A NOVEL ANALYTICAL PROCEDURE FOR SUSTAINABILITY ASSESSMENT FOR MARINE FISHERIES: A CASE STUDY OF RATNAGIRI DISTRICT, MAHARASHTRA STATE, INDIA

Main Article Content

NILIMA PRABHU
GAUTAM ZODAPE
ASHISH SHARMA

Abstract

Sustainability of fish resources is a major concern across the globe. There are varying factors that affect the sustainability of fish resources, the major contributors being anthropogenic activities that affect both climate change and its impact on the ocean biota results in declining fish resources. It is therefore imperative to develop sustainability measures of capture fisheries that reflects the impact of current fishery practices. The need to address this lacuna led to the development of sustainability measures in relation to fishing pressures. Therefore, this study aims to propose a procedure essential to develop a measurement based on relative prominence of fish varieties based on observed landings, as an indicator for sustainable operational practices vis-a-vis fishing pressure. Fish landing data was obtained from the Department of Fisheries, Govt. of Maharashtra, for three decades i.e from 1982-83 to 2011-12, collected from the four fish landing centres viz. Burondi, Dabhol, Mirkarwada and Ratnagiri (Jaitapur/Nate) in Ratnagiri District. Using ‘Pareto’s 80-20 Rule’ the prominent fishes in the landings were categorized into two groups viz. most prominent and trivial. The analysis reveals that nine to eleven fishes in the first decade of study were contributing to 80% of the total landings, however in the third decade it was observed that six to nine fish varieties were contributing to 80% of the landings, clearly indicating the fishing pressures. The findings on landings of non-penaeid prawns showed a declining trend. Non-penaeid prawns being most prominent in the first decade became trivial during the third decade. Similar trends were also seen in case of some other fishes such as, other clupeids, catfish, tunnis and seer fish. In this study Pareto’s Rule was used as a device, an indicator to measure trends in fishing pressure and fish diversity affecting sustainable marine landings in the district. Furthermore, forecast for the developed measurement were obtained for next two decades using the Drift Forecast Method as well as the Regression Analysis. Moreover, the forecast and predicted values were compared with actual marine fish landing data which was observed during 2012-13 to 2018-19. The derived measurements provide insightful observations and helps in understanding the level of sustainability across various landing centers. Furthermore, the derived measurements indicate Mirkarwada landing center to be fully exploited followed by Dabhol, whereas Burondi and Ratnagiri (Jaitapur/Nate) show high future potential in terms of fish catch landings.

Keywords:
Pareto’s 80/20 rule, prominent, fishing pressure, trends, drift forecast, regression analysis

Article Details

How to Cite
PRABHU, N., ZODAPE, G., & SHARMA, A. (2021). A NOVEL ANALYTICAL PROCEDURE FOR SUSTAINABILITY ASSESSMENT FOR MARINE FISHERIES: A CASE STUDY OF RATNAGIRI DISTRICT, MAHARASHTRA STATE, INDIA. UTTAR PRADESH JOURNAL OF ZOOLOGY, 42(24), 532-543. Retrieved from http://mbimph.com/index.php/UPJOZ/article/view/2743
Section
Original Research Article

References

WWF, Living Blue Planet Report: Species Habitats and Human Well-being; 2015.

Mohamed KS, Joseph M, Alloycious PS, Sasikumar G, Laxmilatha P, Asokan PK, et a. Quantitative and Qualita- tive Assessment of Exploitation of Juvenile Cephalopods from the Arabian Sea and Bay of Bengal and Determination of Minimum Legal Sizes. Journal of Marine Biological Association. 2009;51:98–106.

Mohamed K, Vijayakumaran S, Zacharia K, Sathianandan P, Maheswarudu UT, Kripa V, et al. CMFRI Marine Fisheries Policy Series No-4; Indian Marine Fisheries Code: Guidance on a Marine Fisheries Management Model for India. CMFRI Marine Fisheries Policy Series (4). ICAR - Central Marine Fisheries Research Institute, Kochi. 23017;1-102.

Code of Conduct for Responsible Fisheries. Resolution 4/95, FAO Conference; 1995.

Sugumar R, Sundaram S, Jaiswar AK, Lakshmanan R, Chakraborty SK, Kavungal V. An Evaluation of Economic Impact on Juvenile Landings of Cephalopods in Mumbai Waters. Current World Environment. 2015;10:1004–1010.

Pauly D, Christensen V, Guenette S, Pitcher TJ, Sumaila UR, Walters CJ, Watson R, Zeller D. Towards sustainability in world fisheries. Nature. 2002;418:689–695.

