Genetic diversity and conservation of picea chihuahuana martinez. Rangewide variation was investigated using maternally inherited mitochondrial mtdna and paternally inherited chloroplast cpdna dna markers. Species differentiation of north american spruce picea. Pdf the relationship between species diversity and. Picea chihuahuana, the chihuahua spruce, is a mediumsized evergreen tree growing to. Picea chihuahuana martinez is an endangered endemic species known to occur in at least 40 locations along the sierra madre occidental, in the. Javier corralrivas institute of silviculture and wood industry. Discrimination of picea chihuahuana martinez populations on. Spatial distribution patterns in the very rare and speciesrich. In vitro germination of picea chihuahuana in different.
The spatial distribution of trees is a result of many ecological processes and. Carmen zulema quinonesperez, cuauhtemoc saenzromero, and christian wehenkel influence of neighbouring tree species on aflp variants of endangered picea chihuahuana martinez populations on the sierra madre occidental, northwestern mexico, polish journal of ecology 621, 5565, 1 march 2014. This study modeled the potential distribution of the tree picea chihuahuana martinez, a species in danger of extinction, using. Spatial distribution patterns in the very rare and species. Pdf modeling the potential distribution of picea chihuahuana. The mexican picea chihuahuana martinez is an endemic species. Earlywood and latewood widths of picea chihuahuana. Pdf genetic diversity and conservation of picea chihuahuana. The analyses of past and present environmental conditions where these species have occurred allow us to understand the dynamics of their distribution.
Earlywood and latewood widths of picea chihuahuana show. Interspecific and intraspecific variation in picea. Adventitious bud formation from mature embryos of picea. Among the 16 mtdna regions analysed, only two mitotypes were. Picea chihuahuana martinez is an endemic conifer species in. Zygotic embryos of picea chihuahuana martnez were cultivated in vitro to determine the time of organogenic competence and to maximize adventitious bud induction. Picea chihuahuana, the chihuahua spruce, is a mediumsized evergreen tree growing to 2535 m tall, and with a trunk diameter of up to 1 m. Pages in category picea the following 42 pages are in this category, out of 42 total. Pdf locations of endangered spruce populations in mexico and. In vitro regeneration of plantlets from immature zygotic. Files are available under licenses specified on their description page. Distribution dynamics of picea chihuahuana martinez populations. Ty jour ti the leaf essential oils of picea chihuahuana martinez and p. The existence of endangered tree species in mexico necessitates an understanding of their vulnerability to the predicted climate changes warming and drying trends.
Picea martinezii was formerly considered synonymous with p. Differentiation of most north american spruce picea species can be done based on needle morphology and anatomy. Picea breweriana was well isolated from all other taxa. The induction medium consisted of modified b5 substrate supplemented with n 6 benzyladenine with or without naphthalene acetic acid or kinetin with or without 24. Chihuahua spruce is only found in the sierra madre occidental smo, mexico. Pdf estimating genetic erosion using the example of. Picea chihuahuana, which is endemic to mexico, is currently listed as. All structured data from the file and property namespaces is available under the creative commons cc0 license. Picea chihuahuana, which is endemic to mexico, is currently listed as endangered on the iucn red list. Picea chihuahuana probably arrived in north america during cretaceous or earlier times. Ruling out genetic erosion in picea chihuahuana martinez. Chihuahua spruce picea chihuahuana native range border related maps. Zygotic embryos of picea chihuahuana martinez were cultivated in vitro to determine the time of organogenic competence and to maximize adventitious bud induction.
This page was last edited on 12 december 2014, at 20. These populations are fragmented and can be classified into three geographically distinct clusters in the smo. Picea chihuahuana is an endemic species in mexico and is considered. Picea chihuahuana martinez is an endemic conifer species in mexico and is. Decoupled mitochondrial and chloroplast dna population.
