Hostname: page-component-cd9895bd7-lnqnp Total loading time: 0 Render date: 2024-12-27T21:46:32.389Z Has data issue: false hasContentIssue false
  • English
  • Français

FLORISTICS AND PHYTOSOCIOLOGY OF THE GALLERY FOREST OF THE BACABA STREAM, NOVA XAVANTINA, MATO GROSSO, BRAZIL

Published online by Cambridge University Press:  04 July 2002

B. S. MARIMON ,
J. M. FELFILI  and
E. S. LIMA
B. S. MARIMON
Affiliation:
Universidade do Estado de Mato Grosso, Campus Universitário de Nova Xavantina, Departamento de Ciências Biológicas, Caixa Postal 08, 78690-000 Nova Xavantina-MT, Brazil
J. M. FELFILI
Affiliation:
Universidade de Brasília, Departamento de Engenharia Florestal, 70919-970 Brasília-DF, Brazil
E. S. LIMA
Affiliation:
Universidade do Estado de Mato Grosso, Campus Universitário de Nova Xavantina, Departamento de Ciências Biológicas, Caixa Postal 08, 78690-000 Nova Xavantina-MT, Brazil
Get access

Abstract

The study was carried out on the gallery forest of the Bacaba stream situated in the Municipal Ecological Reserve ‘Mário Viana’ (14°43′S, 52°21′W) in Nova Xavantina, Eastern Mato Grosso, Brazil. Three sections of the gallery (upper, middle and lower) running downstream and differing in slope were surveyed by stratified sampling. Fortyseven nested 10m × 10m plots were analysed in each section, giving a total sampling area of 1.41ha overall. All trees or lianas ≥ 15cm girth at breast height were recorded and a total of 129 species belonging to 105 genera and 47 families were found. Diversity was high, with the Shannon index ranging from 3.84 nats/individual in the lower section to 4.08 in the middle section. The most important families (IVI) were Caesalpiniaceae (upper and middle sections) and Arecaceae (lower section), and the most important species were Diospyros obovata (upper section), Hymenaea courbaril var. stilbocarpa (middle section) and Mauritia flexuosa (lower section). Morisita and Sørensen indices of similarity were calculated. The floristic composition was complex and included species in common with a number of Brazilian forest types and with cerrado (savanna), as well as many widespread species, but stronger links with Amazonian forests could be detected. This is to be expected since the area lies in the ecotonal zone of the cerrado and Amazonian forest biomes and the Bacaba stream itself is a tributary of the Mortes–Araguaia–Amazon river system.

Keywords

Amazoncerradogallery forestsphytosociologysavanna
Type
Research Article
Information
Edinburgh Journal of Botany , Volume 59 , Issue 2 , June 2002 , pp. 303 - 318
Copyright
© 2002 Trustees of the Royal Botanic Garden, Edinburgh

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)