1Program Studi Manajemen Sumberdaya Perairan, Departemen Sumberdaya Akuatik,, Indonesia
2Fakultas Perikanan dan Ilmu Kelautan, Universitas Diponegoro, Indonesia
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@article{MARJ24221, author = {Ayudiana Kusumawardani and Abdul Ghofar and Wiwiet Teguh Taufani}, title = {KAJIAN BIOLOGI PERIKANAN PADA CUMI – CUMI Photololigo duvaucelii (d’Orbigny, 1835) YANG DIDARATKAN DI TPI TAMBAK LOROK SEMARANG Study on Fisheries Biology of Indian Squid (Photololigo duvaucelii d’Orbigny, 1835) in TPI Tambak Lorok Semarang}, journal = {Management of Aquatic Resources Journal (MAQUARES)}, volume = {8}, number = {1}, year = {2019}, keywords = {Biologi Perikanan; P. duvaucelii; Pertumbuhan Alometri; Tambak Lorok}, abstract = { ABSTRAK Photololigo duvaucelii merupakan salah satu jenis cumi – cumi yang memiliki nilai ekonomis penting di TPI Tambak Lorok Semarang. Produksi cumi – cumi merupakan hasil tangkapan dari alam, upaya penangkapan yang semakin tinggi dapat menyebabkan penurunan stok sumberdaya cumi – cumi. Perlu adanya kegiatan yang dapat melestarikan sumberdaya agar tetap berkelanjutan. Tujuan penelitian ini adalah untuk mengetahui aspek biologi P. duvaucelii di Tambak Lorok yang meliputi hubungan panjang berat, faktor kondisi, tingkat kematangan gonad, indeks kematangan gonad dan karakteristik pertumbuhan alometri. Penelitian ini dilaksanakan pada bulan April – Mei 2018. Metode pengambilan sampel yang digunakan dalam penelitian ini adalah random sampling . Analisis data yang digunakan adalah regresi linier sederhana dari log ML( mantle length ) dan log W ( weight ) umtuk mengetahui hubungan panjang beratnya. Nilai hubungan panjang berat P. duvaucelii mempunyai persamaan W = 0,024L 1,580 pada jantan dan W = 0,003L 2,043 pada betina dengan nilai slope (b) 1,580 dan 2,043. Nilai slope tersebut menunjukkan bahwa pertumbuhan P. duvaucelii bersifat allometrik negatif. Nilai faktor kondisi (Kn) 1,037 pada jantan dan 1,063 pada betina, nilai tersebut menunjukkan spesies ini tergolong memiliki badan yang kurus. Pertumbuhan panjang mantel (ML) P. duvaucelii tumbuh lebih lambat dibanding organ tubuh lain, kecuali terhadap berat tubuhnya. Tingkat kematangan gonad yang paling dominan dari P. duvaucelii jantan dan betina adalah TKG I (belum matang gonad). ABSTRACT Photololigo duvaucelii is one of the commercially important squid resources in TPI Tambak Lorok Semarang. Squid production mainly comes from nature, high fishing effort can cause a decrease in squid resource stock. Cacth in squid fisheries must be accompanied by other activity which to be able to increase population whilst maintain sustainable resources of the squid. This work aimed to study on fisheries biological which included length – weight relationship, condition factor, gonad maturity and gonado somatic index, also to learn morphometry characteristic of the P. duvaucelii in Tambak Lorok Semarang. This study was done in April – Mei 2018. Sample were collected using simple random sampling. A simple linear regression was used to describe the relationship between the log ML (mantle length) and the log W (weight). The length – weight relationship was expressed as W = 0,024L 1,580 for male and W = 0,003L 2,043 for female. Slope value (b) shows the growth of P. duvaucelii was negatively allometric. Conditon factor values in this research amounted to 1,037 for male and 1,063 for female, the range of this condition factor showed that the species has a flat body shape. Growth for mantle length (ML) of P. duvaucelii slower than other organs, except with the body weight. Maturity stages of P. duvaucelii male and female in this research dominated by maturity stages I (immature). }, issn = {2721-6233}, pages = {9--18} doi = {10.14710/marj.v8i1.24221}, url = {https://ejournal3.undip.ac.id/index.php/maquares/article/view/24221} }
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ABSTRAK
Photololigo duvaucelii merupakan salah satu jenis cumi – cumi yang memiliki nilai ekonomis penting di TPI Tambak Lorok Semarang. Produksi cumi – cumi merupakan hasil tangkapan dari alam, upaya penangkapan yang semakin tinggi dapat menyebabkan penurunan stok sumberdaya cumi – cumi. Perlu adanya kegiatan yang dapat melestarikan sumberdaya agar tetap berkelanjutan. Tujuan penelitian ini adalah untuk mengetahui aspek biologi P. duvaucelii di Tambak Lorok yang meliputi hubungan panjang berat, faktor kondisi, tingkat kematangan gonad, indeks kematangan gonad dan karakteristik pertumbuhan alometri. Penelitian ini dilaksanakan pada bulan April – Mei 2018. Metode pengambilan sampel yang digunakan dalam penelitian ini adalah random sampling. Analisis data yang digunakan adalah regresi linier sederhana dari log ML(mantle length) dan log W (weight) umtuk mengetahui hubungan panjang beratnya. Nilai hubungan panjang berat P. duvaucelii mempunyai persamaan W = 0,024L1,580pada jantan dan W = 0,003L2,043 pada betina dengan nilai slope (b) 1,580 dan 2,043. Nilai slope tersebut menunjukkan bahwa pertumbuhan P. duvaucelii bersifat allometrik negatif. Nilai faktor kondisi (Kn) 1,037 pada jantan dan 1,063 pada betina, nilai tersebut menunjukkan spesies ini tergolong memiliki badan yang kurus. Pertumbuhan panjang mantel (ML) P. duvauceliitumbuh lebih lambat dibanding organ tubuh lain, kecuali terhadap berat tubuhnya. Tingkat kematangan gonad yang paling dominan dari P. duvaucelii jantan dan betina adalah TKG I (belum matang gonad).
ABSTRACT
Photololigo duvaucelii is one of the commercially important squid resources in TPI Tambak Lorok Semarang. Squid production mainly comes from nature, high fishing effort can cause a decrease in squid resource stock. Cacth in squid fisheries must be accompanied by other activity which to be able to increase population whilst maintain sustainable resources of the squid. This work aimed to study on fisheries biological which included length – weight relationship, condition factor, gonad maturity and gonado somatic index, also to learn morphometry characteristic of the P. duvaucelii in Tambak Lorok Semarang. This study was done in April – Mei 2018. Sample were collected using simple random sampling. A simple linear regression was used to describe the relationship between the log ML (mantle length) and the log W (weight). The length – weight relationship was expressed as W = 0,024L1,580 for male and W = 0,003L2,043 for female. Slope value (b) shows the growth of P. duvaucelii was negatively allometric. Conditon factor values in this research amounted to 1,037 for male and 1,063 for female, the range of this condition factor showed that the species has a flat body shape. Growth for mantle length (ML) of P. duvaucelii slower than other organs, except with the body weight. Maturity stages of P. duvauceliimale and female in this research dominated by maturity stages I (immature).
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