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Linking seagrass ecosystem services to food security: The example of southwestern Madagascar’s small-scale fisheries

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  • Wallner-Hahn, Sieglind
  • Dahlgren, Malin
  • de la Torre-Castro, Maricela

Abstract

Small-scale fisheries(SSF) are crucialfor food security and poverty alleviation. Many SSF are however under pressure, and in need of better management paying special attention to the key seascape ecosystems which are supporting them. This study investigates the importance of seagrass beds for SSF households and their food security in southwestern Madagascar. The specific aims of this study were to: i) analyze if and how seagrass-associated fish contributes to subsistence and/or the economy of local fishing households, ii) identify and compare seagrass ecosystem goods and services valued by local fishers in a rural and an urban setting, and iii) analyze links between local people and seagrasses in terms of local ecological knowledge, use and traditions. The results showed that seagrasses were the most important fishing habitats for most fishers. Seagrass-associated fish species were both the economically most important and most commonly fished species, and are a major source of protein in the region. Further, seagrass-derived sea urchins are important complements to local people’s diets. Thefindings illustrate that seagrasses contribute both through subsistence and income generation to food security and wellbeing of coastal people in southwestern Madagascar. This highlights the need to consider seagrass ecosystems in management towards sustainable SSFand their ability to sustain food security for future generations.

Suggested Citation

  • Wallner-Hahn, Sieglind & Dahlgren, Malin & de la Torre-Castro, Maricela, 2022. "Linking seagrass ecosystem services to food security: The example of southwestern Madagascar’s small-scale fisheries," Ecosystem Services, Elsevier, vol. 53(C).
    • Handle: RePEc:eee:ecoser:v:53:y:2022:i:c:s221204162100139x
    DOI: 10.1016/j.ecoser.2021.101381
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