Diversity, community structure and conservation status of an Atlantic Forest fragment in Rio de Janeiro State, Brazil

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Biota Neotropica 15(2): e20140132, 2015

  Strategies for biodiversity conserva- tion in the state (Bergalho 2009) call attention to the lack ofcomposition of the tree component within a forest fragment of the Curio MNP, including comparison of its richness to otherforested areas in the State of Rio de Janeiro, and characteriza- tion of its horizontal and vertical structures to evaluate theconservation status of this vegetation. Paracambi is located at the southern limit of the metropolitan region of thestate, and the area of the Curio MNP lies at the limits of the municipality, bordering the Middle Paraı´ba River and South-Central regions of the state (Bergalho 2009).

6 N

  These first six species accounted for 20.77% of the importance value and 24.1% of the coverage value (CV), highlighting the importance of these taxa in theforest structure of the Curio MNP. Although higher richness was registered to the Atlantic Among the studied tree communities in the State, a greatervalue for basal area than that found in this survey was only found by Kurtz & Arau´jo (2000) in the Estac¸a˜o Ecolo´gicaParaiso (57.28 m 2/ha), mainly due to the presence of large remaining individuals.

2 G= genus; F= Family; H’= Shannon-Weaver index of diversity; Ba basal area (m /ha); and Dens= density of individuals (ind/ha)

Ba Dens AmostralStudied area N S G F H’ Method Criteria Reference 2 (m /ha) (ind/ha) area

4 A ´ rea de Protec¸a˜o 1193

  It should be emphasized, however, that the vertical structure of tropical forests is still little studied,especially because of the difficulty in precise measurement of this variable in native forests and in its analysis (Guilherme et al.2004; Machado & Figueiredo-Filho, 2006). The high diversity and species richness registered, despite the small sample area, is a strong indication of the goodcondition of the vegetation of the Curio MNP.

III. Bot. J. Linn. Soc. 161: 105-121

  Memorias del II Simpo´sio Ecuatoriano de Estrutura e composic¸a˜o florı´stica do estrato arbo´reo de um remanescente de Mata Atlaˆntica Sub-Montana no municı´pio deRio Bonito, RJ, Brasil (Mata Rio Vermelho). Estrate´gias e ac¸o˜es para a conservac¸a˜o da biodiversidade no Estado do Rio de Janeiro ARAU ´ JO, F.

CARVALHO, F.A., BRAGA, J.M.A., GOMES, J.M.L., SOUZA, J.S

  A comparison of dispersal, germination and establishment of woody plants subjected to distinct floodingregimes in Brazilian flood-prone forest and estuarine vegetation. Atlantic Forest floristic composition for the slopes of the Santa Lu´cia Biological Station,municipality of Santa Teresa-ES.

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