Bottom Breathers Dive Club meeting 4-Mar-2016

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Information about Bottom Breathers Dive Club meeting 4-Mar-2016

Published on March 5, 2016

Author: dannorris

Source: slideshare.net

1. Bottom Breathers Dive Club Meeting: 4-Mar-2016 Today's topics: Club tshirts, Keys trip info, sea turtle identification

2. 2016 Events • Next meeting – Apr 1 • Our World Underwater – Feb 26-28 • Pizza Party – Apr 23 • May meeting - May 13 (not first Friday) • Our "usual" Florida Keys Trip – June 16-20 • Turks & Caicos Liveaboard – July 23-30

3. 2016 Events • Monthly Club meeting – Aug 12 (not first Friday) • Club BBQ – Aug 13 • Mermet Springs Trip – Sep 9-11 • Underwater Pumpkin Carving – Oct 8 • Pizza Party – Nov 12

4. Florida Keys Trip 2015

5. Florida Keys Trip 2016 • June 16-19 (flying on Jun 15 and 20) • 4 days of diving: 2 morning deep wreck dives, 2 afternoon shallower reef dives, 1 night dive (maybe) • Sharing rooms at Ocean Pointe Condos • 8 afternoon dives + room = $595 • 16 dives + room = $919 • Night dive will be extra

6. Florida Keys Trip 2016 • Air tanks + weights included • Nitrox tanks = +$7 per tank • Flights and car rentals extra (can share cars) • $150 deposit (refundable until May 1st) to book a spot -> info@bottombreathers.org

7. Sea Turtle Identification • Terms: – Prefrontal - area on front of the head - "forehead" – Postorbital - behind the eye – Carapace - top part of the shell – Plastron - bottom part of the shell – Scutes (aka scales) - bony sections of carapace, plastron or head

8. Sea Turtle Identification • Terms: – Costal scute - large scutes along the sides of the shell – Vertebral scute - along the middle of the shell – Nuchal scute - one scute in the front middle of the shell – Marginal scute - small scutes along the edge

9. Sea Turtle Identification • 7 Species – Loggerhead – Green – Leatherback – Hawksbill – Kemp's ridley – Olive ridley – Flatback

10. Sea Turtle Identification • Loggerhead – Most common in the US – Threatened status - only species not listed as endangered • Green – Endangered around the world (1978) – Increasing numbers on east coast of Florida and Costa Rica

11. Sea Turtle Identification • Leatherback – Largest, deepest diving, farthest traveling – Endangered in 1970 – 22% decline annually in 12 years along Mexico Pacific coast • Hawksbill – Endangered in 1970 – Rarely nest in North America, more in eastern hemisphere

12. Sea Turtle Identification • Kemp's ridley – Most endangered of all sea turtles (1970) – Only major nesting is a small beach in Rancho Nuevo, Mexico • Olive ridley (aka Pacific ridley) – North Atlantic nesting declined more than 80% since 1967 – Larger numbers in Indian Ocean - 398,000 nests in a given year – Smaller in size

13. Sea Turtle Identification • Flatback – Found only in north part of Australia and New Guinea – Smooth, waxy shell can be easily damaged

14. Sea Turtle Identification

15. Sea Turtle Identification

16. Sea Turtle Identification - FL Keys

17. Sea Turtle Identification Green Sea Turtle

18. Sea Turtle Identification Hawksbill Sea Turtle

19. Sea Turtle Identification Green Sea Turtle

20. Sea Turtle Identification Hawksbill Sea Turtle

21. Sea Turtle Identification Loggerhead Sea Turtle

22. Sea Turtle Identification Kemp's Ridley

23. Sea Turtle Identification Olive Ridley

24. Sea Turtle Identification LeatherbackGreenHawksbillridley??

25. Sea Turtle Identification Leatherback Sea Turtle

26. Sea Turtle Identification Flatback Sea Turtle

27. Sea Turtle Identification

28. Sea Turtle Identification • References: • http://www.nmfs.noaa.gov/pr/species/turtles • http://www.conserveturtles.org/seaturtleinfor mation.php?page=species_id • http://www.seeturtles.org/sea-turtle-species • http://www.widecast.org/Biology/Terminolog y/Terminology.html • http://allturtles.com/turtle-terms/

29. Upcoming Events • Next meeting – Apr 1

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