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Monitoring of Harmful Algal Bloom (HAB) of Noctiluca scintillans (Macartney) along the Gulf of Mannar, India using in-situ and satellite observations and its impact on wild and maricultured finfishes

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Relation http://eprints.cmfri.org.in/16674/
https://www.sciencedirect.com/science/article/pii/S0025326X23000425?dgcid=author
https://doi.org/10.1016/j.marpolbul.2023.114611
 
Title Monitoring of Harmful Algal Bloom (HAB) of Noctiluca scintillans (Macartney) along the Gulf of Mannar, India using in-situ and satellite observations and its impact on wild and maricultured finfishes
 
Creator Ramesh Kumar, P
Thirumalaiselvan, S
Raman, Mini
Remya, L
Jayakumar, R
Sakthivel, M
Tamilmani, G
Sankar, M
Anikuttan, K K
Menon, Nandini
Saravanan, Raju
Ravikumar, T T
Iyapparajanarasimapallavan, G
Krishnaveni, N
Muniasamy, V
Batcha, S M Sikkander
Gopalakrishnan, A
 
Subject Cage culture
Cobia
Finfish
Mariculture
Algal Blooms
Zooplanktons
 
Description In the Gulf of Mannar, Noctiluca scintillans blooms have been observed three times in September 2019, September and October 2020, and October 2021. It was determined and measured how the bloom period affects ichthyo-diversity. Noctiluca cell density varied slightly from year to year, ranging from1.8433 × 103 cells/L to 1.3824 x 106cells/L. In surface and sea bottom waters, high ammonia levels and low dissolved oxygen levels were noted. During the bloom period a significant increase in chlorophyll concentration was found. The amount of chlorophyll in GOM was extremely high, according to remote sensing photos made using MODIS-Aqua 4 km data. Acute hypoxia caused the death of wild fish near coral reefs and also in fish reared in sea cages. The decay of the bloom resulted in significant ammonia production, a dramatic drop in the amount of dissolved oxygen in the water, and ultimately stress, shock, and mass mortality of fishes.
 
Publisher Elsevier
 
Date 2023
 
Type Article
PeerReviewed
 
Format text
 
Language en
 
Identifier http://eprints.cmfri.org.in/16674/1/Marine%20Pollution%20Bulletin_2023_Rameshkumar%20P.pdf
Ramesh Kumar, P and Thirumalaiselvan, S and Raman, Mini and Remya, L and Jayakumar, R and Sakthivel, M and Tamilmani, G and Sankar, M and Anikuttan, K K and Menon, Nandini and Saravanan, Raju and Ravikumar, T T and Iyapparajanarasimapallavan, G and Krishnaveni, N and Muniasamy, V and Batcha, S M Sikkander and Gopalakrishnan, A (2023) Monitoring of Harmful Algal Bloom (HAB) of Noctiluca scintillans (Macartney) along the Gulf of Mannar, India using in-situ and satellite observations and its impact on wild and maricultured finfishes. Marine Pollution Bulletin, 188. pp. 1-21. ISSN 1879-3363