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All Journal Jurnal Sumberdaya Akuatik Indopasifik JFMR (Journal of Fisheries and Marine Research) Proceeding Simposium Nasional Kelautan dan Perikanan SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan TRITON : Jurnal Manajemen Sumberdaya Perairan Jurnal Abdi Insani International Journal of Marine Engineering Innovation and Research
Tupan, Charlotha Irenny
Faculty Of Fishery And Marine Science, Pattimura University, Jl. Mr. Chr. Soplanit, Kampus Poka, Ambon, Indonesia. 97233
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STRUKTUR KOMUNITAS LAMUN DAN BENTUK-BENTUK PEMANFAATAN EKOSISTEM LAMUN DI NEGERI AMAHAI KABUPATEN MALUKU TENGAH Sahalessy, Arielno; Siahainenia, Laura; Tupan, Charlotha I
TRITON: Jurnal Manajemen Sumberdaya Perairan Vol 19 No 1 (2023): TRITON: Jurnal Manajemen Sumberdaya Perairan
Publisher : Departement of Aquatic Resources Management, Fisheries and Marine Science Faculty, Pattimura University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30598/TRITONvol19issue1page64-77

Abstract

This research was conducted from January to March 2021 in the seagrass ecosystem of Amahai village, Maluku Tengah Regency. This study aims to analyze the structure of seagrass communities, identify utilization forms of the seagrass ecosystem, and formulate management directives in Amahai waters. Environmental parameter measurements included temperature, salinity, pH, current speed, and substrate conditions. Data collected to analyze the forms of ecosystem use were carried out in observation and interviews. Management directives were devised descriptively based on the results. The study shows that six types of seagrass are found, namely Enhalus acoroides, Halophila ovalis, Thalassia hemprichii, Cymodocea rotundata, Halodule pinifolia, and Syringodium isoetifolium. The highest value of species density, frequency, and proportion of closure is represented by Thalassia hemprichii which are 64.22 stands/m2, 0.74, and 17.77%, respectively; while the lowest value for species density and frequency is Syringodium isoetifolium that totals 11.69 stands/m2 and 0.15. Halophila ovalis takes the minor portion of closure at almost 5%. The water quality parameters measured are temperature, salinity, pH, and current speed ranging from 27 to 3oC, 26 ‰ to 32 ‰, 7 to 8, and 0.20 to 0,46 m/s. In addition, the sandy category dominates the substrates. People utilize the ecosystem for activities such as bameti/balobe, mariculture, fishing, tourism, and boat mooring. Three management directives are formulated to manage the waters. ABSTRAK Penelitian ini berlangsung pada bulan Januari sampai Maret 2021 yang berlokasi pada ekosistem lamun Negeri Amahai Kabupaten Maluku Tengah. Tujuan penelitian ini adalah untuk menganalisis struktur komunitas lamun, mengidentifikasi bentuk-bentuk pemanfaatan ekosistem lamun, dan merumuskan arahan pengelolaan di perairan Negeri Amahai. Pengukuran parameter lingkungan meliputi suhu, salinitas, pH, kecepatan arus dan kondisi substrat. Pengambilan data bentuk-bentuk pemanfaatan lamun dilakukan dengan dua cara yaitu observasi dan wawancara. Arahan pengelolaan dianalisis secara deskriptif yang didasarkan pada hasil penelitian. Berdasarkan hasil penelitian dijumpai enam jenis lamun yaitu Enhalus acoroides, Halophila ovalis, Thalassia hemprichii, Cymodocea rotundata, Halodule pinifolia dan Syringodium isoetifolium. Nilai kerapatan jenis, frekuensi jenis, persentase penutupan jenis tertinggi diwakili oleh jenis Thalassia hemprichii, yaitu 64,22 teg/m2, 0,74, dan 17,77%, sedangkan untuk nilai kerapatan jenis dan frekuensi jenis terendah diwakili oleh jenis Syringodium isoetifolium, yaitu 11,69 teg/m2 dan 0,15. Persentase penutupan terendah diwakili oleh jenis Halophila ovalisdengan nilai 4,48%. Hasil pengukuran parameter lingkungan di perairan Negeri Amahai menunjukkan suhu perairan 27-31oC, salinitas 26‰-32‰, pH 7-8, kecepatan arus 0,20-0,46 m/s, dan kondisi substrat yang dominan adalah berpasir. Bentuk-bentuk pemanfaatan ekosistem Negeri Amahai diantaranya aktivitas bameti/balobe, budidaya laut, penangkapan ikan, wisata dan tambatan perahu. Terdapat tiga arahan yang diformulasikan untuk tujuan pengelolaan perairan Amahai. Kata Kunci: Lamun, struktur komunitas, bentuk pemanfaatan, arahan pengelolaan, Amahai
DINAMIKA POPULASI LAMUN Thalassia hemprichii PADA PERAIRAN PANTAI LATERI, TELUK AMBON DALAM Tupan, Charlotha Irenny
JFMR (Journal of Fisheries and Marine Research) Vol. 3 No. 1 (2019): JFMR
Publisher : Faculty of Fisheries and Marine Science, Brawijaya University, Malang, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jfmr.2019.003.01.8

