Southern New Guinea lowland rain forests

The Southeastern Papuan rain forests is a tropical moist forest ecoregion in southeastern New Guinea. The ecoregion covers portions of New Guinea's southern lowlands.

Southern New Guinea lowland rain forests
Ecology
RealmAustralasian realm
Biometropical and subtropical moist broadleaf forests
Borders
Geography
Area122,335 km2 (47,234 sq mi)
CountriesIndonesia and Papua New Guinea
ProvincesPapua (Indonesia), Gulf, Southern Highlands, and Western (Papua New Guinea)
Conservation
Conservation statusCritical/endangered
Protected5,841 km² (5%)[1]

Geography

The ecoregion includes the foothills and lowlands south of New Guinea's Central Range. Above 1000 meters elevation, the lowland forests transition to the Central Range montane rain forests. The Southern New Guinea freshwater swamp forests ecoregion covers extensive areas of the Fly River lowlands to the south, and the lower reaches of some other rivers that drain from the highlands to the sea. The Trans-Fly savanna and grasslands cover the southern tip of New Guinea.[2]

Climate

The ecoregion has a humid tropical climate. The slopes of the Central Range above 100 meters elevation include some of the rainiest portions of New Guinea.[3]

Flora

Broadleaf evergreen rain forests cover most of the ecoregion. Alluvial forests lie in the plains, and hill forests cover the foothills of the Central Range. There are smaller areas of semi-evergreen forest, swamp forest, and savanna.[4]

Fauna

The ecoregion has 69 species of mammals, principally marsupials, bats, and murid rodents. There are no strict endemic species. There are 344 species of birds in the ecoregion.[5]

The largest bird in the ecoregion is the flightless southern cassowary (Casuarius casuarius).[6]

Protected areas

A 2017 assessment found that 5,841 km², or 5%, of the ecoregion is in protected areas. About three-quarters of the ecoregion is still forested.[7]

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  • "Southern New Guinea lowland rain forests". Terrestrial Ecoregions. World Wildlife Fund.

References
  1. Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b.
  2. Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Washington, DC: Island Press.
  3. Wikramanayake, Eric; Eric Dinerstein; Colby J. Loucks; et al. (2002). Terrestrial Ecoregions of the Indo-Pacific: a Conservation Assessment. Washington, DC: Island Press.
  4. "Southern New Guinea lowland rain forests". Terrestrial Ecoregions. World Wildlife Fund.
  5. "Southern New Guinea lowland rain forests". Terrestrial Ecoregions. World Wildlife Fund.
  6. BirdLife International. 2018. Casuarius casuarius. The IUCN Red List of Threatened Species 2018: e.T22678108A131902050. https://dx.doi.org/10.2305/IUCN.UK.2018-2.RLTS.T22678108A131902050.en. Downloaded on 09 June 2020.
  7. Eric Dinerstein, David Olson, et al. (2017). An Ecoregion-Based Approach to Protecting Half the Terrestrial Realm, BioScience, Volume 67, Issue 6, June 2017, Pages 534–545; Supplemental material 2 table S1b.
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