Composição Florística do Estrato Arbóreo na RPPN Porangaba em Itaguaí, Estado do Rio de Janeiro, Brasil

Gandra, Mateus Figueira; Nunes-Freitas, André Felippe; Schutte, Michel

doi:10.4322/floram.2011.026

Cited by 2 publications

(1 citation statement)

References 9 publications

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“…Among the other species with high importance value in Mata do Peixoto, Cupania oblongifolia, Astronium graveolens, and Astrocaryum aculeatissimum stand out for their broad distribution in forests of the state, particularly in formations at the late natural regeneration stage (Borém & Oliveira-Filho, 2002;Carvalho & Nascimento, 2009;Neves & Peixoto, 2008). On the other hand, Piptadenia gonoacantha and Nectandra membranacea mostly occur in forests at early regeneration stage, but large-sized individuals were also found in communities at intermediate regeneration stage, both in dense rainforests (Cysneiros et al, 2015;Gandra et al, 2011;Guedes-Bruni et al, 2006) and semi-deciduous seasonal forests (Dan et al, 2010).…”

Section: Discussionmentioning

confidence: 99%

Pedoforms Microclimate and Seasonal Forest Structure in Médio Vale do Paraíba

et al. 2020

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In the Rio de Janeiro State, the Atlantic Forest is restricted to small fragments, responsible for the maintenance of environmental services. These fragments occur on steep slopes dominated by concave and convex pedoforms, capable of changing the local microclimate conditions. To preserve these communities, it is necessary to determine the level of influence of these pedoforms on forests structure and species distribution. Thus, we performed a phytosociological study and installed a set of four sensors to determine the monthly mean of air temperature and relative humidity in concave and concave pedoforms. The forest structure and the microclimate averages are compared by the Levene's T-test. We observed differences between microclimatic average, importance value indexes (IVIs) and total height, indicating that microclime variations can influence the structure and composition of the tree community. However, these structure differences are punctual and insufficient to determine specific communities.

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Section: Discussionmentioning

confidence: 99%

Pedoforms Microclimate and Seasonal Forest Structure in Médio Vale do Paraíba

et al. 2020

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

et al. 2015

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The State of Rio de Janeiro still holds unknown portions of the Atlantic Forest, which represent gaps in the knowledge of this ecosystem. Paracambi and neighbor municipal districts comprise a vast stretch of virtually unknown forest that makes up part of the Serra do Mar biodiversity corridor. The following study describes the tree community structure in a stretch of the ombrophilous Atlantic Forest, in the Parque Natural Municipal do Curió (Curio MNP), Paracambi, Rio de Janeiro, which serves as the basis to evaluate species diversity and conservation status. The altitudes in the area ranges from 100 to 690 m and the climate varies from mild subtropical to tropical hot and humid. Forty plots (10x10m) were randomly placed along the area, where all the stems equal to or greater than five centimeters (5 cm) diameter at breast high from ground level were measured. A total of 749 individuals, pertaining to 128 genera and 210 species were recorded, eight of which are listed as threatened of extinction in the Brazilian flora. The Shannon-Weaver diversity index (H′) was 4.7 nat.ind.-1 and the species with greater importance value was Pseudopiptadenia contorta (1.6460 m2; 18 individuals) while the most common species wereSenefeldera vertcilata (48) and Actinostemon verticilatus (47 individuals). Despite the sample area being a little smaller than that commonly adopted in tropical studies, data pointed to a richness hitherto not registered in any other study for the State of Rio de Janeiro, no matter the inclusion criteria used, and also confirmed by the two estimator indices used, which have revealed very similar results. The vertical forest structure, the values associated to the successional stage of the species and other aspects of community structure indicate that the Curio MNP encompasses forest stretches in advanced stages of ecological succession. Besides its key location for the connectivity of forest fragments in the region, the results emphasize the ecological importance of this forest remnant and the need for its conservation.

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Composição Florística do Estrato Arbóreo na RPPN Porangaba em Itaguaí, Estado do Rio de Janeiro, Brasil

Cited by 2 publications

References 9 publications

Pedoforms Microclimate and Seasonal Forest Structure in Médio Vale do Paraíba

Pedoforms Microclimate and Seasonal Forest Structure in Médio Vale do Paraíba

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

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