Abstract

Penelitian dinamika populasi telah banyak dilakukan terhadap hewan, namun pada tumbuhan masih jarang. Selama ini penelitian pertumbuhan lamun lebih banyak dilakukan dengan cara pengukuran panjang daun. Namun demikian pertumbuhan lamun dapat diketahui selain melalui panjang daun juga melalui panjang rhizoma. Dengan rhizoma dapat diketahui umur, sekaligus dapat diestimasi laju rekruitmen dan laju mortalitas. Penelitian ini bertujuan untuk mengetahui pertumbuhan rhizoma horizontal dan vertikal, estimasi struktur umur, laju rekruitmen dan laju mortalitas serta menentukan status populasi dari lamun Thalassia hemprichii dengan menggunakan teknik rekonstruksi. Penentuan umur lamun berdasarkan interval plastochrone. Laju rekruitmen diestimasi dari struktur umur tegakkan hidup, sedangkan laju mortalitas diestimasi dari struktur umur tegakkan mati. Penelitian ini dilakukan pada bulan April 2017. Laju pertumbuhan rhizoma horizontal diperoleh sebesar 9.41 cm.thn-1, dan laju pertumbuhan rhizoma vertikal sebesar 1.30 cm.thn-1. Tegakan lamun T. hemprichii paling muda ditemukan berumur 0.08 tahun dan paling tua berumur 7.44 tahun. Distribusi umur memperlihatkan beberapa model, yang mencerminkan adanya kohort. Laju rekruitmen diperoleh sebesar 0.98 thn-1, dan laju mortalitas sebesar 1.12 thn-1. Populasi lamun T. hemprichii Perairan Pantai Lateri, Teluk Ambon Dalam, berada pada kondisi penurunan yang ditunjukkan dengan nilai rekruitmen yang lebih kecil dari pada nilai mortalitas.
ARTI PENTING KEBERADAAN SUMBERDAYA MOLUSKA PADA WILAYAH PESISIR: PENDIDIKAN KARAKTER KONSERVASI BAGI GENERASI MUDA Uneputty, Prulley Annette; Pietersz, Janson Hans; Huliselan, Niette Vuca; Tuapattinaja, Maureen Alise; Tupan, Charlotha Irenny
Jurnal Abdi Insani Vol 11 No 3 (2024): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v11i3.1756

Abstract

Coastal areas have a relatively high diversity of aquatic organisms, including molluscs. The existence of molluscs has a significant role in maintaining environmental stability and supporting the socio-economic life of coastal communities. Coastal communities on Ambon Island often carry out mollusc utilization activities when seawater is low, which occurs in the morning, afternoon and evening. However, some also do it from evening to early morning. Using these molluscs can cause problems with the diversity and abundance of molluscs and their environmental habitat if carried out with high time intensity and volume of collection and using equipment that is not environmentally friendly. Based on these problems, it is necessary to carry out outreach activities for the younger generation, who are agents of change and successors of the nation, regarding the importance of the existence of mollusc resources in coastal areas for community life and the environment. This outreach activity is also part of the conservation character education that we want to provide from an early age. This activity is carried out through several stages: analyzing the problem and preparing and implementing activities. This service activity was attended by 50 students from class IX junior high school. Community service activities went well, and a very positive response was received from the participants. The success of this activity can also be seen from the participant's responses to the evaluation results before and after the activity, which showed a significant increase in their understanding and knowledge of the counselling material.
Growth and Production of Leaves Thalassia hemprichii on The Suli Coastal Waters, Ambon Island Charlotha Irenny Tupan; Prulley Anette Uneputty
International Journal of Marine Engineering Innovation and Research Vol. 2 No. 2 (2018)
Publisher : Department of Marine Engineering, Institut Teknologi Sepuluh Nopember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12962/j25481479.v2i2.6112

Abstract

The aims of this study were to analyze the growth rate, production and biomass of Thalassia hemprichii leaves on different substrates in Suli coastal waters, Ambon Island. Data were collected at muddy substrate and sandy substrate by using tagging method. Tagging was applied weekly to 30 seagrass shoots for one month on each station. The growth rate of Thalassia hemprichii leaves ranged from 0.27±0.45 to 0.46±0.53 cmday-1. Production ranged from 5.08 to 8.64 gADWm-2day-1 and the biomass ranged from 245 to 541 gADWm-2.. The growth and production of T. hemprichii leaves is higher in sandy substrates than in muddy substrates.
Co-Authors Bachmid, Salahuddin Ferdinandus Sangur Frederika S Pello Hulopi, Mahriyana Janson Hans Pietersz Koritelu, Johanis A Mamesah, Juliaeta A B Maureen A. Tuapattinaja Mintje Wawo Niette V. Huliselan Prulley Anette Uneputty Prulley Annette Uneputty Sahalessy, Arielno Selanno, Debby A J Sermatang, Jessico H Siahainenia, Laura Simatauw, Annielisye Tuapattinaja, Maureen A Tuapattinaja, Maureen Alise Uneputty, Prulley Annette