International Journal of GEOMATE, Oct., 2018 Vol.15, Issue 50, pp. 38 - 44 ISSN: 2186-2982 (P), 2186-2990 (O), Japan, DOI: https://doi.org/10.21660/2018.50. 7212 Special Issue on Science, Engineering & Environment FISH CATCH QUOTA ASSESSMENT FOR SUSTAINABLE MARINE FISHERIES RESOURCES IN EAST JAVA Alfan Jauhari1, *Defrian Marza Arisandi1, Abu Bakar Sambah1,2, Wildan Alfarizi1 1Faculty of Fisheries and Marine Science, Brawijaya University, Indonesia; 2Marine Resources Exploration and Management Research Group, Brawijaya University, Indonesia Veteran Street Malang East Java *Corresponding Author, Received: 7 Feb. 2018, Revised: 11 April 2018, Accepted: 11 May 2018 ABSTRACT: Fish resources Information urgently needed by development planners in fisheries sectors, especially for fisheries development. The fisheries resources utilization in East Java tends to be overexploited. This caused uncertainty of fishing activities for the traditional fishermen in the East Java waters. Some studies of population dynamics and fish stock assessment described fisheries resources exploitation in some areas of East Java was on fully exploited to overexploited condition. The aim of this research were; [1] to know sustainable potential and total allowable catch of fisheries resources in the area of Pasuruan regency, Probolinggo Regency, and Banyuwangi regency; [2] tho know the utilization status of fisheries resources in the area of Pasuruan regency, Probolinggo Regency, and Banyuwangi regency; and [3] to determine the empowerment strategy for fishermen community in order to utilize fisheries resources in the area of Pasuruan regency, Probolinggo Regency, and Banyuwangi regency. The analyses were done through the calculation of sustainability potential, and total allowable catch, and determine the controlling strategy of fisheries resources utilization. The study described that the comparison analysis of fishing trip data, fish catch and total allowable catch in the sustainable condition was in the overexploited condition. Moreover, based on the analysis of fisheries resources utilization status in the research area, the controlling strategy was created based on the recommendation of all stakeholders. This strategy including the management of the fishing area, management of fishing time, and determine if alternative activities in the scope of both fisheries and non-fisheries sectors. These strategies can be used as a basic data in determining an empowerment strategy for fishermen in the fisheries resources utilization. These strategies including accompaniment approach and information services through community and ecosystem-based of fisheries resources management. Keywords: Fisheries Resources, Sustainability, Total Allowable Catch 1. INTRODUCTION exploitation of marine fisheries resources in the mouth of East Java has experienced more capture Information on fish resources is needed by then the catching operation is not possible to be the special fisheries development planners for the repaired. This situation creates social and economic development of capture fisheries. Quantitative problems for coastal communities. The arrangement information such as potential numbers is largely of capture quotas is one of the solutions to regulate determined by the presence or absence of excessive exploitation pressure on marine fish stocks information from survey results of research vessels in East Java. as well as from information collected through the periodic weather system, in particular, catch data, 2. METHODS fishing seasons, and distribution for certain species of fish in each region see (Purnomo, 2002). This research is one of analytical The utilization of marine fisheries in East Java can descriptive research that is describing a real be said to have experienced excessive levels of condition that exists in the field and doing situation exploitation. This will impact the uncertainty of analysis to data obtained. Descriptive method of fishing effort done by traditional fishermen in East analysis is a method of gathering facts through Java responsible area. Various studies of population appropriate interpretation. This method of study is dynamics and indicator estimates indicate the aimed at studying the problems that arise in a society pressure of exploitation of fishery resources in some in certain situations, including community relations, areas such as East Java has experienced full activities, attitudes, opinions, and ongoing processes exploitation until more exploitation. This will affect and their effects on certain phenomena in society. the work being built on the coastal area of East Java, This method is used to answer the research or work as a fisherman. When the level of objectives, namely; 38 International Journal of GEOMATE, Oct., 2018 Vol.15, Issue 50, pp. 38 - 44 1. To know the amount of sustainable potential and ...............................................