Chair Rani
Staf Pengajar Jurusan Ilmu Kelautan, FIKP Unhas

Published : 12 Documents
Articles

Found 12 Documents
Search

KONDISI TELUR PADA BERBAGAI BAGIAN CABANG KARANG Acropora nobilis

Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Vol 11, No 1 (2004): Juni 2004
Publisher : Institut Pertanian Bogor

Show Abstract | Original Source | Check in Google Scholar | Full PDF (301.031 KB)

Abstract

Penelitian ini bertujuan untuk mengetahui distribusi telur menurut tingkat perkembangannya, rataan jumlah telur per polip dan proporsi polip yang reproduktif pada berbagai bagian cabang karang A. nobilis. Sebanyak 10 koloni A. nobilis yang berdiameter > 15 cm diambil contohnya secara acak di bagian barat laut perairan terumbu karang Pulau Barrang Lompo, Kepulauan Spermonde, Makassar pada tanggal 27 Januari 2002 (satu hari sebelum bulan purnama). Polip dari tiga bagian cabang (apikal, tengah dan basal) diperiksa jumlah telur yang dikandungnya secara histologis. Terdapat interaksi antara pertumbuhan dan reproduksi terhadap alokasi sumber daya pada berbagai bagian koloni karang. Alokasi sumber daya terhadap fungsi biologi tertentu akan mengorbankan fungsi biologi lainnya. Pertumbuhan karang yang terlokalisasi pada bagian tertentu suatu koloni karang berhubungan dengan rendahnya aktivitas reproduksi. Hasil penelitian menunjukkan adanya perbedaan yang nyata (p < 0.001) distribusi telur menurut tingkat perkembangannya pada berbagai bagian cabang karang. Bagian tengah cabang memiliki proporsi polip karang yang berkaitan dengan lokasi energi untuk pertumbuhan yang lebih reproduktif (100%) dengan kandungan rataan jumlah telur yang lebih tinggi (5.22 butir/potongan polip) dibanding bagian apikal dan basal cabang.Kata kunci: Distribusi, telur, cabang karang, Acropora nobilis

Studi Awal: Desain Jejaring Kawasan Konservasi Perairan di Pantai Barat Sulawesi Selatan

Jurnal Ilmu Kelautan SPERMONDE Vol 2, No 2 (2016)
Publisher : Jurnal Ilmu Kelautan SPERMONDE

Show Abstract | Original Source | Check in Google Scholar

Abstract

This study was related to government policies , especially PP No 60 / 2007 article 19 of the mandate of the establishment of network of marine conservation areas in various levels, both local ( provincial ), national, regional and global. One aspect is the establishment of a network of ecological data availability . The method used is the spatial analysis techniques combined with field surveys in the waters of the West Coast of South Sulawesi , especially in the waters of Makassar . Research shows that the condition of each ecosystem ; seagrass with range from 32.5 to 72.5 % with an average of 54 % (Good Condition) condition of coral reef ecosystems which range covered of 17.5 to 57.5 % with an average of 39.5 , % (critical condition ) and condition of mangrove ecosystem with moderate conditions with an area 142 hectares which in the category of dence

Prediksi Daerah Potensial Penangkapan Ikan Pelagis Besar di Daerah Kabupaten Mamuju

Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
Publisher : Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan

Show Abstract | Original Source | Check in Google Scholar | Full PDF (700.287 KB)

Abstract

Large pelagic species such as tuna are known to be abundant in Mamuju Waters,  Makassar Strait.  The distribution and abundance of the fish in that area are expected to be  related to the distributions of sea surface temperature and chlorophyll-a concentration. This study aims to predict spatial and temporal distribution of the species during the period of June 2013-May 2014.  Probability indices used for detection of tuna potential fishing zones (PFZs) were constructed from a model of satellite-based SST and chlorophyll data in relation to tuna fishery. Results showed that the occurrence of tuna species in Mamuju Water were mostly predicted in areas of 118°12’-118°48’ E 1°48’ – 2°30’S with the total area of approximately 7,495 km2.   The potential fishing zones were mainly found in August.  It was likely that tuna potential fishing zones associated with the preferred oceanographic factors throughout the study area.

