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All Journal Jurnal Teknologi Perikanan dan Kelautan Jurnal Ilmu dan Teknologi Kelautan Tropis JURNAL ENGGANO Jurnal Iktiologi Indonesia (Indonesian Journal of Ichthyology) Journal of Fisheries & Marine
Ayu Ervinia
Departemen Manajemen Sumberdaya Perairan, Fakultas Perikanan Dan Ilmu Kelautan, Institut Pertanian Bogor, Jalan Agatis, Kampus IPB Dramaga, Bogor 16680, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Education Library & Information Science Other

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PENDUGAAN PERTUMBUHAN KEPITING BAKAU (Scylla serrata Forskal) DI PERAIRAN KARANGSONG, INDRAMAYU, PROVINSI JAWA BARAT Iqra Putra Sanur; Sulistiono Sulistiono; Yonvitner Yonvitner; Dudi Muhammad Wildan; Ayu Ervinia
Jurnal Teknologi Perikanan dan Kelautan Vol 12 No 1 (2021): MEI 2021
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2880.965 KB) | DOI: 10.24319/jtpk.12.27-38

Abstract

Mudcrab (Scylla serrata Forskal) is one of several dominant species in the fish production from Karangsong coastal waters, Indramayu Regency. However, effort to manage the mudcrab in the waters is still limited. This study aimed to estimate a growth of the mudcrab as a base for crab management at the waters. Monthly sampling of the crab in the study area was conducted according to fisherman catch using bamboo trap for 4 months (Juni-September 2013). Carapace width and weight were employed for calculating frequency distribution, growth pattern, and growth. Growth estimation of the crab was calculated using Von Bertalanffy equation. This study revealed that the carapace width of the mudcrab ranged of 60-138 mm (male), and 74-139 mm (females). Crab’s growth patterns of the mud crab was negative allometric, W = 0.0003L2.8793 (male) dan W = 0.003L2.3210 (female). Through analysis of growth parameter estimation, it was obtained the following equatiosn: Lt = 157.35 [1-e(-0.39(t+0.26)] (male), and Lt = 147.99 [1-e(-0.42(t+0.24)] (female).
BIOLOGI REPRODUKSI IKAN BELANAK (Planiliza subviridis) YANG TERTANGKAP DI PERAIRAN PANTAI KARANGSONG, INDRAMAYU, JAWA BARAT Sri Ratnaningsih; Sulistiono Sulistiono; M Mukhlis Kamal; Dudi M Wildan; Ayu Ervinia
Jurnal Teknologi Perikanan dan Kelautan Vol 12 No 1 (2021): MEI 2021
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2792.859 KB) | DOI: 10.24319/jtpk.12.61-72

Abstract

Ikan belanak (Planiliza subviridis) merupakan salah satu dari beberapa jenis ikan yang mempunyai nilai ekonomis tinggi di Perairan pantai Karangsong. Penelitian ini dilakukan selama 6 bulan (Desember 2012-Mei 2013), bertujuan untuk mengetahui biologi reproduksi ikan tersebut yang tertangkap di perairan pantai Karangsong. Ikan contoh diambil dari hasil tangkapan nelayan dengan menggunakan gill net ukuran mata jaring 0,5-1,5 inchi (n=336 ekor). Hasil pengamatan menunjukkan bahwa rasio ikan belanak jantan dan betina tidak seimbang yaitu 1:2,0. Ikan belanak betina lebih kecil mengalami matang gonad dibandingkan dengan ikan jantan, dengan ukuran pertama kali matang gonad sebesar 114 mm (ikan jantan) dan 102 mm (ikan betina). Puncak musim pemijahan ikan belanak di Perairan pantai Karangsong diduga terjadi pada bulan Februari. Jumlah telur ikan belanak cukup besar yaitu sebesar 9.691-173.335 butir telur. Diameter telur ikan tersebut berkisar antara 0,18-0,75 mm dengan modus penyebaran dua puncak yang mengindikasikan pemijahan secara parsial.
Recruitment patterns of freshwater amphidromous fishes (Pisces: Gobiidae, Eleotridae) to the Cimaja estuary, Palabuhanratu Bay Charles P.H Simanjuntak; Faqih Baihaqi; Tri Prabowo; Shafira Bilqis A; Sulistiono Sulistiono; Ayu Ervinia
Jurnal Iktiologi Indonesia Vol 21 No 3 (2021): October 2021
Publisher : Masyarakat Iktiologi Indonesia (Indonesian Ichthyological Society)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32491/jii.v21i3.595

