The Use of Molluscs to Monitor Cadmium Levels in Estuaries and Coastal Marine Environments

Darracott, Ann; Watling, H.R.

doi:10.1080/00359197509519447

Cited by 42 publications

(10 citation statements)

References 28 publications

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“…On the other hand, the lowest mean values of the studied heavy metals were away from industrial activity and human impacts (Station v). There have been many suggestions that molluscs can be used as monitors of contamination by trace metals in aquatic environments (Shuster and Pringle, 1968;Boyden, 1974;Darracott and Watling, 1975).…”

Section: Heavy Metals In Sedimentsmentioning

confidence: 99%

Heavy metals in seawater, sediments and marine organisms in the Gulf of Chabahar, Oman Sea

Bazzi¹

2014

J. Oceanogr. Mar. Sci.

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Section: Heavy Metals In Sedimentsmentioning

confidence: 99%

Heavy metals in seawater, sediments and marine organisms in the Gulf of Chabahar, Oman Sea

Bazzi¹

2014

J. Oceanogr. Mar. Sci.

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“…The seasonal change in the wind directions in False Bay from southeasterly to northwesterly during summer and winter respectively (Darracott & Watling 1975), combined with the fluctuation in rainfall, may to some extent account for seasonal variations in Cd concentrations in the water and therefore also in the intertidal invertebrates. Increased runoff associated with the higher amount of rainfall during winter may result in the mobilization of the metal from diffuse sources (Neal et al 2000) and can contribute to the higher concentrations of Cd in the sediments during winter.…”

Section: Discussionmentioning

confidence: 99%

Spatial and Temporal Variation in Cadmium Body Loads of Four Intertidal Invertebrates from False Bay, South Africa

2012

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Increasing urbanization and industrialization along the coastal areas of False Bay in SouthAfrica can endanger coastal ecosystems because of increasing metal pollution. To obtain baseline data on contamination levels in the intertidal zone, cadmium (Cd) body loads of four invertebrate species were measured seasonally over a period of 15 months from different sites within the bay. Specimens of Tetraclita serrata (barnacle), Oxystele sinenses (periwinkle), Cymbula oculus (limpet) and Choromytilus meridionalis (mussel) were collected and analysed to determine temporal changes in Cd body burdens. Cd concentrations were also measured in water and sediments. Cd concentrations in the intertidal animals varied considerably between sampling sites and between seasons and also occasionally between species. All four species accumulated Cd in their bodies to levels several times higher than environmental concentrations. No significant difference could be shown between the Cd concentrations in the gastropod grazers and the filter-feeders. The highest mean body load of Cd (70.67 µg/g dry weight) for a single sampling occasion was measured in the sessile barnacles (T. serrata) collected at Rooi-Els. The highest mean Cd concentration (11.95 µg/g) for the bay as a whole was measured in the limpet C. oculus. Two-way analysis of variance indicated that spatial (location) rather than temporal (seasonal) factors affected Cd concentrations in the invertebrates. Cd concentrations in False Bay sometimes exceeded the norms or water quality standards.

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“…They are also used to monitor the effect of climate change. Although the majority of studies have used M. edulis as a sentinel organism to measure the presence of contaminants in marine ecosystems, several studies have used A. ater for assessing exposure and effect of pollutants in mussels [37]. In Northern Patagonia, where A. ater forms extensive beds on the rocky shores along the Patagonian coast of Argentina [38], this species has been used to monitor levels of metals (Fe, Cd, Zn, etc.)…”

Section: A Ater As a Sentinel Organisms For Marine Ecosystemsmentioning

confidence: 99%

“…Measurement of the enzymatic activity of acetylcholinesterase present in the hemolymph has also shown to be potentially useful to detect the presence of low concentrations of organophosphate pesticides. Furthermore, A. ater has also been used for assessing the presence of cadmium in polluted marine environments on a more than 2000-kilometer-long coastline that extends from Walvis Bay in Namibia to Port Alfred on the coastline of South Africa [37]. In Chile and Argentina, A. ater is often used as a sentinel species to detect the bioaccumulation of pollutants, such as copper or cadmium, or toxic chemicals at different sites or following seasonal variations [14,[41][42][43][44].…”

Section: A Ater As a Sentinel Organisms For Marine Ecosystemsmentioning

confidence: 99%

Biomonitoring Climate Change and Pollution in Marine Ecosystems: A Review onAulacomya ater

Caza

Cledón

St‐Pierre

2016

Journal of Marine Biology

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The sedentarism and wide global distribution of the blue musselMytilus edulishave made it a useful bioindicator to assess changes in the health status of the marine ecosystem in response to pollution and other environmental stresses. Effective biomonitoring of an ecosystem requires, however, that multiple biomarkers be used to obtain an accurate measure of the cumulative effects of different sources of environmental stress. Here, we provide a first integrated review of the biological, economical, and geographical characteristics of another species of mussels, the ribbed musselAulacomya ater. We discuss the use ofAulacomya ateras a complementary biomonitor to the blue mussel to assess the impact of pollutants and climate change. Recent findings have indeed shown thatMytilus edulisandAulacomya aterhave distinctive anatomy and physiology and respond differently to environmental stress. Monitoring of mixed beds containing blue and ribbed mussels may thus represent a unique opportunity to study the effect of environmental stress on the biodiversity of marine ecosystems, most notably in the Southern hemisphere, which is particularly sensitive to climate change and where both species often cohabitate in the same intertidal zones.

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The Use of Molluscs to Monitor Cadmium Levels in Estuaries and Coastal Marine Environments

Cited by 42 publications

References 28 publications

Heavy metals in seawater, sediments and marine organisms in the Gulf of Chabahar, Oman Sea

Heavy metals in seawater, sediments and marine organisms in the Gulf of Chabahar, Oman Sea

Spatial and Temporal Variation in Cadmium Body Loads of Four Intertidal Invertebrates from False Bay, South Africa

Biomonitoring Climate Change and Pollution in Marine Ecosystems: A Review onAulacomya ater

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