(2) JTB fish in the waters of the study area. 2. To know the status of the utilization of fishery resources in the territorial waters of the study. Dimana : The steps taken to answer the first goal are: RFP = Index type conversion tool 1. Collection of captured data Catch The data collected is data collected from 10 years Y/ = Catch per unit effort respectively since 2004-2013, the data is secondary data. each fishing gear 2. Treatment of data Y/ = Catch per unit effort from the The 10-year data is intended to obtain standard tool data as input for analysis using Schafer, fox and standard Walterhilbern formulas. The treatment technique is using the formula RFP (Relative Fishing 2.2 Maximum Estimates Sustainable Power). The estimation of maximum sustainable While the steps to answer the second balanced tuna is done by using holistic approach or research objectives are: surplus production method that is Schaefer model 1. Compare the sustainable potential value (1954) and Fox (1970) to determine which method is calculated in the previous step to the actual "best fit" which is able to represent actual utilization rate in 2014. exploitation level of tuna. The maximum amount of 2. Decision making to determine the status of effort sustained (fMSY), and maximum sustainable resource utilization expressed in the sustainable yield (YMSY) can be calculated by the formula utilization rate.. (1) According to Schaefer (1954) ...............................................(3) dan ........................(4) Where: Y = Catch F = Attempts to catch A = Intercept of Schaefer model B = Slope of Schaefer model Ymsy = Maximum sustainable catch (potential Sustainable catch) Fmsy = Sustainable fishing effort Fig. 1 Study Area [A] Pasuruan Regency; (2) Menurut Fox (1970) [B] Probolinggo Regency .........................................................(5) [C] Banyuwangi Regency dan ........................(6) 2.1 Conversion of the Catching Efforts The fisheries management model refers to the Where : assumption that fishing gear must be transferred into c = Intercept of Fox model a standard unit. Thus it can be said that the fishing d = Slope model Fox gear is made into one unit equivalent to the catching equipment that is considered standard. The To calculate the utilization rate of a fishery resource conversion method used with the equation: by the formula: JTB = 80%Ymsy....................................................(7) .................................................(1) 2.3 Estimation of the Potential of Sustainable Reserves and Potential Backup Where : According to Walter and Hilborn (1976) CpUE = Capture per unit of effort biomass from year t + 1, Bt + 1 can be expected = Average portion of fishing gear 1 to total from Bt plus biomass growth for one year was fish production reduced by a certain amount of biomass during the = Average catch of fish by fishing gear year reduced by the amount of biomass released by = Mean Effort of the fishing gear exploitation of effort (f). The determination of stock Considered standard (trip). biomes follows the calculation by the equation: While the RFP is calculated using the equation: .....................................................(8) 39 International Journal of GEOMATE, Oct., 2018 Vol.15, Issue 50, pp. 38 - 44 To get the result of interpretation, must first know Where: Bt = biomass stock at time t the highest score (X) and lowest number (Y) for an Pdt = dB / dt = growth rate of biomass, intrinsic item of assessment with formula as follows: (Ton / yr) Y = highest score likert x number of respondents K = maximum carrying capacity of natural waters (5th highest score) "Notice the Value Weight" against biomass X = Likert's lowest score x number of respondents R = intrinsic growth rate of population stock (Lowest number 1) "Notice the Value Weight" T0 = time at Bt = ½ k So the assessment of respondents' interpretation of T = time, year, month and so on the strategy of controlling the utilization of Marine Fishery Resources in Pasuruan Regency is the result The potential for sustainable reserves is obtained of the resulting value using the formula Index% as from the equation Be = ½.k. While the potential of follows: fish stock in 2013 is obtained by the equation: Formula index% = (Total score) / (Y × 100) Bt+1 = Bt +Pdt – Yt.......Yt = ft x Bt x…..............(9) =Pdt = r x Bt - x Bt²........................................(10) 3. DISCUSSION 3.1 Illustration of Concepts 2.4 Preparation of Control Strategies The concept that try to be described in Fish Resources general based on the existing condition is mainly The compilation of alternative strategies related