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Proechimys goeldii

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Taxonomy [top]

Kingdom Phylum Class Order Family
ANIMALIA CHORDATA MAMMALIA RODENTIA ECHIMYIDAE

Scientific Name: Proechimys goeldii
Species Authority: Thomas, 1905
Common Name/s:
English Goeldi's Spiny Rat

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2010
Date Assessed: 2009-09-25
Assessor/s: Patton, J. & Astua, D.
Reviewer/s: Amori , G. & Schipper, J.
Justification:
This species is listed as Least Concern because of its wide distribution, presumed large population, occurrence in protected areas, tolerance to some degree of habitat modification, and because it is unlikely to be declining at nearly the rate required to qualify for listing in a threatened category.

Geographic Range [top]

Range Description: This species occurs in Brazil, south of the Amazon and east of the mouth of the Madeira (Patton 1987). Alberico et al. (2000) includes it in Colombia (not shown on map). Its altitudinal range reaches 300 m.
Countries:
Native:
Brazil; Colombia
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: It is expected to be abundant (J. Patton pers. comm.).
Population Trend: Stable

Habitat and Ecology [top]

Habitat and Ecology: This rodent is present in varzea and igapo forests. It has also been collected in gardens and secondary and primary forest (P. Costa pers. comm.). Most of the localities where it has been reported to occur are along margins of rivers, though this may be an artifact of collection methods.
Systems: Terrestrial

Threats [top]

Major Threat(s): The eastern Pará is currently under threat from deforestation and mining for iron and aluminium; other areas are experiencing expansion of soybean agriculture; the Cuiaba-Santarem highway also passes through part of the range. Its range is contracting from the south and south-east (A. Percequillo pers. comm.).

Extrapolating deforestation rates (from Asner et al. 2005) for Pará and the northern 58% of the Mato Grosso (which roughly matches the distribution map for P. goeldii) for a three year period to ten years, the percent of habitat loss to the species’ is approximately 14%. However, Ewers et al. (2008) show that Amazonian deforestation rates vary greatly over time and a three year period would likely be too short on which to base a ten year projection, but even with a more grim average yearly loss the species is unlikely to lose 20% of its habitat in a ten year period. In any case, even 14% is an extraordinary rate of habitat loss over such a large area, but it should be noted that habitat loss is unlikely to translate directly to population decline in this species because it is probably able to tolerate some degree of habitat disturbance. Also, these projections do not consider deforestation for the unmapped range in Colombia, which is likely to be occurring a lower rate.

Conservation Actions [top]

Conservation Actions: This species is found in Xingu indigenous area and Cristalino State Ecological Reserve. Studies would be useful to determine whether the retraction of the range will adversely affect the species (J. Patton pers. comm.).
Citation: Patton, J. & Astua, D. 2010. Proechimys goeldii. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 19 April 2014.
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