Pauly D, Christensen V, Dalsgaard J, Froese R, Torres FC. Fishing Down Marine Food Webs. Science. 1998;279(5352):860–863. DOI:10.1126/science.279.5352.860

Sumaila UR, Lam VWY, Close C, Herrick S. The World Trade Organization and global fisheries sustainability. Fisheries Research. 2007; 88:1–4.

Zeller D, Cheung W, Close C, Pauly D. Trends in Global Marine Fisheries - A Critical View, Fisheries Trade and Development. Royal Swedish Academy of Agriculture and Forestry. 2009;55–77.

Pauly D, Christensen V. Primary production required to sustain global fisheries. Nature. 1995;374:255–257. Available: https://doi.org/10.1038/374255a0

Tudela S, Coll M, Palomera I. Developing an operational reference framework for fisheries management on the basis of a two-dimensional index of ecosystem impact, ICES Journal of Marine Science. 2005;62(3):585–591. Available:https://doi.org/10.1016/j.icesjms.2005.01.008

Libralato S, Coll M, Tudela S, Palomera I, Pranovi F. Novel index for quantification of ecosystem effects of fishing as removal of secondary production. Mar Ecol Prog Ser. 2008;355:107-129. Available:https://doi.org/10.3354/meps07224

Colloca F, Scarcella G, Libralato S. Recent Trends and Impacts of Fisheries Exploitation on Mediterranean Stocks and Ecosystems. Front. Mar. Sci. 2017;4:244. DOI: 10.3389/fmars.2017.00244

Dalvie VV, Sharma AS, Magare VN. Recognition of Prominent Species and Their Z-Transformed Trends at Alibag Landing Center. Recent Trends in Conservation and Management of Ecosystems: proceedings of the National Conference. 2018;978–81.

Hyndman R, Athanasopoulos G. Forecasting: Principles and Practice. OTexts. com/fpp2; 2021.

Montgomery DC, Peck EA, Vining GG. Introduction to Linear Regression Analysis. Wiley & Sons; 2012.

Chicco D, Warrens MJ, Jurman G. The coefficient of determination R-squared is more informative than SMAPE, MAE, MAPE, MSE and RMSE in regression analysis evaluation. PeerJ Computer Science; 2021. CMFRI. Annual Report; 2016.

Singh ND, Pawar N, Kiresur VR, Sivaramane N, Ramasubramanian V, Krishnan M. Surge Pricing and Catch-Income Sustainability Paradox in Marine Fisheries in Maharashtra. Indian Journal of Agricultural Economics. 2020;75:290–304. CMFRI. Annual Report; 2019.

Tingote RS, Mane US. Assessment on the Total Fish Catch Year Wise and Gear Wise Data from Within and Outside PFZ of Ratnagiri Coast. International Journal of Innovative Science and Technology. 2017;2:391–393.

Bhendekar SN, Shenoy L, Raje SG, Chellappan A, Singh R. Participatory GIS in trawl fisheries along Mumbai coast, Maharashtra. Indian Journal of Geo Marine Science. 2016;48(8):937–942.

Kharatmol BR, Shenoy L, Singh VV, Landge AT, Mohite AS. Fishing charac- teristics of trawling off Mumbai coast of Maharashtra, India. Journal of Entomology and Zoology Studies. 2018;6(2):2777–2783.

Sawant S, Mohite AS. Fish trawl (119 m) of Ratnagiri, Maharashtra (India). Asian Journal of Animal Science. 2016;11(2):86–91.

Jasprit S, Singh R, Mohite AS, Bhendekar SN, Shenoy L. Journal of Environmental Bio- sciences. 2017;31:27–31.

Samanta R, Chakraborty SK, Shenoy L, Nagesh TS, Behera S, Bhoumik TS. Bycatch Characterization and Relationship between Trawl Catch and Lunar Cycle in Single Day Shrimp Trawls from Mumbai Coast of India. Regional Studies in Marine Science. 2018;17:47– 58.

Pawar PR. Assessment of Bycatch and Discards in Marine Capture Fisheries from. Uran (Raigad), Navi Mumbai, Maharashtra. The Ecoscan. 2011;5(3&4):105–109.

Dineshbabu AP, Radhakrisnnan EV, Thomas S, Maheswarudu G, Manojkumar PP, Kizhakudan SJ, Pillai SL, Chakraborty RD, et al. An appraisal of Trawl Fisheries of India with Special Reference on the Changing Trends in Bycatch Utilization. Journal of Marine Biological Association India. 2013;52:69–78.

Yadav VK, Jahageerdar S, Adinarayana J. Forecasting quarterly landings of total fish and major pelagic fishes and modelling the impacts of climate change on Bombay duck along India’s north-western Gujarat coast. Indian Journal of Geo Marine Science. 50(07):557-565, ISSN: 2582-6727. Available:http://nopr.niscair.res.in/handle/123456789/57950