scholarly journals Penggunaan Umpan Cacing Wak-Wak (Xenosiphon sp.) pada Pancing Ulur yang Dioperasikan Siang Hari di Kecamatan Manggar Pulau Belitung

2018 ◽  
Vol 3 (2) ◽  
pp. 110
Author(s):  
Deta Oryzae Saputra ◽  
Zulkarnain Zulkarnain ◽  
Fis Purwangka ◽  
Izza Mahdiana Apriliani

Penelitian ini bertujuan untuk mengetahui komposisi hasil tangkapan ikan, menganalisis pengaruh umpan wak-wak yang dioperasikan siang hari dengan umpan yang biasa nelayan gunakan di Kecamatan Manggar dan menganalisis pengaruh perbedaan waktu penangkapan perjenis ikan dominan. Penelitian ini menggunakan metode uji coba penangkapan (experimental fishing)  dengan 20 kali ulangan. Komposisi hasil tangkapan terdiri atas 11 jenis ikan dengan jumlah total 272 ekor yang didominasi oleh ikan kuwe kuning (Caranx bartholomei) sebanyak 68 ekor atau 25%, kunyit (Lutjanus vita) sebanyak 39 ekor atau 14,3%, kurisi (Nemipterus hexodon) sebanyak 36 ekor atau 13,2% dan timun (Lutjanus carponotatus) sebanyak 31 ekor atau 11,4%. Perbandingan hasil tangkapan pancing ulur berbeda pada setiap perlakuan. Pancing ulur dengan menggunakan umpan wak-wak memberikan jumlah hasil tangkapan sebanyak 107 ekor atau 39,34%, umpan cumi-cumi sebanyak 83 ekor atau 30,51% dan umpan ikan juwi sebanyak 82 ekor atau 30,15%. Jenis umpan memberikan pengaruh nyata terhadap jumlah total hasil tangkapan dengan selang kepercayaan 95%.

2019 ◽  
Vol 4 (1) ◽  
pp. 568-569 ◽  
Author(s):  
Gyungryul Kim ◽  
Ji-Hyun Lee ◽  
Md. Jobaidul Alam ◽  
Soo Rin Lee ◽  
Sapto Andriyono

2001 ◽  
Vol 52 (6) ◽  
pp. 843 ◽  
Author(s):  
Stephen J. Newman ◽  
David McB. Williams

Visual censuses were used to survey shallow-water assemblages of the Lutjanidae and Lethrinidae among three mid-continental shelf reefs, and fish traps were used to survey deeper water assemblages below diveable depths. Significant differences were found in visual censuses of the Lutjanidae and Lethrinidae among reefs. Trap catches of the Lutjanidae and Lethrinidae varied more between depths and diel sampling periods than among reefs or over time. Lutjanus carponotatus, L. fulviflamma and Lethrinus miniatus were more abundant in shallow trap sets, whereas Lutjanus adetii, L. russelli, L. sebae, L. vitta, Gymnocranius audleyi, Lethrinus sp.2 and Abalistes stellaris were more abundant in deeper sets. Additionally, Lutjanus adetii, L. fulviflamma, L. quinquelineatus, L. russelli, L. sebae, L. vitta and Lethrinus miniatus were more abundant at night, whereas Lethrinus sp. 2, Abalistes stellarisand Plectropomus leopardus were more abundant during the day. The absence of significant temporal variation in the observed spatial patterns both among reefs and between depths indicates that these patterns may persist through time. The use of both visual censuses and fish traps to assess reef fish assemblages may provide an objective way of repeatedly censusing reefs for monitoring purposes, especially where differences among reefs and regions are important.


2014 ◽  
Vol 6 (4) ◽  
pp. 803-806 ◽  
Author(s):  
Hugo B. Harrison ◽  
Kevin A. Feldheim ◽  
Geoffrey P. Jones ◽  
Hicham Mansour ◽  
Sadhasivam Perumal ◽  
...  

2018 ◽  
Vol 5 ◽  
Author(s):  
Jodie A. Schlaefer ◽  
Eric Wolanski ◽  
Jonathan Lambrechts ◽  
Michael J. Kingsford

2011 ◽  
Vol 108 (1) ◽  
pp. 74-80 ◽  
Author(s):  
Heather D. Veilleux ◽  
Lynne van Herwerden ◽  
Richard D. Evans ◽  
Michael J. Travers ◽  
Stephen J. Newman

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