Macurije-Santa María

Macurije-Santa María is a coastal wildlife refuge on the southern coast of Camagüey province, eastern-central Cuba, situated near the town of Santa Cruz del Sur. ^[1] Oriented north to south along the southern coastal strip, it covers about 8,308 hectares (approximately 83.1 km²) of mangrove forest, coastal lagoons and sandy accumulations fronting the Caribbean shelf. ^[1] Established as a protected area in 1997 and managed within Cuba's Sistema Nacional de Áreas Protegidas (CNAP/CITMA), the refuge protects a predominantly humid coastal landscape in which mangrove is the most widespread vegetation. It forms part of the chain of southern Camagüey wetlands that provide vital habitat for waterbirds, marine fauna and the American crocodile, and is valued for the conservation of its coastal ecosystems and dune vegetation.

The mangroves, lagoons and coastal flats of Macurije-Santa María support a varied fauna characteristic of southern Cuba's coastal wetlands. Waterbirds are prominent, with herons, egrets, ibises and migratory shorebirds feeding in the tidal channels and lagoons, while the mangrove and coastal forest patches shelter resident and migratory landbirds. The brackish and marine waters sustain fish, crabs and molluscs that anchor the local food web and support coastal fisheries. As a southern coastal mangrove site, the refuge is habitat for the American crocodile (Crocodylus acutus); the Cuban crocodile (Crocodylus rhombifer) does not occur here, being confined to the Zapata Swamp and the reintroduced population in the Ciénaga de Lanier on Isla de la Juventud. ^[1]

Vegetation at Macurije-Santa María is dominated by mangrove, which forms the most extensive plant community across the refuge and lines the coastal channels and lagoons. All four Cuban mangrove species are represented, from red mangrove (Rhizophora mangle) at the water's edge through black mangrove (Avicennia germinans), white mangrove (Laguncularia racemosa) and buttonwood (Conocarpus erectus) on firmer ground. Botanical surveys have recorded 74 vascular plant species across 31 families, with Leguminosae being the most species-rich family, and documented 10 endemic plant species, six of which are trees or shrubs; one species, Coccothrinax litoralis, is endemic to central-eastern Cuba. ^[1] Interspersed within the mangrove matrix are patches of vegetation on coastal sandy accumulations, including atypical semideciduous forest on stabilised dunes — a formation not previously recorded from the site.

Macurije-Santa María lies along the low southern coast of Camagüey, where mangrove flats, lagoons and sandy ridges have built up on the gently shelving Caribbean platform. The terrain is one of recent coastal deposition: fine muds accumulate in the sheltered mangrove zones, while wave and current action has formed sandy accumulations and dune ridges that support distinctive dry-forest vegetation. The underlying rocks belong to the carbonate platform typical of southern Cuba, and the shallow marine waters offshore form part of the broad insular shelf. This interplay of muddy mangrove substrate and elevated sandy formations creates the contrasting humid and dry habitats that characterise the refuge.

The refuge experiences a tropical climate with a wet season from roughly May to October, which brings the bulk of annual rainfall and coincides with the hurricane season, and a drier, slightly cooler season from November to April. Temperatures remain warm year-round, typically in the high 20s to low 30s Celsius, with high humidity in the mangrove zones. Its southern, Caribbean-facing position exposes it to occasional tropical storms and storm surge, which can reshape the dune and mangrove margins, while seasonal rainfall governs salinity in the lagoons and channels. These climatic rhythms drive the productivity of the wetlands and influence the breeding and movement of the refuge's birds and other wildlife.

The southern coast of Camagüey near Santa Cruz del Sur has a long history of fishing and coastal settlement, and the town itself is remembered for the catastrophic 1932 hurricane that devastated the area, a reminder of the exposure of this low shoreline to tropical storms. The mangroves and lagoons of Macurije-Santa María have traditionally been used for fishing and the gathering of coastal resources by nearby communities. Recognition of the area's ecological value led to its formal protection in the late twentieth century, reflecting Cuba's wider effort to conserve its southern coastal wetlands while maintaining the livelihoods of the people who depend on them.

Macurije-Santa María was established as a protected area in 1997 and is managed as a fauna refuge within Cuba's Sistema Nacional de Áreas Protegidas under CNAP/CITMA. Its designation was motivated by the importance of its extensive mangroves and coastal habitats for waterbirds, marine life and the American crocodile, and by the scientific interest of its dune and semideciduous-forest vegetation. Research expeditions conducted under the SOS Pesca project and in partnership with CNAP have documented the refuge's flora and coastal landscape, including the discovery of atypical semideciduous forest on consolidated dunes not previously recorded for the site. ^[1]

The attractions of Macurije-Santa María are rooted in its coastal nature: extensive mangrove forests, tranquil lagoons and channels, and the contrasting dune formations with their semideciduous woodland. Birdwatching is a principal activity, with abundant waterbirds and migratory species using the wetlands, and the channels offer opportunities for boat-based observation of mangrove ecosystems and coastal wildlife. Because the refuge is a conservation area rather than a developed tourist park, experiences are typically guided and low-impact, focused on natural history, the mangrove environment and the southern Camagüey shoreline rather than on formal trail networks or built facilities.

Macurije-Santa María is reached via Santa Cruz del Sur, the main town on this part of the southern Camagüey coast roughly 40 kilometres away, from which access into the mangroves and lagoons is generally arranged by boat. As a conservation-oriented fauna refuge under CNAP/CITMA, it has limited visitor infrastructure, and trips are coordinated through local management, often as part of nascent nature-tourism activities. Visitors should prepare for a hot, humid coastal setting with strong sun and insects, and for the logistical realities of a remote wetland. Low-impact, guided visits centred on birdwatching and mangrove ecology are the typical way to experience the refuge.

Conservation at Macurije-Santa María focuses on protecting its mangrove forests, lagoons and dune vegetation as habitat for waterbirds, marine fauna and the American crocodile along the southern coast of Camagüey. Managed under CNAP/CITMA, the refuge emphasises maintaining the integrity of its mangrove and coastal ecosystems, regulating fishing and resource use, and monitoring its flora and wildlife. Threats include coastal development, over-harvesting, and the impacts of hurricanes and shifting salinity on the fragile shoreline. The refuge's relatively low presence of invasive species and functioning natural dynamics are noted as positive indicators for conservation. ^[1] By combining habitat protection with sustainable use by communities around Santa Cruz del Sur, the refuge aims to preserve a representative slice of southern Camagüey's coastal wetlands for the long term.