Abstract summary 

The Health Impacts of Artificial Reef Advancement (HIARA; in the Malagasy language, "together") study cohort was set up in December 2022 to assess the economic and nutritional importance of seafood for the coastal Malagasy population living along the Bay of Ranobe in southwestern Madagascar. Over the course of the research, which will continue until at least 2026, the primary question we seek to answer is whether the creation of artificial coral reefs can rehabilitate fish biomass, increase fish catch, and positively influence fisher livelihoods, community nutrition, and mental health. Through prospective, longitudinal monitoring of the ecological and social systems of Bay of Ranobe, we aim to understand the influence of seasonal and long-term shifts in marine ecological resources and their benefits to human livelihoods and health. Fourteen communities (12 coastal and two inland) were enrolled into the study including 450 households across both the coastal ( = 360 households) and inland ( = 90 households) ecosystems. In the ecological component, we quantify the extent and health of coral reef ecosystems and collect data on the diversity and abundance of fisheries resources. In the social component, we collect data on the diets, resource acquisition strategies, fisheries and agricultural practices, and other social, demographic and economic indicators, repeated every 3 months. At these visits, clinical measures are collected including anthropometric measures, blood pressure, and mental health diagnostic screening. By analyzing changes in fish catch and consumption arising from varying distances to artificial reef construction and associated impacts on fish biomass, our cohort study could provide valuable insights into the public health impacts of artificial coral reef construction on local populations. Specifically, we aim to assess the impact of changes in fish catch (caused by artificial reefs) on various health outcomes, such as stunting, underweight, wasting, nutrient intake, hypertension, anxiety, and depression.

Authors & Co-authors:  Golden Christopher D CD Hartmann Aaron C AC Gibbons Emma E Todinanahary Gildas G Troell Max F MF Ampalaza Gaelle G Behivoke Faustinato F David Jean Marie JM Durand Jean-Dominique JD Falinirina Aroniaina M AM Frånberg Christopher C Declèrque Frédéric F Hook Kimberly K Kelahan Heather H Kirby Megumi M Koenen Karestan K Lamy Thomas T Lavitra Thierry T Moridy Franciana F Léopold Marc M Little Mark J MJ Mahefa Jean C JC Mbony Jovial J Nicholas Khristopher K Nomenisoa Aina Le Don ALD Ponton Dominique D Rabarijaona Roddy R RR Rabearison Mihary M Rabemanantsoa Sarah A SA Ralijaona Mbolahasina M Ranaivomanana Harinirina S HS Randriamady Hervet J HJ Randrianandrasana José J Randriatsara Hanitra O HO Randriatsara Roddy M RM Rasoanirina Madeleine M Ratsizafy Michel R MR Razafiely Kinasa F KF Razafindrasoa Nivohanitra N Romario Solofoarimanana Marc Y MY Stroud Rocky E RE Tsiresimiary Mandimbilaza M Volanandiana Anissa J AJ Volasoa Nadège V NV Vowell Brooke B Zamborain-Mason Jessica J

Study Outcome 

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