Data about <i>Rattus adustus</i>
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||Environments - EOL project|
||Environments - EOL project|
Relevance to Humans and Ecosystems
Glossary for Rattus adustus
- The general region of indefinite width that extends from the sea inland to the first major change in terrain features.
- Conservation status
- Data deficient
- A taxon is Data Deficient when there is inadequate information to make a direct, or indirect, assessment of its risk of extinction based on its distribution and/or population status. A taxon in this category may be well studied, and its biology well known, but appropriate data on abundance and/or distribution are lacking. Data Deficient is therefore not a category of threat. Listing of taxa in this category indicates that more information is required and acknowledges the possibility that future research will show that threatened classification is appropriate. It is important to make positive use of whatever data are available. In many cases great care should be exercised in choosing between DD and a threatened status. If the range of a taxon is suspected to be relatively circumscribed, and a considerable period of time has elapsed since the last record of the taxon, threatened status may well be justified.
- Decimal degrees
- Decimal degrees (DD) express latitude and longitude geographic coordinates as decimal fractions. The values are bounded by ±90° and ±180° respectively. Positive latitudes are north of the equator, negative latitudes are south of the equator. Positive longitudes are east of Prime Meridian, negative longitudes are west of the Prime Meridian. (Wikipedia)
- Geographic range (area)
- The total extent of the geographic range of an organism.
- The natural environment in which an organism lives, or the physical environment that surrounds (influences and is utilized by) a species population.
- Habitat. (2013, August 9). In Wikipedia, The Free Encyclopedia. Retrieved 19:01, August 14, 2013, from http://en.wikipedia.org/w/index.php?title=Habitat&oldid=567783959
- A category or description of the habitat in which the Event occurred.
- Human population density
- The human population density within the geographic range of a taxon.
- Human population density change
- Rate of increase in human population density within the geographic range of a species.
- Kate E. Jones, Jon Bielby, Marcel Cardillo, Susanne A. Fritz, Justin O'Dell, C. David L. Orme, Kamran Safi, Wes Sechrest, Elizabeth H. Boakes, Chris Carbone, Christina Connolly, Michael J. Cutts, Janine K. Foster, Richard Grenyer, Michael Habib, Christopher A. Plaster, Samantha A. Price, Elizabeth A. Rigby, Janna Rist, Amber Teacher, Olaf R. P. Bininda-Emonds, John L. Gittleman, Georgina M. Mace, and Andy Purvis. 2009. PanTHERIA: a species-level database of life history, ecology, and geography of extant and recently extinct mammals. Ecology 90:2648. http://esapubs.org/archive/ecol/E090/184/
- Individuals per square kilometer
- A unit of population density.
- Area of dry or relatively dry land surrounded by water or low wetland.
- Square kilometre, symbol km^2, is a decimal multiple of the SI unit of surface area, the square metre, one of the SI derived units. 1 km^2 is equal to: 1,000,000 m^2, 100 ha (hectare) (Wikipedia: https://en.wikipedia.org/w/index.php?title=Square_kilometre&oldid=566625931)
- Latitude is a geographic coordinate which refers to the angle from a point on the Earth's surface to the equatorial plane
- Longitude is a geographic position that refers to the angle east or west of a reference meridian between the two geographical poles to another meridian that passes through an arbitrary point.
- Population trend
- Terrestrial habitat
- A habitat that is on or at the boundary of the surface of the Earth.
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