Some aspects of water filtering activity of filter-feeders

Остроумов, С. А.

doi:10.1007/s10750-004-1875-1

Cited by 58 publications

(24 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The gradual increase in environmental eutrophication resulting from mariculture effluents represents a major issue imposing an urgent need to mitigate this negative impact to the marine ecosystem [24,25]. Bioremediation represents a valid solution, particularly in integrated multi-trophic aquaculture systems, where bioremediator organisms are employed providing the final self-purification [5], and transforming the wastes into useful biomass [2]. In the present study, we utilized an integrated bioremediation approach to realize an IMTA system involving polychaetes and macroalgae reared/cultivated in association with fish cages, achieving, for both organisms, consistent amounts of biomass, and opening several other interesting new horizons.…”

Section: Discussionmentioning

confidence: 99%

Integrated Multitrophic Aquaculture By-Products with Added Value: The Polychaete Sabella spallanzanii and the Seaweed Chaetomorpha linum as Potential Dietary Ingredients

et al. 2019

View full text Add to dashboard Cite

Aquaculture expansion is limited by the negative environmental impact of the waste and the need for alternative sources in the diet of reared fish. In this framework, for the first time, the survival rates, biomass gain, and fatty acid profiles of the polychaete Sabella spallanzanii and the macroalga Chaetomorpha linum, reared/cultivated as bioremediators in an integrated multitrophic aquaculture system (IMTA), were evaluated for their potential reuse applications. Results showed that these organisms represent a natural source of omega-3 and omega-6. On account of the overall results and the high biomass obtained as by-products, a preliminary study was performed employing both S. spallanzanii and C. linum as new dietary ingredients to feed different sized Dicentrarchus labrax. Fish survival rate, biomass growth, and specific growth rate were determined resulting in no significant differences between control and treated fishes. Histological analyses showed no alterations of the stomach tunica mucosa and submucosa in treated fishes. The eco-friendly approaches applied in the here-realized IMTA system could guarantee the achievement of sustainable by-products represented by the bioremediators S. spallanzanii and C. linum, as well as their reliability as a natural source of compounds beneficial to fish and human health.

show abstract

Section: Discussionmentioning

confidence: 99%

Integrated Multitrophic Aquaculture By-Products with Added Value: The Polychaete Sabella spallanzanii and the Seaweed Chaetomorpha linum as Potential Dietary Ingredients

et al. 2019

View full text Add to dashboard Cite

show abstract

“…For example, they can improve the water quality of the ecosystems due to their filter-feeding capacity to mitigate the effects of eutrophication (Valli et al 1994, Ostroumov 2005, Coen et al 2007, Lindahl and Kollberg 2009. Bivalves also promote the structures of ecosystems with their biomass, skeletons and burrowing activity (Dame 1996) and therefore contribute to the increase in habitat heterogeneity for fishs and invertebrates (Gutiérrez et al 2003, Coen et al 2007).…”

Section: Introductionmentioning

confidence: 99%

Reproduction and size at first maturity in a Mediterranean exploited <em>Callista chione</em> bivalve bed

et al. 2015

View full text Add to dashboard Cite

Summary:The smooth clam Callista chione is an Atlantic-Mediterranean species that is commercially exploited in several European countries. Several aspects of its reproduction were studied in a coastal location of the northwestern Mediterranean as a tool for sustainable fisheries management. Gonadal development was classified into 6 different stages, ranging from immature to degradation of the remaining sexual structures. Results showed that C. chione was able to reproduce throughout the year but a main spawning period occurred in spring. First records of hermaphrodites were found for this species. The mature spermatozoa measured 4. Keywords: gonads; first maturity; hermaphroditism; Veneridae; commercial mollusks. Reproducción y talla de primera madurez en un banco de Callista chione explotado en el MediterráneoResumen: La concha fina Callista chione es una especie atlántico-mediterránea comercialmente explotada en distintos paí-ses europeos. Se estudiaron varios aspectos de su reproducción en una localidad costera del noroeste Mediterráneo como herramienta para la gestión sostenible de su pesquería. El desarrollo gonadal se clasificó en 6 estadios distintos, que engloban desde individuos inmaduros a la degradación de las estructuras sexuales remanentes. Los resultados mostraron que C. chione se podía reproducir durante todo el año con un periodo de máxima puesta en primavera. Se observaron hermafroditas de esta especie por primera vez. Los espermatozoos maduros midieron 4.70±0.66 µm (sin el flagelo) incluyendo un corto acrosoma de 0.75±0.09 µm. La pieza media de los espermatozoos estaba compuesta por 5 mitocondrias. Los ovocitos maduros median entre 60-80 µm de longitud. La talla de primera maduración (SL 50

