Rivière des Remparts – Rivière Langevin Important Bird Area (IBA) is a 7000 ha tract of land on the island of

Réunion Réunion (; ; ; known as before 1848) is an island in the Indian Ocean that is an overseas departments and regions of France, overseas department and region of France. Part of the Mascarene Islands, it is located approximately east of the isl ...

, a

French territory Overseas France (, also ) consists of 13 French territories outside Europe, mostly the remnants of the French colonial empire that remained a part of the French state under various statuses after decolonisation. Most are part of the European ...

in the western

Indian Ocean The Indian Ocean is the third-largest of the world's five oceanic divisions, covering or approximately 20% of the water area of Earth#Surface, Earth's surface. It is bounded by Asia to the north, Africa to the west and Australia (continent), ...

Description

The IBA lies at the southern end of the island in the commune of

Saint Joseph According to the canonical Gospels, Joseph (; ) was a 1st-century Jewish man of Nazareth who was married to Mary, the mother of Jesus, and was the legal father of Jesus. Joseph is venerated as Saint Joseph in the Catholic Church, Eastern O ...

, extending over a wide altitude range of 100–2320 m above sea level. It comprises the river gorges of the

Rivière des Remparts The Rivière des Remparts is a river on the Indian Ocean island of Réunion. It is long. It flows south from the slopes of the Piton des Songes, in a deep caldera along the Piton de la Fournaise, reaching the sea at the town of Saint-Joseph. I ...

and the Rivière Langevin which extend southwards from the western side of the

volcanic A volcano is commonly defined as a vent or fissure in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. On Earth, volcanoes are most often fo ...

Piton de la Fournaise Piton de la Fournaise (; ) is a shield volcano on the eastern side of Réunion island, a French overseas department and region, in the Indian Ocean. It is currently one of the most active volcanoes in the world, along with Kīlauea in the Haw ...

massif A massif () is a principal mountain mass, such as a compact portion of a mountain range, containing one or more summits (e.g. France's Massif Central). In mountaineering literature, ''massif'' is frequently used to denote the main mass of an ...

to the sea at the town of Saint-Joseph. The gorges are separated by a narrow strip of cultivated plateau and a narrow uncultivated ridge. The site contains native

plant communities A plant community is a collection or Association (ecology), association of plant species within a designated geographical unit, which forms a relatively uniform patch, distinguishable from neighboring patches of different vegetation types. The comp ...

, including

evergreen In botany, an evergreen is a plant which has Leaf, foliage that remains green and functional throughout the year. This contrasts with deciduous plants, which lose their foliage completely during the winter or dry season. Consisting of many diffe ...

lowland forest,

mountain forest A mountain is an elevated portion of the Earth's crust, generally with steep sides that show significant exposed bedrock. Although definitions vary, a mountain may differ from a plateau in having a limited summit area, and is usually higher t ...

, alpine

shrubland Shrubland, scrubland, scrub, brush, or bush is a plant community characterized by vegetation dominance (ecology), dominated by shrubs, often also including grasses, herbaceous plant, herbs, and geophytes. Shrubland may either occur naturally o ...

, and rocky cliffs.

Birds

The site has been identified by

BirdLife International BirdLife International is a global partnership of non-governmental organizations that strives to conserve birds and their habitats. BirdLife International's priorities include preventing extinction of bird species, identifying and safeguarding i ...

as an

Important Bird Area An Important Bird and Biodiversity Area (IBA) is an area identified using an internationally agreed set of criteria as being globally important for the conservation of bird populations. IBA was developed and sites are identified by BirdLife Int ...

because it supports a

colony A colony is a territory subject to a form of foreign rule, which rules the territory and its indigenous peoples separated from the foreign rulers, the colonizer, and their ''metropole'' (or "mother country"). This separated rule was often orga ...

tropical shearwater The tropical shearwater (''Puffinus bailloni'') is a seabird in the family Procellariidae formerly considered conspecific with Audubon's shearwater (''Puffinus lherminieri''). Subspecies There are five listed subspecies of the tropical shearwa ...

s (with 300 breeding pairs), as well as populations of

Réunion harrier The Réunion harrier (''Circus maillardi''), also known as Réunion marsh harrier, is a species of bird of prey belonging to the marsh harrier group of harrier (bird), harriers. It is now found only on the Indian Ocean island of Réunion, althoug ...

Mascarene swiftlet The Mascarene swiftlet or Mauritius swiftlet (''Aerodramus francicus'') is a species of swift in the family Apodidae. It is found in Mauritius and Réunion, and the populations on the two islands have recently been confirmed to differ subspecifica ...

Mascarene paradise flycatcher The Mascarene paradise flycatcher (''Terpsiphone bourbonnensis'') is a species of bird in the monarch-flycatcher family Monarchidae. It is endemic to the Mascarene islands of Mauritius and Réunion. There are two subspecies recognized: the nomin ...

Réunion bulbul The Réunion bulbul (''Hypsipetes borbonicus'') is a species of the bulbul family of passerine birds. It is endemic to Réunion. Taxonomy and systematics The Réunion bulbul was originally described in the genus ''Turdus''. Formerly, some author ...

s, Mascarene white-eyes,

Réunion olive white-eye The Réunion olive white-eye (''Zosterops olivaceus'') is a species of bird in the family Zosteropidae. It is found on Réunion. Its natural habitats are boreal forests and subtropical or tropical high-altitude grassland. Description like the ...

s, and

Réunion stonechat The Réunion stonechat (''Saxicola tectes'') is a species of stonechat, endemic to the French Indian Ocean island of Réunion. It is found across the island in forests, shrublands and artificial environments such as gardens and plantations. This ...

References

Important Bird Areas of Réunion Seabird colonies {{Réunion-geo-stub