Aplikasi Metode Multycriteria Decision Making (MCDM)dengan Teknik Pembobotan Dalam Mengidentifikasi dan Mendesain Kawasan Konservasi Perairan Daerah di Kabupaten Luwu Utara, Provinsi Sulawesi Selatan

Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 1, No 2 (2014)
Publisher : Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan

Show Abstract | Original Source | Check in Google Scholar | Full PDF (1780.473 KB)

Abstract

The study, in 2012, has successfully formulated with the MCDM for each allocation of  space in KKPD allotment (core areas, sustainable fisheries zone, used zone, and other zones). This weighting techniques need to be tested and  be implemented in identifying and designing the KKPD in the study area. This study aims to identify and map the biophysical conditions and the potential of coastal and marine natural resources in marine conservation area candidate, North Luwu Regency; to identify the areas suitable for the KKPD based on weighting technique with the MCDM method; and to evaluate potential candidates for marine protected areas in the coastal region. This study used a survey method to perform in  situ measurements of physico-chemical parameters, conducted a survey of coastal ecosystems using the transect method. The socio-economic data of coastal communities were collected using the questionnaire. The biophysical conditions and marine resources were analyzed using descriptive statistical methods. The results showed that the candidate region has a rich diversity  of coastal ecosystems, but the ecosystem, particularly seagrass beds and coral reefs have been in damaged category. Only the mangrove ecosystem that was still in a good condition category with moderate-to-heavy levels of density. There were 6 species of seagrasses and 6 species of mangroves and 71 species of reef fish. It was discovered 2 regions  corresponding to the allotment of the Core Zone, which is in the Region I and III with the total area of 654.22 hectares. For sustainable fisheries zone, Region  II and IV would be the first choice with the total area of 620.27 hectares. The Used Zone was identified in the Region V with total area of 480.66 hectares. The total area of the region was equal to 1755.15 hectares. Marine protected areas of was suggested to the protection of coastal ecosystems including mangroves, seagrass beds, and coral reefs and its associated biota, especially the protection of local feeding ground of several species (sea turtles and dugongs). 

KEBERHASILAN REHABILITASI TERUMBU KARANG AKIBAT PERISTIWA BLEACHING TAHUN 2016 DENGAN TEKNIK TRANSPLANTASI

Jurnal Ilmu Kelautan SPERMONDE Vol 3, No 1 (2017)
Publisher : Jurnal Ilmu Kelautan SPERMONDE

Show Abstract | Original Source | Check in Google Scholar | Full PDF (419.973 KB)

Abstract

The purpose of this study was to analyze the succesfullnes use of two coral reef transplantation methods in the rehabilitation ofcoral reefs damaged by the phenomenon of bleaching in 2016 at the waters of Liukangloe Island, Bulukumba, South Sulawesi.In this study two methods were implemented, i.e. methods frame-spider and methods of nails-natural substrates, with 5 unitsas replication, respectively. A total of three kinds of branching corals weretransplanted, namely Acropora robusta, Poritescylindrica, and Pocillopora verrucosa. On each unit transplantation models, attached 6 coral fragments with branch length of5-12 cm for each kind of corals. A total of 3 fragments for each species of corals were labeled and coded for the survival rateand absolute growth monitoring. All five unit of experiments on each model are placed on two areas separately and placedrandomly with depths ranging from 3-4 m in the northern part of island. Observations survival rate and absolute growth of coraltransplant were conducted for every 2 weeks for 28 days by counting the dead coral fragment or missing and measure the lengthof transplant coral branch with a measuring ruler. The effectiveness of the two methods was analyzed based on the survival andgrowth of the absolute value of coral transplant. Survival rate were analyzed descriptively and the average values of absolutegrowth were analyzed by t-student. The use of frame-spider methods and methods of nails-natural substrates as effective inrehabilitating the coral reefs from bleaching phenomenon based on the parameters of survival and growth of Acropora robusta,Porites cylindrica, and Pocillopora verrucosaKeywords: Transplantation methods, coral reef, bleaching coral, Liukang Loe Island

SINTASAN DAN PERTUMBUHAN TRANSPLANTASI KARANG HIAS ACROPORA SP DI DESA TONYAMAN, KECAMATAN BINUANG, KABUPATEN POLEWALI MANDAR

Jurnal Ilmu Kelautan SPERMONDE Vol 3, No 2 (2017)
Publisher : Jurnal Ilmu Kelautan SPERMONDE

Show Abstract | Original Source | Check in Google Scholar | Full PDF (868.652 KB)

