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All Journal Jurnal Kelautan Tropis Jurnal Sumberdaya Akuatik Indopasifik JOURNAL OF APPLIED INFORMATICS AND COMPUTING ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Jurnal Pengabdian Pada Masyarakat
Baigo Hamuna
Universitas Cenderawasih
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Analisis Perubahan Garis Pantai Menggunakan Digital Shoreline Analysis System: Studi Kasus Wilayah Pesisir Kota Jayapura, Provinsi Papua Baigo Hamuna; John Dominggus Kalor
ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua Vol 5, No 2 (2022): ACROPORA: Jurnal Ilmu Kelautan dan Perikanan Papua
Publisher : Cenderawasih University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31957/acr.v5i2.2725

Abstract

Study of shoreline change is an important step in understanding the dynamics in the coastal area in Jayapura City and is a first step to reduce the risk of coastal erosion and also minimize social, physical and economic losses. This research was conducted in the coastal area of Yos Sudarso Bay, Jayapura City, Papua Province by utilizing multi-temporal Landsat satellite imagery (Landsat 5 TM, Landsat 7 ETM+ and Landsat 8 OLI-TIRS) for 1994, 2000, 2007, 2014 and 2020. Analysis Shoreline changes are determined using the Digital Shoreline Analysis System (DSAS). End Point Rate (EPR), Net Shoreline Movement (NSM) and Linear Regression Rate (LRR) are used to calculate the rate of change of the coastline and predictions of change of the coastline for the next 10 years. The results showed that in the period 1994-2000 there was an area of 535749.22 m2 of abrasion and 399361.87 m2 of accretion. During the 2000-2007 period, 453,876.10 m2 of abrasion occurred and 447,121.39 m2 of accretion. In the 2007-2014 period there was 781,274.83 m2 of abrasion and 259,221.26 m2 of accretion. In the 20014-2020 period, 93,328.79 m2 of abrasion occurred and 74,204.42 m2 of accretion. Spatially, the coastal areas of Yos Sudarso Bay, Jayapura City, which experienced abrasion included Holtekamp Beach, Hamadi Beach, and a small part in Youtefa Bay, while those that experienced accretion included DOK II Beach, Entrop Beach, Ciberi Beach, in Youtefa Bay and Cape Ria. The shoreline changes rate (LRR) in the coastal area of Yos Sudarso Bay, Jayapura City due to abrasion in the period 1994 to 2020 is 0.89 m/year, while the shoreline change rate due to accretion is 0.70 m/year. Based on the prediction of shoreline changes at Holtekamp Beach, it is predicted that the highest abrasion will occur as far as 50.19 m with an average abrasion distance of 20.22 m, while the highest accretion is as far as 19.19 m with an average accretion distance of 10.55 m.
Transplantasi Karang dengan Metode SPIDER di Pantai Harlen Kampung Tablasupa Kabupaten Jayapura Provinsi Papua Yunus Pajanjan Paulangan; Syafyudin Yusuf; Barnabas Barapadang; Baigo Hamuna; Kristopholus Rumbiak; Popi Ida Laila Ayer; Vera Kostansie Mandey; Efray Wanimbo; Natan Baransano
Jurnal Pengabdian Pada Masyarakat Vol 8 No 3 (2023): Jurnal Pengabdian Pada Masyarakat
Publisher : Universitas Mathla'ul Anwar Banten

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30653/jppm.v8i3.359

Abstract

Ekosistem terumbu karang merupakan salah satu ekosistem utama di wilayah pesisir dan laut yang memiliki peran yang sangat besar terutama dalam mendukung sektor perikanan dan pariwisata. Perairan pantai Harlen Kampung Tablasupa memiliki ekosistem terumbu karang yang baik dan potensial untuk dimanfaatkan demi peningkatan kesejahteraan masyarakat. Ironisnya, pada beberapa lokasi telah mengalami kerusakan akibat penangkapan ikan yang menggunakan bahan peledak (bom) maupun akar tuba. Oleh karena itu, perlu upaya rehabilitasi yang telah rusak salah satunya dengan transplantasi karang. Transplantasi karang merupakan teknologi memperbanyak koloni dengan memanfaatkan reproduksi aseksual karang secara fragmentasi dari suatu koloni karang. Transplantasi bertujuan untuk mempercepat regenerasi karang yang telah mengalami kerusakan. Metode yang digunakan adalah metode rangka besi yang menyerupai jaring laba-laba sehingga dikenal dengan Metode Spider. Kegiatan ini dilaksanakan oleh Pusat Studi Sumber Daya Kelautan dan Perikanan Universitas Cenderawasih dengan melibatkan beberapa mitra dengan dukungan pendanaan dari PT PLN (Persero) Unit Induk Wilayah Papua dan Papua Barat melalui Program PLN Peduli. Hasil transplantasi menunjukkan bahwa metode Spider sangat berhasil, dimana tingkat kelangsungan hidup mencapai 92%. Tingkat kelangsungan hidup tersebut diduga karena pemilihan lokasi yang tepat dan kemampuan jenis yang ditransplantasi dapat beradaptasi terhadap lingkungan perairan sekitarnya. Coral reef ecosystems are one of the main ecosystems in coastal and marine areas which have a very large role, especially in supporting the fisheries and tourism sectors. The coastal waters of Harlen Kampung Tablasupa have a good coral reef ecosystem and have the potential to be utilized for improving people's welfare. Ironically, several locations have been damaged by fishing using blast fishing and tuba roots poison. Therefore, rehabilitation efforts that have been damaged are needed, one of which is coral transplantation. Coral transplantation is a technology to multiply colonies by utilizing the asexual reproduction of corals by fragmentation of a coral colony. Transplantation aims to accelerate the regeneration of corals that have been damaged. The method used is the Spider Method. This activity was carried out by the Center for the Study of Marine and Fisheries Resources, University of Cenderawasih, involving several partners with funding support from PT PLN (Persero) Unit Induk Wilayah Papua and Papua Barat through the PLN Care Program. The results showed that the Spider method was very successful with a 92% survival rate. The survival rate is thought to be due to the selection of the right location and the ability of the transplanted species to adapt to the surrounding aquatic environment.
Co-Authors Alfred Dimara Alianto , Andy Triwinarko Barnabas Barapadang Basa T Rumahorbo Caecilia Paramma Efray Wanimbo John Dominggus Kalor John Dominggus Kalor Kristopholus Rumbiak Laura Nikita Lisiard Dimara Mandey, Vera Kostansie Matias Dimara Muhammad Zulfikarrahman Natan Baransano Nyoman M N Natih Popi Ida Laila Ayer Sembel, Luky Sri Pujiyati Syafyudin Yusuf Yorry Kambanussy Yunus Pajanjan Paulangan Zaki A Agha