Dampak Pemutihan Karang Tahun 2016 Terhadap Ekosistem Terumbu Karang: Studi Kasus Di TWP Gili Matra (Gili Air, Gili Meno dan Gili Trawangan) Provinsi NTB Coral Bleaching Impact in 2016 Towards Coral Reef Ecosystem: Case Studies TWP Gili Matra (Gili Air,
2018
ABSTRACT Increased sea surface temperatures due to
global warmingthat occurred from the early to mid 2016 caused of
coral bleachingin several locations in TWP Gili Matra. Observations of
coral bleachingobtained from
coralcolonies compotition affected by
bleaching(50%), white (18%), death (1%) and was not affected (31%). These implications resulting decline in
coralcover but not significant (F (1,013) = 0.333, p > 0.05) from 23,43% ± 2,61 SE in 2012 to 18,48% ± 4,14 SE in 2016 and a significant decrease (P (58,06) = 3,8e -06 ) recruitment of
coral(
coralJuvenil) from 6,66 ind.m -1 ± 1,04 SE in 2012 to 1,41 ind.m -1 ± 0,16 SE in 2016. the other impact is a significant reduction (P (20.84) = 0,00053, p 0.05) from 506,56 kg.ha -1 ± 99,05 SE in 2012 to 438,41 kg.ha -1 ± 45,69 SE in 2016. The decline of
coralrecruitment resulted in the recovery of the affected areas
bleachingbecomes slow because of the juvenile new
coralmostly dead. The second impact of
bleachingis an abundance of fish decrease, indicating that is available only fish big size (adult) and very less of small fishes, including juvenile. Keywords:
global warming,
coral bleaching,
coralcover, reef fishes
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