scholarly journals ANALISIS BIOEKONOMI SUMBER DAYA IKAN TENGGIRI (Scomberomorus commerson) DI PERAIRAN KABUPATEN INDRAMAYU JAWA BARAT)

2014 ◽  
Vol 4 (2) ◽  
pp. 117
Author(s):  
Lugas Lukmanul Hakim ◽  
Zuzy Anna ◽  
Junianto Junianto
Keyword(s):  
Natural Resources ◽  
Fishing Effort ◽  
Fishing Ground ◽  
Survey Method ◽  
Fishing Gear ◽  
Total Allowable Catch ◽  
Spanish Mackerel ◽  
Management Regime ◽  
Gill Net ◽  
Scomberomorus Commerson

Penelitian ini memaparkan analisis bioekonomi pemanfaatan sumber daya ikan tenggiri pada berbagai rezim melalui Model Gordon Schaefer dengan model estimasi parameter biologi CYP serta arah kebijakan pengelolaannya di Kabupaten Indramayu. Penelitian ini dilaksanakan pada Bulan Februari-Juli 2014 dengan metode survey melalui analisis kuantitatif deskriptif. Hasil penelitian menunjukkan laju pertumbuhan intrinsik (r) adalah 10,291 ton/tahun, koefisien daya tangkap (q) adalah 0,001673 ton/trip, daya dukung lingkungan adalah 250,028 ton/tahun, biaya (c) adalah 1,762 Rp/trip dan harga (p) adalah 30,750 Rp/ton. Upaya maksimum lestari (EMSY) yaitu 3076 trip/tahun dengan nilai produksi maksimum lestari (hMSY) sebesar 643,260 ton/tahun. Upaya MEY (EMEY) sebesar 2654 trip/tahun dengan produksi (hMEY) sebesar 631,141 ton/tahun. Upaya penangkapan perikanan terbuka (Eoa) adalah 5.308 trip/tahun dengan produksi (hOA) sebesar 304,689 ton/tahun. Kegiatan pemanfaatan menunjukkan tangkap lebih secara biologi dan ekonomi. Implementasi kebijakan dari penelitian ini adalah pembatasan upayasebesar 314-736 trip, pengaturan armada alat tangkap jaring insang hanyut adalah 353-409 unit, payang 0-5 GT adalah 409-474 unit, payang > 5-10 GT adalah 73-85 unit, Jumlah tangkapan diperbolehkan ikantenggiri sebesar 514,608 ton dengan kuota jaring insang hanyut sebesar 485,680 ton, payang 0-5 GT sebesar 5,772 ton, payang > 5-10 GT sebesar 23,156 ton, pengaturan teknis lainnya (perlindungan SDAdan DPI, pengawasan pemanfaatan sumber daya dan pungutan perikanan tangkap).Title: Bioeconomic Analysis of Narrow-barred Spanish Mackerel (Scomberomorus commerson) in The Water of Indramayu Regency West JavaThis research analyzed bioeconomic modelling of narrow-barred spanish mackerel in every fisheries management regime through Gordon Schaefer Model and CYP Parameter Estimation model, also a direction of its management policy in Indramayu Region. This research was conducted from February to July 2014, survey method and descriptive quantitative analysis were used in carrying out this research. The results of this research indicated that intrinsic growth parameter (r) of narrow-barredspanish mackerel approximately 10,291 ton/year, catchability coefficient (q) was about 0,001673 ton/trip, carrying capacity (K) reached at 250,028 ton/year, cost (c) was 1,762 Rp/trip and price (p) was 30,750Rp/ton. Maximum sustainable yield fishing effort (EMSY) reached at 3,076 trip/year with productionof MSY (hMSY) approximately 643,260 ton/year. MEY fishing effort (EMEY) reached 2,654 trip/year with MEY production (hMEY) Approximately 631,141 ton/year. Open access fishing effort (Eoa) reached about 5.308 trip/year with production (hOA) approximately 304,689 ton/year. Harvesting of narrow-barred spanish mackerel indicated biological and economic overfishing. The implementation from this research results were conducting limited entry for 314-736 trip; controlling fishing fleet for each fishing gear: gill net (< 5 GT) was about 353-409 unit, seine net (< 5 GT) was about 409-474 unit, others seine net (>5- 10GT) was 73-85 unit; Total Allowable catch of narrow-barred spanish mackerel was about 514,608 ton with quote for every fishing gear: gill net was about 485,680 ton, seine net (<5GT) approximately 5,772 ton,others seine net (>5-10GT) was about 23,156 ton; and others in technical control (natural resources and fishing ground conservation, controlling of natural resources harvesting and fishing fee aplication).