Abstract

Culture of ornamental corals applying transplantation technique was aimed to know the successful of this transplantation technique in the ornamental coral culture based on its growth and survival rate of various coral fragments. The location of the medium settlement was in the western side of the waters of Tonyaman Village, Binuang Subdistrict, Polewali Mandar Regency with 3-4 meter depth during low tide. One of coral species i.e. Acropora  sp with 48 fragments was put on 4 transplantation tables. During the experiment, cleaning of fungi and biofouling at the transplant tables and the culture tables. Measurements of the absolute growth and survival rate were done at the 21st day using calliphers and numbers of dead and live fragments were counted directly. Coral transplantation workshop for ornamental coral culture was attended by 4 fisherman groups with total 23 participants. This event was understood by the training participants from the seed selection to the monitoring. Number of coral fragment cultured was 48 fragments obtained from one of stony corals (Scleractania), i.e. Acropora  sp. The range of survival rate that has been cultured for 21 days was adequately high i.e. 91.7 – 100 %. The highest survival rate was observed at the transplant table B, i.e. 100%, whereas, the table A, C, and D were 91.7 %. Average absolute growth of the coral Acropora  sp cultured during this study were ranged from 4.2 – 4.9 mm/month. Aaverage absolute growth was found at table transplant B and C, while the lowest value was observed at the transplant table D.Keywords: cultivation, ornamental coral, transplantation technique, Tonyaman

TEMPORAL DYNAMICS OF EUTROPHICATION LEVEL AND SEDIMENTATION RATE IN CORAL REEF AREA OF SPERMONDE AND SEMBILAN ISLANDS, SOUTH SULAWESI

Jurnal Ilmu Kelautan SPERMONDE Vol 4, No 1 (2018)
Publisher : Jurnal Ilmu Kelautan SPERMONDE

Show Abstract | Original Source | Check in Google Scholar | Full PDF (635.469 KB)

Abstract

Spermonde and Sembilan Islands (Bone Bay) are the central distribution of coral reefs in South Sulawesi. These archipelagos are likely to be at risk from eutrophication and sedimentation from intensive agriculture and aquaculture activities, in particular through transport of nutrients and materials discharged to the river systems on the Sulawesi mainland. The aim of this study was to analyse the temporal dynamics of eutrophication levels and sedimentation rates on coral reefs area of Spermonde and Sembilan Islands. Nutrient concentration and sedimentation rate were collected at monthly intervals over 4 months, at six stations: three in the Spermonde Islands (Laiya, Kodingareng, and Samalona Islands), and three in the Sembilan Islands, Sinjai District (Batanglampe, Kambuno, and Burungloe Islands), with two data collection points/replicates at each station/island. The results showed that phosphate concentration and sedimentation rates were higher in the Sembilan Islands, whereas nitrate concentrations were similar in both island groups. Nitrate concentration data indicated that eutrophication levels was varied, ranging from oligotrophic to eutrophic conditions, depends on months. In July and September, eutrophication was observed at all stations in both locations. Sedimentation rates were higher in the Sembilan Islands, but declined gradually until the end of the study time. Conversely, at stations in the Spermonde Islands, especially Samalona and Kodingarengkeke Islands, sedimentation level was increased significantly until the end of the study.

PROFIL KONDISI OSEANOGRAFI UNTUK PEMASANGAN SET NET DI PERAIRAN SULAWESI BARAT

Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan Vol 4, No 7 (2017)
Publisher : Jurnal IPTEKS Pemanfaatan Sumberdaya Perikanan

Show Abstract | Original Source | Check in Google Scholar | Full PDF (986.232 KB)

Abstract

Tujuan penelitian ini  adalah mendeskripsikan kondisi oseanografi (suhu permukaan laut dan klorofil a) secara spatial dan temporal, untuk selanjutnya dijadikan sebagai salah satu pertimbangan untuk menentukan kelayakan lokasi untuk pemasangan Set net di wilayah perairan Provinsi Sulawesi Barat.  Detail profil kedalaman perairan pada kandidat lokasi yang dipilih juga ditunjukkan berikut luas area yang dibutuhkan. Survei laut  dilakukan untuk pengambilan data lapangan (in-situ) terutama data kedalaman dan posisi kandidat lokasi pemasangan set net. Sedangkan data  sekunder yang meliputi suhu permukaan laut (SPL) dan densitas klorofil-a permukaan laut rata-rata bulanan selama satu tahun yang didownload dari satelit Aqua dengan sensor MODIS (NASA). Berdasarkan data oseanografi yang didapatkan, direkomendasikan lokasi pemasangan set net untuk masing-masing kabupaten (Polman, Majene, Mamuju, Mamuju Tengah, dan Mamuju Utara) di provinsi Sulaesi Barat.

