Rose O. S. E Mantiri
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Lift Net Fisheries an it’s Continuity In Local Fishermen Community In North Sulawesi Province (Case study in Labuan Uki Bolaang Mongondow) Ridwan Lasabuda; Lawrence J. L. Lumingas; Rose O. S. E Mantiri
Jurnal Ilmiah PLATAX Vol. 2 No. 1 (2014): Edisi Januari - April 2014
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.2.1.2014.4407

Abstract

Penelitian ini mendeskripsikan aktivitas kehidupan komunitas nelayan tangkap lokal yang beroperasi di kawasan teluk Labuan Uki, Kabupaten Bolaang Mongondow (pesisir Utara  perairan  Sulawesi Utara, Laut Sulawesi). Dalam rangka mengungkap permasalahan yang dialami oleh nelayan  lokal teluk Labuan Uki, metode yang digunakan dalam penelitian ini adalah metode survey, jenis studi kasus, dimana informasi dari responden (nelayan lokal teluk Labuan Uki)  dikumpulkan dengan menggunakan kuesioner, wawancara, pengamatan dan observasi.  Sedangkan metode analisis untuk menjawab tujuan penelitian yaitu analisis deskriptif. Adapun hasil yang ingin dicapai dalam penelitian ini adalah : 1) bagaimana  kondisi sosial ekonomi  nelayan lokal Teluk Labuan Uki, Kabupaten Bolaang Mongondow; 2) tingkat produktivitas alat dan peralatan tangkap yang digunakan, serta jenis ikan tangkapan; 3) Mengetahui sistem pemasaran dan pengolahan hasil tangkapan ikan nelayan lokal Teluk Labuan Uki, kabupaten Bolaang Mongondow.   Keyword : nelayan lokal, alat tangkap bagan, teluk labuan uki   ABSTRACT This study was done to investigate the socio-economical conditions of the local fishermen of Labuan Uki Bay , Bolaang Mongondow ; productivity of tools and fishing equipment used and the type of fish catches and marketing systems, and processing of the catch . The method used in this study was a survey method , type of case study , which collected information from respondents using questionnaires, interviews, and observation. Methods of analysis to answer the research purpose was descriptive analysis. The results showed that socio-economical conditions of local fishermen of  Labuan Uki Bay were still low , where the majority of their houses were huts and made of wood ; the largest percentage of low educational level of elementary and secondary school . Fishing gear used was “bagan” boat with a length of between 7-18 m, using an engine of 5.5 OD ( katinting ), and a net of 4.5 to 10 m depth, run by one person, usually done by the owner . The average of catching period was 12 hours per trip, starting from 18.00 PM until 06.00 AM, while the majority of fish caught were anchovy ( Stelopohorus spp ) . In peak season , the catch reaches 100 bowls ( 10 bowls = 1 kg ) per trip , while in the bad and  transitional season ranged from  5 to 40 bowls per trip. Anchovy catches were dried using sun heat and placed on a rack , processed products were then sold to middlemen ( tibo - tibo ) at a price of Rp 15,000 per kg . There were some processed through boiling and then dried with a tool , and sold at Rp . 35.000 per kg . Keyword : local fishermen , “bagan” fishing gear, Labuan Uki Bay
Size Structure, Growth Pattern, And Condition Factor Of Red Lolosi Fish (Caesio chrysozona, Cuvier, 1830) From The Bay Of Ratatotok Subdistrict, Southeast Minahasa Tenggara District Rully Firmalinda Gobel; Jan W. S. F. Tamanampo; Rose O. S. E Mantiri
Jurnal Ilmiah PLATAX Vol. 5 No. 2 (2017): ISSUE JULY - DECEMBER 2017
Publisher : Sam Ratulangi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35800/jip.5.2.2017.15908

Abstract

The research was conducted in December 2016 in Totok Bay, Ratatotok Subdistrict, with the aim to know the size structure, growth pattern and condition factor of red lolosi fish (Caesio chrysozona). It is expected that this research can provide basic information to monitor the presence of these fish in the future, especially in the territorial waters of Ratatotok. The name of red lolosi fish is a local name in North Sulawesi. Fish with the scientific name Caesio chrysozona is commonly found around the coral reefs and shallow rocky coastal waters. Data were collected in the field by taking a random sample of fish from the catch of fishermen who are still in a fishing boat. The number of fish samples taken to be analyzed were 66. Based on the measurement of 66 individuals of red lolosi, the structure size is as follows: male (51 head) with total length of 180 mm - 259 mm, length of fork 153 mm - 216 mm, and raw length 135mm - 200 mm. While body weight ranges from 71.38 gr - 217.18 grams and females (15 fish) with a total length range of 196 mm - 243 mm, fork length of 165 mm - 209 mm, and standard length of 149 mm - 185 mm. While body weight ranges from 110.22 gr - 193.99 gr. The growth pattern of red lolosi fish both male and female is a negative allometric growth pattern (b <3) where the length of fish increase faster than weight gain. The condition factor of each individual male and female varies with the value of the male condition factor ranging from 0.8094 - 1.2547 and females ranged from 0.9668 to 1.0281. Because the value of K ranged 1 then the conclusion is that male and female of red lolosi fish have a less flat shape. This causes the loss of weight of fish due to the influence of food, age, sex and gonad maturity. ABSTRAK Penelitian dilakukan pada bulan Desember 2016 di Teluk Totok Kecamatan Ratatotok, dengan tujuan untuk mengetahui struktur ukuran, pola pertumbuhan dan faktor kondisi dari ikan lolosi merah (Caesio chrysozona).  Ikan lolosi merah adalah nama lokal di Sulawesi Utara, dan ditemukan cukup berlimpah di  sekitar terumbu karang dan perairan dangkal yang berbatu-batu di Teluk TotokPengambilan sampel di lapangan  dilakukan dengan metoda sampling yaitu dengan cara mengambil sampel ikan secara acak dari hasil tangkapan nelayan yang masih berada dalam perahu nelayan.  Jumlah sampel ikan yang diambil untuk dianalisis sebanyak  66 ekor. Berdasarkan hasil penelitian terhadap 66 individu lolosi merah, diperoleh struktur ukuran sebagai berikut: jantan (51 ekor) dengan kisaran panjang total 180 mm - 259 mm,.  Sedangkan berat tubuh berkisar dari 71.38 gr – 217.18 gr,  dan betina (15 ekor) dengan kisaran panjang total 196 mm - 243 mm, Sedangkan berat tubuh berkisar dari 110.22 gr – 193.99 gr.  Pola pertumbuhan ikan lolosi merah baik jantan maupun betina adalah pola pertumbuhan allometrik negatif ( b < 3)  dimana pertambahan panjang ikan lebih cepat dari  pertambahan beratnya. Faktor kondisi setiap individu jantan dan betina bervariasi dengan nilai faktor kondisi jantan  berkisar 0.8094 - 1.2547 dan Betina berkisar 0.9668 - 1.0281.