Establishing limits to aquaculture in a protected coastal lagoon: Impact of Farfantepenaeus paulensis pens on water quality, sediment and benthic biota

Rodríguez-Gallego, Lorena; Meerhoff, Erika; Poersch, Luís; Aubriot, Luis; Fagetti, Carlos; Vitancurt, Javier; Conde, Daniel

doi:10.1016/j.aquaculture.2007.12.003

Cited by 13 publications

(6 citation statements)

References 28 publications

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“…For fish farming this would be represented by the conditions prior to farm establishment or when no fish are present in pens. This method is sometimes described as the BACI (Before-After-Control-Impact) design (Stewart-Oaten et al 1986, Underwood 1991 and has been used in some studies of ecology and aquaculture (Rodrí guez- Gallego et al 2008). Baseline data can also be used to validate reference stations, as in the Norwegian case study.…”

Section: Ambient Environmental Conditionsmentioning

confidence: 99%

“…For cage aquaculture studies in developed coastal regions, it may be extremely difficult to find reference sites, remote enough from other aquaculture operations or other anthropogenic sources, while still reflective of farmexposed hydrodynamics (Troell et al 2003). Where baseline data are unavailable, sampling of multiple reference sites can be a powerful assessment tool to help ensure ambient spatial variability is captured (Fernandes et al 2001, Merceron et al 2002, Yucel-Gier et al 2007, Rodríguez-Gallego et al 2008. However, many studies have only a single reference location, presumably due to practical constraints.…”

Section: Data Analysis and Interpretationmentioning

confidence: 99%

See 1 more Smart Citation

Discrete water quality sampling at open-water aquaculture sites: limitations and strategies

Jansen¹,

Reid²,

Bannister³

et al. 2016

Aquacult. Environ. Interact.

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While environmental performance of cage-based aquaculture is most often monitored through benthic conditions, there may also be requirements that necessitate discrete, pelagic sampling. In the pelagic realm, adequately capturing the spatial and temporal dynamics of interest and attributing causality to aquaculture processes can be extremely challenging. Conditions are seldom ideal, and data adequacy concerns of discrete samples collected at open-water aquaculture sites are not uncommon. Further exploration of these challenges is needed. Herein, we aim to explore considerations for study design, analysis, and data interpretation of discrete pelagic sampling. As examples, we present 2 case studies where limited sampling occurred under conditions of complex pelagic dynamics. A Norwegian case study quantified particle abundance around salmon farms, and aimed to highlight the effects of spatial−temporal variation on sampling design, the need for inclusion of companion parameters, and the benefits of a priori and a posteriori data interpretation strategies. A Canadian case study collected discrete samples to measure ammonium concentrations with continuous current measurements at an Integrated Multi-Trophic Aquaculture (IMTA) farm, to explore issues of complex hydrodynamics, reference site suitability, sampling resolution, data pooling, and post hoc power tests. We further discuss lessons learned and the implications of study design, ambient conditions, physical processes, farm management, statistical analysis, companion parameters, and the potential for confounding effects. Pragmatic consideration of these aspects will ultimately serve to better frame the costs and benefits of discrete pelagic sampling at open-water aquaculture sites.

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Section: Ambient Environmental Conditionsmentioning

confidence: 99%

Section: Data Analysis and Interpretationmentioning

confidence: 99%

Discrete water quality sampling at open-water aquaculture sites: limitations and strategies

Jansen¹,

Reid²,

Bannister³

et al. 2016

Aquacult. Environ. Interact.

View full text Add to dashboard Cite

show abstract

“…One of the major problems associated with aquaculture prac tices is the release of several amounts of wastes with different detrimental environmental consequences: (1) sediment organic enrichment due to settlement of particulate organic matter from uneaten feed and excretion products (Haya et al, 2001;Cromey et al, 2002;Vezzulli et al, 2002Vezzulli et al, , 2003Maldonado et al, 2005;Corner et al, 2006;Cranford et al, 2009b;Carvalho et al, 2010); (2) eutrophication, increased turbidity of water column, and toxic blooms (Haya et al, 2001;Dalsgaard and Krause-Jensen, 2006;Sorokin et al, 2006); (3) changes in benthic flora and fauna with potential implications in trophic webs (Karakassis et al, 2000;Brooks et al, 2003;Macleod et al, 2004;Edgar et al, 2005;Vizzini et al, 2005;Carvalho et al, 2007aCarvalho et al, , 2007bHolmer and Frederiksen, 2007;Pérez et al, 2008;Rodríguez-Gallego et al, 2008;Carvalho et al, 2009); (4) chemical contamination of marine environment due to excessive use of feed additives (e.g., fish oils, pigments, and vitamins), veterinary medicines (e.g., antibiotics, vaccines, and anesthetics), construction mate rials, and disinfectants (e.g., paints and antifoulants) (Pillay, 2004;Cabello, 2006;Serpa and Duarte, 2008 and references therein); and (5) increased potential for occurrence of diseases (Haya et al, 2001). Initially, organic enrichment of the seabed may have positive consequences in benthic communities by providing increasing food resources (Tett, 2008).…”

