Program Studi Manajemen Sumberdaya Perairan, Jurusan Perikanan, Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia
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@article{MARJ5012, author = {Nurwinda Hikmawati and Agus Hartoko and Bambang Sulardiono}, title = {ANALISA SEBARAN MPT, KLOROFIL-a DAN PLANKTON TERHADAP TANGKAPAN TERI (Stolephorus spp.) DI PERAIRAN JEPARA}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {3}, number = {2}, year = {2014}, keywords = {MPT; klorofil-a; fitoplankton; zooplankton; ikan teri; bagan tancap}, abstract = { Aktivitas manusia dapat menimbulkan pengaruh terhadap ekosistem. Pengaruh ini salah satunya menimbulkan penurunan kualitas perairan Jepara. Penurunan kualitas perairan dikhawatirkan dapat berdampak pada hasil tangkapan. Sedikitnya hasil tangkapan ikan teri ( Stolephorus spp.) bagan tancap sebagai hasil tangkapan dominan disebabkan antara lain karena turunnya kualitas perairan dan lokasi penancapan bagan tancap kurang sesuai. Oleh karena itu, perkembangan informasi dan geografis diharapkan dapat membantu pengelolaan sumberdaya perikanan, misalnya melalui peta sebaran MPT, klorofil- a , fitoplankton dan zooplankton yang diduga dapat berpengaruh terhadap hasil tangkapan ikan teri. Penelitian ini bertujuan untuk mengetahui sebaran spasial konsentrasi MPT, klorofil- a , fitoplankton, zooplankton dan hasil tangkapan teri; kemudian untuk mengetahui komposisi plankton yang terdapat dalam saluran pencernaan ikan teri serta mengetahui hubungan MPT, klorofil- a , fitoplankton dan zooplankton terhadap hasil tangkapan ikan teri bagan tancap. Metode penelitian secara eksploratif dan metode sampling secara purposive random sampling . Pengambilan sampel air dilakukan di permukaan bersamaan pengambilan sampel plankton secara horizontal dan aktif ditarik menggunakan kapal. Hasil yang diperoleh digunakan sebagai peta sebaran spasial yang menggambarkan kualitas perairan dengan metode Kriging. Uji statistik regresi polinomial dan regresi berganda digunakan untuk mengetahui pengaruhnya terhadap hasil tangkapan. Hasil yang diperoleh bahwa konsentrasi MPT tidak berpengaruh terhadap hasil tangkapan, dengan konsentrasi 50 – 100 mg/l sehingga cukup bagus bagi perikanan dan dapat menurunkan kualitas bagi perikanan bila konsentrasinya > 81 mg/l. Konsentrasi klorofil- a 0,056 – 0,117 mg/m 3 sehingga masih normal dan bagus bagi perikanan, namun tidak berpengaruh terhadap hasil tangkapan. Fitoplankton dan zooplankton berpengaruh terhadap hasil tangkapan ikan teri, didukung dengan pencacahan komposisi perut ikan teri bahwa zooplankton persentasenya 93,48 % dan fitoplankton hanya 6,52 %. Human activities influence the ecosystem. For example is water quality degradation in Jepara.The water quality degradation which likely to influence the catch. Less Anchovy ( Stolephorus spp.) is dominant catch of bamboo platform liftnet is caused by water quality degradation and location while placing bamboo platform liftnet not appropriate. Therefore, the development of Geographic Information System is expected to help fishery resource management, for instance by providing MPT, chlorophyll- a , phytoplankton and zooplankton distribution maps that could affect anchovy cathes. This study aims to determine the spatial distribution of MPT,chlorophyll- a , phytoplankton, zooplankton and anchovy catches; to determine the composition of plankton found in the alimentary tract of anchovy and to determine the relationship betwen MPT, chlorophyll- a , phytoplankton, zooplankton and anchovy catch from bamboo platform liftnet. Explorative research method and purposive sampling were utilized in this research. Water and plankton sampling were conducted in the same surface horizontally and actively by using boat. The results were used to make spatial distribution map describing water quality. Polynomial and multiple regression analyses were conducted to discover its effect on the catch. The results indicated that the concentration of MPT was not affect the anchovy catch, the consentration of 50 – 100 mg/l was adequate for fishery and quality of fishery is likely to degrade if the concentration > 81 mg/l. The concentration of chlorophyll- a 0,056 – 0,117 mg/m 3 was considered normal and suitable for fishery and it was not negatively impact the catch. Phytoplankton and zooplankton affected the anchovy catch as the enumeration of anchovy stomach composition showed that zooplankton and phytoplankton percentages were 93.48 % and 6.52 % repectively. }, issn = {2721-6233}, pages = {109--118} doi = {10.14710/marj.v3i2.5012}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/5012} }