scholarly journals Construction of Gill Net 2 and 3 Inches in The Village Kampung Nelayan of Regency Tanjung Jabung Barat

2019 ◽  
Vol 10 (1) ◽  
pp. 15-23
Author(s):  
Nelwida Nelwida ◽  
Lisna Lisna ◽  
Ren Fitriadi
Keyword(s):  
Statistical Analysis ◽  
Survey Method ◽  
Fishing Gear ◽  
Environmental Friendliness ◽  
Gill Nets ◽  
A Value ◽  
Gill Net ◽  
Dimension Analysis ◽  
The Village ◽  
Descriptive Statistical Analysis

Gill nets is the most dominant fishing gear used by fishermen in Kampung Nelayan Village. Gill nets 2 and 3 inches are widely used by traditional fishermen and modern fishermen because this tool is very practical to catch fish also friendly to the environment. This study aims to determine the construction and friendliness of fishing gear gill nets 2 and 3 inches which include the length of the net, the width of the net, shortening, buoyancy and sinking power. This research was carried out in the Village of Kampung Nelayan, Tungkal Ilir Subdistrict, Tanjung Jabung Barat District in February 2018. The method used in this research was survey method. The data obtained were analyzed using net dimension analysis and descriptive statistical analysis. Based on the results of research on the construction of 2 and 3 inches gill nets consisting of nylon monofilament made from transparent colors. The knot used by the English knot. Top rope, float, and float buoy made from polyethylene (PE) rope and ballast rope made from polypropylene (PP). The sinker made from tin and gill net 3 inch weight based on bracelet-shaped wire.Net shortening value of 2 inch is 51.75% and has a buoyancy of 3.05 kgf and a sinking power of 9.97 kgf. As well as the value of gill shortening 3 inch 50.62% and the buoyancy generated 6.22 kgf and the sinking power of 365.4 kgf. The value of environmental friendliness of 2 and 3 inch nets has a value of 31.25 and 30.75 and is classified as environmentally friendly fishing gear.

Incidental capture of elasmobranchs in the bottom-set gill-net fishery off the south coast of Ireland

1994 ◽  
Vol 74 (4) ◽  
pp. 837-847 ◽  
Author(s):  
S.D. Berrow
Keyword(s):  
Fishing Effort ◽  
South Coast ◽  
Fishing Gear ◽  
The South ◽  
Blue Shark ◽  
Incidental Capture ◽  
Gill Net ◽  
Total Capture ◽  
Catch Rates ◽  
Basking Shark

The incidental capture of sharks in the bottom-set gill-net fishery off the south coast of Ireland was quantified by placing observers on commercial gill-netters for the duration of a fishing trip. Forty fishing trips were sampled resulting in 1,167 km and 19,760 km h of observed fishing effort. Sixty individual sharks of seven species were reported entangled in the fishing gear. Tope, porbeagle and six-gilled sharks were the most frequently caught species, with black-mouthed dogfish, blue shark, basking shark and starry smooth hound also recorded. Total fishing effort along the south coast was calculated and total capture extrapolated from observed catch rates. An estimated 6,000 sharks were caught in this fishery during the study period.

scholarly journals Assessment and Composition of Fish in the River District Maro Merauke