Pdf the relationship between species diversity and genetic. The medium was schenk and hildebrandt supplemented with benzyladenine and kinetin, alone. Only fragments above the signal threshold of 50 minimum peak height according to abi manual and with a maximum peak width of 1. Sorry, we are unable to provide the full text but you may find it at the following locations. Species distribution models sdms help identify areas for the development of populations or communities to prevent extinctions, especially in the face of the global environmental change. The leaf essential oils of picea chihuahuana martinez and. Pdf spatial genetic structure in the very rare and. Picea chihuahuana martinez is an endemic conifer species in mexico and is considered to be endangered. Background picea chihuahuana, which is endemic to mexico, is currently listed as endangered on the red list. About 42,600 individuals are distributed in forty populations. The induction medium consisted of modified b5 substrate supplemented with n 6benzyladenine with or without naphthalene acetic acid or kinetin with or without 24, dichlorophenoxyacetic acid at different concentrations and.
Discrimination of picea chihuahuana martinez populations on the. Picea chihuahuana in kew science plants of the world online. Bsp, picea martinezii patterson, and picea rubens sarg. Chihuahua spruce picea chihuahuana martinez is a montane subtropical conifer endemic to the sierra madre occidental in northwestern mexico. The response of ew and lw to climate variables maximum temperature, minimum temperature. Watson, picea chihuahuana martinez, picea mariana mill. This study modeled the potential distribution of the tree picea chihuahuana martinez, a species in danger of extinction, using the maximum entropy modeling method maxent at three scales. The conservation of genetic diversity in tree populations is an essential component of sustainable forest management.
Picea chihuahuana martinez is a montane subtropical conifer endemic to the sierra madre occidental in northwestern mexico. Review history for discrimination of picea chihuahuana. Martinez and picea martinezii patterson, are relicts of the. The very rare mexican picea chihuahuana tree community covers an area of no more than 300 ha in the sierra madre occidental. The relationship between species diversity and genetic structure in the rare picea chihuahuana tree species community, mexico. The relationship between species diversity and genetic structure. Determining genetic erosion in fourteen picea chihuahuana. Influence of neighbouring tree species on aflp variants of. Species with a restricted distribution in isolated populations are the most threatened under climate change. In vitro germination of picea chihuahuana in different culture media and light conditions alma v.
The board of trustees of the royal botanic gardens, kew. In natural plant populations, the spatial genetic structure sgs is occasionally associated with evolutionary and ecological features such as the mating system, individual fitness, inbreeding depression and natural selection of the species of. Study area for picea chihuahuana martinez in mexico. Distribution dynamics of picea chihuahuana martinez. This special tree community has been the subject of several studies aimed at learning more about the genetic structure and ecology of the species and the potential effects of climate change. Genetic diversity and conservation of picea chihuahuana. The record derives from wcsp data supplied on 20120323 which reports it as an accepted name record 380610 with original publication details. Discrimination of picea chihuahuana martinez populations. Mar 17, 2017 genetic erosion has been variously defined as the loss of particular alleles, the reduction in richness of the total number of alleles, and the reduction in evenness of the frequencies of alleles in a given place within populations or across species. It is native to northwest mexico, where it occurs in 25 small populations in the sierra madre occidental mountains in chihuahua and durango. The physiography, climate, and forest geography of its present range in the sierra madre occidental of mexico are described. The rare tree species picea chihuahuana martinez, which is endemic to mexico, is. A series of common garden studies of 336 populations representing picea engelmannii, p.
Estimating genetic erosion using the example of picea chihuahuana martinez. Chihuahua spruce picea chihuahuana martinez is one of those species. Discrimination of picea chihuahuana martinez populations on the basis of climatic, edaphic, dendrometric, genetic and population traits iliana karina dominguezguerrero 1, samantha del rocio mariscallucero 1, jose ciro hernandezdiaz 1, berthold heinze 2, jose angel prietoruiz 3, christian wehenkel 1. Relationships among the spruces picea, pinaceae of. Pdf picea chihuahuana martinez diana morales zuniga. An illustrated flora of the northern united states, canada and the british possessions.
Picea chihuahuana martinez is an accepted name this name is the accepted name of a species in the genus picea family pinaceae. The forests are cool montane temperate rather than boreal. The leaf essential oils of picea chihuahuana martinez and p. Details the leaf essential oils of picea chihuahuana. Adventitious buds were induced from immature embryos of picea chihuahuana, a species from the north of mexico. Canonical discriminant analyses discretely segregated populations of p. Browse pictures and read growth cultivation information about chihuahua spruce picea chihuahuana supplied by member gardeners in the plantfiles database at daves garden.
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