Refworks Citation Data :
Aktivitas manusia dapat menimbulkan pengaruh terhadap ekosistem. Pengaruh ini salah satunya menimbulkan penurunan kualitas perairan Jepara. Penurunan kualitas perairan dikhawatirkan dapat berdampak pada hasil tangkapan. Sedikitnya hasil tangkapan ikan teri (Stolephorus spp.) bagan tancap sebagai hasil tangkapan dominan disebabkan antara lain karena turunnya kualitas perairan dan lokasi penancapan bagan tancap kurang sesuai. Oleh karena itu, perkembangan informasi dan geografis diharapkan dapat membantu pengelolaan sumberdaya perikanan, misalnya melalui peta sebaran MPT, klorofil-a, fitoplankton dan zooplankton yang diduga dapat berpengaruh terhadap hasil tangkapan ikan teri. Penelitian ini bertujuan untuk mengetahui sebaran spasial konsentrasi MPT, klorofil-a, fitoplankton, zooplankton dan hasil tangkapan teri; kemudian untuk mengetahui komposisi plankton yang terdapat dalam saluran pencernaan ikan teri serta mengetahui hubungan MPT, klorofil-a, fitoplankton dan zooplankton terhadap hasil tangkapan ikan teri bagan tancap. Metode penelitian secara eksploratif dan metode sampling secara purposive random sampling. Pengambilan sampel air dilakukan di permukaan bersamaan pengambilan sampel plankton secara horizontal dan aktif ditarik menggunakan kapal. Hasil yang diperoleh digunakan sebagai peta sebaran spasial yang menggambarkan kualitas perairan dengan metode Kriging. Uji statistik regresi polinomial dan regresi berganda digunakan untuk mengetahui pengaruhnya terhadap hasil tangkapan. Hasil yang diperoleh bahwa konsentrasi MPT tidak berpengaruh terhadap hasil tangkapan, dengan konsentrasi 50 – 100 mg/l sehingga cukup bagus bagi perikanan dan dapat menurunkan kualitas bagi perikanan bila konsentrasinya > 81 mg/l. Konsentrasi klorofil-a 0,056 – 0,117 mg/m3 sehingga masih normal dan bagus bagi perikanan, namun tidak berpengaruh terhadap hasil tangkapan. Fitoplankton dan zooplankton berpengaruh terhadap hasil tangkapan ikan teri, didukung dengan pencacahan komposisi perut ikan teri bahwa zooplankton persentasenya 93,48 % dan fitoplankton hanya 6,52 %.
Human activities influence the ecosystem. For example is water quality degradation in Jepara.The water quality degradation which likely to influence the catch. Less Anchovy (Stolephorus spp.) is dominant catch of bamboo platform liftnet is caused by water quality degradation and location while placing bamboo platform liftnet not appropriate. Therefore, the development of Geographic Information System is expected to help fishery resource management, for instance by providing MPT, chlorophyll-a, phytoplankton and zooplankton distribution maps that could affect anchovy cathes. This study aims to determine the spatial distribution of MPT,chlorophyll-a, phytoplankton, zooplankton and anchovy catches; to determine the composition of plankton found in the alimentary tract of anchovy and to determine the relationship betwen MPT, chlorophyll-a, phytoplankton, zooplankton and anchovy catch from bamboo platform liftnet. Explorative research method and purposive sampling were utilized in this research. Water and plankton sampling were conducted in the same surface horizontally and actively by using boat. The results were used to make spatial distribution map describing water quality. Polynomial and multiple regression analyses were conducted to discover its effect on the catch. The results indicated that the concentration of MPT was not affect the anchovy catch, the consentration of 50 – 100 mg/l was adequate for fishery and quality of fishery is likely to degrade if the concentration > 81 mg/l. The concentration of chlorophyll-a 0,056 – 0,117 mg/m3 was considered normal and suitable for fishery and it was not negatively impact the catch. Phytoplankton and zooplankton affected the anchovy catch as the enumeration of anchovy stomach composition showed that zooplankton and phytoplankton percentages were 93.48 % and 6.52 % repectively.
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