Changes in a coral reef fishery along a gradient of fishing pressure in an Indonesian marine protected area

2013 ◽  
Vol 24 (1) ◽  
pp. 92-103 ◽  
Author(s):  
S. J. Campbell ◽  
A. Mukminin ◽  
T. Kartawijaya ◽  
C. Huchery ◽  
J. E. Cinner
Keyword(s):  
Coral Reef ◽  
Protected Area ◽  
Marine Protected Area ◽  
Fishing Pressure ◽  
Coral Reef Fishery

scholarly journals KONDISI LINGKUNGAN DAN TERUMBU KARANG DI DAERAH PERLINDUNGAN LAUT PULAU PRAMUKA, KEPULAUAN SERIBU

2017 ◽  
Vol 3 (2) ◽  
pp. 115
Author(s):  
Andri Warsa ◽  
Baiq Ida Purnawati
Keyword(s):  
Coral Reef ◽  
Protected Area ◽  
Marine Protected Area ◽  
Marine Biota ◽  
Environmental Condition ◽  
Coral Reef Ecosystem ◽  
Fishing Activity ◽  
Coastal Resource ◽  
Line Intercept ◽  
Reef Ecosystem

Kawasan Kepulauan Seribu merupakan bagian dari wilayah Daerah Khusus Ibukota Jakarta, terletak pada posisi geografis antara 106°25’-106°40’ BT dan 05°24’-05°45’ LS. Daerah perlindungan laut adalah daerah yang ditutup secara permanen di mana semua kegiatan penangkapan ikan dan kegiatan lain dilarang. Tujuan penelitian ini untuk mengetahui kondisi lingkungan di daerah tersebut pada bulan April dan Juli 2007. Pengamatan kondisi ekosistem terumbu karang dilakukan dengan metode transek garis (line intercept transect) sepanjang 50 m sejajar garis pantai dan pengamatan kondisi oseanografi lima stasiun pengamatan. Hasil penelitian menunjukan kondisi oseanografi di daerah perlindungan laut Pulau Pramuka layak untuk kehidupan biota laut dengan konsentrasi oksigenterlarut berkisar antara 2,55-4,19 mg/L, salinitas berkisar antara 32-32,5o/oo, kecerahan berkisar antara 2-10 m, dan derajat keasaman (pH) berkisar antara 7,85-7,99. Kondisi kesehatan karang adalah sedang dan baik dengan persentase tutupan karang berkisar antara 30-75%. Seribu Islands region located at 106°25’-106°40’ E and 05°24’-05°45’ S which is a part of Jakarta Province. Marine protected area is a closed site permanently where extractive activity is prohibited, mainly fishing activity and the aim of this program is to conserve coastal resource. The aim of this research was to know environmental condition of Pramuka Island marine protected area at Seribu Islands. The research was done at marine protected area of Pramuka Island in April and July 2007. Monitoring of coral reef ecosystem was done with line intercept transect method along 50 m parallel with shore line and oceanography condition at 5 stations. The result of this research shown that oceanography condition at marine protected area of Pramuka Island was suitable for marine biota life with dissolved oxygen between 2.55-4.19 mg/L, salinity between 32-32.5o/oo, transparency between 2- 10 m, and pH between 7.5-7.99. Coral reef healthy condition is medium and good with percent covered between 30-75%.

scholarly journals Potassium Cyanide (KCN) Content in Coral Reefs and Its Effect on The Abundance of Indicator-Fishes in The Anambas Islands

2021 ◽  
Vol 5 (1) ◽  
pp. 214
Author(s):  
Rizki Dimas Permana ◽  
Sunarto Sunarto ◽  
Syawalludin Alisyahbana Harahap ◽  
Indah Riyantini ◽  
Yuwanda Ilham
Keyword(s):  
Coral Reef ◽  
Negative Correlation ◽  
Protected Area ◽  
Marine Protected Area ◽  
Potassium Cyanide ◽  
Distilled Water ◽  
Coral Reef Ecosystem ◽  
Visual Census ◽  
Underwater Visual Census ◽  
Reef Ecosystem

The coral reef ecosystem has been continuously degraded in various parts of Indonesia, including the Anambas Islands. This research aimed to discover the content of Potassium Cyanide (KCN) accumulated on corals and the effect on indicator fishes abundance in the Anambas Islands. This research was conducted at 25 observation stations in the Anambas Islands National Marine Protected Area. The potassium cyanide (KCN) content was tested with the principle of titration and distillation. The coral samples used ranged from 10-20 g diluted in 100-200 ml distilled water. The method used to determine the abundance of indicator fish was underwater visual census or UVC, which recorded fish in every station. This research recorded 307 fish individuals from 14 species of the Chaetodontidae family. Potassium Cyanide's content on corals was high ranging from 0,009-0,032 mg/L with an average 0,0205 mg/L. We concluded that there was a negative correlation between the content of Potassium Cyanide  (KCN) on corals and indicator fishes abundance, which means the higher the Potassium Cyanide content (KCN) is on corals, the lower the indicator fishes abundance will point out.

scholarly journals Larval dispersal and fishing pressure influence recruitment in a coral reef fishery

2021 ◽  
Author(s):  
Richard J. Hamilton ◽  
Diego Lozano‐Cortés ◽  
Michael Bode ◽  
Glenn R. Almany ◽  
Hugo B. Harrison ◽  
...  
Keyword(s):  
Coral Reef ◽  
Larval Dispersal ◽  
Fishing Pressure ◽  
Coral Reef Fishery

Ontongeny drives allochthonous trophic support of snappers: Seascape connectivity along the mangrove-seagrass-coral reef continuum of a tropical marine protected area

2021 ◽  
pp. 107591
Author(s):  
Rodrigo Ferreira Bastos ◽  
Daniel Lino Lippi ◽  
Ana Lídia Bertoldi Gaspar ◽  
Gilvan Takeshi Yogui ◽  
Thierry Frédou ◽  
...  
Keyword(s):  
Coral Reef ◽  
Protected Area ◽  
Marine Protected Area ◽  
Trophic Support
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