2014
DOI: 10.5902/2358198014685
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Campos e florestas no curso médio do rio Toropi, Rio Grande do Sul (Brasil). Retrato de um admirável patrimônio ameaçado

Abstract: RESUMO É analisada a vegetação campestre e florestal na região do curso médio do rio Toropi, no centro do estado do Rio Grande do Sul, confirmando-se a existência de diversas espécies endêmicas, raras e/ou ameaçadas de extinção. Dada a importância desse patrimônio florístico e natural, conclui-se que a construção das centrais hidrelétricas previstas exige a criação de uma unidade de conservação para preservar os ecossistemas remanescentes.

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Cited by 7 publications
(3 citation statements)
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“…16.000 km 2 , respectively). According to Bünecker et al (2017), this spe cies is known to present small subpopulations, with its distribution range being extremely threatened by the construction of small hydroelectric powerplants in the next few years ( Marchiori et al 2014 ). This might cause most or all known subpopulations to become extinct in the near future, since this species grows in rock walls near water bodies.…”
Section: Resultsmentioning
confidence: 99%
“…16.000 km 2 , respectively). According to Bünecker et al (2017), this spe cies is known to present small subpopulations, with its distribution range being extremely threatened by the construction of small hydroelectric powerplants in the next few years ( Marchiori et al 2014 ). This might cause most or all known subpopulations to become extinct in the near future, since this species grows in rock walls near water bodies.…”
Section: Resultsmentioning
confidence: 99%
“…We recommend searching for new populations and monitoring of the known ones, as well as the maintenance of ex-situ populations in order to prevent the extinction of the species. The habitat losses caused by the dams in the Toropi river are the most significant threat (Marchiori et al 2014), but the disruption of its genetic integrity caused by the contact with other Petunia species must not be neglected.…”
Section: Taxonomic Treatmentmentioning
confidence: 99%
“…No Rio Grande do Sul foram localizadas duas populações: uma como epífita em capões de mata, em vegetação arbóreo-aberta associada a cornijas e cerros (Fig. 2d), na região oeste do estado (município de São Francisco de Assis), assim como T. loliacea; e outra, atipicamente como epífita em dossel de mata ciliar, às margens do curso médio do rio Toropi (município de Júlio de Castilhos), no rebordo do planalto meridional, na região central do estado, localidade onde sua população encontrase ameaçada pelos represamentos previstos com a implantação de Pequenas Centrais Hidrelétricas (Marchiori et al 2014).…”
Section: Tillandsia Bandensisunclassified