Fishing characteristics and spatial distribution of blue swimming crab size (Portunus pelagicus) in the waters of Pati District, Central Java Province

Karakteristik Penangkapan dan Distribusi Spasial Ukuran Rajungan (Portunus pelagicus) di Perairan Kabupaten Pati, Provinsi Jawa Tengah

  • Akhmad Nurhijayat Departemen Manajemen Sumberdaya Perairan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor
  • Zairion Departmen Manajemen Sumberdaya Perairan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor
  • Luky Adrianto Departemen Manajemen Sumberdaya Perairan, Fakultas Perikanan dan Ilmu Kelautan, Institut Pertanian Bogor

Abstract

The increasing Blue swimming crab/BSC fishing activity is a response to the high demand of the international market. One of the potential coastal waters for BSC capture fisheries is Pati Regency. However, biological information related to BSC resources is still limited in this area. Therefore, the purpose of this study is to analyze the characteristics of BSC fishing and the size structure of the caught BSC. The study was conducted from December 2020 to March 2021. The method of data collection is observation and interview with fishermen, while the analysis is carried out descriptively. The location of BSC fishing is divided into 3 zones. The characteristics of BSC fishing locations include those related to the distance from the coastline, technical aspects and types of fishing gear, as well as the operational system of capture. The distance from the coastline in zone 1 is about 1-2 miles, zone 2 is about 2-3 miles, and zone 3 is more than 3 miles. The types of fishing gear used in zone 1 are bottom gill net, zone 2 and zone 3 are trapnet. The operational system of capture in zone 1 and zone 2 is carried out with daily trips, while in zone 3 it is carried out with weekly trips (babang). The distribution of carapace width sizes in zone 1 ranges from 44.00-139.00 mm (average 104.80±11.00 mm), in zone 2 it ranges from 72.10-138.00 mm (average 107.90±12.30 mm), and in zone 3 it ranges from 101.40-177.60 mm (average 126.50±11.50 mm).

Downloads

Download data is not yet available.

References

Anderies JM, Janssen MA, Ostrom E. 2004. A framework to analyze the robustness of social-ecological systems from an institutional perspective. Ecology and Society. 9(1):18.

Adrianto L, Kurniawan F, Romadhon A, Bengen DG, Sjafrie NDM, Damar A, Kleinertz S. (2021). Assessing social-ecological system carrying capacity for urban small island tourism: the case of Tidung Islands, Jakarta Capital Province, Indonesia. Ocean and Coastal Management. 212: 105844.

Berkström C, Papadopoulos M, Jiddawi NS, Nordlund LM. 2019. Fishers’ Local Ecological Knowledge (LEK) on connectivity and seascape management. Frontiers in Marine Science. 6(130): 1–10. DOI: https://doi.org/10.3389/fmars.2019.00130

Budiarto A, Adrianto L, Kamal M. 2015. Status pengelolaan perikanan rajungan (Portunus pelagicus) dengan pendekatan ekosistem di Laut Jawa (WPPNRI 712). Jurnal Kebijakan Perikanan Indonesia. 7(1):9-24.

Damora A. 2016. Optimasi pemanfaatan sumber daya lobster pasir (Panulirus homarus) dalam kerangka ekologi-ekonomi di Kabupaten Gunung Kidul dan Sekitarnya [Tesis]. Fakultas Perikanan dan Ilmu Kelautan. Bogor: IPB University.

Efendi DS. 2021. Pengelolaan perikanan kerapu skala kecil di Teluk Saleh Provinsi Nusa Tenggara Barat [Disertasi]. Fakultas Perikanan dan Ilmu Kelautan. Bogor: IPB University.

Ekawati AK. 2019. Analisis spasial dan temporal bioekonomi perikanan rajungan (Portunus pelagicus) di Perairan Pesisir Timur Lampung [Tesis]. Fakultas Perikanan dan Ilmu Kelautan. Bogor: IPB University.

Ernawati T. 2013. Dinamika populasi dan pengkajian stok sumberdaya rajungan (Portunus pelagicus Linnaeus) Di Perairan Kabupaten Pati Dan Sekitarnya [Tesis]. Fakultas Perikanan dan Ilmu Kelautan. Bogor: IPB University.

Government of Western Australia. 2011. Fisheries Fact Sheet Blue Swimmer Crab. (No. 2 first revision) in a Department of Fisheries series. ISSN 1834-9382 Western Australia.

