MWilliams_BenthicEcologyMeeting_FlowerGardenBanks

277 views

Published on

Talk presented at the 2014 Benthic Ecology Meeting in Jacksonville. Presented by Maureen Williams, the talk focused on the coral communities of the Flower Garden Banks National Marine Sanctuary

Published in: Education
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
277
On SlideShare
0
From Embeds
0
Number of Embeds
75
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide
  • Quantitative photo transects Mention Josh presented other data from 2010
  • Each year’s data and transects were additive to the data set rather than replicatesEach dot is the center of the transect
  • Point Out shadow issues here
  • Note levels hereStats were in primer 6Analysis in Access
  • Note levels hereStats were in primer 6Analysis in Access
  • Point Out: Differences in Coralline Algal ReefsCoral Ranges: Up to 75% (West CR Transect)CAR at EB dominated by Rhodophyta
  • Point Out: Differences in Coralline Algal ReefsCoral Ranges: Up to 75% (West CR Transect)CAR at EB dominated by Rhodophyta
  • Point Out: Differences in Coralline Algal ReefsCoral Ranges: Up to 75% (West CR Transect)CAR at EB dominated by Rhodophyta
  • Point Out: Differences in Coralline Algal ReefsCoral Ranges: Up to 75% (West CR Transect)CAR at EB dominated by Rhodophyta
  • Point Out: Differences in Coralline Algal ReefsCoral Ranges: Up to 75% (West CR Transect)CAR at EB dominated by Rhodophyta
  • Point Out: Differences in Coralline Algal ReefsCoral Ranges: Up to 75% (West CR Transect)CAR at EB dominated by Rhodophyta
  • Point Out CA, Stark Separation between Deep coral and coral reefsAll pairwise significant except soft bottom and deep reef
  • Point Out CA, Stark Separation between Deep coral and coral reefsAll pairwise significant except soft bottom and deep reef
  • Point Out CA, Stark Separation between Deep coral and coral reefsAll pairwise significant except soft bottom and deep reef
  • Focus on Coral and deep, which comprise >1% bottom total
  • Interesting: Algal nodule: antipathidae more common in west bank, Astrocoeniidae in east bankCA: Deep Reef: Aphanipathidae in West DR
  • Interesting: Algal nodule: antipathidae more common in west bank, Astrocoeniidae in east bankCA: Deep Reef: Aphanipathidae in West DR
  • Interesting: Algal nodule: antipathidae more common in west bank, Astrocoeniidae in east bankCA: Deep Reef: Aphanipathidae in West DR
  • Interesting: Algal nodule: antipathidae more common in west bank, Astrocoeniidae in east bankCA: Deep Reef: Aphanipathidae in West DR
  • Differences driven by Merulinidae and AnitpathidaeSame general composition of community, just percentage of each
  • Differences driven by Merulinidae and AnitpathidaeSame general composition of community, just percentage of each
  • Differences driven by Merulinidae and AnitpathidaeSame general composition of community, just percentage of each
  • Differences driven by Merulinidae and AnitpathidaeSame general composition of community, just percentage of each
  • driven by differences in Coralline Algal Reefs and Algal and Cnidarian Communities
  • MWilliams_BenthicEcologyMeeting_FlowerGardenBanks

