STRUKTUR KOMUNITAS IKAN KARANG DI PERAIRAN SEKUNYIT KECAMATAN KAUR SELATAN KABUPATEN KAUR

The aim of this research  is to know the community  structure  of coral fish in Sekunyit waters South Kaur District,  Regency of Kaur.  This research was conducted  at 3 m depth on the west continental  shelf of South Kaur Disrict.  Data of coral reef fishes was obtained with Visual Census Method that used Reef Resources  Assessment (RRA)  Method  that  was  depeloved  from  Manta  Tow  Method.  This  research  focused  on  species  abundance, diversity  indexs (H),  dominance  index (C) and uniformity  index (E): Abundance  of coral reef fishes at Sekunyit Waters  is 4.987  fish/ha consists  of 79 species  arid 17  families.  Under the category  of mayor  fish is obtained  as many as 6 families major fish with 39 species,  12_ families target fish with 29 and l families indicator fish with 11 species.  The  data  analysis  of coral  reef fishes· condition    was  determined  with    diversity  index  (H  ')=  3.91, dominance  index (C) = 0.03 and uniformity  index (E) =  0.85. The value of diversity,  dominance  and uniformity indexs showed that the communities  of coral reef fishes and waters condition at Sekunyit Waters is stabl