Table 1 Vulnerability ranking to Sargassum arrivals.
From: Socio-ecological vulnerability assessment to Sargassum arrivals
Sub-index | Ranking variable | Risk factor from literature listed | Census data variables used as risk factor proxies | 1 | 2 | 3 | 4 | 5 | Data source |
|---|---|---|---|---|---|---|---|---|---|
Coastal ecosystem | Rmangrove | Death of mangrove | Fraction of mangrove along the coastline [%] | 0–6 | 6–20 | 20–37 | 37–60 | > 60 | Athanasiou et al. (2023) |
Rreef | Death of the reef | Fraction of surface of reef in the coastal strip [%] | 0-0.8 | 0.8–2.8 | 2.8–5.1 | 5.1–7.9 | > 7.9 | UNEP-WCMC | |
Rseagrass | Death of sea grass | Fraction of surface of Seagrass in the coastal strip [%] | 0–10 | 10–32% | 32–57 | 57–82 | > 82 | UNEP-WCMC | |
Forcing | Rstranding | Sargassum stranding annual biomass [ktons] | 0.0, 1.8 | 1.8–6.4 | 6.4–13.6 | 13.6–22.4 | > 22.4 | This study | |
Socio economic | Rpop | Health | Coastal population in the first 500 m landward [103 habitants] | 0–13 | 13–45 | 45–93 | 93–157 | > 157 | Athanasiou et al. (2023) |
Rtourism | Cleanup coast – Local business | Annual visitors in the region [106 visitors] | 0-0.3 | 0.3–1.2 | 1.2–2.4 | 2.4–3.8 | > 3.8 | Adamiak and Szyda (2022). |
