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Overview
This brief outlines the mangrove ecosystems and coastal wetlands of the Pamplemousses District, focusing on the north-western ecological corridor of Mauritius. Ground-truthed data and environmental surveys emphasize this region's role as a critical transition zone between urban/industrial areas and pristine marine environments.
The Pamplemousses district, situated in the north-west, serves as a vital ecological buffer for the island. Its coastline features a mix of rocky shores, sandy beaches, and essential estuarine systems where rivers like the Rivulet Terre Rouge and Riviere Citron meet the sea. Unlike the vast forests of the east, Pamplemousses mangroves often exist in compact, highly significant clusters that filter urban runoff and provide sanctuaries for both resident and migratory fauna.
Species Profile: Dominated by the resilient Rhizophora mucronata, which forms dense barriers with complex prop roots.
Ecological Significance: These sites are indispensable for trapping sediments and pollutants, protecting the coral reefs of the northern lagoons from terrestrial siltation.
Protection & Ramsar Status: The district hosts the island's first Ramsar site, highlighting its international importance for biodiversity and wetland conservation.
Statistics - Pamplemousses
Statistics - Pamplemousses
Le Goulet- ~28709.5 m²
Balaclava -Terre Rouge ~44.5 m²
Pointe aux Piments ~361 m²
District of Pamplemousses_Total ~29115 m² (or ~2.91 ha)
Dominance: Rhizophora mucronata
P-Rivulet Terre Rouge Bird Sanctuary
P-Rivulet Terre Rouge Bird Sanctuary
The Rivulet Terre Rouge Estuary Bird Sanctuary is a globally recognized Ramsar wetland situated just north of the capital's industrial zone.
Coverage & Abundance: Spans approximately 26 hectares of intertidal mudflats and mangrove fringes. It supports a high abundance of biodiversity, particularly migratory birds.
Avian Habitat: Hosts over 1,200 migratory birds annually from the Arctic and Siberia, including species like the Whimbrel and Grey Plover.
Conservation Value: Acting as a "green lung" near Port Louis, it filters industrial pollutants and serves as an educational hub with a dedicated visitor center and boardwalks.
P-Le Goulet
P-Le Goulet
Located at the mouth of the Riviere Citron, Le Goulet Beach features estuarine mangrove patches that thrive in the brackish water environment.
Coverage: Features fringing mangrove strips that line the riverbanks as they transition into the sea.
Functionality: These mangroves are essential for stabilizing the river mouth and providing a sheltered nursery for juvenile marine life.
Relevant Info: The area is a popular spot for observing the interaction between freshwater and marine ecosystems, often documented in local ground-truthing surveys.
P-Balaclava Terre Rouge
P-Balaclava Terre Rouge
The Balaclava region, particularly around Turtle Bay, is characterized by its sheltered lagoons and resort-integrated conservation areas.
Coverage: Includes fragmented but healthy mangrove clusters near the estuaries of the Riviere Citron and Riviere du Tombeau.
Abundance: Features mature Rhizophora stands that have been preserved through careful coastal management.
Coastal Protection: These mangroves provide a natural barrier for the high-end resorts in the area, dampening wave action and maintaining the clarity of the snorkeling zones.
P-Pointe-aux-Piments
P-Pointe-aux-Piments
The mangroves at Pointe aux Piments consist of smaller, remnant patches interspersed with rocky coastal features.
Coverage: Primarily exists as narrow, linear belts along the shoreline.
Ecological Role: Despite their smaller size, these patches are critical for local biodiversity, offering substrates for oysters and habitat for small crustaceans.
Relevant Info: This site is often highlighted in environmental reports as a key area for potential restoration to link fragmented coastal habitats.
Grand-Bay - Le Goulet
Grand-Bay - Le Goulet
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