dilution rendered direct investigation impossible. This study indicates that mussels can be used in marine virological surveillance programs.

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Section: Discussionsupporting

confidence: 90%

Detection of Viruses in Coastal Seawater Using Mytilus Galloprovincialis as an Accumulation Matrix

et al. 2012

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“…Correlation results for individual station fecal coliforms represent 12 sampling dates and for individual station Enterococcus represent 11 sampling dates. Sobsey et al, 2003) or in shellfish (Guillon-Cotard et al, 1998). We have utilized a multifaceted approach to assess sources of fecal contamination to the waters of a popular resort area.…”

Section: Management Actionsmentioning

confidence: 99%

“…The town hosts five marinas, with numerous boats at semipermanent mooring. Harbors and marinas in general have been shown to be focal points of fecal contamination, with concentrations of fecal contamination indicator microbes increasing during the higher occupancy of holiday weekends (Guillon-Cotard et al, 1998;Sobsey et al, 2003); increases in boat usage in general in relatively confined estuarine areas have also increased the microbiological contamination of the water (Faust, 1982). Wrightsville Beach is a popular stopping point in autumn for boaters passing south on the ICW to winter in warmer climes (often referred to as snowbirds) and those returning boaters in the spring.…”

Section: Introductionmentioning

confidence: 99%

Bacterial source tracking guides management of boat head waste in a coastal resort area

Mallin

Haltom

Song

et al. 2010

Journal of Environmental Management

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“…Elevated faecal coliform bacteria counts in estuarine surface waters are associated with multiple forms of anthropogenic disturbances of the adjacent shoreline (Kirby-Smith and Barber 1979;NCDEHNR 1993NCDEHNR , 1994APES 1994, White et al 1999Mallin et al 2000) and wildlife (Presnell and Miescier 1971;Simmons et al 1995;Kirby-Smith 1994;Desper 1997). In the coastal US increasing development and population growth around bays and estuaries has been accompanied by the proliferation of full-sized marinas and increased recreational boating Elevated levels of faecal coliform and Escherichia coli bacteria have been observed associated with these increased activities (Barbaro et al 1969;Cossin et al 1971;Mack and D'Itri 1973;Garreis et al 1979;Fisher et al 1987;NCDEM 1990;Guillion-Cottard et al 1998;Sobsey et al 2003). In 2000, the coastal waters of North Carolina had 227 permitted marinas, defined as having more than 10 boat slips, and 421 permitted boat docking facilities with less than 11 slips (Lopazanski 2000).…”

Section: Introductionmentioning

confidence: 99%

Bacterial contamination associated with estuarine shoreline development

Kirby-Smith

White²

2006

J Appl Microbiol

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Aims: To examine the relationships among increasing estuarine shellfish closings due to bacterial contamination, adjacent shoreline land uses and environmental variables. Methods and Results: A 1 year study of faecal coliform bacterial contamination of a small estuary in central NC, USA was done relative to adjacent land uses. The area has experienced rapid growth in residential shoreline development including the installation of adjacent, separate docking facilities for larger boats, each <11 slips (pseudomarina) that appear to be a single marina (individual facilities of >10 slips). Six near-shore sites were selected [old developed shore (OD), undeveloped shore (UD), two pseudomarinas (P1, P2), newly developed shore (ND) and a real marina (RM)]. Five locations were spaced along the shore near each site. Paired Thursday/Monday samples were collected biweekly (summer) and monthly (other seasons). Results indicate that OD had the highest bacteria counts followed by ND, RM and P1 & P2. Three sites (OD, ND and RM) failed to meet NC shellfishing waters standards at all locations. At the pseudomarina sites 4 of 10 locations failed to meet shellfish standards while two locations at UD failed to meet these standards. There were no significant differences between paired Thursday/Monday samples. At three sites (OD, UD and P2) bacteria counts were positively correlated with increased water level due to wind tides. Conclusions: Any type of estuarine shoreline development may result in closing of adjacent shellfishing waters. ND had bacterial counts second only to OD in spite of the retention of vegetated shoreline buffers and very new septic systems. As expected, the RM also failed to meet shellfish standards. Unexpectedly, only four of the 10 pseudomarina locations failed to meet the standards. Weekend boat use had no effect on bacterial counts. Surface runoff from rain and shoreline flooding from increased water levels increased bacterial counts, probably as a result of suspension of surface deposited faeces from wildlife and domestic animals. Significance and Impact of the Study: Multiple docking facilities do not necessarily result in violations of shellfish water quality standards. However, the elevated bacterial counts observed along the newly developed shore suggest caution in approving the practice of allowing individual 'oyster gardening' off private piers if the oysters are intended for human consumption. The practice of automatic closure of shellfish waters around RMs was supported. Correlations of bacterial counts with time following significant rainfall suggests a sampling strategy to separate local sources of bacteria from more remote sources thus focusing limited remedial resources more effectively. Journal of Applied Microbiology

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Study of microbiological pollution of a pleasure boat harbour using mussels as bioindicators

Cited by 14 publications

References 4 publications

Detection of Viruses in Coastal Seawater Using Mytilus Galloprovincialis as an Accumulation Matrix

Detection of Viruses in Coastal Seawater Using Mytilus Galloprovincialis as an Accumulation Matrix

Bacterial source tracking guides management of boat head waste in a coastal resort area

Bacterial contamination associated with estuarine shoreline development

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