KONDISI TELUR PADA BERBAGAI BAGIAN CABANG KARANG Acropora nobilis

Jurnal Ilmu-Ilmu Perairan dan Perikanan Indonesia Vol 11, No 1 (2004): Juni 2004
Publisher : Institut Pertanian Bogor

Show Abstract | Original Source | Check in Google Scholar | Full PDF (301.031 KB)

Abstract

Penelitian ini bertujuan untuk mengetahui distribusi telur menurut tingkat perkembangannya, rataan jumlah telur per polip dan proporsi polip yang reproduktif pada berbagai bagian cabang karang A. nobilis. Sebanyak 10 koloni A. nobilis yang berdiameter > 15 cm diambil contohnya secara acak di bagian barat laut perairan terumbu karang Pulau Barrang Lompo, Kepulauan Spermonde, Makassar pada tanggal 27 Januari 2002 (satu hari sebelum bulan purnama). Polip dari tiga bagian cabang (apikal, tengah dan basal) diperiksa jumlah telur yang dikandungnya secara histologis. Terdapat interaksi antara pertumbuhan dan reproduksi terhadap alokasi sumber daya pada berbagai bagian koloni karang. Alokasi sumber daya terhadap fungsi biologi tertentu akan mengorbankan fungsi biologi lainnya. Pertumbuhan karang yang terlokalisasi pada bagian tertentu suatu koloni karang berhubungan dengan rendahnya aktivitas reproduksi. Hasil penelitian menunjukkan adanya perbedaan yang nyata (p < 0.001) distribusi telur menurut tingkat perkembangannya pada berbagai bagian cabang karang. Bagian tengah cabang memiliki proporsi polip karang yang berkaitan dengan lokasi energi untuk pertumbuhan yang lebih reproduktif (100%) dengan kandungan rataan jumlah telur yang lebih tinggi (5.22 butir/potongan polip) dibanding bagian apikal dan basal cabang.Kata kunci: Distribusi, telur, cabang karang, Acropora nobilis

Skrining Metabolit Sekunder pada Sirip Ekor Hiu Carcharhinus melanopterus

Proceeding Simposium Nasional Kelautan dan Perikanan No 5 (2018)
Publisher : Proceeding Simposium Nasional Kelautan dan Perikanan

Show Abstract | Original Source | Check in Google Scholar | Full PDF (581.063 KB)

Abstract

Hiu merupakan ikan laut yang banyak dimanfaatkan metabolit primernya untuk kebutuhan konsumsi, sedangkan senyawa metabolit sekunder khususnya pada bagian sirip hiu dikatakan memiliki banyak manfaat di bidang kesehatan. Penelitian ini bertujuan untuk mengetahui golongan senyawa metabolit sekunder pada sirip ekor hiu Carcharhinus melanopterus. Pengambilan sampel dilakukan di Pangkalan Pendaratan Ikan Paotere Kota Makassar. Sampel yang diambil adalah bagian sirip ekor ikan hiu jenis Carcharhinus melanopterus. Ekstraksi dilakukan dengan metode maserasi dengan pelarut metanol, kloroform dan dan n-heksan p.a. Hasil ekstrak yang diperoleh dari proses maserasi (metanol:.1,03%, kloroform: 0,49%, dan n-heksan: 0,034%). Pada ekstrak C. melanopterus menggunakan ketiga pelarut diidentifikasi golongan senyawa metabolit sekunder jenis alkaloid, flavonoid, saponin, steroid, dan poliphenol. Hasil identifikasi senyawa metabolit sekunder pada ekstrak sirip C. melanopterus dilakukan dengan uji warna. Skrining senyawa metabolit sekunder yang didapatkan pada ekstrak dengan pelarut metanol yaitu senyawa flavonoid dan saponin, pada ekstrak dengan pelarut kloroform mengandung senyawa saponin, sedangkan pada ekstrak dengan pelarut n-heksan positif mengandung senyawa alkaloid; flavonoid; dan saponin. Berdasarkan hasil uji warna terhadap identifikasi golongan senyawa terhadap ketiga jenis pelarut positif mengandung senyawa saponin sedangkan nilai negatif pada keberadaan senyawa steroid dan poliphenol. Kata Kunci: Carcharhinus melanopterus, Sirip Hiu, Metabolit Sekunder, Ekstraksi, Uji Warna.