A digitised version of ICSF library, with more than 2000 original documents and 12,000+ curated links, collected over the last 33 years The International Collective in Support of Fishworkers (ICSF) is an international non-governmental organization that works towards the establishment of equitable, gender-just,self-reliant and sustainable fisheries, particularly in the small-scale, artisanal sector.
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Quantification of anthropogenic debris from small-scale fisheries and community-based aquaculture in marine and coastal ecosystems of Southwestern Madagascar

Raharinaivo, Lovasoa Rina and Todinanahary, Gildas Boleslas Georges and Delroisse, Jerome and Raquez, Jean-Marie and Bittencourt, Carla and Maherizo, Tiandrainy Gedice Fernand and Lavitra, Thierry and Eeckhaut, Igor (2025) Quantification of anthropogenic debris from small-scale fisheries and community-based aquaculture in marine and coastal ecosystems of Southwestern Madagascar. Marine Pollution Bulletin, 213.

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Official URL: https://www.sciencedirect.com/science/article/abs/...

Abstract

Most coastal populations in Southwestern Madagascar live on the resources provided by small-scale fishery (SSF), and over the past twenty years, sea cucumber and seaweed farming has grown significantly. This study analyzes the importance of these fisheries and community-based aquaculture (CBA) activities in the contribution of anthropogenic marine debris (AMD) to coastal ecosystems in Southwestern Madagascar. Sampling was conducted in the rainy and dry seasons in three sites with contrasted fishing and farming activities. We have investigated two important coastal ecosystems in these sites, the mangroves and the beaches. At all, about 16,000 AMD items, were collected predominantly plastics. A lower amount of AMD was observed in the rainy season compared to the dry season. The contribution of SSF and CBA activities to the AMD pollution is very important representing 40 % of all AMD in the initial survey. On beaches, 4003 items were found with an average density of 0.17 items m−2. In mangroves, 1039 items were found with an average density of 0.04 items m−2. The most polluted site by SSF and CBA items is Toliara with 3218 debris, Toliara being the one with the highest number of fishermen. The pollution brought by fishing is much more important than that brought by farming. The pollution concerns much more the beaches, where the fishermen start their activities.

Item Type: Articles
Keywords: Small-scale Fisheries, Marine Ecosystems, Coastal Ecosystems, Southwestern Madagascar, Community Based Aquaculture (CBA), Anthropogenic Marine Debris (AMD)
Subjects: Biodiversity
Depositing User: Kokila ICSF Krish
Date Deposited: 23 Jun 2025 09:14
Last Modified: 23 Jun 2025 09:14
URI: http://icsfarchives.net/id/eprint/22188

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