Relação entre distribuição de espécies arbóreas e topografia em um gradiente florestal na Estação Ecológica do Panga (Uberlândia, MG)

Cardoso, Edivane; Schiavini, Ivan

doi:10.1590/s0100-84042002000300004

Cited by 38 publications

(48 citation statements)

References 20 publications

(25 reference statements)

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“…1). Until 1984, the area now occupied by the PES was extensively used as agricultural land (Cardoso & Schiavini 2002). The PES was acquired in 1986 by the Federal University of Uberlândia.…”

Section: Study Sitementioning

confidence: 99%

“…According to Moreno & Schiavini (2001), the gradient of fertility for the study site, represented by the values for base saturation and sum of bases, follows the sequence semideciduous forest > gallery forest > cerradão. The study site is located between elevations of 739 m and 773 m, thereabout, and the creek shows a mean declivity of approximately 0.18% (Cardoso & Schiavini 2002).…”

Section: Study Sitementioning

confidence: 99%

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Mortality, recruitment and growth of the tree communities in three forest formations at the Panga Ecological Station over ten years (1997-2007)

et al. 2014

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The area evaluated in this study was a continuous stretch comprising three vegetation formations: gallery forest, semideciduous seasonal forest and cerradão (woodland savanna). The aim of this study was to examine the tree community dynamics in a forest gradient-from gallery forest to cerradão-at Panga Ecological Station, in the city of Uberlandia, located in the state of Minas Gerais, Brazil. The study was based on data from a previous inventory of the continuous forest conducted in 211 permanent 10 × 10 m sample plots in eight parallel transect running perpendicular to Panga Creek. Trees with a diameter at breast height ≥ 4.77 cm were sampled in 1997, 2002 and 2007. With the exception of the cerradão, there was a net reduction in tree density over the studied period of ten years, because mortality rates were higher than the recruitment rates. The basal area increased during the period of the study, especially at cerradão. The mean mortality rate in the studied area was 2.64%.yr , respectively. In general, mortality rates and recruitment rates have increased during the two successive periods of measurement and showed an imbalance in favor of mortality for the semideciduous seasonal forest and the gallery forest. This fact, added to the low density and high basal area, suggest that there was a process of thinning in the tree community. However, at cerradão, there was an imbalance in favor of recruitment, with a consequent increase in density and basal area, indicating that the cerradão is in a construction phase, which was further favored by a decrease in the occurrence of fire and other anthropogenic disturbances. When the turnover rates are taken into consideration, the global dynamics of the study area over the ten years evaluated can be expressed as cerradão > semideciduous seasonal forest > gallery forest.

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Section: Study Sitementioning

confidence: 99%

Section: Study Sitementioning

confidence: 99%

Mortality, recruitment and growth of the tree communities in three forest formations at the Panga Ecological Station over ten years (1997-2007)

et al. 2014

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“…RES = Reservatório; BOMS = Bom Será; BRU = Brucutu; USI = Usina; BAR = Barragem. (Cardoso & Schiavini 2002;Oliveira-Filho et al 1994b;Botrel et al 2002) e constituição e regime de água dos solos (Oliveira-Filho et al 1994b;Botrel et al 2002;Souza et al 2003;Espírito-Santo et al 2002, Rocha et al 2005 são determinantes na distribuição de espécies arbóreas em fragmentos de florestas semidecíduas e montanas em geral. Diferenças encontradas na composição florística do estrato arbóreo são características marcantes das florestas tropicais (Giraldo-Cañas 2000;Oliveira Filho & Fontes 2000).…”

Section: Resultsunclassified

Estrutura do componente arbóreo de floresta estacional semidecidual montana secundária no Alto Rio Doce, Minas Gerais, Brasil

