Successional Stages
Mostrando 13-24 de 43 artigos, teses e dissertações.
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13. Structure and floristic diversity of remnant semideciduous forest under varying levels of disturbance
The perturbation of Neotropical forests generates large disturbances in biological communities. The species that suffer least from the resulting habitat fragmentation are the pioneers, because they possess greater ability to inhabit disturbed environments. Therefore, it is expected that species diversity will be greater in areas subjected to intermediate dis
Acta Bot. Bras.. Publicado em: 2014-12
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14. Litter production and seed rain in semideciduous forest fragments at different successional stages in the western part of the state of Paraná, Brazil
We documented litter production and seed rain in fragments of semideciduous forest (SDF) in the western part of the state of Paraná, Brazil: a late successional fragment (LF); an early successional fragment (EF); and a reforested late successional fragment (RLF). In each fragment, we established three permanent plots with four litter traps each, correspondi
Acta Bot. Bras.. Publicado em: 2014-09
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15. Bryophyte flora in upland forests at different successional stages and in the various strata of host trees in northeastern Pará, Brazil
In the northeastern region of the Brazilian state of Pará, approximately 90% of the forested areas are secondary forests. Secondary forests are interesting areas for floristic studies aimed at determining the effects that clear-cutting has on bryophyte communities. The aim of this study was to compare upland forests at different successional stages and the
Acta Bot. Bras.. Publicado em: 2014-03
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16. Seed bank composition in a secondary forest in the Lower Delta of the Paraná River (Argentina)
The native forests once occupying the coastal levees of the Lower Delta islands of the Paraná River (in Argentina) have been replaced by commercial forests. Many of those forests have been abandoned, resulting in secondary forest formation that is subject to numerous invasive exotic species. A priori observations suggest that successional trends do not lead
Acta Bot. Bras.. Publicado em: 2013-03
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17. Comunidades de aves frugívoras e nectarívoras e disponibilidade de recursos em dois estádios sucessionais de regeneração de Mata Atlântica.
The availability of food resources in different degrees of regeneration of a forest may contribute to possible variations in species abundance and composition of bird communities. The main objective of this study is to investigate the relationship between the structure of frugivores and nectarivores bird communities and the availability of food resources - f
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 13/04/2012
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18. O banco de sementes do solo e a regeneração natural em diferentes estádios sucessionais de Floresta Estacional Semidecidual e de pastagem abandonada, Reserva Mata do Paraíso, Viçosa, MG / The soil seed bank and natural regeneration in different successional stages of semideciduous forest and abandoned pasture area, Mata do Paraíso Reserve, Viçosa, MG
Conhecer a resiliência de florestas fragmentadas e circundadas por áreas de pastagens por meio do estudo do banco de sementes do solo e da regeneração natural é importante ferramenta para definir ações de manejo e de restauração ecológica, no intuito de preservar o ecossistema ou acelerar o processo de sucessão. Um dos mais importantes fragmentos
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 28/03/2011
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19. Sensitivity of understorey bird species in two different successional stages of the lowland Atlantic Forest, Brazil
A Floresta Atlântica apresenta uma alta taxa de destruição e pouca informação disponível de alguns aspectos da biologia da avifauna neotropical. Alterações do ambiente são fatores importantes que influenciam nos recursos disponíveis para as aves. Nós comparamos o nível de sensibilidade das espécies de aves do sub-bosque de dois trechos em difere
Anais da Academia Brasileira de Ciências. Publicado em: 22/07/2011
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20. Efeito de diferentes comunidades de fungos micorrízicos arbusculares no crescimento de plantas nativas pertencentes aos diferentes grupos ecológicos da sucessão
The aim of this work was to evaluate the response of nine plant species belonging to different ecological successional groups to communities of arbuscular mycorrhizal fungal (AMF) from different plant successional stages. The experiment was carried out in greenhouse with three gramineous species, three pioneer woody species, and three late successional woody
IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia. Publicado em: 23/02/2010
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21. Sucessão secundária em áreas de Mata Atlântica de Pernambuco : mudanças florísticas e estruturais
Secondary forests have been considered as priority areas for conservation in tropical regions due to their possible role as buffer zones. They serve as habitats for plants and animals coming from destroyed mature forests and as corridors between forest fragments. They also have the capacity to accumulate biomass and nutrients at high rates, to maintain bioge
Publicado em: 2010
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22. Padrões de assembléia de aves frugíveras em diferentes estágios sucessionais na Mata Atlântica do sul do Brasil / Patterns of frugivorous birds assemblage in different successional stages in the southern Brazil Atlantic Forest
A composição e abundância de aves podem variar de acordo com diferentes graus de modificação de habitat, como quanto a estágios sucessionais e estrutura da vegetação. Dada a importância da dispersão de sementes pela avifauna no processo de sucessão florestal, o objetivo deste trabalho foi verificar a abundância, riqueza e composição da assembl�
Publicado em: 2010
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23. Efeitos antrÃpicos e variÃveis ambientais na formaÃÃo de um mosaico vegetacional em Floresta Estacional Semidecidual Montana em Itumirim, MG, Brasil / Anthropogenic effects and environmental variables in the formation of a vegetation mosaic in semideciduous seasonal forest montana in Itumirim, MG, Brasil.
The forest fragmentation is remarkable in the upper Rio Grande, southeastern Brazil, where is located the district of Itumirim. The study was performed in this region to compare trees from three sectors of a forest remnant on the basis of environmental variables and anthropogenic impacts occurring over time. The first sector suffered clear cutting and burnin
Publicado em: 2009
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24. Regeneração natural de espécies arbóreas em fragmento florestal da Zona da Mata Mineira / Natural regeneration of tree species in a Mountain Seasonal Semideciduous Forest fragment in the Atlantic Forest domain, southeastern Brazil
Tree species natural regeneration floristic composition was studied in a Mountain Seasonal Semideciduous Forest fragment in the domain of the Atlantic Forest, in southeastern Brazil (2045 S, 4255 W) to subsidize forest management. Ten sites were selected based on aspect, slope and topographic position. Natural regeneration indexes were estimated for each tre
Publicado em: 2009