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Genetic erosion risk by environmental and antropic factor applied on strategies for Lychnophora ericoides conservation
  • Universidade Estadual Paulista (UNESP)
  • Universidade Federal de Minas Gerais (UFMG)
  • Universidade Federal do Tocantins (UFT)
This study evaluated the genetic erosion risk factors and the strategic points for the conservation of Lychnophora ericoides population in “Paraíso Perdido” farm, Serra da Canastra (20° 37’ 54” S; 46° 19’ 37” W; 833 m height) in São João Batista do Glória City, Minas Gerais State, Brazil. The number of young and adult plants, the soil and the phenology were evaluated in two sample areas of 125 m2. Information about the species utilization was obtained with local informants. Data on the region were obtained through literature review, in loco evaluation, GPS and geo-referenced map. In addition, local use of the plant for mixtures of drug was evaluated. According to the results obtained, the soil of the population is lithic with a weathered portion of frank-sandy texture, very acidic and dystrophic. The population density is 0.16 individuals/m2, 0.078 young/adult plant. The predominant phenophase was fruiting (100% plants) followed by flowering (21.62% plants). The local community uses the leaves of the plant in the form of hydroalcoholic extracts, as anti-inflammatory. Based on the evaluated parameters, the population is at 73% risk of genetic erosion. The detected key points were the development of activities including the participation of the local community for habitat protection as well as germplasm collection, seedlings production and reintroduction, together with environmental education, supervision, and reduction in the propensity for fire.
Issue Date: 
Journal of Medicinal Plant Research, v. 6, n. 23, p. 4024-4031, 2012.
Time Duration: 
  • Arnica-da-serra
  • Conservation
  • Genetic resources
  • Germoplasm
  • Medicinal plants
Access Rights: 
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Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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