    1. 1. Characterizing Habitats at the Flower Garden Banks National Marine Sanctuary Maureen Williams et al. LaboratoryofDr.JoshuaVoss,RobertsonCoralReefProgram HarborBranchOceanographicInstituteatFloridaAtlanticUniversity Benthic Ecology Meeting 2014 Jacksonville, FL
    2. 2. Techniques ROV Transects SCUBA & Tech Diving Acoustics
    3. 3. Techniques ROV Transects Benthic Habitat Classification Coral Community Composition
    4. 4. ROV Transects 100 m Government of the Netherlands Antilles
    5. 5. ROV Transects Government of the Netherlands Antilles
    6. 6. ROV Transects Government of the Netherlands Antilles
    7. 7. ROV Transects Benthic Habitat Classification Coral Community Composition Government of the Netherlands Antilles
    8. 8. Benthic Habitat Classification Fine-Scaled
    9. 9. Five Habitat Types West Bank East Bank Algal Nodule (AN) Coralline Algal Reef (CA) Coral Reef (CR) Deep Reef(DR) Soft Bottom (SB) Coral Reef Cap Algal Nodules Coralline Algae Reef Deep Coral Coral Reef Cap Algal Nodules Coralline Algae Reef Deep Coral
    10. 10. Habitat TypesAlgal Nodule Coralline Algal Reef Coral Reef Deep Reef Soft Bottom
    11. 11. West Bank East Bank 215 Transects 2732 Photos 2012 2011 2010
    12. 12. Images Edited
    13. 13. Images Removed Cloudy Distant Blurry
    14. 14. 205 Transects 2259 Photos Final Analysis 95% of Transects 83% of Photos
    15. 15. Import into CPCe
    16. 16. Overlay 50 points
    17. 17. Identify Points
    18. 18. Density Counts
    19. 19. BiotaBare Hard Bottom Bare Soft Bottom Fish Cnidarians Echinoderms Bacterial Mats Algae MollusksSponges Class Alcyonacea Family Level Species Level Order Antipatharia Order Scleractinia Phylum Level
    20. 20. BiotaBare Hard Bottom Bare Soft Bottom Fish Cnidarians Echinoderms Bacterial Mats Algae MollusksSponges Class Alcyonacea Family Level Species Level Order Antipatharia Order Scleractinia Phylum Level
    21. 21. Benthic Habitats 2 Way ANOSIM Habitat p<0.01 Bank p<0.01 PercentageBottomCover
    22. 22. Coralline Algal Reef
    23. 23. Phylum Level Community Analysis
    24. 24. Phylum Percent Cover
    25. 25. Phylum Percent Cover
    26. 26. Phylum Percent Cover
    27. 27. Phylum Percent Cover
    28. 28. Phylum Percent Cover
    29. 29. Phylum Percent Cover
    30. 30. Community Assemblages- Phylum Level 2 Way ANOSIM Habitat p<0.01 Bank p<0.01
    31. 31. Community Assemblages- Phylum Level 2 Way ANOSIM Habitat p<0.01 Bank p<0.01
    32. 32. Community Assemblages- Phylum Level 2 Way ANOSIM Habitat p<0.01 Bank p<0.01
    33. 33. Cnidarian Family Level Community Analysis
    34. 34. Family Percent Cover Coral Reef
    35. 35. Family Percent Cover Coral Reef Orbicella franksi Orbicella faveolata
    36. 36. Family Percent Cover Coral Reef Montastraea cavernosa
    37. 37. Family Percent Cover Coral Reef Pseudodiploria strigosa Colpophyllia natans
    38. 38. Family Percent CoverDeep Reef Aphanipathidae Plexauridae Antipathidae Myriopathidae
    39. 39. 2 Way ANOSIM Habitat p<0.01 Bank p<0.01
    40. 40. Coral Family Density Density(#/m2)
    41. 41. Coral Family Density Density(#/m2)
    42. 42. Coral Family Density Density(#/m2)
    43. 43. Coral Family Density Density(#/m2)
    44. 44. Coral Species Analysis
    45. 45. Pseudodiploria strigosa Montastraea cavernosa West Bank 5.10% East Bank 5.71% West Bank 5.35% East Bank 5.15%
    46. 46. Orbicella franksi West Bank 20.07% East Bank 6.86% Orbicella faveolata West Bank 10.59% East Bank 11.27%
    47. 47. Coral Reef Species Cover
    48. 48. Summary • High coral cover in Coral Reef Caps • High density of corals in Coral Reef Caps and Deep Reef habitats • Habitats and Banks significantly different at the phylum level • Cnidarian community components similar across banks within habitats, with relative abundances varying most
    49. 49. Dr. Joshua Voss Emma Hickerson Marissa Nuttall G.P. Schmahl Randy Clark Chris Taylor John Reed Thanks to… Erik Ebert Greg Piniak Lance Horn Glenn Taylor Doug Kesling Greg McFall Kim Edwards Jenny Vanderpluym Laurie Bauer The R/V Manta The Nancy Foster
    50. 50. Any questions?

    ×