Abstract

The sustainability of amphidromous fishes is determined by the success of the larval recruitment process from marine to freshwaters habitats. This study aimed to determine the recruitment pattern of freshwater amphidromous fish to the Cimaja River estuary, Palabuhanratu Bay in terms of season and daily. Amphidromous fish were caught monthly on the 25th of Hijri or waning crescent from December 2020 to August 2021. Sampling in one whole day with observation intervals every 4 hours was carried out in June 2021 to reveal the time of larvae and juveniles of the amphidromous fish recruit to the Cimaja River estuary. A total of 13 species of amphidromous fishes representing five genera and two families was captured. The recruitment of amphidromous fishes into the Cimaja River occurs between the peak of the rainy season to dry season. Generally, amphidromous recruit into the estuary waters of the Cimaja River is at the juvenile stage (11.9-21.8 mm body length). However, the recruitment of some amphidromous fish species appears at the postflexion stage (6.9-11.9 mm BL). Based on diel observations, larvae and juveniles of amphidromous fish are generally preferred to recruit to the Cimaja River estuary in the early morning (03:00 am) and afternoon (03:00 pm). Recruitment of amphidromous fish larvae to the Cimaja River follows a semi-diurnal tidal cycle which is a tidal type in Palabuhanratu Bay. Amphidromous fishes use tidal flux to recruit and migrate upstream of the Cimaja River through estuaries. Abstrak Keberlanjutan sumber daya ikan amfidromus ditentukan oleh keberhasilan proses rekrutmen larva dari habitat laut menuju perairan tawar. Penelitian ini bertujuan untuk mengetahui pola rekrutmen ikan amfidromus air tawar menuju perairan estuari Sungai Cimaja, Teluk Palabuhanratu ditinjau dari musim dan harian. Ikan amfidromus ditangkap setiap bulan pada tanggal 25 Hijriah atau awal bulan baru dari Desember 2020 sampai Agustus 2021. Sampling dalam satu hari penuh dengan interval pengamatan setiap 4 jam dilakukan pada Juni 2021 untuk menentukan waktu larva dan yuwana ikan amfidromus rekrut ke estuari Sungai Cimaja. Sebanyak 13 spesies anak ikan amfidromus mewakili lima genera dan dua famili ditemukan. Puncak rekrutmen anak ikan amfidromus di Sungai Cimaja terjadi antara pertengahan musim penghujan sampai musim kemarau. Anak ikan amfidromus yang melakukan rekrutmen ke perairan estuari Sungai Cimaja umumnya berada pada stadia yuwana (panjang tubuh 11.9-21.8 mm). Namun proses rekrutmen ke wilayah estuari Cimaja pada beberapa spesies ikan amfidromus lainnya terjadi pada stadia postflexion (6,9-11,9 mm). Berdasarkan pengamatan harian ditemukan bahwa larva dan yuwana ikan amfidromus umumnya memilih rekrut ke estuari Sungai Cimaja pada dini hari (pukul 03:00) dan sore hari (15:00). Puncak rekrutmen larva ikan amphiromus menuju Sungai Cimaja mengikuti siklus pasang semi-diurnal yang merupakan tipe pasang di Teluk Palabuhanratu. Ikan amphidromous memanfaatkan gelombang pasang untuk rekrut dan beruaya ke arah hulu Sungai Cimaja melewati daerah estuari.
SOME OCEANOGRAPHIC FEATURES OF PELABUHANRATU BAY, WEST JAVA, INDONESIA Helmy Akbar; Andre Wizemann; Ayu Ervinia; Haidir Ilyas; Hendra Pangkey; Kristiyanto Kristiyanto; Neira Purwanty Ismail; Singgih Afifa Putra
JURNAL ENGGANO Vol 4, No 1
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (729.789 KB) | DOI: 10.31186/jenggano.4.1.26-42

