5 Works

Databank floristics, phytogeography and environmental factors of the Brazilian Middle North Savannas

Joxleide Costa-Coutinho, Mário Jardim & Antonio Alberto Castro
Neotropical savannas are distributed in the Brazilian territory under different phytophysiognomies. The richness of these landscapes is so variable that less than 15% of the diversity is maintained throughout its range. In order to understand the distribution patterns of Cerrado vegetation and the differentiation of northern ecotonal communities, we used a database of 482 communities, with accumulation of 1221 woody species. Similar composition patterns were calculated between “areal” floras (typical of each area), where the...

Data from: Earth history and the passerine superradiation

Carl H. Oliveros, Daniel J. Field, Daniel T. Ksepka, F. Keith Barker, Alexandre Aleixo, Michael J. Andersen, Per Alström, Brett W. Benz, Edward L. Braun, Michael J. Braun, Gustavo A. Bravo, Robb T. Brumfield, R. Terry Chesser, Santiago Claramunt, Joel Cracraft, Andrés M. Cuervo, Elizabeth P. Derryberry, Travis C. Glenn, Michael G. Harvey, Peter A. Hosner, Leo Joseph, Rebecca T. Kimball, Andrew L. Mack, Colin M. Miskelly, A. Townsend Peterson … & Brant C. Faircloth
Avian diversification has been influenced by global climate change, plate tectonic movements, and mass extinction events. However, the impact of these factors on the diversification of the hyperdiverse perching birds (passerines) is unclear because family level relationships are unresolved and the timing of splitting events among lineages is uncertain. We analyzed DNA data from 4,060 nuclear loci and 137 passerine families using concatenation and coalescent approaches to infer a comprehensive phylogenetic hypothesis that clarifies relationships...

Data from: Evolutionary diversity in tropical tree communities peaks at intermediate precipitation

Danilo M. Neves, Kyle G. Dexter, Timothy R. Baker, Fernanda Coelho De Souza, Ary T. Oliveira-Filho, Luciano P. Queiroz, Haroldo C. Lima, Marcelo F. Simon, Gwilym P. Lewis, Ricardo A. Segovia, Luzmila Arroyo, Carlos Reynel, José L. Marcelo-Peña, Isau Huamantupa-Chuquimaco, Daniel Villarroel, G. Alexander Parada, Aniceto Daza, Reynaldo Linares-Palomino, Leandro V. Ferreira, Rafael P. Salomão, Geovane S. Siqueira, Marcelo T. Nascimento, Claudio N. Fraga & R. Toby Pennington
Global patterns of species and evolutionary diversity in plants are primarily determined by a temperature gradient, but precipitation gradients may be more important within the tropics, where plant species richness is positively associated with the amount of rainfall. The impact of precipitation on the distribution of evolutionary diversity, however, is largely unexplored. Here we detail how evolutionary diversity varies along precipitation gradients by bringing together a comprehensive database on the composition of angiosperm tree communities...

Islands in a green ocean: spatially structured endemism in Amazonian white-sand vegetation

Flavio Costa, Mario Terra-Araújo, Charles Zartman, Cintia Cornelius, Fernanda Carvalho, Michael Hopkins, Pedro Viana, Eduardo Prata & Alberto Vicentini
Here, we examine the influence of the spatial distribution of open White-Sand Campina (WSC) in the Amazon on the species richness and beta-diversity of their vascular plants. It is well known that beta-diversity tends to increase with geographical distance, but the influence of habitat insularity on floristic composition and endemism is still unclear. We surveyed WSC in Central and Southwestern Amazon, generating lists of species occurrences by rapid-inventory techniques to evaluate the influence of island...

Data from: Testing main Amazonian rivers as barriers across time and space within widespread taxa

Renata Pirani, Fernanda Werneck, Andréa Thomaz, Mariah Kenney, Marcelo Sturaro, Teresa Cristina Avila-Pires, Pedro Peloso, Miguel Rodrigues & L. Lacey Knowles
Aim: Present Amazonian diversity patterns can result from many different mechanisms and, consequently, the factors contributing to divergence across regions and/or taxa may differ. Nevertheless, the river-barrier hypothesis (RBH) is still widely invoked as a causal process in divergence of Amazonian species. Here we use model-based phylogeographic analyses to test the extent to which major Amazonian rivers act similarly as barriers across time and space in two broadly distributed Amazonian taxa. Local: Amazon rainforest. Taxon:...

Registration Year

  • 2019
    5

Resource Types

  • Dataset
    5

Affiliations

  • Museu Paraense Emílio Goeldi
    5
  • National Institute of Amazonian Research
    2
  • University of Sao Paulo
    2
  • University of Kansas
    1
  • University of Bath
    1
  • University of Michigan–Ann Arbor
    1
  • Universidade Federal do Piauí
    1
  • University of Georgia
    1
  • Royal Ontario Museum
    1
  • State University of Norte Fluminense
    1