et al. 2009

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RESUMO(Estrutura do componente arbóreo de floresta estacional semidecidual montana secundária no Alto Rio Doce, Minas Gerais, Brasil) A Estação de Pesquisa e Desenvolvimento Ambiental de Peti, um mosaico sucessional, localizase na região mineradora do Alto Rio Doce, bacia do rio Santa Bárbara. Os objetivos deste estudo foram determinar a estrutura fitossociológica de cinco áreas de floresta em diferentes estádios sucessionais e avaliar relações entre vegetação e solo. Em cada área foram amostrados 48 pontos-quadrantes e medidas as alturas e circunferências (≥ 15 cm) dos troncos das árvores. No total, foram identificadas 45 famílias, 116 gêneros e 191 espécies. As famílias com maior número de espécies foram Fabaceae, Myrtaceae, Lauraceae, Melastomataceae, Euphorbiaceae, Rubiaceae. Pogonophora schomburgkiana, Cupania ludowigii, Astronium fraxinifolium e Mabea fistulifera foram espécies de maior valor de importância. A altura média dos indivíduos variou, entre as áreas, de 7,1 ± 2,1 a 9,2 ± 3,4 m e o diâmetro médio de 8,9 ± 5,1 a 12,1 ± 7,1 cm. Duas áreas apresentaram constituição florística diferentes, de acordo com o resultado da análise de similaridade. O índice de diversidade de Shannon para espécies foi 4,58 nats/indivíduo, o que indica alta diversidade, resultante da presença de mosaico sucessional. A área que sofreu corte seletivo apresentou maior riqueza florística em comparação as demais áreas estudadas, estando todas sobre solos pobres em nutrientes e com altos níveis de alumínio. Palavras-chave: fitossociologia, regeneração, sucessão vegetal, rio Santa Bárbara. ABSTRACT(Arboreal component structure of a Seasonal Secondary Semidecidual Montane Forest in the Upper Doce River, Minas Gerais, Brazil) The Estação de Pesquisa e Desenvolvimento Ambiental de Peti, a successional mosaic of forests, is located in a mining region at the Upper Doce River in the municipalities of Santa Bárbara and São Gonçalo do Rio Abaixo, Minas Gerais. The aim of this study was to describe the phytosociological structure and evaluate the relationship between vegetation and soil of five forest areas in different successional stages. In each area, we sampled 48 points using the Point-centered quarter method, and measured circunference at breast height (CBH≥ 15 cm) and heigh of trees. We registered a total of 45 families, 116 genera and 191 tree species. Families with highest number of species were Fabaceae, Myrtaceae, Lauraceae, Melastomataceae, Euphorbiaceae, Rubiaceae. Pogonophora schomburgkiana, Cupania ludowigii, Astronium fraxinifolium and Mabea fistulifera had the highest importance value index. Mean height ranged from 7.1 ± 2.1 to 9.2 ± 3.4 m and mean diameter from 8.9 ± 5.1 to 12.1 ± 7.1 cm. Two areas showed different floristic composition, according to similarity analysis. Shannon Diversity Index was 4.58 nats/individual, indicating considerable diversity, a result of the successional mosaic. The area submitted to selective cut presented highest floristic richness in comparison to the other areas analyzed, all of them occurri...

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“…Panga) abrange 409,5 ha e está situada 30 km ao sul do centro da cidade de Uberlândia, MG, entre as coordenadas 19°09'20"-19°11'10"S e 48°23'20"-48°24'35"W, entre 740-840 m de altitude (Araújo et al 2002). A área apresenta fisionomias comuns do bioma Cerrado como campestres (campo úmido e veredas), savânicas (campo sujo, campo cerrado, cerrado s.s.) e florestais (cerradão, mata mesófila semidecídua de encosta e de galeria) (Schiavini & Araújo 1989, Cardoso & Schiavini 2002, Ranal 2003.…”

Section: Methodsunclassified

Thelypteris subg. Goniopteris e Meniscium (Thelypteridaceae) da Estação Ecológica do Panga, Uberlândia, Minas Gerais, Brasil

Arantes

Ranal

Prado

2007

Hoehnea

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-(Thelypteris subg. Goniopteris and Meniscium (Thelypteridaceae) of the Ecological Station of Panga, Uberlândia, Minas Gerais, Brazil). This paper presents the taxonomic treatment for the species of Thelypteris, subgenera Goniopteris and Meniscium, collected in the Ecological Station of Panga. Thelypteridaceae is one of the richest families in the area, with 14 species of Thelypteris segregated in four subgenera (Amauropelta, Cyclosorus, Goniopteris, and Meniscium).

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Relação entre distribuição de espécies arbóreas e topografia em um gradiente florestal na Estação Ecológica do Panga (Uberlândia, MG)

Cited by 38 publications

References 20 publications

Mortality, recruitment and growth of the tree communities in three forest formations at the Panga Ecological Station over ten years (1997-2007)

Mortality, recruitment and growth of the tree communities in three forest formations at the Panga Ecological Station over ten years (1997-2007)

Estrutura do componente arbóreo de floresta estacional semidecidual montana secundária no Alto Rio Doce, Minas Gerais, Brasil

Thelypteris subg. Goniopteris e Meniscium (Thelypteridaceae) da Estação Ecológica do Panga, Uberlândia, Minas Gerais, Brasil

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