Download Biznaga del dios sol y guerra (Mammillaria huitzilopochtli)

Biznaga del dios sol y guerra
(Mammillaria huitzilopochtli)
N omb res comu n es: Sun and war god cactus (Inglés)
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Range description 1,2
This species is endemic to the Mexican state of Oaxaca (north), with an extent of occurrence close to
1,800 km2 and 7 known sites at elevations of 500 to 1,000 m asl (Arias et al. 1997, Hunt et al. 2006).
Habitat and ecology 1,2
Hab i tat an d Ecol ogy
The species inhabits tropical deciduous forest. It flowers between October and December, and
produces fruits between December and March (Arias et al. 1997). The seedlings only grow under the
shade of nurse plants (Flores-Martnez et al. 2008).
Systems
Terrestrial
Statistics of barcoding coverage: mammillaria huitzilopochtli 3
Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 6
Species With Barcodes: 1
Iucn red list assessment 1,2
R ed Li st Category
LC
Least Concern
R ed Li st Cri teri a
Versi on
3.1
Year Assessed
2013
Assessor/s
Arias, S., Valverde, T. & Zavala-Hurtado, A.
R evi ewer/s
Superina, M. & Goettsch, B.K.
Con tri b u tor/s
Ju sti fi cati on
Mammillaria huitzilopochtli has a very narrow range, however, it occurs at a very high density and the
decline in population is not known to be sufficient to trigger a red lisitng. Hence, it is listed as Least
Concern. Special attention should be given to the effect of goat trampling on the population.
Population 1,2
Pop u l ati on
There are only seven subpopulations of M. huitzilopochtli in 1058 ha, with an average density of 1718
individuals/ha. (Peters and Martorell 2000). There is a slight population decline. The species has an
intrinsic limitation for population growth, and seedling establishment is very low.
Pop u l ati on Tren d
Decreasing
Threats 1,2
M aj or Th reats
Climate change is a potential threat to the species. Under climate change scenarios in which
temperature was increased by 2C and the precipitation decreased by 15% with respect to current
climate conditions (approximately between year 2060 and year 2100), the species reduced its present
range dramatically (Tllez-Valds and Dvila 2003).
The species has an intrinsic limitation for population growth, and seedling establishment is very low.
The populations are threatened by goat trampling (Peters and Martorell 2000).
Conservation actions 1,2
Con servati on Acti on s
The species is legally protected in Mexico by the national list of species at risk of extinction, NOM-059SEMARNAT-2010, where it is listed under category subject to special protection (Pr; SEMARNAT 2010).
However, according to Flores-Martnez and Manzanero (2005) the species should be listed in a higher
category, that is "in risk of extinction".
The species occurs within the Tehuacn-Cuicatln Biosphere Reserve (Mndez-Larios et al. 2006).
References
1. Arias, S., Valverde, T. & Zavala-Hurtado, A. 2013. Mammillaria huitzilopochtli . In: IUCN 2014 . IUCN
Red List of Threatened Species. Version 2014.1 . <www.iucnredlist.org>
2. © International Union for Conservation of Nature and Natural Resources, some rights reserved
3. © Barcode of Life Data Systems, some rights reserved