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Journal : Depik Jurnal Ilmu-Ilmu Perairan, Pesisir dan Perikanan

Karakteristik morfologi teritip spons Indonesia Sulistiono .; Mujizat Kawaroe; Hawis Madduppa; Romanus Edy Prabowo
Depik Vol 3, No 2 (2014): August 2014
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (953.137 KB) | DOI: 10.13170/depik.3.2.1553

Abstract

Abstract. Research on the sponge barnacle of Indonesia is very rare, and this study is aimed to describe the morphological characteristics of sponge barnacles and their specific relationship with their sponge host species. This research was a survey and sponge samples were collected by tearing apart any available sponge found in three sampling locations, typically coral reef areas of Weh Island, Seribu Islands, and Karimunjawa Islands. Sponge barnacles contained in sponge samples were observed using stereo microscope and scanning electron microscope, and species identification was determined based on the morphological description of Darwin (1854), Pilsbry (1916), Martin dan Davis (2001), and Kolbasov (1993). Four species of sponge barnacles were found consisting of Acasta cyathus, Acasta fenestrata, Euacasta dofleini, and Membranobalanus longirostrum. Specific relationships of barnacle and its sponge host were found between Euacasta dofleini and Haliclona sp. and between Membranobalanus longirostrum and Suberites sp. respectively. Keywords : sponge; barnacle; acasta; membranobalanus; biodiversityAbstrak. Penelitian teritip spons Indonesia jarang dilakukan sejak kelompok ini pertama kali dideskripsikan hingga saat ini. Tujuan dari penelitian ini adalah untuk mengkaji karakter morfologi teritip spons Indonesia dan untuk mengkaji hubungan spesies spesifik teritip terhadap spons. Pengambilan sampel pada penelitian ini dilaksanakan sejak Oktober sampai Desember 2012 di tiga lokasi yaitu Pulau Weh, Kepulauan Seribu, dan Kepulauan Karimunjawa. Metode penelitian menggunakan metode survei dan titik pengambilan sampel dipilih berdasarkan keberadaan spons. Sampel diamati menggunakan mikroskop stereo dan mikroskop elektron kemudian diidentifikasi berdasarkan deskripsi Darwin (1854), Pilsbry (1916), Martin dan Davis (2001), dan Kolbasov (1993). Hasil penelitian didapatkan empat spesies teritip spons yaitu Acasta cyathus, A. fenestrata, Euacasta dofleini, dan Membranobalanus longirostrum. Terdapat hubungan spesies spesifik antara teritip dan spons inang yaitu antara teritip E. dofleini dan spons Haliclona sp. dan antara teritip M. longirostrum dan spons Suberites sp. Kata kunci : teritip; spons; acasta; membranobalanus; biodiversitas
Struktur ekosistem lamun di Desa Teluk Bakau, pesisir bintan timur-Indonesia Aditya Hikmat Nugraha; Endang S Srimariana; Indra Jaya; Mujizat Kawaroe
Depik Vol 8, No 2 (2019): August 2019
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (723.666 KB) | DOI: 10.13170/depik.8.2.13326

Abstract

Abstract. Teluk Bakau Village is one of the largest conservation areas of seagrass ecosystem located in Bintan Island. This research aim to study the distribution of species, seagrass coverage and seagrass density in Teluk Bakau Village. The research was conducted at two stations, Beralas Pasir Island and Teluk Bakau Village Beach. Seagrass data collections are computed using transect quadrat method. The results of this study show that there is total 8 species of seagrasses found in the conservation area of seagrass ecosystem in Teluk Bakau, namelu Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, Cymodocea serulata, Halophila ovalis, Halophila minor, Syringodium isoetifolium and Halodule uninervis. The highest seagrass cover value was found at Beralas Pasir Island station about 47%, while in Teluk Bakau Village Beach station the seagrass coverage value was arround 29%. Based on these coverage value, the seagrass ecosystem in Teluk Bakau area fall in the category of medium conditon. The excistence of seagrass ecosystem in Teluk Bakau village is utilized by the community in small scale fisheries activity, therefore it is utmost important that its biodiversity and level of coverage are maintaned or even improved.Keywords: Bintan, conservation, coverage, seagrass, teluk bakau Abstrak. Desa Teluk Bakau merupakan salah satu kawasan konservasi ekosistem padang lamun yang terletak di Pulau Bintan. Penelitian ini bertujuan untuk mengkaji sebaran spesies, tutupan dan kerapatan lamun di Desa Teluk Bakau. Metode pengamatan ekosistem padang lamun dengan menggunakan metode transek kuadrat. Penelitian dilakukan di dua stasiun yaitu Pantai Timur Teluk Bakau dan Pulau Beralas Pasir. Hasil dari penelitian ini menunjukan bahwa total terdapat 8 spesies lamun yang ditemukan di kawasan konservasi ekosistem padang lamun di Teluk Bakau, meliputi spesies Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, Cymodocea serulata, Halophila ovalis, Halophila minor, Syringodium isoetifolium dan Halodule uninervis. Nilai tutupan lamun tertinggi ditemukan di stasiun Pulau Beralas Pasir sebesar 47% dan stasiun Pantai Desa Teluk Bakau memiliki nilai tutupan lamun sebesar 29%. Berdasarkan nilai tutupannya ekosistem padang lamun di kawasan Teluk Bakau berada dalam kondisi sedang. Keberadaan ekosistem lamun di Desa Teluk Bakau dimanfaatkan oleh masyarakat dalam aktivitas perikanan skala kecil, sehingga sangat penting untuk menjaga keberagaman dan nilai tutupan ekosistem lamun.Kata Kunci: Bintan, konservasi, lamun, Teluk Bakau, tutupan
Karakteristik morfologi teritip spons Indonesia Sulistiono .; Mujizat Kawaroe; Hawis Madduppa; Romanus Edy Prabowo
Depik Vol 3, No 2 (2014): August 2014
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.3.2.1553

