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All Journal JURNAL SAINS PERTANIAN EQUATOR Jurnal Ilmu Kelautan Lesser Sunda
Nurleha, Fitri
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Earth & Planetary Sciences Economics, Econometrics & Finance Environmental Science Social Sciences

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Pola Pertumbuhan Ikan Pari Kemejan (Rhynchobatus springeri) yang Didaratkan di Kubu Raya, Kalimantan Barat Hadinata, Fitra Wira; Rahayu, Sri; Nurleha, Fitri; Gloria A.R., Kezia; Benaya M.S.
Jurnal Ilmu Kelautan Lesser Sunda Vol. 1 No. 1 (2021): Jurnal Ilmu Kelautan - Lesser Sunda
Publisher : Program Studi Ilmu Kelautan, Jurusan Perikanan dan Ilmu Kelautan, Fakultas Pertanian, Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jikls.v1i1.29

Abstract

The whitespotted guitarfish (Rhyncobatus Springeri) resource is an important commodity and has high economic value. This study aims to determine the growth pattern of whitespotted guitarfish landed in the PPI Sungai Kakap. This research was conducted at the PPI Sungai Kakap, Sungai Kakap District, Kubu Raya Regency, West Kalimantan Province in July and August 2019. Data was collected by observation, surveys, and interviews. Data analysis of sex ratios, length, and weight was carried out on samples of whitespotted guitarfish. The results of the analysis of the sex ratio of male and female whitespotted guitarfish were 1.00:1.44, this shows that the number of male fish caught is relatively equal to the number of female fish caught. The results of the analysis of the length and weight relationship of whitespotted guitarfish, the a value is 20.643 and the b value is 0.6770. That value represents a negative allometric growth pattern for male and female fish. The negative allometrics explain that the length growth is faster than the weight growth. Generally, the increase of the length and weight is equal, but the whitespotted guitarfish has length growth faster than weight growth
KARAKTERISTIK MORFOMETRIK DAN HABITAT KIJING TAIWAN (Sinanodonta woodiana) DI ALIRAN IRIGASI DESA SAMBORA KECAMATAN TOHO KABUPATEN MEMPAWAH Nurleha, Fitri; soetignya, widadi padmarsari; Rahayu, Sri
Jurnal Sains Pertanian Equator Vol. 9 No. 4 (2020)
Publisher : Fakultas Pertanian Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jspe.v9i4.42029

Abstract

Sinanodonta woodiana is known as kijing taiwan which is mostly found in the irrigation flow of the village of Sambora Toho District Mempawah Distric. However, its existence is now experiencing a decline. For this reason, management is needed that requires data on morphometric and habitat characteristics. Therefore the purpose of this study was to determine the morphometric characteristics and habitat characteristics of S. woodiana in the irrigation flow of Sambora Village, Toho District, Mempawah Regency. The research method used was Purposive Random Sampling, using three different observation stations, namely station 1 is in the upstream part of the irrigation area close to a waterfall of oil palm plantations and freshwater fish cultivation ponds, station 2 is in an area adjacent to freshwater fish cultivation ponds and settlements, and station 3 is in a downstream area close to factory waste disposal tofu, freshwater fish farming ponds, and oil palm plantations.This research was conducted in March - May 2020 in the irrigation flow of Sambora Village, Toho District, Mempawah Regency. Based on the results of the study, there were 565 individuals of S. woodiana. All characters of mean shell length (PC), shell height (TC), shell thickness (TBL), and total weight (BT) show that the size varies between male and female sex, the female sex is greater than the male sex. The density values ranged from 0.37 to 3.02ind / m2. The density between stations is different and the highest is at station I and the lowest is at station III. Keywords: S. woodiana, Morphometric, Density.
Co-Authors Benaya M.S. Gloria A.R., Kezia Hadinata, Fitra Wira SRI RAHAYU Widadi Padmarsari Soetignya