2018 ◽  
Vol 73 ◽  
pp. 04006
Author(s):  
Edy H.P Melmambessy ◽  
Irianis L. Latuperissa ◽  
Marius Agustinus Welliken ◽  
Nova Suryawati Monika ◽  
Rosa Delima Pangaribuan
Keyword(s):  
Data Analysis ◽  
Species Composition ◽  
Diversity Index ◽  
Survey Method ◽  
Frequency Diversity ◽  
Lates Calcarifer ◽  
Dominance Index ◽  
Gill Net ◽  
Scomberomorus Commerson ◽  
Index Value

Maro River is one of the major rivers in Merauke Regency that has a width of about 43-900 m and length of 300 km. The purpose of this study is to find out the type and composition of fish caught using gill net in Maro River, Merauke Regency. This study was conducted in Maro River, Merauke Regency from May to June 2014. It was conducted using survey method. The data analysis included: species composition, relative abundance, availability frequency, diversity index and dominance index. The results of showed 1,084 fish in 17 species with the following composition; 490 of Kurtus gulliveri species (37,01%), 212 of Eleutheronema tetradactylum species (20,33%), 170 of Polydactylus plebeius species (16,30%), 75 of crassilabris Cinetodus species (7,19%), 64 of Cinetodus froggatti species (6,14%), 37 of Argyrosomus amoyensis species (3,55%), 20 of Mugil cephalus species (1,92%), 15 of Megalops cyprinoides species (1,53%), 15 of Thryssa scratchleyi species (1,4%), 12 of Lebtobrama sp species (1,15%), 9 of Lates calcarifer species (0,86%), 7 of Marilyna meraukensis species (0,67%), 7 of Scomberomorus commerson species (0,67%), 5 of Nibea squamosal species (0,48%), 4 of Rhinoptera javanica species (0,38%), 3 of Harpadon microchir species (0,29%) and 1 of Datnioides campbelli species (0,10%). Based on the availability frequency, there are 37 species with a percentage of 100%, 37 species with 67% and 7 species with 33%. The diversity of fish has a moderate value of 1<H’<3. The obtained dominance index value is close to 0, then it is stated that there is no species found to be dominant.

scholarly journals STRATEGI PENGELOLAAN SUMBER DAYA UDANG LAUT DALAM SECARA BERKELANJUTAN DI INDONESIA

2013 ◽  
Vol 5 (1) ◽  
pp. 47
Author(s):  
Ali Suman ◽  
Fayakun Satria
Keyword(s):  
Deep Sea ◽  
Early Stage ◽  
Fishing Effort ◽  
Fishing Ground ◽  
Total Allowable Catch ◽  
Shallow Marine ◽  
Management Measures ◽  
Long Run ◽  
Sea Area ◽  
Untapped Resource

