Recent coral reef conditions in Weh Island, Aceh Province, Indonesia

Utama, Rizkie Satriya; Hadi, Tri Aryono

doi:10.13057/oceanlife/o020202

Cited by 2 publications

(2 citation statements)

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“…High composition of reef fish species particularly Carangidae and Scaridae families, might be influenced by coral reef ecosystems around Weh Island. According to Utama and Hadi (2018), Weh Island water has a 10% to 57% coverage of live coral, and most of this coral is still in good condition. As many as 82 species, 13 families and 31 genera of coral reefs were found in the waters of Weh Island and dominated by the families Poritidae (17%), Acroporidae (3%), Helioporidae (3%), and Faviidae (2%).…”

Section: Discussionmentioning

confidence: 99%

“…Weh Island (95°13'02"-95°22'36" E and 05°46'28"-05°54'-28" N) is located on the northern tip of Sumatra and surrounded by Andaman Sea, Malacca Strait, and Indian Ocean (Campbell et al 2012;Fadli et al 2020). Its coastal topography is characterized by a rocky substrate and white sand, with approximately 10% to 57% coral cover in the littoral waters zone (Baird et al 2011;Utama and Hadi 2018). Data (fish fauna, local name, Indonesian name and fish price) were collected from the three fish markets in…”

Section: Study Area and Data Collectionmentioning

confidence: 99%

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Commercial marine fish species from Weh Island, Indonesia: Checklist, distribution pattern and conservation status

et al. 2022

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Abstract. Zulfahmi I, Apriansyah M, Batubara AS, Kautsari N, Sumon KA, Rahman MM, Nur FM. 2022. Commercial marine fish species from Weh Island, Indonesia: Checklist, distribution pattern and conservation status. Biodiversitas 23: 1977-1989. In this study, we first report a systematic checklist of commercial marine fish species from Weh Island, Indonesia, including notes on their distribution pattern, conservation status, and commercial value. Fish sampling was conducted at three major fish markets in Weh Island, and these specifically were Cangkoan Fish Market, Kuta Timu Fish Market, and Balohan Fish Market. A total of 50 fish species belonging to 8 orders and 24 families were documented. Carangidae (12%, 6 species) was the predominant family, followed by the Scaridae (10%, 5 species) and other families (78%, 22 families, 39 species). Based on the IUCN red list, commercial marine fish species in Weh Island were dominated by the "Least Concern" category (78%, 39 species), followed by the "Not Evaluated" (14%, 7 species), the "Near Threatened" (4%, 2 species), and the "Data Deficient" (4%, 2 species). The market price of the fish ranged from 0.34 USD/kg to 6.19 USD/kg, with three fish families included in the high commercial value, namely the Clupeidae, Carcharhinidae, and Serranidae.

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Section: Discussionmentioning

confidence: 99%

Section: Study Area and Data Collectionmentioning

confidence: 99%

Commercial marine fish species from Weh Island, Indonesia: Checklist, distribution pattern and conservation status

et al. 2022

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In-situ electro-stimulation enhanced branching but not massive scleractinian coral growth

et al. 2022

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Calcium carbonate (CaCO3) is the main component of the skeleton of scleractinian corals and is a preferable substrate for attachment and growth. An electro-stimulation method based on the electrolysis of seawater, which generates calcium and magnesium minerals as a crystalline coating over artificial metal structures, was used to boost coral growth during the 1970s. Few studies have attempted to compare survival and growth between electro-stimulated corals and non-electro-stimulated corals in situ. In this study, we used 2D image analysis to quantify the growth of branching and massive corals on electro-stimulated structures. Among four metallic structures that were deployed in Sabang, Aceh, Indonesia, three were electro-stimulated (12 V) and one was used as a control. Two branching corals (Acropora gemmifera and Pocillopora verrucosa) and two massive coral species (Porites murrayensis and Porites lobata) were selected. A total of 256 fragments, comprising 128 fragments derived from two branching species and 128 fragments derived from two massive species, were randomly dispatched to each structure. Underwater photographs were taken at three intervals from August 2019 to December 2020. The results showed that the survival rates (excluding lost fragments) of branching corals under electro-stimulation were approximately 19% higher than massive. However, no significant difference was found between the survival rates of the treatment and control groups for both branching and massive corals. Furthermore, we found that under electro-stimulation, branching corals grew faster than controls but not massive. Our study provides pieces of evidence for the potential use of electrochemical processes in stimulating the growth of branching corals.

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Recent coral reef conditions in Weh Island, Aceh Province, Indonesia

Cited by 2 publications

References 19 publications

Commercial marine fish species from Weh Island, Indonesia: Checklist, distribution pattern and conservation status

Commercial marine fish species from Weh Island, Indonesia: Checklist, distribution pattern and conservation status

In-situ electro-stimulation enhanced branching but not massive scleractinian coral growth

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