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2014
2022

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Ghosh, Shubhadeep

Carbon Footprint of Marine Fisheries: Life Cycle Analysis from Visakhapatnam

Abstract Views :222 | PDF Views:111

Authors

Shubhadeep Ghosh ¹, M. V. Hanumantha Rao ¹, M. Satish Kumar ¹, V. Uma Mahesh ¹, M. Muktha ¹, P. U. Zacharia ²

Affiliations
1 Visakhapatnam Regional Centre of Central Marine Fisheries Research Institute, Visakhapatnam 530 003, IN
2 Central Marine Fisheries Research Institute, Cochin 682 018, IN

Source

Current Science, Vol 107, No 3 (2014), Pagination: 515-521

Abstract

The contribution of marine fisheries in Visakhapatnam at all stages of its life cycle to climate change during 2010-2012 was studied by determining its carbon footprint. Pre-harvest phase consisted of vessel construction and maintenance and provision of fishing gear; harvest phase included harvest from mechanized and motorized craft and post-harvest phase involved fish transportation and fish processing. The functional unit selected was 1 kg of marine fish to the consumer. Fuel and electricity consumption was 0.48 l/kg and 0.255 kWh/kg of fish. The C and CO₂ emitted were 0.382 kg C/kg and 1.404 kg CO₂/kg of fish. The highest consumption of energy and the highest emissions of CO2 were observed from the harvest phase. The fuel and electricity consumption and C and CO₂ emissions were high for mechanized landings and low for motorized landings. Reduction in energy consumption and subsequent emissions is possible in mechanized craft by increasing the fuel efficiency of marine diesel engines, controlling craft speed, using large propeller with lower revolutions and reducing the craft drag.

Keywords

Carbon Footprint, Co₂ Emission, Energy Consumption, Lifecycle Analysis, Marine Fisheries.

Full Text

Success of cage farming of marine finfishes in doubling farmers’ income: a techno-social impact analysis

Abstract Views :144 | PDF Views:70

Authors

J. Charles Jeeva ¹, Shubhadeep Ghosh ¹, S. S. Raju ¹, Sekar Megarajan ¹, V. P. Vipinkumar ², Loveson Edward ¹, R. Narayanakumar ³

Affiliations
1 Regional Centre, ICAR-Central Marine Fisheries Research Institute, Visakhapatnam 530 003, India, IN
2 ICAR-Central Marine Fisheries Research Institute, Kochi 682 018, India, IN
3 Regional Station of ICAR-Central Marine Fisheries Research Institute, Chennai 600 028, India, IN

Source

Current Science, Vol 123, No 8 (2022), Pagination: 1031-1037

Abstract

In Andhra Pradesh, India, the culture of marine finfishes such as Indian pompano and Asian seabass has been demonstrated in cages in Krishna and Godavari backwaters by the Regional Centre, ICAR-Central Marine Fisheries Research Institute (ICAR-CMFRI), Visakhapatnam, involving fishermen and marginal landless aqua farmers. Open sea cage culture of orange-spotted grouper and Indian pompano has also been demonstrated in Visakhapatnam, Srikakulam and East Godavari districts of Andhra Pradesh. From the 14 success stories documented, enhancement in net income in the range 50.32%–257.14% was evident by transforming people from different avocations such as agriculturists, wage earners in agriculture and allied sectors, business professionals, fish traders, traditional fish farmers and artisanal fishers to marine finfish farming. The benefit ratio of cage farming among the adopted farmers was found to be 1.33 and 1.31 for estuarine and marine cages respectively. The impact was realized on livelihood enhancement due to the technological interventions of cage culture under the technological, social and economic dimensions

Full Text

References

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Ritesh, R., Sekar, M., Biji, X., Ghosh, S., Santosh, B. and Gopalakrishnan, A., Broodstock development, induced breeding and larval rearing of Indian pompano, Trachinotus mookalee (Cuvier, 1832) – a new candidate species for aquaculture. Aquaculture, 2018, 495, 550–557.

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Sekar, M., Ritesh, R., Ghosh, S., Biji, X., Shiva, P. and Sadhu, N., Dissemination of cage culture technology among Scheduled Tribes in coastal Andhra Pradesh – a successful model for livelihood improvement. Mar. Fish. Inf. Ser. Techn. Extens. Ser., 2021, 250, 32–35.

Bycatch in Indian trawl fisheries and some suggestions for trawl bycatch mitigation

Abstract Views :117 | PDF Views:60

Authors

A. P. Dineshbabu ¹, Sujitha Thomas ¹, Josileen Jose ¹, P. T. Sarada ¹, Lakshmi Pillai ¹, Rekha Devi Chakraborty ¹, Gyanranjan Dash ¹, Anulekshmi Chellappan ¹, Shubhadeep Ghosh ¹, G. B. Purushottama ¹, Rajan Kumar ¹, M. Rajkumar ¹, Indira Divipala ¹, D. Nakhava Ajay ¹, R. Ratheeshkumar ¹, K. V. Akhilesh ¹, V. Mahesh ¹, Swathipriyanka Sen ¹, Rajesh Pradhan ¹, Shikha Rahangdale ¹, R. Vinothkumar ¹, Shoba Joe Kizhakudan ¹, K. M. Rajesh ¹, R. Narayanakumar ¹, P. S. Swathilekshmi ¹, S. S. Raju ¹, G. Maheswarudu ¹, M. Sivadas ¹

Affiliations
1 Central Marine Fisheries Research Institute, Kochi 682 018, India, IN

Source

Current Science, Vol 123, No 11 (2022), Pagination: 1372-1380

Abstract

Globally, trawl is the major fishing gear used in marine fisheries and in India, it contributes to more than one-third of the marine fish production. Trawl fishing has been critically evaluated from a sustainability perspective, especially analysing its bycatch composition. Most of the bycatch from trawlers contains valuable edible species with high market demand. However, a portion of the bycatch which does not have such demand in the edible fish market, known as low-value bycatch (LVB), continues to be a matter of concern from an ecological and economic perspective. During 2017–19, 30–60% of trawl landing in India was constituted by LVB, which was mainly used for fishmeal preparation. To enhance the value and utility of LVB, this study explores the possibility of converting waste from LVB into edible resources using pufferfish and triggerfish. It also highlights the positive impact of efforts by different Government agencies for bycatch mitigation like the implementation of minimum legal size in reducing the juvenile component in bycatch, with a social survey-based account of fisher’s perceptions and suggestions on successful bycatch mitigation

Keywords

Ecological impacts, fishery economics, low-value bycach, minimum legal size, trawl.

Full Text

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