Research results Musandam coral reef expedition 2012

665 views

Published on

From our SCUBA diving volunteer opportunity & conservation holiday on the coral reefs of the Musandam peninsula, Oman (http://www.biosphere-expeditions.org/musandan). Expedition blogs at http://biosphereexpeditions.wordpress.com/, http://www.facebook.com/biosphere.expeditions1, https://plus.google.com/103347005009999707934/posts.

Published in: Education
  • Be the first to comment

  • Be the first to like this

Research results Musandam coral reef expedition 2012

  1. 1. Biosphere ExpeditionReef Check – Musandam 2012
  2. 2. Introduction – Coral reefs • Occupy less than 0.1% of the marine environment • Home to 25% of all marine biodiversity Photo by MacGillivray Freeman Films • Provide an estimated 4.3 billion € in goods and services annually
  3. 3. Coral reefs – anthropogenicimpacts Photo by G. Hodgson Photo by G. Hodgson
  4. 4. Coral reefs - thermal sensitivity Phase-shiftsHoegh-Guldberg (2005) Degradation Decline in coral recruitment of reefs Decay in species abundance
  5. 5. Arabian Peninsula • Average temperature fluctuations: < 12ºC to > 36º C
  6. 6. Arabian Peninsula • Hyper-saline environment year round (can reach >45 psu) • High seasonal fluctuations
  7. 7. Arabian Peninsula Persian Gulf Gulf of Oman • Depth to 200 m (coastal shelf) • Temperature 22 - 31ºC • Salinity 34 – 36 psu
  8. 8. Musandam Reef Check 2012 The scientific team
  9. 9. Musandam Reef Check 2012 The scientific team
  10. 10. Musandam Reef Check 2012 SUBSTRATE Mean Plot of HC grouped by Year 65 60 Significant increase in HC 55 coverage from 2009 to 2012Mean % cover of HC 50 45 F(3,136)=7.312 , p<.005 40 35 30 25 Mean 2009 2010 2011 2012 Mean±SE Musandam
  11. 11. Musandam Reef Check 2012 SUBSTRATE Mean Plot of SC grouped by Year 1.2 Significant increase in SC 1.0 coverage in 2012 0.8 F(3,136)= 4.772 , p<.005Mean % cover of SC 0.6 0.4 0.2 0.0 Mean 2009 2010 2011 2012 Mean±SE Musandam
  12. 12. Musandam Reef Check 2012 SUBSTRATE Mean Plot of RB grouped by Year 26 24 22 Significant decrease in RB 20 coverage from 2009 to 2012 18Mean % cover of RB 16 F(3,136)= 10.435 , p<.001 14 12 10 8 6 4 Mean 2009 2010 2011 2012 Mean±SE Musandam
  13. 13. Musandam Reef Check 2012 FISH Mean Plot of Butterflyfish m2 grouped by Year 0.15 0.14 Significant decrease in the 0.13 mean number of butterflyfishMean number of butterflyfish per m2 0.12 0.11 from 2010 to 2012 0.10 F(3,136)= 4.556 , p<.005 0.09 0.08 0.07 0.06 0.05 Mean 2009 2010 2011 2012 Mean±SE Musandam
  14. 14. Musandam Reef Check 2012 – Faqadar Bay FISH Mean Plot of Snapper m2 grouped by Year 1.4 1.2 Significant increase in the 1.0 mean number of snappersMean number of snappers per m2 0.8 from 2009 and 2010 to 2012 0.6 F(3,20)= 7.914, p<.005 0.4 0.2 0.0 -0.2 Mean 2009 2010 2011 2012 Mean±SE Faqadar Bay
  15. 15. Musandam Reef Check 2012 – Khayl Island FISH Mean Plot of Grouper m2 grouped by Year 0.026 0.024 0.022 Significant decrease in the 0.020 Mean number of groupers per m2 0.018 mean number of groupers 0.016 0.014 from 2009 and 2010 to 2012 0.012 F(3,28)= 5.110 , p<.05 0.010 0.008 0.006 0.004 0.002 0.000 -0.002 Mean 2009 2010 2011 2012 Mean±SE Khayl Island
  16. 16. Musandam Reef Check 2012 – Eagle Bay FISH Mean Plot of Butterflyfish m2 grouped by Year 0.22 0.20 0.18 Significant decrease in the Mean number of butterflyfish per m2 0.16 mean number of butterflyfish 0.14 from 2009 and 2010 to 2012 0.12 F(3,28)= 7.6192 , p<.005 0.10 0.08 0.06 0.04 0.02 Mean 2009 2010 2011 2012 Mean±SE Eagle Bay
  17. 17. Musandam Reef Check 2012 – Ra’sShuraytar FISH Mean Plot of Butterflyfish m2 grouped by Year 0.14 0.12 Significant increase in theMean number of butterflyfish per m2 0.10 mean number of butterflyfish 0.08 from 2009 and 2010 to 2012 F(3,24)= 5.239 , p<.05 0.06 0.04 0.02 0.00 Mean 2009 2010 2011 2012 Mean±SE Ras Shuraytar
  18. 18. Musandam Reef Check 2012 INVERTEBRATES Mean Plot of Pencil urchin m2 grouped by Year 0.07 Significant decrease in the 0.06 mean number of pencil Mean number of pencil urchins per m2 0.05 urchins from 2010 to 2012 0.04 F(3,140)= 3.519 , p<.05 0.03 0.02 0.01 0.00 Mean 2009 2010 2011 2012 Mean±SE Musandam
  19. 19. Musandam Reef Check 2012 – Faqadar Bay INVERTEBRATES Mean Plot of Diadema urchin m2 grouped by Year 1.2 1.1 Significant increase in the 1.0 mean number of diadema Mean number of diademas per m2 0.9 0.8 from 2009 to 2012 0.7 F(3,24)= 3.649 , p<.05 0.6 0.5 0.4 0.3 0.2 Mean 2009 2010 2011 2012 Mean±SE Faqadar Bay
  20. 20. Musandam Reef Check 2012 – Eagle Bay INVERTEBRATES Mean Plot of Pencil urchin m2 grouped by Year 0.18 0.16 Significant decrease in the 0.14 mean number of pencil Mean number of pencil urchins per m2 0.12 urchins from 2010 to 2012 0.10 F(3,28)= 4.358 , p<.05 0.08 0.06 0.04 0.02 0.00 -0.02 Mean 2009 2010 2011 2012 Mean±SE Eagle Bay
  21. 21. Musandam Reef Check 2012 – Summary Substrate :  Increase in mean percentage cover of HC  Increase in mean percentage cover of SC  Decrease in mean percentage cover of RB Fish : x Decrease in the mean number of butterflyfish per m2 Invertebrates : x Decrease in the mean number of pencil urchins per m2
  22. 22. Musandam Reef Check 2012 THANK YOU!

×