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Journal of Indonesian Coral Reefs
Published by Universitas Hasanuddin
ISSN : 22524126     EISSN : -     DOI : -
Core Subject : Science, Education,
Earth & Planetary Sciences Other
Arjuna Subject : -
Articles 24 Documents
 1   2   3 
Distribution and Abundance of Black Band Disease on Corals Montipora sp in Seribu Islands, Jakarta Johan, Ofri; Bengen, Dietriech G; Zamani, Neviaty P; _, Suharsono
Journal of Indonesian Coral Reefs Vol 1, No 3 (2012)
Publisher : Journal of Indonesian Coral Reefs

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Abstract

Research on the abundance and distribution of coral disease has been implemented since June andJuly 2011 to determine the preliminary abundance of coral disease on several islands in the Thousand Islands, Jakarta. Observation method used was a 20m-belt transect with 1 m width to the left and right, and 3 replicates. Transects placed on the reef flat with a depth of 0–3 m, and a record number of infected colonies of BBD. The results show that type coral diseases of BBD found in many high coral covers and where Montipora sp dominant at that location. Generally, highest abundances found were at northern of Pramuka Island (0.15 col/m), eastern of Pari Island (0.092 col/m), Penjaliran Island (0.092 col/m), and Tikus Island (0.085 col/m). Statistical test by ANOVA obtained that abundance of BBD was significantly different between groups of study sites, i.e. the distance between the nearest and middle sites, and between the nearest and farthest distance from the mainland of Java Island (significantly difference with value respectively 0.030 and 0.025; confidence level 5%). Meanwhile, the sites between middle and farthest show no real difference. Based on climatological data, the increase in temperature in March and July could lead to coral diseases that occured in the Thousand Islands region.
Growth Rate of Acropora formosa and Montipora digitata Transplanted on Biorock in Gili Trawangan Damayanti, Luh Putu Ayu; Ahyadi, Hilman; Candri, Dining Aidil; Sabil, Abdus
Journal of Indonesian Coral Reefs Vol 1, No 2 (2011)
Publisher : Journal of Indonesian Coral Reefs

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Abstract

Gili Trawangan has a high diversity of coral reefs and is one of the Aquatic Parks in Eastern Indonesia. This diversity has begun to be threatened by the human activities and natural disaster due to climate change. So we needed to start doing some rehabilitation projects. The creation of Biorock is one of coral rehabilitation method which can increase growth rate of coral. This study was to determine the growth rate of colonies of Acropora formosa and Montipora digitata growing on Biorock substrate and away (up to 10 meters) from Biorock substrate.This study was conducted in Gili Trawangan from April to August 2011, and used a method of direct measurement on colony height. The result of t-test analysis showed a significant difference between the coral growth on the Biorock substrate and outside Biorock substrate. The height of A. formosa colonies transplanted on Biorock substrate (0.43 cm/week) is around four times faster than that outside of Biorock substrate (0.09 cm/week). The growth of a M.digitata colonies on Biorock was 0.3009 cm/week while outside Biorock at was 0.009 cm/week.
Coral Reef Management Information System : Integrated Data Management on Coral Reef Under Coremap _, Giyanto; Swasti, Priti; Hakim, Dodi Amar
Journal of Indonesian Coral Reefs Vol 1, No 1 (2011)
Publisher : Journal of Indonesian Coral Reefs

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Abstract

Coral Reef Information and Training Center (CRITC) is one of Coral reef Rehabilitation and Management Program (COREMAP) units which serve on coral reef of areas under the Research Center for Oceanography “ Indonesian Institute of Sciences. Data Suplplied to the CRITC are collected from baseline studies and regular monitoring. At the second phase of COREMAP, CRITC are collected from baseline studies and regular monitoring. At the second phase of COREMAP, CRITC has conducted data grouping and processing for three major components: reef-helath, community-based fisheries monitoring (creel), social-economy plus spatial data. However managing these data was difiult due to former to way of data management: manual, scattered, non-centralized and non-standardized. It was then ebident an intergrated information system is needed to reduce data redudancy, allow easy data accessing and linking. In addition the new system should minimize changes to existing system. This way, data collection process is unaffected but a the same time system functionality is enhaced. To achieve the above objectives, CRITC has developed Coral reef Management Information System (CRMIS). CRMIS provides an intergrated , practical, easy-to-use online information system that support coral reef data management. CRMIS itself is a web 2 based application, bilingual (Indonesian and English), Support Web GIS (Geographical Information System), ad-hoc query (user-created search), time-series analysis and report. Web GIS faciltates online interactive thematic maps portraying reef health condition which is linked with other non spatial data (percentage of coral cover, cacth per unit effort or cpue and net-income of COREMAP locations). Hence CRMIS enabled stakeholders to easily get customized information for better reporting, research,planning and decision making.
Perception of Local Communities and Management Strategy of Community-based Marine Protected Area (MPA) in the Spermonde Archipelago (Case Study: Mattiro Baji Village, Pangkep Regency) Tamti, Hartati; Indar, Yusran Nur
Journal of Indonesian Coral Reefs Vol 1, No 3 (2012)
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Abstract

