Functional and societal importance of biogenic reefs - Bill Sanderson
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Functional and societal importance of biogenic reefs - Bill Sanderson

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Centre for Marine Biodiversity and Biotechnology Open Day 2012.

Centre for Marine Biodiversity and Biotechnology Open Day 2012.

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  • Overall , work has management implications - the reef is an important component of a SAC this M. modiolus reef type is morphologically and acoustically distinct can be mapped and monitored accurately using acoustics Side-scan sonar was the most discriminating method used Similarity over several years indicates that a spatially targeted, long-term programme of acoustic monitoring is achievable. However, to detect anthropogenic impact and the possible consequences of it: a swathe system ability to analytically differentiate acoustic backscatter would probably be most appropriate. because degradation to clumps requires backscatter analysis when the relief is nolonger visible Degradation of Modiolus in Strangford Lough has possibly occurred as a result of trawling causing progressive fragmentation (Roberts et al 2004)

Functional and societal importance of biogenic reefs - Bill Sanderson Functional and societal importance of biogenic reefs - Bill Sanderson Presentation Transcript

  • Functional and societalimportance of biogenic reefsand the role of MPAs in theirconservation Sanderson, W.G.
  • Background • 17 years in government agencies • marine ecologist / monitoring specialist • Spp & habs of nature conservation importance • biogenic structures • lagoons • habs that support higher predators2
  • Current research interests •Ecology, biodiversity, monitoring & societal benefits of: • MPAs • Habs of nature conservation importance • complex habs • Eg shellfish reefs • PMFs
  • Past work • Lindenbaum et al., JMBA 2008 • Rees et al., JMBA 2008 • Sanderson et al., JMBA 2008
  • Ongoing 2009 2D Stress: 0.13 2008 Unimpacted (2007 - 2009) 2009 Impacted (2008 & 2009) 2009 2009 2009 2009 2009 2009 2009 2007 2009 2008 2007 2008 2008 2009 2007 2008 2008 2007 2007 2007 2007 2008 2008 2008 2007 2009 2007 2008 2008 2008 2007 2009 2008
  • • 2007• Unimpacted
  • • 2009• Post impact
  • Impact North Llyn (Rob Cook) St Brides Bay (Mark Burton) North Llyn (Rohan Holt)
  • Ongoing Photo Rob Cook
  • Ongoing – essential fish
  • Ongoing - restoration
  • Ongoing – MPA connectivity andmanagement
  • Next– indicators in MSFD and MPAs