order of magnitude during these intrusions of cold bottom water 

 (nitrates- <2 yM during non-upwel 1 i ng to 9-18 during upwelling, 

 phosphate- from < 0.25 to 0.5-2 yM, chlorophyll a- from <1 to 1-9 

 mg/m ). 



Table 1. Comparison of temperatures (mean and range) and various 

 measurements of Ocul i na v a r i c o s a colonies collected from inner- 

 (6m), mid- (27m), outer-shel f (42m) , and shelf-edge (80m) reefs off 

 central eastern Florida. RTL= relative tip length, CD= intercalical 

 distance, and RBS= relative branch size. 



Site 



6m 

 27m 

 42m 

 80m 



Temperature 

 (°C) 



24.6(13.7-31.0) 



18 

 16 



4(8. 0' 

 2(7.4- 



27 

 26 



8) 



7) 



x Colony 

 Size (g) 



175 

 115 

 1049 

 3173 



RTL 



2.29 

 3.23 

 4.04 

 4.84 



CD 



(mm) 



1.48 

 1.67 

 2.24 

 2.66 



RBS 



092 

 070 

 039 

 018 



x Growth ? 

 cm/yr g/cm /yr 



1.13 



1.61 



508 



651 



Corallum morphology 

 Colony size, re 

 general ly showed 

 branch diameter 

 di ameter "f rom th 

 pronounced as de 

 the nearshore po 

 the inner-shelf 

 significantly sh 

 hei ght and has a 

 shelf edge have 

 1.5 m. 



Cal i cal 

 significant 

 morphol ogi c 

 the depth r 

 Coral growt 



rel ati 

 a prog 

 decreas 

 e top t 

 p t h i n c 

 pul atio 

 col onie 

 orter a 

 wide e 

 si gni f i 



Th 

 shelf- 

 growth 

 but ne 

 shelf- 

 the va 

 be si i 

 Faunal 



e mea 

 edge 



was 

 gati v 

 edge 

 r i anc 

 ghtly 



asso 



di amet 



change 



al char 



ange of 



h 



n growt 

 reef th 

 posi ti v 

 ely cor 

 reef, t 

 e of gr 

 greate 

 ci ation 



er wa 

 betw 



acter 

 the 



h rat 

 an ne 

 ely c 

 rel at 

 emper 

 owth . 

 r at 

 s wit 



s the only conservative feature and showed no 

 een depths (t-test, p <.05). The other 

 s generally showed a c 1 i na 1 progression over 

 4 disjunct populations (Table 1). 



Fo 

 number 

 (N=230 

 simi 1 a 

 areal 

 Both t 

 N) by 

 and mo 

 10-11% 



Bo 

 the co 

 are fa 



r the 

 s of 

 0, S = 

 r f or 

 rel at 

 he mo 

 a few 

 1 1 use 

 of t 

 th as 

 ral , 

 cul ta 



42 cor 

 i ndi vid 

 50; Ree 



these 

 i onshi p 

 Husks 



abunda 

 an taxa 

 he tota 

 sembl ag 

 r e q u i r i 

 t i v e as 



al s~a 

 ual s 

 d, et 

 two a 

 s wi t 

 and d 

 nt sp 

 were 

 1 ind 

 es ha 

 ng 1 i 

 soci a 



e of 

 arsho 

 orrel 

 ed wi 

 ature 

 Ini 

 the 8 

 hOcu 

 mpl es 

 (N = 51 



al . , 

 ssemb 

 h the 

 ecapo 

 ecies 



rare 

 i v i d u 

 ve f e 

 ve co 

 tes t 



Ocul 

 re { 

 ated 

 th s 

 , cu 

 tial 



m 



1 i na 

 7Th" 

 32) 



198 

 lage 



cor 

 ds w 



(5- 



(N 

 als 

 w sp 

 ral 

 hat 



i na 



was signi f icantly 

 Reed, 1981). At the 



with water temperatu 

 edimentation and curr 

 rrent and 1 i ght accou 



studies showed cal ci 

 site than at 6 m (Tab 



e mo 

 and 



2). 

 s i n 

 al, 

 ere 

 12% 

 < 10 

 coll 

 eci e 

 ti ss 

 are 



1 1 usks 

 taxa ( 

 Commu 

 terms 

 and be 

 numeri 

 of S). 

 ) ; the 

 ected . 

 s that 

 ue and 

 more d 



were consi 

 S=230) than 

 nity struct 



of dominan 

 tween-stati 

 cally domin 



Over 50% 

 se species 



are o b 1 i g a 



mucus. Mo 



ependent on 



greater at the 

 nearshore si te , 

 re and i nsol ation 

 ent. At the 

 nted for 84% of 

 fication rates to 

 le 1). 



derably richer in 



the decapods 

 ure, however, was 

 ce-di versi ty , 

 on similarity, 

 ated (65-70% of 

 of the decapod 

 comprised only 



te symbionts with 

 st of the taxa 

 the size of the 



121 



