Impact of power plant heated effluent on the abundance of sedentary organisms, off Kalpakkam, East coast of India

Suresh, Kummari; Ahamed, Maruf; Durairaj, G.; Nair, K.V.K.

doi:10.1007/bf00006881

Cited by 27 publications

(14 citation statements)

References 6 publications

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“…Moreover, apart from simply leaving an area, rock-dwelling fish may respond more subtly by changing species distribution (RongQuen et al, 2001). Furthermore, a decrease in habitat complexity due to thermal pollution is also expected to decrease fish richness and benthic cover and increase opportunistic and ephemeral species, thereby changing the population dynamics (Devinny, 1980;Mahadevan, 1980;Verlaque et al, 1981;Bamber & Spencer, 1984;Suresh et al, 1993;Qian et al, 1993;Chou et al, 2004). Besides benthic cover, physical structure is known to influence fish richness because it forms a complex framework that supports a variety of microhabitats, thus increasing richness when increasing complexity (Roberts & Ormond, 1987;Chabanet et al, 1997;Ö hman & Rajasuriya, 1998).…”

Section: Introductionmentioning

confidence: 97%

“…Consequently in tropical oceans, seawater temperatures can rise to 30°C or higher during the summer. Such high temperatures may approximate or even exceed what resident organisms can tolerate (Jokiel & Coles, 1974;Suresh et al, 1993;Wright et al, 2000). Thus, condenser effluents have the potential to trigger thermal and chemical stress (e.g.…”

Section: Introductionmentioning

confidence: 97%

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Thermal impact of a nuclear power plant in a coastal area in Southeastern Brazil: effects of heating and physical structure on benthic cover and fish communities

2012

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The influence of a nuclear power plant's cooling water and physical structure on benthic cover and fish communities were assessed in a coastal area in Southeastern Brazil. We hypothesised that thermal discharges decrease benthic cover and consequently, change the associated rocky reef fish assemblage structure and that physical structure is directly associated with fish richness and diversity. Twelve sites at different distances (close, near and far) from thermal discharge and types of physical structure (low and high) were sampled by visual census. The average surface temperature at the most impacted sites (close) ranged from 30.5 to 31°C, while at far sites it ranged from 25.5 to 28.5°C. Although thermal influences have decreased benthic cover, and consequently, decreased fish richness and diversity, we found that in near and far sites that had complex habitat structures (physical and benthic cover) fish communities were unaffected. The greatest abundances of Eucinostomus argenteus, Mugil curema and Sphoeroides greeleyi were associated with the highest temperatures at the most impacted sites. In contrast, Abudefduf saxatilis, Chaetodon striatus, Stegastes fuscus, Diplodus argenteus and Malacoctenus delalandii were more abundant at high structured sites far from thermal discharges. Our data support the hypothesis that thermal discharge decreases benthic cover, fish richness and diversity but physical structure, when coupled with high diversity and abundant benthic cover, minimised thermal effects on fish communities.

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Section: Introductionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 97%

Thermal impact of a nuclear power plant in a coastal area in Southeastern Brazil: effects of heating and physical structure on benthic cover and fish communities

2012

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“…With the exception of several studies evaluating species composition and thermal tolerances (McMahon ; Cole & Kelly ; Bamber & Spencer ; Suresh et al . ; Lardicci et al . ), few have examined how thermal effluents impact non‐mussel invertebrates.…”

Section: Introductionmentioning

confidence: 99%

Thermal habitat quality of aquatic organisms near power plant discharges: potential exacerbating effects of climate warming

Coulter

Sepúlveda

Troy

et al. 2014

Fisheries Management Eco

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Water temperature strongly affects aquatic ectotherms, as even slight temperature changes can have dramatic effects on physiological rates. Water bodies receiving industrial thermal discharges can undergo dramatic spatial and temporal changes in water temperature. To quantify effects on aquatic ectotherms, thermal habitat quality (bioenergetic growth rate potential; GRP) for zebra mussel, Dreissena polymorpha (Pallas), rusty crayfish, Orconectes rusticus (Girard), walleye, Sander vitreus (Mitchill) and smallmouth bass, Micropterus dolomieu (Lacepède) was estimated near two power plant thermal discharges on the Ohio River, USA, from 2010 to 2012 using bioenergetics models. These results were then compared with GRP under increased base temperatures representing climate warming. Growth rate potential for all species was low near the discharges during summer and highest in winter, with increasing prey consumption minimising the negative effects of increased temperatures. In their immediate vicinity, thermal discharges had a more adverse effect on GRP than plausible climate warming but primarily affected GRP over a small spatial area, particularly within 400 m downstream from the power plants. Examining thermal habitat suitability will become increasingly important as rising energy demand and climate change collectively affect aquatic organisms and their habitats.

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“…Scientists can also monopolize on already existing warm water effluents, such as emission of heated cooling water from power plants (e.g., [44][45][46][47][48][49]). If information on base-line levels is available from surveys conducted before construction, the effects of the temperature increase can be evaluated based on comparisons with more current situations as estimated from monitoring programs of recipient areas [49].…”

Section: Experimental Temperature Manipulation In the Wildmentioning

confidence: 99%

To What Extent Can Existing Research Help Project Climate Change Impacts on Biodiversity in Aquatic Environments? A Review of Methodological Approaches

Forsman

Berggren

Åström

et al. 2016

JMSE

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Abstract:It is broadly accepted that continued global warming will pose a major threat to biodiversity in the 21st century. But how reliable are current projections regarding consequences of future climate change for biodiversity? To address this issue, we review the methodological approaches in published studies of how life in marine and freshwater environments responds to temperature shifts. We analyze and compare observational field surveys and experiments performed either in the laboratory or under natural conditions in the wild, the type of response variables considered, the number of species investigated, study duration, and the nature and magnitude of experimental temperature manipulations. The observed patterns indicate that, due to limitations of study design, ecological and evolutionary responses of individuals, populations, species, and ecosystems to temperature change were in many cases difficult to establish, and causal mechanism(s) often remained ambiguous. We also discovered that the thermal challenge in experimental studies was 10,000 times more severe than reconstructed estimates of past and projections of future warming of the oceans, and that temperature manipulations also tended to increase in magnitude in more recent studies. These findings raise some concerns regarding the extent to which existing research can increase our understanding of how higher temperatures associated with climate change will affect life in aquatic environments. In view of our review findings, we discuss the trade-off between realism and methodological tractability. We also propose a series of suggestions and directions towards developing a scientific agenda for improving the validity and inference space of future research efforts.

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Impact of power plant heated effluent on the abundance of sedentary organisms, off Kalpakkam, East coast of India

Cited by 27 publications

References 6 publications

Thermal impact of a nuclear power plant in a coastal area in Southeastern Brazil: effects of heating and physical structure on benthic cover and fish communities

Thermal impact of a nuclear power plant in a coastal area in Southeastern Brazil: effects of heating and physical structure on benthic cover and fish communities

Thermal habitat quality of aquatic organisms near power plant discharges: potential exacerbating effects of climate warming

To What Extent Can Existing Research Help Project Climate Change Impacts on Biodiversity in Aquatic Environments? A Review of Methodological Approaches

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