Reef Check results Maldives 2012

24
So what was out there, and why? JL

description

From our SCUBA conservation holiday volunteering with coral reefs and whale sharks of the Maldives (http://www.biosphere-expeditions.org/maldives). Expedition blogs at http://biosphereexpeditions.wordpress.com/, http://www.facebook.com/biosphere.expeditions1, https://plus.google.com/103347005009999707934/posts.

Transcript of Reef Check results Maldives 2012

Page 1: Reef Check results Maldives 2012

So what was out there, and why?

JL

Page 2: Reef Check results Maldives 2012

A common purpose – to help discover the health of the Maldives

Page 3: Reef Check results Maldives 2012

Training at Baros and Embudhoo

Page 4: Reef Check results Maldives 2012

Atolls - A special case

Page 5: Reef Check results Maldives 2012

•This theory was finally proved in 1953 at Eniwetok atoll in the Marshall Islands, when a test boring through the reef hit volcanic rock at 1283 metres.

Eniwetok atoll

Page 6: Reef Check results Maldives 2012

Inshore house reef

Page 7: Reef Check results Maldives 2012

You learned what one of these was for

Page 8: Reef Check results Maldives 2012

Biyadhoo an inshore reef

Page 9: Reef Check results Maldives 2012
Page 10: Reef Check results Maldives 2012

Low coral cover, even in shallow

Page 11: Reef Check results Maldives 2012

What a contrast! (Biyadhoo to Ellaidhoo)

Page 12: Reef Check results Maldives 2012

Ellaidhoo and Orimas Faru

Page 13: Reef Check results Maldives 2012

Ellaidhoo and Orimas Faru

Page 14: Reef Check results Maldives 2012

Go south (Angaga)

Page 15: Reef Check results Maldives 2012

Angaga house reef

Page 16: Reef Check results Maldives 2012

Angaga house reef

Page 17: Reef Check results Maldives 2012

Go East (Vilamendhoo)

Page 18: Reef Check results Maldives 2012

Healthy corals in shallow reef

Page 19: Reef Check results Maldives 2012
Page 20: Reef Check results Maldives 2012

But indications of disease, bleaching and excess nutrients

But in <1% of the coral population

Page 21: Reef Check results Maldives 2012

The clean table tops of south Ari – are they ‘weeds’, or important for reef growth?

Page 22: Reef Check results Maldives 2012

Table and branching Acropora dominate in more sheltered conditions

Page 23: Reef Check results Maldives 2012

Reflected in outstanding coral recovery

site depth 1997 ('98 for Vilm) 2012 % bleaching

Ellaidhoo housereef3m 50.63 33 NA

12m 34.38 21 NA

Angaga northeast3m 49.38 61 NA

12m 26.88 46 NA

Angaga southwest3m 30.63 / 58.75 43 NA

12m 21.25 / 59.38 60 NA

Vilamendhoo*3m 5.63 48 / 61 85

10m 6.88 26 90

Page 24: Reef Check results Maldives 2012