Abstract

Pelabuhanratu Bay plays a big role for the flow of nutrients from the land to the sea of Sothern-Java. This study was conducted in Pelabuhanratu Bay, Sukabumi, West Java, in March 2012. The aim of this study is to measure the oceanographic parameters (physical and chemical) of Pelabuhanratu Bay i.e. tides, waves, current, temperature, salinity, depth, density, dissolved oxygen (DO), total suspended solids (TSS), turbidity, pH and nutrients. The bay directly faces the Indian Ocean, during the surveyed we found mean angle of wave refraction was about ~4.3° ± 1.5°, with left side wind direction. Overall the current direction has an irregular trend. The tidal cycle of the bay is diurnal, with the temperature decrease into the deep layer. Only the surface exhibits a slightly lower salinity compared to the rest of the water column. Some parameters (i.e. TSS, DO) found in high concentration but declining following the depth. Other chemical concentrations (e.g. ortho-phosphate, silicate) also showed diminished after 10-15 depth measurement.
PENGARUH CAHAYA TERHADAP TINGKAT KELANGSUNGAN HIDUP DAN PERTUMBUHAN KARANG LUNAK LOBOPHYTUM STRICTUM (OCTOCORALIA: ALCYONACEA) HASIL TRANSPLANTASI PADA SISTEM RESIRKULASI Beginer Subhan; Dedi Soedharma; Dondy Arafat; Hawis Madduppa; Fadillah Rahmawati; Ayu Ervinia; Aditya Bramandito; Denny Khaerudi; Ahmad Taufik Ghozali
Jurnal Teknologi Perikanan dan Kelautan Vol 3 No 2 (2012): NOVEMBER 2012
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (266.925 KB) | DOI: 10.24319/jtpk.3.35-42

Abstract

The current research was conducted to investigate the effect of light on growth of soft coral Lobophytum strictum. This species was transplanted and reared in two different ponds, uncovered pond (with light penetration) and covered pond (no light penetration. A total of 16 coral fragments was placed on each pond. Both, the survival rate and the growth rate were significantly different on the effect of light (P<0.05). The soft coral on the uncovered pond was survive up to 12 weeks (100%), followed with increased length (from 5,95 to 10,04 cm) and width (from 5,27 to 6,84 cm) of the transplanted coral fragments. Conversely, the soft coral in the covered ponds showed survival rate of 62,5% (up to 8th week), with decreased length (from 8,25 to 5,25 cm) and width (from 9,14 to 4,86 cm) of each fragments during the period of study.
Population Dynamics of the Three-Spot Swimming Crab (Portunus sanguinolentus) in Pati Waters, Central Java Kamal Mustabiq; Navisa Fairuz; Dicky Darmawan; Ayu Ervinia; Kuncoro Catur Nugroho; Wita Setioko
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 3 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i3.51512

