Tsitongambarika

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Tsitongambarika
Réserve de Ressources Naturelles de la Forêt Naturelle de Tsitongambarika
IUCN category VI (protected area with sustainable use of natural resources)
0G4A6459 Anosy Tsitongambarika Field Station.jpg
Madagascar location map.svg
Red pog.svg
Location Madagascar
Nearest city Fort-Dauphin
Coordinates 24°42′S47°00′E / 24.700°S 47.000°E / -24.700; 47.000
Area58,597 ha (585.97 km2) *
DesignationNatural Resources Reserve

Tsitongambarika is a protected area of lowland forest in the south east of Madagascar, to the north of Fort-Dauphin. The area supports many rare species of amphibians, birds, lemurs and reptiles, many of which are endemic. In 2001, the site was designated as an Important Bird Area by BirdLife International and in 2015, an area of 58 957 ha received protection by the government under Decree No. 2015-720 of 21 April 2015.

Contents

Geography

The forest is in the south of the island of Madagascar, within the Tsitongambarika massif, which consists of a series of ridges aligned from south-west to north-east. On the western boundary the Manampanihy river flows northwards. The nearest town is Tôlanaro, 9 km to the south. [1] Tsitongambarika is the only area in the south of the country that still has significant areas of lowland forest but, due to illegal logging and shifting cultivation, deforestation rates are amongst the highest in the country. The forest forms the water catchment of rivers and steams that are of importance for the cultivation of rice on the coastal plain. [2]

Management and protection

The area was assessed by BirdLife International to be an Important Bird Area in 2001 and since 2005, Asity Madagascar have been working with local communities to manage the area. An area of 58,957 ha (228 sq mi) received government protection in 2015. [3] Despite legal protection Birdlife International considers the forest to be an 'IBA in Danger'. [1]

Biodiversity

The area supports a large number of endemic, rare, and threatened species, and of the amphibians and reptiles found at the site are likely to be new to science. Botanical collecting in the 2000s found at least seventy new species. [3] [2] The reserve supports areas of intact low- and mid-elevation, dense, humid evergreen forest, and sclerophyllous montane forest. At low elevations the canopy is at 15 m to 25 m and dominated by Dracaena, Ilex, Oncostemum , Sorindeia , Syzygium and Tambourissa . At mid-elevations the canopy is 12 m to 20 m high with trees of Macaranga and Oncostemon, as well as species of Guttiferae, Monimiaceae, Moraceae, and Myrtaceae. [4]

The forest on Mount Ivohibe (677 m) (more than one on the island with the same name) is an isolated peak with a relatively undisturbed forest. An expedition, organised by the Royal Botanic Gardens, Kew in 2010 recorded twenty species of palms making it one of the richest sites for palms in the southern part of the island. Sixteen species are either rare or threatened species according to the IUCN Red List. Expedition members considered the forest on Ivohibe to be a 'site of major palm significance'. [2]

The brown mesite (Mesitornis unicolor) is a ground-dwelling bird of undisturbed primary, evergreen, humid forest and its population is thought to be declining rapidly. It is listed as vulnerable due its habitat along the eastern seaboard of Madagascar being fragmented. [5] [6] Other key species include Madagascar blue-pigeon (Alectroenas madagascariensis), Madagascar wood-rail (Mentocrex kioloides), nelicourvi weaver (Ploceus nelicourvi), nuthatch vanga (Hypositta corallirostris), red-fronted coua (Coua reynaudii), scaly ground-roller (Geobiastes squamiger), spectacled tetraka (Bernieria zosterop) and white-throated oxylabes (Oxylabes madagascariensis). [1]

See also

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References

  1. 1 2 3 "MG072 Tsitongambarika NPA". BirdLife International. Retrieved 1 October 2016.
  2. 1 2 3 Dransfield, John; Rakotoarinivo, Mijoro (2012). "The Palms of Tsitongambarika, Southeast Madagascar". Palms. 56 (4): 161–179.
  3. 1 2 Drewitt, Liz (August 2016). "Saving Africa's Birds". BBC Wildlife. Vol. 34, no. 9. pp. 58–9.
  4. "The new protected areas (NAP)". Madagascar Biodiversity Fund. 2009. Retrieved 3 June 2015.[ permanent dead link ]
  5. "Brown Mesite Mesitornis unicolor". BirdLife International. Retrieved 1 October 2016.
  6. BirdLife International (2018). "Mesitornis unicolor". IUCN Red List of Threatened Species . 2018: e.T22692966A129881558. doi: 10.2305/IUCN.UK.2018-2.RLTS.T22692966A129881558.en . Retrieved 11 November 2021.