[Coral-List] September Spawn Barbados
Angelique Brathwaite
abrathwaite at coastal.gov.bb
Tue Sep 15 13:59:00 EDT 2009
Hi,
Spawning observations for Barbados.
September 8th & 9th - no spawning
September 10th
1) Region (Island): Barbados
2) Site (Reef): Batts Rock (West Coast)
3) Spawning date: Sept 10, 2009
4) Tide: high tide at 11:57 pm, low tide at 7:08 pm
5) Species: Montastrea annularis
6) Sunset time: 6:23pm
7) Time gamete bundle setting was observed: 8:50 pm
8) Time spawning was observed : 9:05 pm started, and ended around 9:45 pm
9) Approximate percentage of population that spawned and approximate
percentage of individual colonies that spawned : Approximately 50-60% of polyps on any given colony spawned and around 10% of the colonies observed spawned
September 11th
1) Region (Island) Barbados
2) Site (Reef) Batts Rock (West coast)
3) Spawning date 11 September, 2009 - exactly one week after September full moon.
4) Tide High tide at 8:01 pm
5) Species Montastrea annularis
6) Sunset time 6:02 pm
7) Time gamete bundle setting was observed 8:30 pm
8) Time spawning was observed (detailed information such as the range
of spawning times and when the majority of corals spawned is appreciated) Release of first egg bundles at 9:00pm, spawning continued in other colonies until 9:30 pm
9) Approximate percentage of population that spawned and approximate
percentage of individual colonies that spawned Very difficult to estimates, but a round 80% polyps on a spawning colony released egg bundles and perhaps 60% of colonies were spawning.
September 11th - no spawning
Angelique Brathwaite
Marine Biologist
Coastal Zone Management Unit
Bay St. St. Michael
BB11156
Phone: (246) 228 5950/51/52 ext 231
Fax: (246)228 5956
e-mail: abrathwaite at coastal.gov.bb
skype: seaeggz
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