This is research aimed to (1) analyze community’s perception regarding the existence of coral reef resources in Mattiro Baji Village, (2) analyze various issues in relation to establishment and management strategy of community-based Marine Protected Area (MPA). This research uses in-depth interview and Participatory Rural Appraisal (PRA) methods. From the analyses it is concluded that (1) the perception of local community regarding the importance of coral reef ecosystem value is excellent, even though it is not fully implemented yet in their daily life, (2) Several key factors supporting the existence of CBMPA in Mattiro Baji include (a) community understanding about the need to MPA is relatively good, (b) there is a valuable lesson learned regarding the destruction of coral reef ecosystem, and (c) the unity spirit among community to protect and manage the resources from outsiders. Various strategies need to be conducted for the MPA development such as the establishment of waters boundary and the use of village area, zonation management, monitoring and surveillance of areas utilization and MPA, the increase of community understanding to environment, community efforts and incomes through alternative income generation activities.
Conservation Management of the Banggai Cardinalfish in the Banggai Kepulauan District MPA- A Genetic Approach Ndobe, Samliok; Setyohadi, Daduk; Herawati, Endang Yuli; _, Soemarno; Moore, Abigail
Journal of Indonesian Coral Reefs Vol 1, No 1 (2011)
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Abstract

The Banggai cardinalfish (Pterapohon kauderni, Koumans 1933),often refered to as BCF, is a restricted range coral reef associated fish endemic to shallow waters (0-5m) arround the Banggai Archipelago, Indonesia. Listed as Endangered un the IUCN Red-List. In 2007 a national BCF Action Plan was developed , and a Distrct MPA was established by decree of the Banggai  Kepulauan District Head, consisting of a network of 10 islands. For 2 of these P. Kauderni conservation in the main management target. We reviewed available phylogenic, genetic and biogeographical data, and examined the MPA network from the viepoint of P. Kauderni genetic diversity conservation. With no pelagic phase and high fidelity, the Banggai cardinalfish population exhibits a level of genetic structure unusual in a marine fish. Several genetically distinct sub populations have been identified. It was concluded that management units should be based  on genetically detrmined sub-populations (stocks). Critical knowledge gaps and several research pririties were identified. In particular , we conclude that a researh programme is necesary for the identification and characterisation of these genetically determined units from biological (including genetic), ecological (e.g. habitat/micro-habitat) and socio-economic (including fishing ground) aspects. We propose to provide management support through the use of the spatial analysis tool MARXAN combined with a GIS database to produce science-based zoning options with management units/targets based on genetic population structure.
Sustainable Fisheries Management through Certification, Conservation-Based Economic (Study Case: Pangkep Regency) Safitri, Dian Rachma; Budiman, Irham
Journal of Indonesian Coral Reefs Vol 1, No 3 (2012)
Publisher : Journal of Indonesian Coral Reefs

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Abstract

The purpose of this paper is to analyze the efforts of increasing conservation-based fishery management by applying a certification system and providing recommended formula of strategic policy in the continuing fishery certification system. Nowadays, the degradation rate of coastal and marine resources is so quickly with a very high damage level. Along with the world’s fishery policy which refers to the Code of Conduct for Responsible Fisheries, there are some obligations from fish producer countries to apply the use of fish and reef resources more environmental-friendly, one of them is by doing the certification towards the environmental management and fishing techniques. Ecolabel certification is a certification system to indicate that the certificated product was produced by following principles of environmental preservation and sustainable process. Thus, the certifier can help consumer to distinguish between certified product or non-certified product. The ecolabel certification are based on three main concepts: the natural resources for sustainable production, ecological, and sosio-cultural. Indonesia must apply the fishery certification system because the damage level of coastal and marine ecosystems in Indonesia is very high. This paper explains the effectiveness of marine ornamental fish certification that has been conducted in Pangkep Regency, Indonesia. The program was conducted by a local certification department, International Certification Quality, in collaboration with COREMAP by using adopted standard of Marine Aquarium Council (MAC).
Rethinking Traditional Institutionals Participation in Coral Reef Resource Management Indar, Yusran Nur; Buhari, Nurliah
Journal of Indonesian Coral Reefs Vol 1, No 2 (2011)
Publisher : Journal of Indonesian Coral Reefs

