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All Journal BERITA BIOLOGI Indonesian Journal of Limnology LIMNOTEK
Rahmi Dina
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Earth & Planetary Sciences Engineering Environmental Science

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Journal : limnotek

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A biological perspective for the fishery management of a small urban lake in Indonesia: a case study on the reproductive stage of the red devil (Amphilopus citrinellus) in Situ Cilodong, West Java, Indonesia Ira Akhdiana; Rahmi Dina; Gema Wahyudewantoro; Fajar Sumi Lestari; Eva Nafisyah; Dian Oktaviyani; Agus Waluyo
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 29 No. 1 (2023)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2023.2031

Abstract

The presence and establishment of invasive alien fish species is one of the biggest threats to aquatic biodiversity. The red devil, Amphilopus citrinellus, is one of the emerging invasive species and its occurrence is massively detected in common water bodies in tropical areas such as Indonesia. However, the topic remains under-reported from the small urban lakes. This study aims to present the reproductive characteristics of the fish in Situ Cilodong, a small urban lake in the country, that can be used as a principal reference for population control. The sampling was conducted in June 2021 and May 2022 using a mix of seven mesh-sized gillnets. The results of the length-weight relationship reveal that both the female and male fish perform isometric growth type. The calculated Gonad Somatic Index (GSI) and the histological analysis confirmed that the fish is a multi-spawner species. The results imply that sustainable population control efforts must include intensive catch and engage a participatory approach between the legal authority and the local fishers.  
A biological perspective for the fishery management of a small urban lake in Indonesia: a case study on the reproductive stage of the red devil (Amphilopus citrinellus) in Situ Cilodong, West Java, Indonesia Ira Akhdiana; Rahmi Dina; Gema Wahyudewantoro; Fajar Sumi Lestari; Eva Nafisyah; Dian Oktaviyani; Agus Waluyo
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 29 No. 1 (2023)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2023.2031

Abstract

The presence and establishment of invasive alien fish species is one of the biggest threats to aquatic biodiversity. The red devil, Amphilopus citrinellus, is one of the emerging invasive species and its occurrence is massively detected in common water bodies in tropical areas such as Indonesia. However, the topic remains under-reported from the small urban lakes. This study aims to present the reproductive characteristics of the fish in Situ Cilodong, a small urban lake in the country, that can be used as a principal reference for population control. The sampling was conducted in June 2021 and May 2022 using a mix of seven mesh-sized gillnets. The results of the length-weight relationship reveal that both the female and male fish perform isometric growth type. The calculated Gonad Somatic Index (GSI) and the histological analysis confirmed that the fish is a multi-spawner species. The results imply that sustainable population control efforts must include intensive catch and engage a participatory approach between the legal authority and the local fishers.  
LOBSTER AIR TAWAR (Cherax quadricarinatus), SPESIES ASING BARU DI PERAIRAN DANAU MANINJAU, SUMATERA BARAT Rahmi Dina; Daisy Wowor; Agus Hamdani
LIMNOTEK Perairan Darat Tropis di Indonesia Vol. 20 No. 2 (2013)
Publisher : BRIN Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55981/limnotek.2013.13259

Abstract

Lobster air tawar (LAT) merupakan jenis krustasea asing baru di Danau Maninjau. Penelitian ini bertujuan untuk mengetahui jenis LAT dan beberapa informasi awal tentang LAT yang ada di Danau Maninjau, serta potensi dampaknya terhadap ekosistem danau. Penelitian dilakukan di tiga lokasi yaitu Sigiran, Batu Nanggai, dan Bayur pada bulan Maret 2011. Lobster air tawar ditangkap menggunakan alat tangkap rago (perangkap) yang dipasang pada sore dan diangkat pada pagi keesokan harinya. Rago dilengkapi dengan umpan yang terdiri dari campuran kelapa, pelet, dan ikan mati. Hasil identifikasi menunjukkan bahwa jenis LAT yang ada di Danau Maninjau adalah Cherax quadricarinatus. Lobster yang tertangkap memiliki ukuran beragam, dengan rerata panjang karapas untuk lobster jantan 50,93 (6,68-80,36) mm, sedangkan lobster betina 54,35 (39,33-73,37) mm. Rerata berat basah total lobster jantan 38,75 (10,9-125,6) gram dan lobster betina 37,49 (12,5-82,4) gram. Selain itu juga ditemukan lobster betina yang membawa juvenil pada kaki renangnya sebanyak 2,36% dari tangkapan total. Beberapa hasil tersebut menunjukkan bahwa sebagai jenis asing baru, populasi lobster air tawar, Cherax quadricarinatus telah berkembang mantap di Danau Maninjau. Hal ini berdampak positif secara ekonomi, namun juga berpotensi akan berdampak negatif sebagai jenis invasif .
Co-Authors Agus Hamdani Agus Waluyo DAISY WOWOR Dian Oktaviyani Eva Nafisyah Fajar Sumi Lestari Gadis Sri Haryani Gema Wahyudewantoro Ira Akhdiana Mey Ristanti Widoretno Octavianto Samir Siti Aisyah Sulastri Sulastri Syahroma Husni Nasution