Thumbnail Image

Population structure and reproduction of bigeye tuna (Thunnus obesus) in Indian Ocean at western part of Sumatra and southern part of Java and Nusa Tenggara









Also available in:
No results found.

Related items

Showing items related by metadata.

  • Thumbnail Image
    Meeting
    Size distribution and sex ratio of scalloped hammerhead sharks(Sphyrna lewini) in Indian Ocean at southern part of Java and Nusa Tenggara, Indonesia 2013
    Also available in:
    No results found.

    Hammerhead shark is one of the most common shark species in the tropics. The sharks were caught by longline and drift gill nets either bycatch or target catch. Research on the length frequency and sex ratio of scalloped hammerhead shark (Sphyr lewini) was conducted at two shark landing sites in the southern of Java in 2010, mely Oceanic Fishing Port of Cilacap and Fish Landing Site Tanjung Luar, East Lombok, West Nusa Tenggara. Data were collected from the surveyed areas including the length of frequency and the sex composition. The research objective was to obtain data and information for magement and conservation of scalloped hammerhead sharks. The results showed that the size distribution of scalloped hammerhead sharks females and males were between 51 cm to 300 cm TL and 127 cm to 244 cm TL, respectively. Sex ratio of male and female were unequal, where female caught more frequent than male. The catch during the study was domited by the immature fishes. This condition remind that s harks resources should be maged wisely for their sustaibility.
  • Thumbnail Image
    Document
    National Report – Indonesia 2013
    Also available in:
    No results found.

    Fisheries magement Areas (FMAs) 572 (Indian Ocean – west Sumatera) and 573 (South of Java – East Nusa Tenggara), 571 (Malaka strait and Andaman Sea) are three fisheries magement areas among eleven FMAs that located within the IOTC area of competence. Long liners is the main fishing gear type operated in those FMAs, was 1227 vessels in 2013. The tiol catch of four main tu species in 2012 was estimated 168,626 t while the total catch for all species by all gears type was estimated 398,540 t. Port sampling and scientific observer programs is still continuing and conducted by Research Institute for Tu fisheries (RITF) Benoa. Recently ministerial regulation of MMAF no 01 year 2013 concerning observer onboard for fishing and carrier vessel was issued, furthermore Database Sharing Systems for Fisheries Magement which integrate a number of databases, including the licensing, logbook and VMS databases has recently launched by the Minister of Marine Affairs and Fisheries on 19 November 2013 in J akarta.
  • Thumbnail Image
    Document
    Re-processing of the fisheries statistics for the French purse seine fishing fleet during 1981-1990 2013
    Also available in:
    No results found.

    Fisheries magement Areas (FMAs) 572 (Indian Ocean – west Sumatera) and 573 (South of Java – East Nusa Tenggara), 571 (Malaka strait and Andaman Sea) are three fisheries magement areas among eleven FMAs that located within the IOTC area of competence. Long liners is the main fishing gear type operated in those FMAs, was 1227 vessels in 2013. The tiol catch of four main tu species in 2012 was estimated 168,626 t while the total catch for all species by all gears type was estimated 398,540 t. Port sampling and scientific observer programs is still continuing and conducted by Research Institute for Tu fisheries (RITF) Benoa. Recently ministerial regulation of MMAF no 01 year 2013 concerning observer onboard for fishing and carrier vessel was issued, furthermore Database Sharing Systems for Fisheries Magement which integrate a number of databases, including the licensing, logbook and VMS databases has recently launched by the Minister of Marine Affairs and Fisheries on 19 November 2013 in J akarta.

Users also downloaded

Showing related downloaded files

No results found.