Perbedaan Penggunaan Intensitas Cahaya Lampu Terhadap Hasil Tangkapan Bagan Apung Di Perairan Selat Rosenberg Kabupaten Maluku Tenggara Kepulauan Kei

Abstract

One of potential fishing grounds for small pelagic fish in Southeast Mallucas Regency is Rosenberg Strait waters. In this region, a study on the effect of different light intensities of floating lift net on fish catches was carried out. The analyses were done on light distribution of 4 light intensities different: Petromaks Lamp and Underwater Lamps of each 18 watt, 36 watt and 54 watt. This study showed that catches of floating lift net using different light intensities were statistically significantly different. The use of 36 watt and 54 watt underwater lamp yielded the same amount of catches but higher than that of 18 watt-underwater lamp and petromaks, both in number and species. Catches consisted of 17 species, 16 fishs and 1 mollusca. Number of species and size also varied with light intensity used. There were 13 fishs species dominated by Stolephorus indicus as much as 46.9 kg or 22% for petromaks catches, 14 fishs species dominated by Rastrelliger kanagurata as much as 64 kg (31%) for 18 watt underwater lamp, 17 fishs species dominated by Rastrelliger kanagurata as much as 76 kg (28%) for 36 watt underwater lamp, and 15 fishs species dominated by Stolephorus devisi as much as 54.8 kg (22%) for 54 watt underwater lamp, respectively. Based on the results, it is recommended that the use of light intensity in fishing operations of floating lift net should be 36 watt and 54 watt underwater lamps, due to high catches, both in number and species. Beside that, since light fishing has also caught illegal fish size, number of this fishing gear type should be controlled.

Penyuluhan Pemanfaatan Cahaya Lampu sebagai Alat Bantu Operasi Penangkapan Bagan Apung di Ohoi Namar Kabupaten Maluku Tenggara

“…Ikan menggunakan organ untuk berenang dan menyerang mangsa yang bergerak dalam suatu kelompok atau mangsa yang tidak bergerak. Tingkah laku ikan yang berhubungan dengan aktivitas diurnal dan semua aspek yang terkait dengan hidupnya sangat berhubungan dengan kekuatan cahaya (Nikolsky, 1963). Ikan membutuhkan cahaya dalam air guna mencari makanan dan berenang dalam suatu kelompok, (Yami 1988).…”

Pengaruh Lama Perendaman Lampu Terhadap Hasil Tangkapan Bagan Perahu di Desa Toniku

“…Lampu listrik dapat ditempatkan pada berbagai posisi di atas kapal maupun di perairan yang memiliki daya iluminasi yang tetap dan tidak terganggu oleh keadaan lingkungan seperti angin atau hujan (Simbolon, 2009). Metode penangkapan ikan dengan menggunakan cahaya lampu ini telah diketahui secara efektif di perairan air tawar maupun di laut, untuk menangkap ikan secara individu maupun secara bergerombol (Notanubun dan Patty, 2010).…”