Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil
Vol 6, No 1 (2022)

Conditions of sex ratio and growth patterns of craft (Portunus pelagicus) in the waters of Kawal village, Bintan Regency, Riau Island Province

Hardi Wiradinata (Department of Water Resources Management, Faculty of Marine and Fisheries Sciences, Raja Ali Haji Maritime University, Jl. Senggarang Polytechnic. Tanjungpinang, Riau Islands 29111)
Susiana Susiana (Department of Aquatic Resources Management, Faculty of Fisheries and Marine Sciences, Raja Ali Haji Maritime University. Jl. Politeknik Senggarang, Tanjung Pinang, Kepulauan Riau 29111)
Wahyu Muzammil (Department of Water Resources Management, Faculty of Marine and Fisheries Sciences, Raja Ali Haji Maritime University, Jl. Senggarang Polytechnic. Tanjungpinang, Riau Islands 29111)
Rochmady Rochmady (Pusat Studi Pesisir dan Pulau-Pulau Kecil, Sekolah Tinggi Pertanian Wuna, Jl. Letjend. Gatot Subroto Km.7 Lasalepa Raha 93654)



Article Info

Publish Date
18 Dec 2021

Abstract

Business Crab (Portunus pelagicus) Kawal Village waters are waters located in the Gunung Kijang area, Bintan Regency, Riau Islands Province. High market demand for crab fishery commodities that triggers excessive exploitation so that it can have an impact on the sustainability of crab resources. This study aims to determine the condition of the sex ratio and the pattern of crab growth in the waters of Kawal Village, Bintan Regency. The method used in this study is a survey method. The sampling technique was carried out using a random census, in which the researcher immediately went down to the field to take a sample of 176 crabs. The results showed a good sex ratio for female crabs at 52% and male crabs at 48%, which has calculated the Chi-square test which between females and males has a balanced ratio, which results in: X2 count of 33, 2 while X table is 74,975 which if X2 count < X table: male and female sex ratio is balanced. The growth pattern of both female and male crabs in the waters of Kawal Village, Bintan Regency has a negative allometric character where the growth pattern of carapace width is greater than weight growth.

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Journal Info

Abbrev

ISLE

Publisher

Subject

Agriculture, Biological Sciences & Forestry Earth & Planetary Sciences Immunology & microbiology

Description

Akuatikisle: Jurnal Akuakultur, Pesisir dan Pulau-Pulau Kecil focuses on the fields of aquaculture, fisheries and marine studies in coastal areas and small islands. Akuatikisle Jurnal accepts other field paper that has a focus on studies in coastal areas and small islands. Manuscripts published in ...