Please use this identifier to cite or link to this item: https://repositorio.inpa.gov.br/handle/1/38092
Title: Predicting the potential distribution of aquatic herbaceous plants in oligotrophic central amazonian wetland ecosystems
Authors: Fernandez Piedade, Maria Teresa
Souza, Sthefanie Do Nascimento Gomes de
Schöngart, Jochen
Silva, Jeisiane Santos da
Cruz, Jefferson da
Santiago, Ivone Neri
Wittmann, Florian Karl
Ferreira, Cristiane Silva
Ferreira, Aurélia Bentes
Franco, Augusto C.
Demarchi, Layon Oreste
Lopes, Aline
Keywords: Aquatic macrophytes
Issue Date: 2021
metadata.dc.publisher.journal: Acta Botanica Brasilica
metadata.dc.relation.ispartof: Volume 35, Edição 1, Págs 22 - 36
Abstract: Aquatic herbaceous plants are especially suitable for mapping environmental variability in wetlands, as they respond quickly to environmental gradients and are good indicators of habitat preference. We describe the composition of herbaceous species in two oligotrophic wetland ecosystems, floodplains along black-water rivers (igapó) and wetlands upon hydromorphic sand soils (campinarana) in the Parque Nacional do Jaú and the Reserva de Desenvolvimento Sustentável Uatumã in Central Amazonia, both protected areas. We tested for the potential distribution range (PDR) of the most frequent species of these ecosystems, which are the ones that occurred in at least two of the sampled wetlands, using species distribution models (SDMs). In total, 98 aquatic herbaceous species were recorded, of which 63 occurred in igapós and 44 in campinaranas. Most igapó species had ample PDRs across the Neotropics, while most campinaranas species were restricted to the Amazon Basin. These results are congruent with studies that described similar distribution patterns for tree and bird species, which emphasizes a high degree of endemism in Amazonian campinarana. However, we also found differences in the potential distribution of species between the two protected areas, indicating high environmental variability of oligotrophic ecosystems that deserve further investigation to develop effective measures for their conservation and protection. © 2021, Sociedade Botanica do Brasil. All rights reserved.
metadata.dc.identifier.doi: 10.1590/0102-33062020abb0188
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