|Scientific Name:||Ceriops zippeliana|
|Taxonomic Notes:||This species was formerly recognized as C. decandra in the majority of its range. C. decandra is now restricted to the eastern coast of India, Bangladesh, Myanmar, southwest Thailand and the western Malay peninsula (Sheue et al. 2009).|
|Red List Category & Criteria:||Least Concern ver 3.1|
|Assessor(s):||Duke, N., Kathiresan, K., Salmo III, S.G., Fernando, E.S., Peras, J.R., Sukardjo, S. & Miyagi, T.|
|Reviewer(s):||Polidoro, B.A., Livingstone, S.R. & Carpenter, K.E. (Global Marine Species Assessment Coordinating Team)|
This species is widespread and is common. It is threatened by the loss of mangrove habitat throughout its range, primarily due to extraction and coastal development, and there has been an estimated 23% decline in mangrove area within this species range since 1980. Mangrove species are more at risk from coastal development and extraction at the extremes of their distribution, and are likely to be contracting in these areas more than in other areas. It is also likely that changes in climate due to global warming will further affect these parts of the range. Although there are overall range declines in many areas, they are not enough to reach any of the threatened category thresholds. This species is listed as Least Concern.
|Range Description:||This species is found in Indonesia, Malaysia, Philippines, southern Viet Nam, Cambodia, Thailand and Papua New Guinea and northern Australia (Sheue et al. 2009).|
Native:Australia; Cambodia; Indonesia; Malaysia; Papua New Guinea; Philippines; Singapore; Thailand; Viet Nam
|FAO Marine Fishing Areas:||
Indian Ocean – eastern; Pacific – northwest; Pacific – western central
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||C. zippeliana is considered common throughout its range.|
|Habitat and Ecology:||
The northern population of C. zippeliana is found in the mid to high intertidal zone in intermediate regions of estuaries. This species generally grows to 3 m or more, and is considered to be a slow-growing species. Individuals of this population grow as single stemmed small tree that can grow under larger trees (Primavera et al. 2004).
The southern population of C. zippeliana is found in the mid to high intertidal zone in intermediate regions of estuaries. This species generally grows to 3 m or more, and is considered to be a slow-growing species. Individuals of this population grow as an undercanopy species and is a multistemmed shruby tree (Duke 2006).
|Use and Trade:||This species is harvested for its tannins to make dye.|
Although local estimates are uncertain due to differing legislative definitions of what is a 'mangrove' and to the imprecision in determining mangrove area, current consensus estimates of mangrove loss in the last quarter-century report an approximately 23% decline in mangrove areas in countries within this species range since 1980 (FAO 2007).
All mangrove ecosystems occur within mean sea level and high tidal elevations, and have distinct species zonations that are controlled by the elevation of the substrate relative to mean sea level. This is because of associated variation in frequency of elevation, salinity and wave action (Duke et al. 1998). With rise in sea-level, the habitat requirements of each species will be disrupted, and species zones will suffer mortality at their present locations and re-establish at higher elevations in areas that were previously landward zones (Ellison 2005). If sea-level rise is a continued trend over this century, then there will be continued mortality and re-establishment of species zones. However, species that are easily dispersed and fast growing/fast producing will cope better than those which are slower growing and slower to reproduce.
In addition, mangrove area is declining globally due to a number of localized threats. The main threat is habitat destruction and removal of mangrove areas. Reasons for removal include cleared for shrimp farms, agriculture, fish ponds, rice production and salt pans, and for the development of urban and industrial areas, road construction, coconut plantations, ports, airports, and tourist resorts. Other threats include pollution from sewage effluents, solid wastes, siltation, oil, and agricultural and urban runoff. Climate change is also thought to be a threat, particularly at the edges of a species range. Natural threats include cyclones, hurricane and tsunamis.
|Conservation Actions:||There are no conservation measures specific to this species, but its range may include some marine and coastal protected areas. Continued monitoring and research is recommended, as well as the inclusion of mangrove areas in marine and coastal protected areas.|
|Citation:||Duke, N., Kathiresan, K., Salmo III, S.G., Fernando, E.S., Peras, J.R., Sukardjo, S. & Miyagi, T. 2010. Ceriops zippeliana. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 26 October 2014.|
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