Systems Ecology&Ecological Modelling Laboratory Department of Zoology Visva-Bharati University Santiniketan 731235 India;
Department of Geography Memari College Memari Burdwan 713146 India;
Department of Mathematics Jadavpur University Kolkata 700032 India;
Systems Ecology&Ecological Modelling Laboratory Department of Zoology Visva-Bharati University Santiniketan 731235 India;
Systems Ecology&Ecological Modelling Laboratory Department of Zoology Visva-Bharati University Santiniketan 731235 India;
Shrimp culture; Altered ecosystem services; Paddy farming; Spatial influence; Net Present Value; Externality;