Short-Term Effects of Rapid Salinity Reduction on Seed Clams (Mercenaria Mercenaria)

Baker, Shirley M.; Baker, Patrick; Heuberger, David; Sturmer, Leslie

doi:10.2983/0730-8000(2005)24[29:seorsr]2.0.co;2

Cited by 10 publications

(2 citation statements)

References 10 publications

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“…This was closely tied to the hard clams' osmoregulation mechanism. Clams that live in more salinized settings need and consume more water to keep their bodies in balance (Baker et al, 2005;Lin et al, 2016). If the water has been contaminated with heavy metals, this is consistent with the rise in the concentration of heavy metals in their bodies.…”

Section: Figurementioning

confidence: 76%

Polystyrene as a vector of heavy metals in hard clam Meretrix lusoria under various salinities

Barus

Zhu²,

Cheuch³

et al. 2023

Front. Mar. Sci.

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Microplastics and heavy metals are the two main contaminants that are often found in aquatic environments and can lead to major issues for aquatic organisms. Polystyrene (PS) is a type of microplastic that is commonly found in aquatic environments. Hard clams are one of the organisms that are often used as a bioindicator of water pollution, and they can live in a certain salinity range. The objective of this study is to investigate the potential of PS particles as heavy metal vectors in M. lusoria influenced by differences in salinity. The result showed that the highest increase in concentrations of all heavy metals in hard clams was found in those placed at higher salinities. Hard clams that were placed at higher salinity required more water, allowing more PS particles to enter the clams’ bodies. Hard clams placed at salinity 30‰ always gathered significantly more PS particles (p<0.05) than hard clams placed at the other two salinities (20 and 25‰). This is also corroborated by water depletion at a salinity of 30‰, which is significantly higher (p<0.05) than the other two salinities. Our findings indicate that PS particles have the potential as vectors for heavy metal pollutants in hard clams in environments of varying salinity.

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Section: Figurementioning

confidence: 76%

Polystyrene as a vector of heavy metals in hard clam Meretrix lusoria under various salinities

Barus

Zhu²,

Cheuch³

et al. 2023

Front. Mar. Sci.

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show abstract

“…For example, Ahmed (2013), reported negative effects on the production performance of freshwater prawns at higher salinity. Baker et al (2005) reported increased mortality in juvenile clams, while (Rodrick, 2008) reported increased susceptibility to bacterial invasion in oysters at lower water salinity. Furthermore, Rodrick (2008) observed that variations in salinity may affect the immune system of oysters, particularly the ability of hemocytes (blood cells) to resist foreign bacterial invasion.…”

Section: Changes In Sea Surface Salinitymentioning

confidence: 99%

Climate Change Effects on Aquaculture Production: Sustainability Implications, Mitigation, and Adaptations

Maulu¹,

Hasimuna²,

Haambiya³

et al. 2021

Front. Sustain. Food Syst.

181

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Aquaculture continues to significantly expand its production, making it the fastest-growing food production sector globally. However, the sustainability of the sector is at stake due to the predicted effects of climate change that are not only a future but also a present reality. In this paper, we review the potential effects of climate change on aquaculture production and its implications on the sector's sustainability. Various elements of a changing climate, such as rising temperatures, sea-level rise, diseases and harmful algal blooms, changes in rainfall patterns, the uncertainty of external inputs supplies, changes in sea surface salinity, and severe climatic events have been discussed. Furthermore, several adaptation options have been presented as well as some gaps in existing knowledge that require further investigations. Overall, climate change effects and implications on aquaculture production sustainability are expected to be both negative and positive although, the negative effects outweigh the positive ones. Adapting to the predicted changes in the short-term while taking mitigation measures in the long-term could be the only way toward sustaining the sector's production. However, successful adaptation will depend on the adaptive capacity of the producers in different regions of the world.

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Continuous water quality monitoring for the hard clam industry in Florida, USA

Bergquist

Heuberger

Sturmer

et al. 2008

Environ Monit Assess

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In 2000, Florida's fast-growing hard clam aquaculture industry became eligible for federal agricultural crop insurance through the US Department of Agriculture, but the responsibility for identifying the cause of mortality remained with the grower. Here we describe the continuous water quality monitoring system used to monitor hard clam aquaculture areas in Florida and show examples of the data collected with the system. Systems recording temperature, salinity, dissolved oxygen, water depth, turbidity and chlorophyll at 30 min intervals were installed at 10 aquaculture lease areas along Florida's Gulf and Atlantic coasts. Six of these systems sent data in real-time to a public website, and all 10 systems provided data for web-accessible archives. The systems documented environmental conditions that could negatively impact clam survival and productivity and identified biologically relevant water quality differences among clam aquaculture areas. Both the real-time and archived data were used widely by clam growers and nursery managers to make management decisions and in filing crop loss insurance claims. While the systems were labor and time intensive, we recommend adjustments that could reduce costs and staff time requirements.

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Short-Term Effects of Rapid Salinity Reduction on Seed Clams (Mercenaria Mercenaria)

Cited by 10 publications

References 10 publications

Polystyrene as a vector of heavy metals in hard clam Meretrix lusoria under various salinities

Polystyrene as a vector of heavy metals in hard clam Meretrix lusoria under various salinities

Climate Change Effects on Aquaculture Production: Sustainability Implications, Mitigation, and Adaptations

Continuous water quality monitoring for the hard clam industry in Florida, USA

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