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Modeling impacts of invasive sharp tooth African catfish Clarias gariepinus (Burchell 1822) and Mozambique tilapia Oreochromis mossambicus (Peters, 1852) on the ecosystem of a tropical reservoir ecosystem in India

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Title Modeling impacts of invasive sharp tooth African catfish Clarias gariepinus (Burchell 1822) and Mozambique tilapia Oreochromis mossambicus (Peters, 1852) on the ecosystem of a tropical reservoir ecosystem in India
Not Available
 
Creator Mohamed Feroz Khan, Preetha Panikkar, Sibina Mol Salim, Ramya Vijayakumar Leela, Uttam Kumar Sarkar, Basanta Kumar Das & Vijayakumar Muttenahalli Eregowda
 
Subject Invasive species Ecopath Ecosystem modeling Prey-predator relationship Trophic modeling
 
Description Not Available
Invasive species exert a strong impact on the trophic structure and functioning of the ecosystem they occupy. A modeling software globally used to assess these impacts is Ecopath with Ecosim. This study measures the effects of two invasive species, African catfish Clarias gariepinus, in the food web of the Karapuzha reservoir ecosystem in India. The findings show that the two invasive species directly and indirectly influence several ecosystem elements. The high level of niche overlap (92%) and strong competition for similar resources was exhibited by C. gariepinus. The adverse effects of African catfish on all fish and crustaceans in the reservoir were revealed by mixed trophic impact. Oreochromis mossambicus impacts were both positive and negative. It had a beneficial impact on its predator aquatic birds and was negative towards minnows. This study will help fishery managers to make informed decisions for ecosystem-based fishery management of fish resources.
ICAR
 
Date 2021-08-03T08:45:14Z
2021-08-03T08:45:14Z
2021-06-06
 
Type Research Paper
 
Identifier Khan, M.F., Panikkar, P., Salim, S.M. et al. Modeling impacts of invasive sharp tooth African catfish Clarias gariepinus (Burchell 1822) and Mozambique tilapia Oreochromis mossambicus (Peters, 1852) on the ecosystem of a tropical reservoir ecosystem in India. Environ Sci Pollut Res (2021). https://doi.org/10.1007/s11356-021-14667-y
0944-1344
http://krishi.icar.gov.in/jspui/handle/123456789/52609
 
Language English
 
Relation Not Available;
 
Publisher Springer