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All Journal AQUATIC SCIENCE & MANAGEMENT JURNAL ILMIAH PLATAX JURNAL PERIKANAN DAN KELAUTAN TROPIS
Farnis B Boneka
Fakultas Perikanan dan Ilmu Kelautan, Universitas Sam Ratulangi, Manado, Sulawesi Utara
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Environmental Science

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Abundance of coral-polyp-eating gastropods Drupella cornus in Bunaken National Park, Indonesia: indicating anthropogenic impact? Boneka, Farnis B; Mamangkey, N Gustaf F
AQUATIC SCIENCE & MANAGEMENT Vol 1, No 1 (2013): April
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jasm.1.1.2013.1961

Abstract

Corallivorous gastropods, Drupella cornus are living in the Indo Pacific coral reefs. To assess the distribution of the snails at Bunaken National Park in Indonesia, a study has been conducted on three zones established in three main islands of the park: core, tourism, and exploitation zones. The zones represent degrees of human interventions in which the least intervention is for core zone, moderate for tourism zone and high for the exploitation zone. The results showed that degrees of human interventions are related to the density of snails where the least human intervention zone (the core zone) had low numbers of snails while the high human intervention (exploitation) zone had high numbers of snails. Three corals in the zones that were preferred by the snails were: Montipora spp., Acropora spp., and Porites spp. The numbers of snails living on the corals followed the percent of coral cover© Gastropod pemakan polip karang, Drupella cornus hidup di areal terumbu karang Indo-Pasifik. Untuk mengetahui distribusi dari siput di Taman Nasional Bunaken, sebuah studi telah dilakukan pada tiga zona yang ditetapkan di tiga pulau utama di taman nasional ini: zona inti, zona pariwisata, dan zona pemanfaatan. Hasil penelitian ini menunjukkan bahwa tinggi-rendahnya intervensi manusia berhubungan dengan kepadatan siput di mana zona yang memiliki intervensi terendah (zona inti) memiliki jumlah siput sedikit sementara zona dengan intervensi tertinggi (zone pemanfaatan) memiliki jumlah siput terbanyak. Tiga spesies karang di ketiga zona ini yang disukai oleh siput adalah Montipora spp., Acropora spp., and Porites spp. Jumlah siput yang hidup di karang mengikuti jumlah persen tutupan karang©
SIPUT GASTROPODA PADA ALGA MAKRO DI TANJUNG ARAKAN DAN PULAU NAIN, SULAWESI UTARA Nono, Davidson R; Boneka, Farnis B; Gerung, Grevo S
JURNAL PERIKANAN DAN KELAUTAN TROPIS Vol 9, No 2 (2013)
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jpkt.9.2.2013.4173