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Abstract

Historical review indicated traditional institution has vital role in determining the success or the failure of community-based coastal resources management in many countries. Dynamic or different perceptions over the implementation of their traditional institution in this case might derived from communities dynamic over livelihood strategy, dependency upon the resources, perception over the resources and complexity of community and government institutional relations. Therefore, it is suggested that information on traditional institution implementation and understanding dynamics should become foundation in any nationally coral reefs rehabilitation and management initiation where local coastal communities are expected to success the program. This paper will focus on various aspects of traditional institution participation and its dynamic implementation in coral reef resources management that nationally initiated by COREMAP in South Sulawesi, Indonesia.
Wave Spectrum Change in The Vicinity of Artificial Reef Armono, Haryo D; Kurniawan, Andi; Akhwady, Rudhy; _, Sujantoko
Journal of Indonesian Coral Reefs Vol 1, No 2 (2011)
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Abstract

Artificial reefs have capability to enhance the environment, improve aesthetics and provide protection needed in certain coastal areas. The perforated hollow cylindrical shape artificial reefs are proposed as submerged breakwater due to characteristics that are not found in conventional breakwaters such as the water circulation and fish habitat enhancement capability. As submerged breakwater, the performance of artificial reefs are displayed by their capabilities in reducing wave energy. The change of wave energy spectrum in the vicinity of perforated hollow cylindrical shape artificial reefs is presented in this paper. The influence of wave steepness, relative reef height and relative reef width to the spectrum wave transmission were studied by physical model. The change of the wave spectrum were observed by comparing the area of the incoming wave spectrum to the transmitted wave spectrum. It is shown that the energy of incoming wave were reduced significantly by artificial reefs, providing the quiescent area in the shoreline.
Destructive Fishing in Coremap II area, Raja Ampat Sila, Ridwan; Kabera, Yuanike; Rumereb, Victor
Journal of Indonesian Coral Reefs Vol 1, No 1 (2011)
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Raja Ampat located in West Papua province is well know as region that has high diversity of marine life, particularly corals and coral fishes. Manu parts of the coastal and marine areas in the regios have been protected through the development of marine protected areas (MPAs). It has been known that destructive fishing has been one of the cause of the destruction of coral and marine life. The present study aims to identify the existence of the illegal fishing pratice by conducting a field survey using observatory and interview techniques, As many as 102 fishers from 10 villages were interviewed. The results of the study revealed that prominent existed destructive fishing was the use of explosive materials (fish bomb) by fisher from outside the Coremap areas (especially from Sorong). Local fisher used fishing gears, such as spears and handlines to catch fish in coral reefs in wich the impacts on coral may be minimal. Several factors that may sustain destructive fishing practice existing in the Coremap areas were ineffectiviness of monitoring, controlling, and surveylance (MCS) by government and localcommunity, lack of law enforcement and low economic capacity of community
Habitat Associations of Damselfish in Reefs of Varying Quality in The Wakatobi Marine National Park Ahmadia, Gabby N; Turner, Joseph A; Smith, David J.
Journal of Indonesian Coral Reefs Vol 1, No 3 (2012)
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Damselfishes are an abundant, specious group of fishes that are important functional components in coral reef systems. Many of these species have strong habitat associations thus are sensitive to changes in the coral reef habitat quality. The purpose of this study was to investigate the distributional patterns of damselfish in different coral reef zones in healthy and degraded reefs. Benthic and fish transects were carried out in different reef zones from the patch reef to reef slope. Life history changes and microhabitat associations were recorded for all damselfish species. Higher numbers of both adults and juveniles were found on the healthy reef, Hoga. Damselfish communities were also more distinct between zones on the healthy Hoga reef compared to the degraded Sampela reef likely attributed to the more homogenous benthic composition among zones in Sampela. Significantly lower numbers of juveniles were found on the reef slope, with no significant difference between the other three zones, indicating ontogenetic migration of adults into deeper zones. When abundance was analysed at species level more distinct patterns were observed. Damselfish clearly have preferences for particular microhabitat types, and this influences their overall distribution on coral reefs. Changes in fish communities between healthy and degraded reefs were observed as well, though it is less clear how this influences the dynamics of coral reefs. This study further reiterates the strength and nature of habitat associations of damselfish and provides insight into potential changes in distribution patterns when there is a decrease in overall habitat quality.

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