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          Institute: MPI für Evolutionsbiologie     Collection: Tropical ecology     Display Documents

ID: 65154.0, MPI für Evolutionsbiologie / Tropical ecology
Floristic composition of a floodplain forest in the Anavilhanas archipelago, Brazilian Amazonia
Authors:Parolin, Pia; Adis, Joachim; Silva, Marlene Freitas da; Amaral, Iêda Leão do; Schmidt, Loki; Piedade, Maria Teresa F.
Date of Publication (YYYY-MM-DD):2003-12
Title of Journal:Amazoniana
Issue / Number:3/4
Start Page:399
End Page:411
Review Status:not specified
Audience:Not Specified
Abstract / Description:The Anavilhanas islands in Central Amazonia form the world's greatest freshwater archipelago. They are covered with floodplain forests which are periodically inundated, by the blackwater of the Rio Negro. Little is known to date about the forest cover, and this study presents a vegetation analysis as a first step towards describing the forest ecosystem of this unique ecosystem. In a plot of 50 x 30 m (0.15 ha), 267 trees were inventoried. Fifty one species belonging to 50 genera of 29 families were determined. The most common family was the Fabaceae, followed by Apocynaceae and Violaceae, both represented by a single species (Tabernaemontana rupicola and Amphirrhox longifolia, respectively). These two species had the highest number of individuals. The canopy structure showed three layers, the densest being at 5-8 m, the second at 14-19 m, and the third at 25-33 m. The vegetation in the study area contains tree species which are characteristic of the 'seasonal igapo', but also of whitewater floodplains and/or non-flooded terra firme. The analysed forest plot represents a mature stage of blackwater floodplain forest with a high number of species which have a wide distribution and an ample range of ecological requirements, and a low degree of local endemism
Free Keywords:Amazonia; blackwater; floodplain; inundation forest; igapo
External Publication Status:published
Document Type:Article
Communicated by:Pia Parolin
Affiliations:MPI für Limnologie/AG Tropenökologie
External Affiliations:Univ Amazonas, Inst Ciencias Biol, BR-69077000 Manaus, Amazonas, Brazil; INPA, Max Planck Project, BR-69011970 Manaus, Amazonas, Brazil
Relations:Is Version Of-EDOCID:12871
Identifiers:ISSN:0065-6755 [ID-No: 1]
LOCALID:2262/S 38119 [Listen-Nummer/S-Nummer]
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