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Artificial structures and ecological enhancement

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Presentation by Roger Herbert and Alice Hall to the 2017 Isle of Wight Recorders' Conference

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Artificial structures and ecological enhancement

  1. 1. Artificial Structures and Ecological Enhancement Dr Roger Herbert & Alice Hall Bournemouth University
  2. 2. London Array Offshore Wind Farm http://www.londonarray.com/
  3. 3. Chthamalus montagui Perforatus perforatus Melarhaphe neritoides Gibbula umbilicalis
  4. 4. Austrominius modestus Amphibalanus eburneus Crassostrea gigas Codium fragile subs. fragile
  5. 5. Ecological Enhancement Integrating ecology with engineering Multifunctional structures Suitable habitat creation
  6. 6. Shelving the coast- Vertipools
  7. 7. March 2015 June 2015 December 2015 March 2016 June 2016 August 2016 Seasonal variation & succession
  8. 8. Seawall vs Vertipool 0 1 2 3 4 5 6 7 8 9 Seawall Vertipool Inside Vertipool Outside MeanSpeciesRichness 0 50 100 150 200 250 Seawall Vertipool Inside Vertipool Outside MeanTotalAbundance 0 0.2 0.4 0.6 0.8 1 1.2 1.4 Seawall Vertipool Inside Vertipool Outside MeanSpeciesDiversity • Lipophrys pholis • Carcinus maenas • Littorina littorea • Idotea granulosa • Cheatamorpha sp. • Halurus sp. • Ectocarpus sp • Sargassum muticum • Polysiphonia sp.
  9. 9. Natural pools vs Vertipools
  10. 10. Natural pools vs Vertipools 0 1 2 3 4 5 6 7 8 9 10 Shore Pool Vertipool MeanSpeciesRichness 0 20 40 60 80 100 120 140 Shore Pool Vertipool MeanTotalAbundance 0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 Shore Pool Vertipool MeanSpeciesDiversity 2015 2016 Functional groups - Filter feeders - Grazers VP- Fucus spiralis VP - Spirorbis spirorbis NP- Mastocarpus stellatus NP- Halopithys incurve
  11. 11. Disturbance through retrofitting Ascophyllum nodosum • Lower total abundance in disturbed areas
  12. 12. Artificial rock pools, Boscombe
  13. 13. June 2016 September 2016 August 2016 July 2016
  14. 14. Species recorded in artificial pools
  15. 15. Tyre Pools, IOW - Recycled materials
  16. 16. Species found inside the Tyrepools Corella eumyota Lipophrys pholis Electra pilosa/ Membranipora membranacae Littorina obtusataPatella vulgata Molgula sp.
  17. 17. Increased habitat heterogeneity trial- Runswick Bay, N Yorkshire 16mm
  18. 18. Increased habitat heterogeneity trial- Boscombe 16mm 16mm 30mm 30mm
  19. 19. Maintenance
  20. 20. Contact Details: rherbert@bournemouth.ac.uk ahall@bournemouth.ac.uk Twitter= @AHall_Marine

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