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      Diversity high up: a cloud forest of the Serra da Mantiqueira as a vascular epiphyte hotspot

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          Abstract

          Abstract The diversity of montane environments is dictated by a variety of environmental conditions. Parque Estadual do Ibitipoca is located in the Serra da Mantiqueira, between ~1,000-1,800 m, and harbors approximately 300 ha of cloud forests. The composition of vascular epiphytes was determined by analyzing data from expeditions conducted between July 2014 and July 2015, and specimens deposited at herbaria. The 224 species were distributed into 82 genera of which Pleurothallis s.l. was the richest (13 spp.) and 23 families of which Orchidaceae was the richest (87 spp.). This richness corresponds to approximately 9.5% of the vascular epiphytic flora of the Atlantic Forest concentrated in an area that comprises 0.00085% of this phytogeographic domain, which represents one of the largest diversities ever sampled in the Brazilian Atlantic Forest. This fact is more relevant given that 13 species are threatened at the country level and 23 at the state level.

          Translated abstract

          Resumo A diversidade dos ambientes montanos é condicionada por inúmeras variáveis ambientais. O Parque Estadual do Ibitipoca está localizado na Serra da Mantiqueira, entre ~1.000-1.800 m, e abriga cerca de 300 ha de florestas nebulares. A composição de epífitas vasculares foi determinada pela análise dos dados de expedições, realizadas entre julho de 2014 e julho de 2015, e espécimes depositados em herbários. Foram registradas 224 espécies distribuídas em 82 gêneros dos quais Pleurothallis s.l. foi o mais rico (13 spp.) e 23 famílias das quais Orchidaceae foi a mais rica (87 spp.). Esta riqueza corresponde a aproximadamente 9,5% da flora de epífitas vasculares da Floresta Atlântica concentrados em uma área que compreende 0,00085% deste domínio fitogeográfico, representando uma das maiores diversidades já amostradas na Floresta Atlântica brasileira. Este fato é ainda mais relevante tendo em conta que 13 espécies estão ameaçadas a nível nacional e 23 em nível estadual.

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          A linear sequence of extant families and genera of lycophytes and ferns

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            The systematic distribution of vascular epiphytes - a critical update

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              Diversity patterns of vascular epiphytes along an elevational gradient in the Andes

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                Author and article information

                Contributors
                Role: ND
                Role: ND
                Journal
                rod
                Rodriguésia
                Rodriguésia
                Instituto de Pesquisas Jardim Botânico do Rio de Janeiro (Rio de Janeiro, RJ, Brazil )
                0370-6583
                2175-7860
                June 2018
                : 69
                : 2
                : 263-279
                Affiliations
                [3] Juiz de Fora Minas Gerais orgnameUniversidade Federal de Juiz de Fora orgdiv1Inst. Ciências Biológicas orgdiv2Depto. Botânica Brazil
                [2] Juiz de Fora Minas Gerais orgnameUniversidade Federal de Juiz de Fora orgdiv1Inst. Ciências Biológicas orgdiv2Prog. Pós-graduação em Ecologia Brazil
                Article
                S2175-78602018000200263
                10.1590/2175-7860201869201
                6ff56d11-bf52-4a2b-b74f-b2354eec3125

                This work is licensed under a Creative Commons Attribution 4.0 International License.

                History
                : 15 June 2017
                : 12 September 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 52, Pages: 17
                Product

                SciELO Brazil


                epifitismo,Parque Estadual do Ibitipoca,Floresta Atlântica,nanofloresta,quociente epifítico,Dwarf-forest,epiphytic quotient,Atlantic Forest,epiphytism

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