Shrimp farming and mangroves: entities in conflict?

This study quantifies the possible effects on mangrove forests from activities associated with shrimp farms operating in a shrimp farming development pole in northwestern Mexico. Remote sensing and Geographic Information Systems (GIS) were used, specifically ERDAS Imagine 10 and ArcGIS. Satellite im...

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Bibliographic Details
Published in:Latin american journal of aquatic research 2023-11, Vol.51 (5), p.642-657
Main Authors: Hubbard-Zamudio, Walter, Rodriguez-Quiroz, Gerardo, Gutiérrez-Yurrita, Pedro Joaquín
Format: Article
Language:English
Subjects:
Aquaculture
Classification
Deforestation
Farms
Forests
Geographic information systems
Geographical information systems
Image classification
Information systems
Infrastructure
Landsat satellites
Mangrove swamps
Mangroves
Normalized difference vegetative index
Pixels
Plant communities
Plant populations
Remote sensing
Satellite imagery
Shellfish farming
Shrimp culture
Shrimps
Software
Statistical analysis
Statistical methods
Vegetation
Wetlands
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Summary:This study quantifies the possible effects on mangrove forests from activities associated with shrimp farms operating in a shrimp farming development pole in northwestern Mexico. Remote sensing and Geographic Information Systems (GIS) were used, specifically ERDAS Imagine 10 and ArcGIS. Satellite image classification consisted of a statistical method by which, through a sampling of pixels, the rest of the pixels of the image were grouped into categories or classes. Two classification methods were used: supervised and unsupervised. The Normalized Difference Vegetation Index (NDVI) was computed using remote sensing data to monitor patterns of vegetation change. Results indicated a 1.8% increase in mangrove area and a 5.8% increase in mean NDVI values for the years considered (2013-2020). The results of this study are the first to show evidence that shrimp farming is not responsible for mangrove deforestation and that, by considering the original area of this plant community, its development, and health are not necessarily compromised by the presence of shrimp farms.
ISSN:0718-560X
DOI:10.3856/vol51-issue5-fülltext-3057