Abstract

Saat ini Portunus sanguinolentus merupakan salah satu komoditas perikanan yang mengalami penurunan populasi akibat tekanan eksploitasi dan kerusakan habitat atau lingkungan. Hal ini berdampak pada perubahan struktur populasi dan strategi reproduksi P. sanguinolentus, dengan parameter yang dapat berubah antara lain ukuran gonad pertama yang mengecil, perubahan daerah dan musim pemijahan, serta perubahan keseimbangan rasio jenis kelamin. Penelitian ini bertujuan untuk mengetahui dinamika populasi P. sanguinolentus di Kabupaten Pati Jawa Tengah dan bermanfaat bagi industri pengolahan untuk menghasilkan suatu produk baru. Data dan informasi diperoleh melalui observasi, wawancara, dan pencacahan yang dilakukan di setiap tempat pendaratan ikan. Pengumpulan data hasil tangkapan dilakukan di daerah penangkapan ikan kurang dari 12 mil dengan kedalaman maksimal 15 m selama 5 bulan. Perangkat lunak FISAT II digunakan untuk menganalisis parameter pertumbuhan, tingkat kematian, dan tingkat eksploitasi. Diperoleh data berat badan sebesar 7,72 kg dengan jumlah sampel sebanyak 107 ind yang terdiri dari 46 ekor betina dengan rata-rata lebar 106,24 mm dan 61 ekor jantan dengan lebar 103,95 mm, serta rata-rata berat seluruh sampel 74,26 g.
Population Parameters of Blue Swimming Crab Portunus pelagicus in the Tiworo Strait, Southeast Sulawesi Muhamad Cardin APRI; Muh Welis; Ayu Ervinia; Bambang Arif Nugraha; Kuncoro Catur Nugroho
Jurnal Ilmu dan Teknologi Kelautan Tropis Vol. 15 No. 3 (2023): Jurnal Ilmu dan Teknologi Kelautan Tropis
Publisher : Department of Marine Science and Technology, Faculty of Fisheries and Marine Science, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jitkt.v15i3.51514

Abstract

The blue swimming crab (Portunus pelagicus) has a wide distribution in the fishing ground waters for fishermen's activity in the Tiworo Strait. The coastal area of Tiworo Strait has quite a lot of crab potential. Therefore, it is used as one of the pilot locations for sustainable crab management projects of the Indonesian Blue Swimming Crab Association (APRI). Growth, total mortality, natural death, fishing mortality, and the exploitation rate were the population parameters of crabs that need to be known so that management can be carried out in a sustainable manner of fisheries. A study on the population parameters of crabs has been conducted in the Tiworo Strait, based on carapace width frequencies data collected from Juli to December 2021 and analyzed using FISAT (FAO-Iclarm Stock Assessment Tool) II. The total sample is 7,809 samples, where the number of male blue swimming crabs is 3,295 samples and 4,514 females. The average size of the blue swimming crab carapace width caught was 107.57 mm for males and 110.65 mm for females. The results of the study showed that the growth rate (K) was 1.01/year, the total mortality rate (Z) was 0.67/year, the natural death rate (M) was 1.25/year, and the fishing mortality rate was 0.58/year. The exploitation rate (E) of blue swimming crab was 0.86, which showed symptoms of over–exploitation, so the management of crabs in these waters must be carried out more carefully to sustain the availability of crab resource stocks. Keywords: blue swimming crab, width, weight, Tiworo Strait
BIOLOGI REPRODUKSI IKAN PEPETEK (Leiognathus equula) DI PESISIR PERAIRAN CILINCING, JAKARTA UTARA Awwali, Aliza Tinur; Sulistiono, Sulistiono; Wildan, Dudi Muhammad; Ervinia, Ayu; Wahyudewantoro, Gema; Haryono, Haryono
Jurnal Teknologi Perikanan dan Kelautan Vol 15 No 2 (2024): JUNI 2024
Publisher : Fakultas Perikanan dan Ilmu Kelautan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24319/jtpk.15.223-233

Abstract

Ikan pepetek (Leiognathus equula) merupakan salah satu ikan demersal yang banyak ditangkap di perairan pesisir Cilincing dan memiliki nilai yang cukup penting karena dikonsumsi oleh sebagian besar masyarakat Cilincing baik dalam bentuk segar maupun kering. Penelitian ini bertujuan untuk menganalisis aspek reproduksi ikan tersebut. Data sampel yang dikumpulkan meliputi panjang total, berat, dan aspek reproduksi. Penelitian ini dilakukan pada bulan Maret-Juli 2023. Sampel ikan ditangkap menggunakan alat tangkap jaring insang (ukuran mata jarring 1-2 inci). Hasil penelitian diperoleh total 150 ekor ikan pepetek (52 ekor jantan dan 98 ekor betina), hubungan panjang-berat ikan adalah W = 0.1682L2.0979 (jantan) dan W = 0.0169L2.9941 (betina). Tingkat kematangan gonad ikan pepetek betina menyebar dari TKG III sampai TKG IV, dan TKG ikan pepetek jantan menyebar dari TKG I sampai TKG IV. Berdasarkan tingkat kematangan gonad dan indeks somatik gonad, pemijahan terjadi sekitar bulan Juni dan Juli. Fekunditas ikan pepetek berkisar antara 108.287-362.667 telur. Diameter telur berkisar antara 0,18-0,514 mm, berdasarkan sebaran telur, ikan pepetek diperkirakan memiliki tipe pemijahan total.
Morphometrics and Growth Patterns of Squids in the North and South Coasts of Java, Indonesia Ayu Ervinia; Charles P H Simanjuntak; Sulistiono Sulistiono; Dwi Yuni Wulandari; Zairion Zairion
Jurnal Ilmiah Perikanan dan Kelautan Vol. 16 No. 2 (2024): JURNAL ILMIAH PERIKANAN DAN KELAUTAN
Publisher : Faculty of Fisheries and Marine Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jipk.v16i2.54719

