Fish farming impacts in the Mediterranean studied through sediment profiling imagery
By Ioannis Karakassis, M. Tsapakis, Christopher J. Smith, H. Rumohr. 2002
95 citations recorded by the source corpus.
The sediment beneath and at various distances from the fish farm cages in Cephalonia bay (Eastern Mediterranean) was investigated seasonally through sediment profiling imagery (SPI) as well as through monitoring of geochemical variables and macrofaunal assemblages. The SPI images (SPI) repeatedly showed the same qualitative pattern along the benthic enrichment gradient with readily identifiable attributes such as depth of dark sediment, signs of outgassing and bioturbation marks. Quantitative comparisons showed that a large number of SPI attributes showed significant positive or negative correlation with geochemical and biological attributes describing the effect of fish farming on the seabed. All multivariate patterns obtained through the analysis of SPI attributes were highly correlated to those obtained from standard multivariate analysis of macrofauna during the respective seasons. It is argued that SPI provides an integrated assessment of the sedimentary conditions and therefore may be used as a complement of or even a substitute for standard sampling methods when mapping the effects of aquaculture on silty substrates.
Subfields: Ecology, Global and Planetary Change, Oceanography
View Paper: https://www.semanticscholar.org/paper/345de87642a2cd734475d1ceb435e4bf1c859b50
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Citations in the corpus
- Effects of the invasive red king crab (Paralithodes camtschaticus) on soft-bottom fauna in Varangerfjorden, northern Norway (2011, methodology): “It is also used in analysis of the effects of organic enrichment, oil activities, and demersal trawling (O’Connor et al. 1989; Rumohr and Schomann 1992; Karakassis et al. 2002; Nilsson and Rosenberg 2003).”
- Organic enrichment of sediments from salmon farming in Norway: environmental factors, management practices, and monitoring techniques (2003, background): “In addition, digital image analysis gives quantifiable parameters that can be used in a standard manner (see also Karakassis et al., 2002).”
- Sedimentation of organic matter from fish farms in oligotrophic Mediterranean assessed through bulk and stable isotope (δ13C and δ15N) analyses (2007, background): “…and the consumption of waste products by wild fish may be an important factor for less severe benthic impacts found in most Mediterranean farms (Karakassis et al., 2000, 2002; La Rosa et al., 2004) compared to salmon farms at similar water depths and fish production (Hall et al., 1990, 1992;…”