<p>Pemanfaatan sumber daya udang di Indonesia dilakukan pada wilayah perairan laut dangkal dan status pengusahaannya sudah dalam tahapan jenuh (over-fishing). Apabila kondisi ini dibiarkan dalam jangka panjang tanpa adanya usaha pengelolaan yang berkelanjutan, maka akan menyebabkan kelestarian sumber daya udang akan terancam dan bahkan bisa punah. Salah satu hal yang harus dilakukan dalam mengantisipasinya adalah mencari daerah penangkapan baru di perairan laut dalam, berupa sumber daya udang yang potensial dan belum pernah dimanfaatkan (untapped resources). Komposisi jenis udang laut dalam di perairan Indonesia lebih dari sekitar 38 jenis dengan jenis udang yang mendominasi adalah Plesiopenaeus edwardsianus dan Aristeus virilis serta alat tangkap yang disarankan untuk pemanfaatannya adalah bubu laut dalam tipe silinder. Potensi penangkapan udang laut dalam di Kawasan Barat Indonesia (KBI) sebagai 640 ton per tahun dan di Kawasan Timur Indonesia (KTI) sebagai 2.840 ton per tahun. Agar pengelolaan sumber<br />daya udang laut dalam dapat dilakukan berkelanjutan, maka harus dikelola dari awal pemanfaatannya. Strategi pengelolaan yang harus dilakukan adalah membatasi upaya penangkapan pada tingkat upaya sekitar 285 armada bubu laut dalam di KBI dan sekitar 1.250 armada bubu laut dalam di KTI. Selain itu harus dilakukan penutupan musim dan daerah penangkapan serta dilakukan penetapan kuota penangkapan.</p><p>The utilization of Indonesia’s shrimps resources are commonly taking from shallow marine water while its status is currently on overfishing stage. In the long run without appropriate management will threat its sutainability and may be worsen to become extinct. A possible anticipition is finding a new fishing ground at deep sea area for potential deep sea shrimps as untapped resource. Deep sea shrimps species composition have been identified for more than 38 species with mainly dominated by Plesiopenaeus edwardsianus and Aristeus virili. Recommended fihing gear for utilizing those resource is deep sea cylinder pots. Deep sea shrimps fishing potency whithin Western Indonesia Area (WIA) was estimated for 640 mt/year and Eastern Indonesia Area (EIA) was 2.840 mt/year. Asssuring the sustainability of deep sea shrimp resource require right and apropriate management apply since the early stage. It is proposed to adopt several management measures such as limit the fishing effort for 285 deep sea pots within WIA and 1.250 deep sea pots within EIA, apply close area and fishing season and determine total allowable catch.</p>

scholarly journals Determination of gill-net selectivity for King Fish (Scomberomorus Commerson, Lacepede 1800) using Mesh size in Sungailiat, Bangka Belitung Province

2021 ◽  
Vol 16 (4) ◽  
Author(s):  
Pareng Rengi ◽  
Polaris Nasution ◽  
Arthur Brown ◽  
Ayu Nita Ervina Tambunan
Keyword(s):  
Standard Deviation ◽  
Population Distribution ◽  
Fork Length ◽  
Mesh Size ◽  
Fishing Gear ◽  
Gill Net ◽  
Scomberomorus Commerson ◽  
L Value

Selectivity is a fishing gear characteristic capable of catching fish of a specific size and species from the existing population distribution. Mesh size is one of the important factors that influence gillnets’ selectivity, because different length-classes of fish are caught by them. This report focuses on the selectivity of two mesh sizes of gillnets (8.89 cm and 10.16 cm) on mackerel's catch and constructing a gillnet in Sungailiat waters. Experimental fishing methods and selectivity analysis were used for the fishing gear’s more selective preparation, if the largest fishing ratio's value at the fork length (L) is high and the standard deviation value (S) is closer to 1. It is concluded that to be more selective a largest S (L) value of 0.999267194 at fork length (L=54.95 cm), and with a larger value of S (L) 0.997096071 and with (L=66.55 cm) for mesh Sizes 8.89 cm and 10.16 cm, respectively.

scholarly journals Analisis Kapasitas Perikanan dengan Pendekatan Data Envelopment Analysis (DEA) di Perairan Utara Gorontalo

2009 ◽  
Vol 10 (1) ◽  
pp. 23-33
Author(s):  
Abdul Hafidz Olii
Keyword(s):  
Data Envelopment Analysis ◽  
Fishing Effort ◽  
Purse Seine ◽  
Fish Stock ◽  
Fishing Gear ◽  
Data Envelopment ◽  
Fishing Boat ◽  
Gill Net ◽  
Fishing Capacity ◽  
Using Data

Fishing capacity is ability of fishery input (boat) used in output production (catch), it measured by using fishing unit or other fishing gear production. In simple way, fishing capacity is an ability of fishing boat (with all aspects) to capture fish. This ability will depend on the fish stock to be captured (seasonally or yearly) and the ability of the fishing gear itself. The aims of this research are to analyze technical efficiency and capacity of capture fishery in between years, of fishing gear and of purse seine. Research location was in the northern water of Gorontalo. Data was analyzed using data envelopment analysis (DEA). The development of capture fishery in 20 years since 1986 - 2005 of the northern water of Gorontalo showed that 1995, 2003 and 2005 are the most efficient years compared to other years, therefore, these years can be used as a basic of allocating fishing effort and catch. The most efficient fishing gear was purse seine and line, whereas gill net is an inefficient fishing gear. For purse seine, there are 11 boats that have efficiency value of 1. In order to reach efficiency level of each purse seine, it needs to decrease the number of input such as reducing 27.97 percent of boat, reducing the length of fishing duration to 29.49 percent,reducing the length of fishing trip / tonnage month to 26.87 percent and reducing fishing operation cost to 15.67 percent.

