Delta Mahakam (15913)
Indonesia, Asia
Site overview
KBA status: confirmed
Year of last assessment: 2001
National site name: Delta Mahakam
Central coordinates: Latitude: -0.6667, Longitude: 117.4167
System: freshwater, marine, terrestrial
Area of KBA (km2): 326.01857
KBA classification: Global/Regional TBD
Legacy site: Yes
Site details
Site description: The area is also known as Samarinda Beach. It is a dynamic delta area with mangrove and nypah swamp behind tidal mudflats.
Rationale for qualifying as KBA: This site qualifies as a Key Biodiversity Area of international significance because it meets one or more previously established criteria and thresholds for identifying sites of biodiversity importance (including Important Bird and Biodiversity Areas, Alliance for Zero Extinction sites, and Key Biodiversity Areas)
Additional biodiversity: Based on 1987 survey, there is no high number of waterbirds (highest number 2263, with 1 roosting group of 1410 birds). There are some important species such as Chinese Egret Egretta eulophotes and Lesser Adjutant Leptoptilus javanicus (29 birds). The first record for Sunda Teal Anas gibberifrons, Grey Duck Anas superciliosa, Greater Flameback Chrysocolaptes lucidus in Kalimantan. Greater Flameback Chrysocolaptes lucidus is specific species for mangrove with very limited information about its distribution. Non-bird biodiversity: Orcaella brevirostris, Presbytis rubicunda, Hylobathes muelleri, Nasalis larvatus and Crocodylus porosus (Eve & Guigue 1989)
Habitats
Summary of habitats in KBA: Mangrove and nypah forest (50%), degradated tidal swamp vegetation and fish pond (30%), industral area and settlement (20%). Activities in this area are fisheries, logging, and industry (mainly oil).
Land use: fisheries/aquaculture | forestry | nature conservation and research | urban/industrial/transport
| IUCN Habitat | Coverage % | Habitat detail |
|---|---|---|
| Marine Neritic | 6 | |
| Marine Coastal/Supratidal | 12 | |
| Forest | 50 | |
| Marine Intertidal | 12 | |
| Artificial - Terrestrial | 20 |
Threats
Summary of threats to biodiversity at KBA: Forest conversion for fish ponds and infrastructure development (Anon 1995).
Additional information
References: Anon. 1995. National Conservation Plan for Indonesia, Kalimantan (5A-D). Ministry of Forestry, Directorate General of Forest Protection and Nature Conservation, Jakarta.Eve, R. & Guigue, A.M.1989. Survey of the Mahakam River Delta, East Kalimantan, with special reference to its waterbirds. Asian Wetland Bureau Publ. No. 45. Kuala Lumpur.