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CAMPOS DE ALTITUDE NA SERRA DO MAR PARANAENSE: ASPECTOS FLORÍSTICOS

Authors: Alan Yukio Mocochinski; Mauricio Bergamini Scheer;

CAMPOS DE ALTITUDE NA SERRA DO MAR PARANAENSE: ASPECTOS FLORÍSTICOS

Abstract

O presente trabalho teve o objetivo de estudar a composição florística de seis áreas de ocorrência de campos de altitude na Serra do Mar no estado do Paraná. Foram detectadas 280 espécies vegetais vasculares, pertencentes a 73 famílias, sendo 63 angiospermas (260 espécies), 8 pteridófitas (18 espécies) e 2 gimnospermas (2 espécies). A família com maior riqueza específica foi Asteraceae, com 44 espécies (15,7% do total), seguida por Poaceae (31; 11%), Melastomataceae (17; 6%) e Cyperaceae (16; 5,7%). A Serra do Ibitiraquire, onde ocorre o maior trecho da formação estudada, apresentou a maior riqueza de espécies (224 espécies), e o menor trecho, na Serra da Pedra Branca do Araraquara, apresentou a menor riqueza (71). Apenas 17 espécies (6% do total) foram detectadas em todas as áreas e 137 espécies (49%) são exclusivas de uma das áreas. Observou-se uma associação negativa e moderada entre a similaridade florística e a distância entre as áreas de ocorrência. Também foram reportadas algumas ameaças aos Campos de Altitude no Paraná, com destaque para a invasão biológica por Pinus sp., a conduta inadequada em ambientes de montanha e as obras de infra-estrutura de telecomunicações.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
16
Top 10%
Top 10%
Average
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