scholarly journals Typology of Skipjack (Katsuwonus pelamis) Fisheries at Nizam Zachman Oceanic Fishing Port, Jakarta, Indonesia

2020 ◽  
pp. 39-50
Author(s):  
Wanda Afriliani ◽  
Zuzy Anna ◽  
Asep Agus Handaka ◽  
Alexander M. A. Khan
Keyword(s):  
Decision Making ◽  
Primary School ◽  
Work Experience ◽  
Sampling Method ◽  
Purse Seine ◽  
Fishing Ground ◽  
Survey Method ◽  
Fishing Gear ◽  
Katsuwonus Pelamis ◽  
The Social

This study aims to analyze the aspects of technical, social, and economic typologies of skipjack fisheries at Nizam Zachman oceanic fishing port, Jakarta. This research expected to provide information for decision-making in formulating policies in skipjack fisheries activities, thus they remain sustainable—this research conducted at Nizam Zachman oceanic fishing port, Jakarta from August 2019 to February 2020. The method used in this research is the survey method by interviewing the respondent through questionnaires for 100 respondents. The sampling method was done randomly, and the data were analyzed by descriptive qualitative. The social typology shows the orientation of Nizam Zachman as an industrial ocean fishing port is for commercial purposes. The main productive age level of fishers ranges from 35-39 years (33%) and the last education is a primary school (46%). Regarding the work experience, 38% had been fisher between 16-20 years. The technical typology shows the fishing gear that operated to catch skipjack at Nizam Zachman are purse seine, longline, also carrier vessel. In general, 74% of the size fleets were in 100-200 GT and the length of trips in 1-2 months (48%). The fishing ground area is in 572, 711 and 712 FMA. The economic typology shows skipjack production/trip by purse seine was 54%, longline (1%) and carrier vessel (57%).

scholarly journals River lamprey, Lampetra fluviatilis L., fishery in Latvia – insight into the origin of catch statistics data

2014 ◽  
Vol 22 (3) ◽  
pp. 169-179 ◽  
Author(s):  
Kaspar Abersons ◽  
Jānis Birzaks
Keyword(s):  
Fishing Effort ◽  
Fishing Ground ◽  
Fishing Gear ◽  
Lampetra Fluviatilis ◽  
River Lamprey ◽  
The Status ◽  
1960S And 1970S ◽  
Catch Statistics ◽  
The 1960S ◽  
Insight Into

Abstract Most research to date on the status of the river lamprey, Lampetra fluviatilis L. in Latvia has been done based on catch statistics data. The aim of this study was to explore the present status of the river lamprey fishery in Latvia to improve the understanding of catch statistics data. Currently, river lamprey fishing in Latvia is carried out at 24 fishing grounds located on 17 rivers. The most popular fishing gear is the lamprey fyke net, but lamprey weirs and lamprey trammel nets are also used. The type and design of the fishing gear depends on the parameters of the fishing ground. The catch size is highly variable and is greatly affected by the number of non-resources related circumstances, such as fishing regulations and meteorological factors determining the intensity of lamprey migration during the fishing season and opportunities for fishing during periods of the most intense migration. The fishing effort and the type of fishing gear have also largely changed since the 1960s and 1970s. Therefore, the fluctuation in both the long- and short-term catch data may not correspond to changes in the actual status of the lamprey population.

scholarly journals Potensi lestari dan tingkat pemanfaatan ikan selar (Atule mate) yang didaratkan di Desa Kelong, Kabupaten Bintan, Indonesia