Abstract

Abstract. Research on the sponge barnacle of Indonesia is very rare, and this study is aimed to describe the morphological characteristics of sponge barnacles and their specific relationship with their sponge host species. This research was a survey and sponge samples were collected by tearing apart any available sponge found in three sampling locations, typically coral reef areas of Weh Island, Seribu Islands, and Karimunjawa Islands. Sponge barnacles contained in sponge samples were observed using stereo microscope and scanning electron microscope, and species identification was determined based on the morphological description of Darwin (1854), Pilsbry (1916), Martin dan Davis (2001), and Kolbasov (1993). Four species of sponge barnacles were found consisting of Acasta cyathus, Acasta fenestrata, Euacasta dofleini, and Membranobalanus longirostrum. Specific relationships of barnacle and its sponge host were found between Euacasta dofleini and Haliclona sp. and between Membranobalanus longirostrum and Suberites sp. respectively. Keywords : sponge; barnacle; acasta; membranobalanus; biodiversityAbstrak. Penelitian teritip spons Indonesia jarang dilakukan sejak kelompok ini pertama kali dideskripsikan hingga saat ini. Tujuan dari penelitian ini adalah untuk mengkaji karakter morfologi teritip spons Indonesia dan untuk mengkaji hubungan spesies spesifik teritip terhadap spons. Pengambilan sampel pada penelitian ini dilaksanakan sejak Oktober sampai Desember 2012 di tiga lokasi yaitu Pulau Weh, Kepulauan Seribu, dan Kepulauan Karimunjawa. Metode penelitian menggunakan metode survei dan titik pengambilan sampel dipilih berdasarkan keberadaan spons. Sampel diamati menggunakan mikroskop stereo dan mikroskop elektron kemudian diidentifikasi berdasarkan deskripsi Darwin (1854), Pilsbry (1916), Martin dan Davis (2001), dan Kolbasov (1993). Hasil penelitian didapatkan empat spesies teritip spons yaitu Acasta cyathus, A. fenestrata, Euacasta dofleini, dan Membranobalanus longirostrum. Terdapat hubungan spesies spesifik antara teritip dan spons inang yaitu antara teritip E. dofleini dan spons Haliclona sp. dan antara teritip M. longirostrum dan spons Suberites sp. Kata kunci : teritip; spons; acasta; membranobalanus; biodiversitas
Struktur ekosistem lamun di Desa Teluk Bakau, pesisir bintan timur-Indonesia Aditya Hikmat Nugraha; Endang S Srimariana; Indra Jaya; Mujizat Kawaroe
Depik Vol 8, No 2 (2019): August 2019
Publisher : Faculty of Marine and Fisheries, Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13170/depik.8.2.13326

Abstract

Abstract. Teluk Bakau Village is one of the largest conservation areas of seagrass ecosystem located in Bintan Island. This research aim to study the distribution of species, seagrass coverage and seagrass density in Teluk Bakau Village. The research was conducted at two stations, Beralas Pasir Island and Teluk Bakau Village Beach. Seagrass data collections are computed using transect quadrat method. The results of this study show that there is total 8 species of seagrasses found in the conservation area of seagrass ecosystem in Teluk Bakau, namelu Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, Cymodocea serulata, Halophila ovalis, Halophila minor, Syringodium isoetifolium and Halodule uninervis. The highest seagrass cover value was found at Beralas Pasir Island station about 47%, while in Teluk Bakau Village Beach station the seagrass coverage value was arround 29%. Based on these coverage value, the seagrass ecosystem in Teluk Bakau area fall in the category of medium conditon. The excistence of seagrass ecosystem in Teluk Bakau village is utilized by the community in small scale fisheries activity, therefore it is utmost important that its biodiversity and level of coverage are maintaned or even improved.Keywords: Bintan, conservation, coverage, seagrass, teluk bakau Abstrak. Desa Teluk Bakau merupakan salah satu kawasan konservasi ekosistem padang lamun yang terletak di Pulau Bintan. Penelitian ini bertujuan untuk mengkaji sebaran spesies, tutupan dan kerapatan lamun di Desa Teluk Bakau. Metode pengamatan ekosistem padang lamun dengan menggunakan metode transek kuadrat. Penelitian dilakukan di dua stasiun yaitu Pantai Timur Teluk Bakau dan Pulau Beralas Pasir. Hasil dari penelitian ini menunjukan bahwa total terdapat 8 spesies lamun yang ditemukan di kawasan konservasi ekosistem padang lamun di Teluk Bakau, meliputi spesies Enhalus acoroides, Thalassia hemprichii, Cymodocea rotundata, Cymodocea serulata, Halophila ovalis, Halophila minor, Syringodium isoetifolium dan Halodule uninervis. Nilai tutupan lamun tertinggi ditemukan di stasiun Pulau Beralas Pasir sebesar 47% dan stasiun Pantai Desa Teluk Bakau memiliki nilai tutupan lamun sebesar 29%. Berdasarkan nilai tutupannya ekosistem padang lamun di kawasan Teluk Bakau berada dalam kondisi sedang. Keberadaan ekosistem lamun di Desa Teluk Bakau dimanfaatkan oleh masyarakat dalam aktivitas perikanan skala kecil, sehingga sangat penting untuk menjaga keberagaman dan nilai tutupan ekosistem lamun.Kata Kunci: Bintan, konservasi, lamun, Teluk Bakau, tutupan