Pengkajian Stok Dan Dinamika Populasi Ikan Lemuru
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Pengkajian Stok Dan Dinamika Populasi Ikan Lemuru
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Author : Daduk Setyohadi
language : id
Publisher: Universitas Brawijaya Press
Release Date : 2018-08-31
Pengkajian Stok Dan Dinamika Populasi Ikan Lemuru written by Daduk Setyohadi and has been published by Universitas Brawijaya Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-31 with Technology & Engineering categories.
Stok adalah suatu kelompok organisme dari suatu spesies yang mempunyai karakteristik (parameter stok) yang sama dan menempati suatu daerah geografis tertentu. Stok ikan lemuru (Sardinella lemuru) Selat Bali diidentifikasi ada dua kohor, memiliki ukuran panjang pertama kali tertangkap (Lc = 14,3 cm) dan matang gonad (Lm = 17,3 cm) menunjukkan bahwa alat tangkap yang beroperasi saat ini (purse seine) menangkap ikan-ikan muda yang belum matang gonad. Kegiatan ekloitasi ikan lemuru sedemikian besarnya, sehingga menyebabkan potensi stok cadangan pada tahun 2007 tinggal 71.479,78 ton atau sekitar 56,6% dari potensi cadangan lestarinya. Kebijakan pengelolaan untuk memaksimalkan keuntungan jangka panjang dan mencegah tangkap lebih dan terkurasnya sumberdaya ikan lemuru Selat Bali disarankan: (1) Mengatur jumlah pukat cincin yang boleh beroperasi dengan cara membatasi quota operasi penangkapan harian (trip harian) dan quota hasil tangkap harian ; (2) Dalam menentukan quota trip harian pada alat tangkap purse seine sesuai dengan pilihan simulasi kebijakan alokasi alat tangkap pada perikanan lemuru, diperlukan keterlibatan masyarakat lokal; (3) Membatasi ukuran mata jaring pukat cincin bagian kantong minimum 2,94 cm (1,2 inchi) dan melarang mendaratkan/memasarkan ikan-ikan lemuru berukuran lebih kecil dari 17,3 cm.
Metode Penelitian Kelautan Dan Perikanan
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Author : Mochammad Arif Zainul Fuad
language : id
Publisher: Universitas Brawijaya Press
Release Date : 2019-12-31
Metode Penelitian Kelautan Dan Perikanan written by Mochammad Arif Zainul Fuad and has been published by Universitas Brawijaya Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-12-31 with Technology & Engineering categories.
Penelitian adalah kegiatan ilmiah yang dilakukan dengan tujuan untuk mendapatkan data dalam usaha menemukan, mengembangkan, dan menguji kebenaran suatu teori atau pengetahuan. Buku ini menguraikan tahap-tahap dalam penelitian yang menekankan pada prinsip dasar penelitian, pengambilan sampel, analisis, dan interpretasi data. Untuk mempermudah pemahaman serta menambah wawasan pembaca, buku ini juga dilengkapi dengan contoh-contoh dan studi kasus, antara lain yaitu pendugaan stok sumber daya ikan, pencemaran laut, mikroplastik di perairan, terumbu karang, perubahan garis pantai, gelombang, mangrove, foram nifera, dan tsunami. Pembahasan pada buku ini diawali dengan penjelasan tentang konsep dasar kebenaran ilmiah sebagai landasan dalam memahami esensi suatu penelitian. Selanjutnya diuraikan tentang jenis-jenis penelitian, strategi pemilihan topik penelitian dengan menggunakan konsep mind mapping. Metode penelitian diungkapkan dalam bentuk penjelasan tentang cara merumuskan hipotesis penelitian, metode pengambilan data, dan juga metode analisis data. Kemudian diuraikan juga secara komprehensif cara penyajian dan interpretasi data yang meliputi penjelasan tentang jenis-jenis grafik dan tabel yang dapat digunakan untuk menyampaikan data hasil penelitian. Secara keseluruhan, buku ini sangat tepat dijadikan acuan atau pedoman bagi para peneliti di bidang kelautan dan perikanan.
Oseanografi Perikanan
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Author : Aida Sartimbul
language : id
Publisher: Universitas Brawijaya Press
Release Date : 2022-12-31
Oseanografi Perikanan written by Aida Sartimbul and has been published by Universitas Brawijaya Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-12-31 with Technology & Engineering categories.