2019 ◽  
Vol 3 (2) ◽  
pp. 57 ◽  
Author(s):  
Ageng Nur Agustins Zahra ◽  
Susiana Susiana ◽  
Dedy Kurniawan
Keyword(s):  
Economic Value ◽  
Secondary Data ◽  
Fishing Effort ◽  
Maximum Sustainable Yield ◽  
Primary Data ◽  
Fishing Ground ◽  
Survey Method ◽  
Utilization Rate ◽  
Fish Stocks ◽  
Literature Data Analysis

Yellowtail scad fish was an economic value fish that many fishermen in Kelong Village catch. One of fishing ground in Bintan was Merapas Waters. Fishing activities without considering fish stocks in nature will caused overfishing. The objective of this research was to determine the Maximum Sustainable Yield (MSY), rate and effort of utilization, and Total Allowed Catch (TAC) of Yellowtail Scad fish in Merapas waters landed on Kelong Village. The fishing gear that Fishermen in Kelong Village used to catch Yellowtail Scad fish was hand line. This research used survey method. Primary data from this research were catch and effort of Yellowtail Scad Fish, while secondary data obtained from fishermen interviews and related literature. Data analysis of this research used Schaefer method. The result of this research was the potential value of MSY is 2,501.37 kg/month with the optimum effort (f opt) 178 trip. The utilization rate of Yellowtail Scad fish was 38.48% and effort rate of Yellowtail Scad fish was 22.16%. Total allowed catch value of Yellowtail Scad fish was 2,001.1 kg. Overall, the catch of Yellowtail Scad Fish hasn’t reach overfishing, so the fishing effort can be more optimized.

scholarly journals Gillnet Selectivity on the Narrow-barred Spanish Mackerel (Scomberomorus commerson) Fishery in Pangandaran Waters

2021 ◽  
pp. 13-19
Author(s):  
Izza Mahdiana Apriliani ◽  
Lantun P. Dewanti ◽  
Herman Hamdani ◽  
Soraya Gigentika ◽  
Rachmad Cesario ◽  
...  
Keyword(s):  
Coastal Waters ◽  
Length Distribution ◽  
Fork Length ◽  
Mesh Size ◽  
Fishing Gear ◽  
Length Frequency ◽  
Class Interval ◽  
Spanish Mackerel ◽  
Selectivity Curve ◽  
Scomberomorus Commerson

Analyzing the selectivity of gillnet fishing gear using two different mesh sizes, namely 3.5 and 4 inches. Gillnets of these mesh sizes are commonly used by fishermen in Fish Landing Base (PPI) Cikidang, Pangandaran Regency, West Jawa. A total of 8 fishing trips were conducted at the coastal waters around PPI Cikidang, Pangandaran Regency, West Java from August 2018 to January 2019  using gillnet fishing gear As for each trip, 2-3 times the operation of the tool is carried out. The operation of the fishing gear is carried out with the help of vessels measuring 2-3 Gross Tonnage (GT). The catch obtained was differentiated based on the main catch and bycatch and the amount is calculated for analysis of the proportion of the catch. Mackerel (Scomberomorus commerson) is caught as the main catch, the fork length was measured for analysis of the length frequency distribution and selectivity curves. The operation of gillnets with a mesh size of 3.5 inches obtained a higher proportion of bycatch compared to gillnets with a mesh size of 4 inches. In addition, the length distribution of mackerel caught by gillnets with a mesh size of 3,5 inches is smaller (27-49 cm FL) compared to a mesh size of 4 inches (40-55 cm FL). Based on the distribution of length distribution, gillnets with a mesh size of 3.5 inches are more dominant in catching mackerel in a smaller size class interval than gillnets with a mesh size of 4 inches. Meanwhile, based on the selectivity curve for the length of mackerel with a 50% chance of being caught, it shows that gillnets with a mesh size of 3.5 or 4 inches are selective in catching mackerel, this is because the chances of catching fish at more than L50 are high.

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