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Journal : JOURNAL OF COASTAL DEVELOPMENT

BOTTOM WALL CONSTRUCTION OF “JODANG” TRAP APPLIED SELECTIVELY TO BABYLON TIGER (Babylonia spirata) SNAIL SIZE Gondo Puspito; Agus Suherman
JOURNAL OF COASTAL DEVELOPMENT Vol 15, No 2 (2012): Volume 15, Number 2, Year 2012
Publisher : JOURNAL OF COASTAL DEVELOPMENT

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Abstract

The objective of this research was to obtain net mesh bottom wall construction of “jodang” trap that selective to babylon tiger snails size, i.e. only shell length of    l < 4.27 cm approximately could pass through. There were 3 designs shapes of bottom wall construction tested, i.e. rectangular shape of 2.4 ´ 2.8 (cm) and 2 diamond shapes with net mesh size of 5,6 cm and primary hanging ratio of  E1 = 0.7 and 0.5. The results showed that rectangular shape bottom wall trap construction  was better than those two other constructions. Only 6.78% of snails with l ³ 4.27 cm could escape the rectangular shape bottom wall trap construction. Whereas 41.90% and 17.46% of  snail shells with l ³ 4.27 cm could escape from both the diamond mesh bottom wall trap construction. According  to selectivity curve, the rectangular shape bottom wall trap construction could retained snails with shells length of  l ³ 4.33 cm. The two others retained shells length of  l ³ 4.14 cm and l ³ 4.60 cm.
Co-Authors Abualreesh, Muyassar Hamid Agus Suherman Ainun Apriliyani Muhyun Ali Muntaha Andrew Amadeus Angga Hartono Ari Purbayanto Arif, Hadi Sholekhan Arkan, Muhammad Zaky Ateng Supriatna Aulia, Deni Ayu Adhita Damayanti Bangun, Tri Nanda Citra Budhi Hascaryo Iskandar Budy Wiryawan Diana Agustina Diniah . Diniah Diniah Diniah Diniah Edy Miswar Eko Sri Wiyono Etty Riani Fadhilah, Harits Ridho Faik Kurohman Faik Kurohman Fakhri Kurniawan Fauzan Idris Maspeke Fikri Rizky Malik Fis Purwangka Fitrachman, Naufal Aqiel Fredinan Yulianda Fuah, Ricky Winrison Gatut Bintoro Hani Dwi Wijayanti Harry Santoso Hasrianti, Hasrianti Iin Solihin Imanuel M. Thenu Ismawan Tallo Januar, Januar Julia Eka Astarini Julius Mose Rahaningmas Kusuma, Mega Lembito, Hoetomo M. Fedi A. Sondita Malik, Fikri Rizky Mardiah, Ratu Sari Mihrobi Khalwatu Rihmi Misbah Sururi Mohammad Imron Mokhamad Dahri Iskandar Muhammad Natsir Kholis Muhyun, Ainun Apriliyani Mulyono S. Baskoro Mustaruddin Nasution, Defra Monika Noor Azizah Novita, Yopi Pambudi, Rilo Pratama, Gilar Budi Prihatin Ika Wahyuningrum Putra, Demo Buana Rahantan, Ali Rahman, Muhamad Arif Retno Muninggar Rihmi, Mihrobi Khalwatu Rilo Pambudi Rolando Akbar Wenang Ronny I. Wahju Ronny Irawan Wahju Roza Yusfiandayani Salsabila, Sahda Santanumurti, Muhammad Browijoyo Septian Eka Satriawan Sri Suryo Sukoraharjo Sugeng Hartono Sukoraharjo, Sri Suryo Sulaeman Martasuganda Sulaeman Martasuganda Supriono Ahmad Syifa Nurul Aini Thomas Nugroho Tirtana, Denta Umam, Hairul Vemilia Wazir Mawardi Yopi Novita Zayyan, M Luthfi Zulkarnain Zulkarnain Zulkarnain Zulkarnain Zurkarnain