Kangas MI. 2000. Synopsis of the biology and exploitation of the blue swimmer crab, Portunus pelagicus Linnaeus, in Western Australia. Fisheries Western Australia, Perth, Western Australia. Fisheries Research. Report No. 121.

Lai JCY, Ng PKL, Davie PJF. 2010. A revision of the Portunus pelagicus (Linnaeus,1758) species complex (Crustacea: Brachyura: Portunidae), with the recognition of four species. The Raffles Bulletin of Zoology. 58(2):199–237.

McClanahan T, Cinner J, Maina J. 2008. Conservation Action In A Changing Climate. Conserv Lett. 1:53-59.

Munawar, Adrianto L, Boer M, Imron Z. 2020. Socio ecological network analysis of Bima Bay, West Nusa Tenggara Province, Indonesia. AACL Bioflux. 13(4):2290-2301.

Nugraheni DI. 2016. Pengelolaan perikanan rajungan (Portunus pelagicus Linnaeus, 1758) dengan pendekatan ekosistem (studi kasus: Perairan Kabupaten Pati, Provinsi Jawa Tengah) [Tesis]. Fakultas Perikanan dan Ilmu Kelautan. Bogor: IPB University.

Potter IC, de Lestang S. 2000. Biology of The Blue Swimmer Crab (Portunus pelagicus) in Leschenault Estuary and Koombana Bay, South Western Australia. Journal Royal Society of Western Australia. 83(4):443-458.

Silvano RAM, MacCord PFL, Lima RV, Begossi A. 2006. When Does This Fish Spawn? Fishermen’s Local Knowledge Of Migration And Reproduction Of Brazilian Coastal Fishes. Environmental Biology of Fishes. 76:371–386. DOI: https://doi.org/10.1007/s10641-006-9043-2

Sunarto. 2012. Karakteristik bioekologi rajungan (Portunus pelagicus) di perairan laut Kabupaten Brebes [Disertasi]. Fakultas Perikanan dan Ilmu Kelautan. Bogor: IPB University.

Valbo-Jørgensen J, Poulsen AF. 2000. Using local knowledge as a research tool in the study of river fish biology: experiences from the Mekong. Environment, Development and Sustainability. 2:253–276. DOI: https://doi.org/10.1023/A:1011418225338.

Xiao Y, Kumar M. 2004. Sex ratio and probability of sexual maturity of females at size, of the blue swimmer crab, Portunus pelagicus Linneaus, Off Southern Australia. Fisheries Research. 68(1-3):271–282. DOI: doi:10.1016/j.fishres.2003.11.012.

Yokes MB, Karhan SU, Okus E, Yüksek A, Aslan-Yilmaz, Yilmaz IN, Demirel N, Demir V, Galil BS. 2007. Alien crustacean decapods from the aegean coast of Turkey. Aquatic Invasions. 2:162-168.

Zairion, Boer M, Wardiatno Y, Fahrudin A. 2014. Komposisi dan ukuran rajungan (Portunus Pelagicus) yang tertangkap pada beberapa stratifikasi batimetri di Perairan Lampung Timur. J. Lit. Perikanan Ind. 20(4):199-206.

Zairion. 2015. Pengelolaan berkelanjutan perikanan rajungan (Portunus pelagicus) di Lampung Timur [Disertasi]. Fakultas Perikanan dan Ilmu Kelautan. Bogor:IPB University.

Zulfikar A. 2020. Potensi penggunaan lamun dalam pengembangan indeks tingkat tekanan antropogenik lingkungan (studi kasus Thalassia hemprichii di Kepulauan Seribu) [Disertasi]. Fakultas Perikanan dan Ilmu Kelautan. Bogor: IPB University.

Published
2022-12-21
How to Cite
NurhijayatA., Zairion, & AdriantoL. (2022). Fishing characteristics and spatial distribution of blue swimming crab size (Portunus pelagicus) in the waters of Pati District, Central Java Province: Karakteristik Penangkapan dan Distribusi Spasial Ukuran Rajungan (Portunus pelagicus) di Perairan Kabupaten Pati, Provinsi Jawa Tengah . Journal of Tropical Fisheries Management, 6(2), 134-142. https://doi.org/10.29244/jppt.v6i2.44256