Section: Changes On Sediment and Water-column Dynamics And Processesmentioning

confidence: 99%

Restoring Coastal Ecosystems from Fisheries and Aquaculture Impacts

Gaspar

Carvalho

Cúrdia

et al. 2011

Treatise on Estuarine and Coastal Science

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“…Some studies have been conducted to evaluate possible impacts of the organic pollution caused by shrimp farms in mangrove areas (TROTT; McKINNON et al, 2002;CONSTANZO et al, 2004;SOARES et al, 2004;RODRIGUEZ-GALLEGO et al, 2008;THOMAS et al, 2010;MOLNAR et al, 2013). In those studies planktonic and benthic organisms (mostly macrofauna) were used as indicators of environmental stress.…”

Section: Introductionmentioning

confidence: 99%

Nematodes as indicators of shrimp farm impact on an amazonian estuary (Curuçá, Pará, Brazil)

Venekey

Melo

2016

Braz. j. oceanogr.

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Shrimp farming reduces demand on wild fishery stocks and avoids environmental damage resulting from fishing practices, however, it has the potential to affect the water quality if not properly managed. In this study the impacts of a shrimp farm in an Amazonian estuary were evaluated, focusing on changes in nematodes regarding taxonomic composition, richness, density and diversity. Sampling was conducted in August 2004 (dry season) and January 2005 (rainy season) in the river at stations situated upstream and downstream at different distances from the main source of farm effluent discharge. Thirty-eight genera were recorded with Terschellingia dominating in the dry season and Terschellingia, Daptonema, Ptycholaimellus and Gomphionema in the rainy season. Abundances were within the range recorded in other estuaries and together with genera richness and diversity showed a strong temporal pattern with significantly higher values in the rainy season. No clear patterns of changes were observed at the stations. Some signs of organic enrichment were detected but they were not yet intense, probably a consequence of the strong local hydrodynamics and the age of the shrimp farm, which was just starting its operation. We recommend that in future studies on farming impacts a combination of factors, beyond the physical and chemical parameters of the water and sediments or taxonomic refinement, should be taken into accountsuch as the duration of the operation of the farm, the area occupied by ponds and the farm's production. Furthermore, we also believe that nematodes are a useful tool for evaluating aquaculture impacts due to the ease of sampling and because they are organisms at the base of marine food chain. A carcinocultura reduz a demanda de estoques pesqueiros naturais e evita o dano ambiental resultante da pesca. Entretanto, tem o potencial de afetar a qualidade da água quando não manejada apropriadamente. Nesse trabalho, os impactos de uma fazenda de carcinocultura foram avaliados em um estuário amazô-nico focando nas mudanças de composição taxonô-mica, riqueza, densidade e diversidade de Nematoda. A amostragem ocorreu em agosto de 2004 (período seco) e janeiro de 2005 (período chuvoso) a montante e jusante em locais situados a diferentes distâncias do principal local de descarga de efluentes da fazenda. Trinta e oito gêneros foram encontrados, com dominância de Terschellingia na estação seca e Terschellingia, Daptonema, Ptycholaimellus e Gomphionema na estação chuvosa. As abundâncias foram similares às encontradas em outros estuários e, juntamente com a riqueza e diversidade, apresentaram um forte padrão sazonal com valores significativamente maiores na estação chuvosa. Nas estações de coleta não foram encontrados padrões claros de mudanças. O estuário de Curuçá mostrou alguns sinais de enriquecimento orgânico ainda não intensos, provavelmente devido à forte hidrodinâmica local e à idade da fazenda, que recentemente começou suas atividades. Recomenda-se que no futuro os trabalhos sobre impactos de cultivo, além dos pa...

show abstract

Establishing limits to aquaculture in a protected coastal lagoon: Impact of Farfantepenaeus paulensis pens on water quality, sediment and benthic biota

Cited by 13 publications

References 28 publications

Discrete water quality sampling at open-water aquaculture sites: limitations and strategies

Discrete water quality sampling at open-water aquaculture sites: limitations and strategies

Restoring Coastal Ecosystems from Fisheries and Aquaculture Impacts

Nematodes as indicators of shrimp farm impact on an amazonian estuary (Curuçá, Pará, Brazil)

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