show abstract

“…Ports are also important foci of anthropogenic activities that can influence physico-chemical variables such as temperature, salinity, dissolved oxygen (DO), pH and turbidity. Changes in these variables may affect the growth and reproduction rates of resident species and alter their metabolic rates and feeding efficiencies (Salazar & Salazar, 1996;Ostroumov, 2005). Physico-chemical variables also have been found to influence the distribution of many marine species, (Barry et al, 1995;Engle & Summers, 1999;Akin et al, 2003;Roessig et al, 2004;Nicholson et al, 2008), and some studies have focused particularly on NIS.…”

mentioning

confidence: 99%

Links between estuarine condition and spatial distributions of marine invaders

Dafforn

Glasby

Johnston

2009

Diversity and Distributions

View full text Add to dashboard Cite

Aim Non‐indigenous species pose a significant threat to the environment and to global economies. Predictive and preventative measures are widely considered more effective in curtailing invasions than are eradication or control measures. Of key importance in the prediction of regional invasion risk are the environmental conditions that enable successful establishment. Location We surveyed native and non‐indigenous sessile invertebrate diversity in each of two commercial (600–1500 vessels per year) and two recreational estuaries (seven to nine marinas) in New South Wales, Australia. Methods A nested hierarchical design was employed to investigate variation in sessile invertebrate diversity at the scales of site (1–3 km apart) and estuary (40–180 km apart). Settlement plates (15 × 15 cm) were used to sample invertebrates and background heavy metal loads were assessed using bioaccumulation in experimentally deployed oysters. Other physico‐chemical variables were monitored monthly. Manipulative experiments were used to test the direct effects of exposure to copper and tributyltin (TBT) antifouling paints on sessile invertebrates. Results Native and non‐indigenous species richness differed at various spatial scales, but showed no consistent difference between commercial and recreational estuaries. Instead, individual species distributions were strongly related to metal contamination, temperature, turbidity and pH. In experimental studies, several species (mostly invaders) were more abundant on plates exposed to copper and/or TBT antifouling paints. We found higher levels of copper (and in some instances TBT) in recreational marinas than in commercial harbours. Main conclusions Our results demonstrate the importance of metal pollution and physico‐chemical variables in the establishment of invaders in new regions. We have identified several native Australian species that have been exported overseas and suggested mechanisms contributing to their transport and establishment. Combining physico‐chemical information about donor and recipient regions with species tolerances could go some way to predicting where future invasions may occur.

show abstract

Some aspects of water filtering activity of filter-feeders

Abstract: On the basis of the previous publications, our new data and the existing scientific literature,

Cited by 58 publications

References 32 publications

Integrated Multitrophic Aquaculture By-Products with Added Value: The Polychaete Sabella spallanzanii and the Seaweed Chaetomorpha linum as Potential Dietary Ingredients

Integrated Multitrophic Aquaculture By-Products with Added Value: The Polychaete Sabella spallanzanii and the Seaweed Chaetomorpha linum as Potential Dietary Ingredients

Reproduction and size at first maturity in a Mediterranean exploited <em>Callista chione</em> bivalve bed

Links between estuarine condition and spatial distributions of marine invaders

Contact Info

Product

Resources

About