Nota sobre la estructura poblacional de Echinocactus platyacanthus (Cactaceae) en la Reserva de la Biósfera "Barranca de Metztitlán", Hidalgo, México

Castañeda-Romero, Malinali; Luna-Contreras, Monserrat; Vela-Godinez, Daniel; Montoya-Santiago, Gessel; González-Bermúdez, Alejandro; Peña, Rodrigo Martínez; Esperón-Rodríguez, Manuel

doi:10.21829/abm115.2016.1112

Cited by 4 publications

(6 citation statements)

References 7 publications

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“…Population structure and habitat. -The assessed population shows a low density of individuals compared to other cactus species (Texeira et al 2004, Ceroni et al 2007, Castañeda-Romero et al 2016, Zepeda et al 2017, Loaiza and Molina-Moreira 2019, which may be related to the characteristics of the habitat where they are established and the strategies of the plant itself for its survival. There is probably competition between members of the population to obtain water and the distance between individuals has to be sufficient, so that each one receives what is necessary.…”

Section: Discussionmentioning

confidence: 94%

Geographic distribution and conservation status of Eulychnia ritteri Cullmann (Cactaceae), an endemic cactus from southern Peru

et al. 2021

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Eulychnia ritteri is endemic to Peru, restricted to the northern coast of the department of Arequipa. The lack of knowledge of this species, and threats such as human activities and climate change, put the populations at risk. In this research, we examined the geographical distribution and conservation status of E. ritteri in the coastal area of the Caravelí province. In addition, the population structure and phenology in the Quebrada Vizcachani population were evaluated using plots of 10x100 m. Data on the accompanying flora and local fauna were also obtained. Eulychnia ritteri showed five populations distributed from 15°43’ to 15°47’S, with a total area of 63.62 ha (0.63 km2). The Quebrada Vizcachani population is the largest (24.5 ha) and the Cementerio population the smallest (0.018 ha). The population density evaluated is 0.06 ind/m2, where seedlings, juveniles, adults, and dead plants were 3.61, 24.09, 56.63 and 15.67% respectively. The phenology was asynchronous, the flower buds, flowers and fruits appear in the same period. The flowers and fruits were food for insects and rodents respectively, and 18 accompanying species have been recorded. Finally, E. ritteri is categorised as endangered (EN), given its geographical distribution and identified threats.

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Section: Discussionmentioning

confidence: 94%

Geographic distribution and conservation status of Eulychnia ritteri Cullmann (Cactaceae), an endemic cactus from southern Peru

et al. 2021

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“…Las cactáceas son un grupo de plantas con características biológicas y ecológicas particulares que las hacen vulnerables a diversos factores de perturbación naturales y humanos, además, poseen tasas bajas de crecimiento y a menudo sus ciclos de vida son largos (Álvarez et al, 2017); (Castañeda-Romero et al, 2016). Estas plantas se han convertido en un grupo sensible a la extinción (Jiménez-Sierra et al, 2007).…”

Section: Introductionunclassified

Germinación y crecimiento de Echinocactus platyacanthus Link & Otto (Cactaceae)

Gómez-Serrano¹,

Martínez²,

Arreguín-Sánchez³

et al. 2021

polibotanica

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“…The Cactaceae family is native to the American continent comprising about 2000 species ( Hernández et al, 2007 ; Jiménez-Sierra, 2011 ; Castañeda-Romero et al, 2016 ). Members of this plant family have successfully colonized arid and semi-arid environments, in the herbaceous, shrubby and arboreal strata, becoming key elements in the structure and dynamics of the plant communities of the ASZ.…”

Section: Introductionmentioning

confidence: 99%

Composition, Structure, and PGPR Traits of the Rhizospheric Bacterial Communities Associated With Wild and Cultivated Echinocactus platyacanthus and Neobuxbaumia polylopha

et al. 2020

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The Queretaro semi-desert in central Mexico is the most southern extension of the Chihuahua desert. This semi-arid zone shelters a vast cactus diversity with many endemic species. Currently, two cacti species from this semi-desert namely, Echinocactus platyacanthus and Neobuxbaumia polylopha are under a threat to their survival. So far, there are no reports on the bacterial communities associated with these plants. In this study, we assessed the structure and diversity of the rhizospheric bacterial communities associated with Echinocactus platyacanthus and Neobuxbaumia polylopha growing in wild and cultivated conditions. Samples of E. platyacanthus were also approached with culture-based methods in search of isolates with plant growth promoting abilities. Metagenomic DNA was extracted from rhizospheric samples and used for Illumina sequencing of the 16S rRNA gene. α-diversity and amplicon sequence variant (ASV) richness were higher in both groups of E. platyacanthus samples. All samples accounted for 14 phyla, and the major 6 were common to all treatments. The dominant phyla in all four sample groups were Actinobacteria and Proteobacteria. Analysis at family and genus levels showed association patterns with the cultivated samples from both species grouping together, while the wild samples of each cactus species were grouping apart. High abundance values of Rubrobacteraceae (15.9-18.4%) were a characteristic feature of wild E. platyacanthus samples. In total, 2,227 ASVs were scored in all 12 rhizospheric samples where E. platyacanthus samples showed higher richness with 1,536 ASVs. Regarding the growing conditions, both groups of cultivated samples were also richer accounting for 743 and 615 ASVs for E. platyacanthus and N. polylopha, respectively. The isolates from E. platyacanthus rhizosphere were mainly assigned to Bacilli and Gammaproteobacteria. In total 35

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Nota sobre la estructura poblacional de Echinocactus platyacanthus (Cactaceae) en la Reserva de la Biósfera "Barranca de Metztitlán", Hidalgo, México

Cited by 4 publications

References 7 publications

Geographic distribution and conservation status of Eulychnia ritteri Cullmann (Cactaceae), an endemic cactus from southern Peru

Geographic distribution and conservation status of Eulychnia ritteri Cullmann (Cactaceae), an endemic cactus from southern Peru

Germinación y crecimiento de Echinocactus platyacanthus Link & Otto (Cactaceae)

Composition, Structure, and PGPR Traits of the Rhizospheric Bacterial Communities Associated With Wild and Cultivated Echinocactus platyacanthus and Neobuxbaumia polylopha

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