Abstract

Pengambilan sampel dilakukan di Taman Nasional Bunaken yakni Pantai Pulau Nain dan Tanjung Arakan pada bulan Februari 2012. Penelitian dimulai dengan menyusuri pantai pada pagi hingga siang hari saat air sedang surut dengan menggunakan alat snorkeling. Penelitian ini berhasil menemukan 15 jenis siput dari 9 famili dan 5 jenis alga makro dari 3 famili.  Komunitas siput gastropoda di kedua stasiun penelitian memiliki nilai indeks kesamaan sebesar 63%. Sedangkan komunitas alga makro memiliki nilai indeks kesamaan sebesar 75%. Hal tersebut menyatakan bahwa siput gastropoda dan alga makro di kedua stasiun penelitian relatif memiliki kesamaan dalam komposisi jenis. Untuk siput jenis Strombus labiatus, Strombus sp 1, Strombus urceus, Pyrene scripta, Cerithium rostratum, Cymatium vespacium, Phasianella solida, Vexillum vulpecullum, Gyrineum bituberculare dan Clanculus atropurpureus lebih cenderung memilih alga makro jenis Halimeda opuntia sebagai habitatnya. Relung ekologi Pyrene scripta di Tanjung Arakan dan Pulau Nain memiliki nilai yang tertinggi (maksimum). Hal ini menandakan bahwa siput Pyrene scripta merupakan siput yang generalis karena tersebar pada hampir seluruh jenis alga makro. Kata kunci: Taman Nasional Bunaken, gastropoda, alga makro, kesamaan komunitas, relung ekologi.   Samples were collected from Nain Island and Arakan Cape in Bunaken National Park area, in February 2012. The collection was conducted by snorkeling along the coastline in the morning, when the tide was low. This study found 15 species of slugs from nine families and 5 species of macro algae from three families. Communities of gastropod snails in both research stations have similarity index value of 63%, while the macro algae communities have similarity index value of 75%. This indicated that the gastropod snails and macro algae from both study sites were relatively similar concerning their species composition. Some slugs such as Strombus labiatus, Strombus sp 1, Strombus urceus, Pyrene scripta, Cerithium rostratum, Cymatium vespacium, Phasianella solida, Vexillum vulpecullum, Gyrineum bituberculare and Clanculus atropurpureus were more likely to choose the Halimeda Opuntia macro algae as their habitat. Ecological niche of Pyrene scripta on the Arakan Cape and Nain Island showed the highest value (maximum). This indicated that Pyrene scripta are generalized species that lived on nearly all types of macro algae.Keywords: Bunaken National Park, gastropoda, macro algae, similarity community, ecological niche.
Identification And Diversity Of Crab In Pondang And Lopana Beach Waters, South Minahasa Lepa, Bryan Gabriel; Paransa, Darus Saadah J; Mantiri, Desy M. H; Boneka, Farnis B; Lumoindong, Frans; Tilaar, Ferdinand F.
Jurnal Ilmiah Platax Vol. 10 No. 1 (2022): ISSUE JANUARY-JUNE 2022
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.v10i1.38004

Abstract

There are crab species that live in the forest and supratidal areas, on sandy, rocky, and muddy coastal areas. The aim of this research is to identify the morphology, of meristic crabs and the effect of the moon phase on species diversity. Sampling locations were on the coast of Pondang Village and Lopana Village, sampling using the roaming method and carried out at the two lowest low tide phases during the dead moon and full moon phases, during the lowest low tide crabs were generally found with walking legs. Based on the identification of the morphology of crabs found on the coast of Pondang Village and Lopana Village, East Amurang District, South Minahasa Regency, there are six species of them Ocypode ceratophthalmus (Stimpson, 1858), Grapsus albolineatus (Latreille in Milbert, 1892), Eriphia sebana (Shaw and Nodder, 1803), Atergatis floridus (Linnaeus, 1767), Pilumnus vespertilio (Fabricius, 1793), Episesarma mederi (Edwards, 1853). Keywords: Coastal; Habitat; Crabs; Morphology; meristic AbstrakTerdapat jenis kepiting yang hidup di daerah hutan dan supratidal, di daerah pesisir pantai berpasir, berbatu dan berlumpur. Tujuan penelitian mengidentifikasi secara morfologi, meristik kepiting dan pengaruh fase bulan terhadap keanekaragaman spesies. Lokasi pengambilan sampel di pesisir pantai Kelurahan Pondang dan Desa Lopana, pengambilan sampel menggunakan metode jelajah serta dilakukan pada dua fase surut terendah saat fase bulan mati dan purnama, saat surut terendah umumnya dijumpai kepiting yang memiliki kaki jalan. Berdasarkan identifikasi morfologi kepiting yang ditemukan di pesisir pantai Kelurahan Pondang dan Desa Lopana, Kecamatan Amurang Timur, Kabupaten Minahasa Selatan, terdapat enam spesies antaranya Ocypode ceratophthalmus (Stimpson, 1858), Grapsus albolineatus (Latreille dalam Milbert,1892), Eriphia sebana (Shaw dan Nodder, 1803), Atergatis floridus  (Linnaeus, 1767), Pilumnus vespertilio (Fabricius, 1793), Episesarma mederi (Edwards, 1853). Kata Kunci : Pesisir; Habitat; Kepiting; Morfologi; Meristik
Co-Authors Darus S. Paransa Davidson R Nono Frans Lumoindong, Frans Grevo S Gerung Lepa, Bryan Gabriel Mantiri, Desy M. H N Gustaf F Mamangkey Tilaar, Ferdinand F.