Abstract

Highlight Research The mitre squid (Uroteuthis chinensis), the Indian squid (Uroteuthis duvaucelii), and the purpleback flying squid (Sthenoteuthis oualaniensis) were identified. Morphometric differences among three squid species were analyzed. Microanatomy observations on the shapes of the sucker rings were important for species identification. Hypoallometric and isometric growth patterns were observed. Abstract Squids play vital ecological and economic functions as keystone species in marine food webs and integral components of global capture fisheries. However, a comprehensive understanding of their diversity and life history characteristics in Indonesian waters is still poorly understood. This study aimed to identify squids that inhabited Java's northern and southern coasts and examine their growth pattern through morphometric analysis. Six hundred eighteen squid samples were collected fishers caught from May to September 2022 in Blanakan and Palabuhanratu Bay, representing two areas of interest. The body size and the shape of sucker rings of squids were observed using morphometric method. Kruskall-Wallis test, Principal Component Analysis, and Spearman's correlation were performed to investigate morphometric variation and relationships. The length-weight relationships were estimated for each species.. This study reported three species of squid on the north and south coasts of Java, namely the mitre squid (Uroteuthis chinensis), the Indian squid (Uroteuthis duvaucelii), and the purpleback flying squid (Sthenoteuthis oualaniensis). There were significant differences observed in ten morphometric variables among the three species of squid (p < 0.05), with fin width, fin length, and sucker ring teeth identified as the key distinguishing feature for the squids. Spearman's correlation indicated stronger associations between mantle and fin variables (ρ = 0.666-0.967, p < 0.05) than those between mantle and head variables (ρ = 0.380-0.864, p < 0.05).Mantle length-weight relationships revealed a hypoallometric growth pattern for U. chinensis and U. duvaucelii, while S. oualaniensis exhibited an isometric growth pattern. The finding of this study provides valuable insights concerning the growth of squids that reflect variation in ontogenic development, trophic ecology, and environmental conditions in Indonesian waters.
Co-Authors . Zairion Aditya Bramandito Ahmad Taufik Ghozali Andre Wizemann Awwali, Aliza Tinur Bambang Arif Nugraha Beginer Subhan Charles Parningotan Haratua Simanjuntak Dedi Soedharma Denny Khaerudi Dicky Darmawan Dondy Arafat Dudi M Wildan Dudi Muhammad Wildan Dwi Yuni Wulandari Fadillah Rahmawati Faqih Baihaqi Gema Wahyudewantoro, Gema Haidir Ilyas Haryono Haryono Hawis H Madduppa Helmy Akbar Hendra Pangkey Iqra Putra Sanur Kamal Mustabiq Kristiyanto Kristiyanto Kuncoro Catur Nugroho M Mukhlis Kamal Muh Welis Muhamad Cardin APRI Navisa Fairuz Neira Purwanty Ismail Shafira Bilqis A Singgih Afifa Putra Sri Ratnaningsih Sulistiono Sulistiono Sulistiono Sulistiono Sulistiono Sulistiono Sulistiono Tri Prabowo Wildan, Dudi Muhammad Wita Setioko Yonvitner -