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Conditions of Seagrass Ecosystems in Ketapang Coastal Waters, West Lombok Regency: Kondisi Ekosistem Lamun di Perairan Pantai Ketapang Kabupaten Lombok Barat Muh Fahruddin; Anita Prihatini Ilyas
Habitus Aquatica Vol 4 No 1 (2023): Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/HAJ.4.1.17

Abstract

Ketapang coastal waters, West Lombok Regency is a coastal area where seagrass ecosystems are distributed, but so far there has been no research data explaining the condition of seagrass ecosystems. This study aims to determine the condition of the seagrass ecosystem in the coastal waters of Ketapang, West Lombok Regency. This research was conducted in November 2021 which is located in the coastal waters of Ketapang, West Lombok Regency. Sampling was carried out by purposive sampling method consisting of 3 observation stations. Seagrass samples were collected using line transects and quadrant transects measuring 50×50 cm2. The parameters observed included physical and chemical water quality, as well as seagrass density and coverage. The results of water parameter measurements are still at the threshold of water quality standards. The seagrass found were Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, and Halophila ovalis. The highest seagrass density was at station 1, 407 shoots/m2, while the lowest density was at station 3, 211 shoots/m2. The condition of the highest seagrass cover was found at station 1 and the lowest cover was found at stations 2 and 3.
Laju Pertumbuhan dan Tingkat Kelangsungan Hidup Karang Acropora Hasil Transplantasi Dengan Kedalaman Berbeda di Pesisir Desa Pulau Kaung Sumbawa: Laju pertumbuhan dan tingkat kelangsungan hidup karang Acropora hasil transplantasi pada kedalaman berbeda di Pesisir Desa Pulau Kaung, Sumbawa Muh Fahruddin; Tayzar Abdi Firmansyah; Zainul Arifin
Habitus Aquatica Vol 7 No 2 (2026): Habitus Aquatica : Journal of Aquatic Resources and Fisheries Management
Publisher : Department of Aquatic Resources Management, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/haj.%f

Abstract

Although many coral transplantation activities have been carried out, insufficient attention has been given to the optimal depth at which transplanted corals are placed. Therefore, it is necessary to conduct research on the growth of transplanted corals at different depths. This study aimed to determine how different depths affect the growth and survival of Acropora sp. The study used an experimental method involving three treatments at different depths: 2, 4, and 6 metres. The research was conducted over a period of three months on the coast of Kaung Island Village in Sumbawa Regency. The results showed that the highest growth and survival rates were found at a depth of 4 metres.