Kajian oseanografi dan sumberdaya perikanan termasuk keterkaitannya dengan fenomena iklim semakin berkembang seiring dengan penetapan arah pembangunan berkelanjutan bidang kelautan. Buku ini berisikan bahasan tentang perspektif baru dalam oseanografi perikanan, dinamika habitat ikan, pengaruh faktor lingkungan khususnya parameter oseanografi terhadap perikanan, struktur rantai makanan di laut, genetika populasi dan aplikasinya dalam oseanografi perikanan, contoh kasus serta masa depan kajian oseanografi perikanan. Selain itu juga diuraikan tentang hubungan antara kegiatan penangkapan ikan, daerah konservasi perairan dengan ketahanan populasi ikan, aplikasi teknologi akustik, radar, dan satelit dalam oseanografi perikanan.
Inland Fisheries Management In North America
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Author : Christopher C. Kohler
language : en
Publisher:
Release Date : 1999
Inland Fisheries Management In North America written by Christopher C. Kohler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1999 with Fishery management categories.
"The book covers fishery assessments, habitat and community manipulations, and common practices for managing stream, river, lake, and anadromous fisheries. Chapters on history; ecosystem management; management processes; communications with the public; introduced, undesirable, and endangered species; and the legal and regulatory frameworks provide the context for modern fisheries management." From fisheries.org.
Marine Fisheries Ecology
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Author : Simon Jennings
language : en
Publisher: John Wiley & Sons
Release Date : 2013-04-16
Marine Fisheries Ecology written by Simon Jennings and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-16 with Science categories.
This topical and exciting textbook describes fisheries exploitation, biology, conservation and management, and reflects many recent and important changes in fisheries science. These include growing concerns about the environmental impacts of fisheries, the role of ecological interactions in determining population dynamics, and the incorporation of uncertainty and precautionary principles into management advice. The book draws upon examples from tropical, temperate and polar environments, and provides readers with a broad understanding of the biological, economic and social aspects of fisheries ecology and the interplay between them. As well as covering 'classical' fisheries science, the book focuses on contemporary issues such as industrial fishing, poverty and conflict in fishing communities, marine reserves, the effects of fishing on coral reefs and by-catches of mammals, seabirds and reptiles. The book is primarily written for students of fisheries science and marine ecology, but should also appeal to practicing fisheries scientists and those interested in conservation and the impacts of humans on the marine environment. particularly useful are the modelling chapters which explain the difficult maths involved in a user-friendly manner describes fisheries exploitation, conservation and management in tropical, temperate and polar environments broad coverage of 'clasical' fisheries science emphasis on new approaches to fisheries science and the ecosystem effects of fishing examples based on the latest research and drawn from authors' international experience comprehensively referenced throughout extensively illustrated with photographs and line drawings
Reef Fishes Of Hong Kong
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Author : Yvonne Sadovy
language : en
Publisher: Hong Kong University Press
Release Date : 2000-01-01
Reef Fishes Of Hong Kong written by Yvonne Sadovy and has been published by Hong Kong University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-01-01 with Nature categories.
This book documents the first comprehensive survey of reef fishes ever undertaken in Hong Kong. It includes descriptions and colour photographs of over 320 fish species, a third of which have never before been recorded here.
Synopsis Of Biological Data On Skipjack Tuna Katsuwonus Pelamis
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Author : Walter M. Matsumoto
language : en
Publisher:
Release Date : 1984
Synopsis Of Biological Data On Skipjack Tuna Katsuwonus Pelamis written by Walter M. Matsumoto and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984 with Skipjack tuna categories.
The Fish Resources Of The Ocean
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Author : J. A. Gulland
language : en
Publisher:
Release Date : 1971
The Fish Resources Of The Ocean written by J. A. Gulland and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1971 with Nature categories.
Fish Population Dynamics In Tropical Waters
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Author : Daniel Pauly
language : en
Publisher: WorldFish
Release Date : 1984-01-01
Fish Population Dynamics In Tropical Waters written by Daniel Pauly and has been published by WorldFish this book supported file pdf, txt, epub, kindle and other format this book has been release on 1984-01-01 with Fish populations categories.
The Memory Collector
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Author : Meg Gardiner
language : en
Publisher: Penguin
Release Date : 2009-06-11
The Memory Collector written by Meg Gardiner and has been published by Penguin this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-06-11 with Fiction categories.
From award-winning author Meg Gardiner, co-author of Michael Mann’s Heat 2 Forensic psychiatrist Jo Beckett is called to the scene of a plane inbound from London to San Francisco. A passenger is behaving erratically, offering Jo cryptic clues from a shattered past: something about a missing wife and son...a secret partnership gone horribly wrong...and, most alarming, a deadly biological agent that no one can stop.