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Description |
Geographic Range [top]
Range Description: Eragrostis unioloides is cosmopolitan in nature and has invasive tendencies. It is known from India and Sri Lanka. Grassbase (Clayton et al. 2006) records it from Africa (west tropical, west-central tropical, and western Indian ocean). Asia-temperate (Arabia, China, and eastern Asia). Asia-tropical (India, Indo-China, Malaysia, and Paupa New Guinea). Australasia (Australia).
Countries occurrence:
Native:
Australia; Bangladesh; Brazil; Cambodia; Canada; China (Guangdong, Hunan, Tibet [or Xizang], Yunnan); Egypt; India; Indonesia; Malaysia; Myanmar; Nepal; Papua New Guinea; Saudi Arabia; Sri Lanka; Taiwan, Province of China; Thailand; United States; Viet Nam
Continuing decline in area of occupancy (AOO): No
Extreme fluctuations in area of occupancy (AOO): No
Estimated extent of occurrence (EOO) - km2:
Continuing decline in extent of occurrence (EOO): No
Extreme fluctuations in extent of occurrence (EOO): No
Continuing decline in number of locations: No
Extreme fluctuations in the number of locations: No
Upper elevation limit (metres): 1200
Range Map: Click here to open the map viewer and explore range.
Population [top]
Population: Although population studies in detail have not been carried out, it is abundant everywhere. Observations in Maharashtra (A. Watve pers. obs. 2007) showed that it forms dense patches on many disturbed areas sometimes with 300 individuals within 1 km2.
Current Population Trend: Increasing
Additional data:
?Continuing decline of mature individuals: No
?Extreme fluctuations: No ?Population severely fragmented: No
?Continuing decline in subpopulations: No
?Extreme fluctuations in subpopulations: No ?All individuals in one subpopulation: No
Habitat and Ecology [top]
Habitat and Ecology: The species grows in all types of dry and wet habitats and is tolerant to heavy disturbance and forms pure patches in such areas.
Systems: Terrestrial; Freshwater
Continuing decline in area, extent and/or quality of habitat: No
Use and Trade [top]
Use and Trade: This species is included in the forage grasses, but has no major significance.
Threats [top]
Major Threat(s): The species grows in all types of dry and wet habitats and is tolerant to heavy disturbance and forms pure patches in such areas.
Conservation Actions [top]
Conservation Actions: No conservation action is proposed or is necessary for this species.
Citation: Watve, A. 2013. Eragrostis unioloides. The IUCN Red List of Threatened Species 2013: e.T176925A7332417. http://dx.doi.org/10.2305/IUCN.UK.2011-1.RLTS.T176925A7332417.en. Downloaded on 05 May 2016.
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