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Prumnopitys exigua

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA PINOPSIDA PINALES PODOCARPACEAE

Scientific Name: Prumnopitys exigua
Species Authority: de Laub.
Common Name(s):
Spanish Pino Colorado, Jatun Pino, Pino Castilla, Pino Negro

Assessment Information [top]

Red List Category & Criteria: Near Threatened ver 3.1
Year Published: 2013
Date Assessed: 2011-08-04
Assessor(s): Zenito, F., Alanes, D., Nieto Blazquez, E. & Gardner, M.
Reviewer(s): Thomas, P. & Mill, R.
Justification:
The extent of occurrence (EOO) of  25,500 km2 falls outside the threshold for Vulnerable (<20,000 km2). However continued exploitation for timber is likely to increase fragmentation and degradation of its habitat as well as reducing its extent of occurrence and area of occupancy. In the near future this could be sufficient for an assessment of Vulnerable under the criteria for B1. At this stage, it is assessed as Near Threatened. 
History:
1998 Data Deficient

Geographic Range [top]

Range Description: Endemic to Bolivia where it occurs in the Departments of Cochabamba (Province: Carrasco), Chuquisaca (Province: Belisario Boeto) and Santa Cruz (Province: Florida and Vallegrande). It has an estimated extent of occurrence (EOO) of  25,500 km2.
Countries:
Native:
Bolivia, Plurinational States of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: A locally common species but the population is decreasing due to a variety of threats.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Occurs in upper montane tropical cloud forest on northeast facing slopes, where it ranges in altitude from 1,800-3,000 m above sea level. In Bosque Yungas in Parque Nacional Carrasco (Cochabamba) and in Bosque Tucumano Boliviano (Chuquisaca and Santa Cruz) it occurs from 2,700-3,000 m where its main associated trees species include Persea ruizii and  Podocarpus glomeratus (Ustariz 1998). Other tree species associated with P. exigua can include: Alnus acuminata, Blepharocalyx salicifolius, Cedrela lilloi, Ilex argentina, Juglans boliviana, Myrcianthes callicoma, Podocarpus parlatorei, Podocarpus rusbyi, Ternstremia asymmetrica and Weinmannia microphylla.
Systems: Terrestrial

Use and Trade [top]

Use and Trade: P. exigua is exploited on a local basis for its valued wood which is used in house construction and carpentry

Threats [top]

Major Threat(s): Prumnopitys exigua has a fragmented distribution with much of its habitat being severely degraded. In the regions of Ayopaya and Siberia (Chocabamba), the main threats are from timber extraction (along with other important forest species), agricultural activities and extensive ranching (VMABCC-BIOVERSITY 2009). The resulting canopy loss has had a knock-on effect for key associated species, some of which are listed as being threatened. The selected extraction and over-harvesting of targeted species is an important threat as it relates directly to these species and to their contributions to the overall functioning of ecosystems (USAID/Bolivia 2008). The practice of slash and burn is also another serious threat to the species (M. Gardner pers. obs. 2011).

Conservation Actions [top]

Conservation Actions: It occurs in two contiguous protected areas of Parque Nacional Amboró (Santa Cruz) and in Parque Nacional Carrasco (Cochabamba) where an important locations for the species is on the Bosque de Yungas (Ustariz 1998). It is listed as Vulnerable on the Bolivian National Redlist (Meneses and Beck 2005).

Citation: Zenito, F., Alanes, D., Nieto Blazquez, E. & Gardner, M. 2013. Prumnopitys exigua. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 02 October 2014.
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