Speciation in amazonian forest birds

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August undefined, 2024

WebIn close communication with evolutionary biologist Ernst Mayr since the early 1960s, Haffer formulated his ideas on the diversification of birds and the effects of barriers. In 1978 … WebWe propose Amazonian understorey forest birds speciate slowly via gradual accumulation of postzygotic genetic incompatibilities, with prezygotic barriers playing a less important role. ... 2015 Hybridization in headwater regions, and the role of rivers as drivers of speciation in Amazonian birds. Evolution 69, 1823–1834.

Quaternary climate changes as speciation drivers in the Amazon ...

WebAmazonian rivers have been proposed to act as geographic barriers to species dispersal, either driving allopatric speciation or defining current distribution limits. The strength of the barrier varies according to the species' ecological … WebIn document Hybrid Zones and Hybrid Speciation in Amazonian Birds (Page 60-109) 4 Analysis of an Amazonian flooded forest hybrid zone 4.4 Discussion. Mettler and Spellman, 2009; Toews et al., 2011; Kingston et al., 2012; Seneviratne et al., 2012; Gowen et al., 2014; Walsh et al., 2016). massage studio st pete fl

(PDF) Quaternary climate changes as speciation drivers in the Amazon …

WebLarge Amazonian rivers impede dispersal for many species, but lowland river networks frequently rearrange, thereby altering the location and effectiveness of river barriers through time. These rear... WebLittle flocks of Black-capped Chickadees enliven the winter woods with their active behavior and their cheery-sounding chick-a-dee callnotes as they fly from tree to tree, often … WebApr 14, 2024 · The regional biota has been assembled over time because of speciation in situ and biotic exchanges with other rainforest regions and the adjacent ecoregions. Currently, there are 485 bird... date limite utilisation ticket resto 2022

River network rearrangements promote speciation in lowland …

Climate change and bird extinctions in the Amazon PLOS ONE

WebMar 11, 2024 · We conducted a comparative phylogenomic analysis of floodplain forest birds to explore the effects of historical environmental changes and current connectivity on population differentiation. Our findings support a similar demographic history among species complexes, indicating that the central portion of the Amazon River basin is a … WebHere we assess whether this form of sensory drive-often termed "acoustic adaptation"-can generate signal divergence across ecological gradients. By studying avian communities in two Amazonian forest types, we show that songs of 17 "bamboo-specialist" bird species differ in predictable ways from their nearest relatives in adjacent terra firme ... date limite tva parisWebSpeciation in amazonian forest birds. Haffer J Science , 01 Jul 1969, 165 (3889): 131-137 DOI: 10.1126/science.165.3889.131 PMID: 17834730 Share this article Abstract No … massagetae pronunciation

"WebFirst, bamboo forest and terra firme forest are relatively similar in structure, both having tall trees and a dense understory. Moreover, phylogenetic data confirm that Amazonian “bamboo-specialist” birds evolved from terra firme species (e.g., Brumfield et al. 2007; Irestedt et al. 2009). We can therefore be certain that we are focusing on ... " - Speciation in amazonian forest birds

Speciation in amazonian forest birds

Habitat Association Predicts Genetic Diversity and

WebJan 1, 2006 · We present a revision of the concept of Neotropical Pleistocene Forest Refuges and test it in the light of paleocological studies derived from pollen analysis of … WebApr 8, 2024 · Large Amazonian rivers have long been recognized as strong dispersal barriers for vertebrates of upland forests (Capparella, 1991;Moraes et al., 2016;Wallace, 1852), and are an especially strong...

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WebSpecies forming a complex have typically diverged very recently from each other, which sometimes allows the retracing of the process of speciation.Species with differentiated populations, such as ring species, are sometimes seen as an example of early, ongoing speciation: a species complex in formation.Nevertheless, similar but distinct species have … WebFeb 2, 2024 · At broad scales in the Amazon, it is often hypothesized that species distributions are limited by geographical barriers, such as large rivers (river-barrier hypothesis). This hypothesis has been...

WebMar 1, 2024 · The role of climate as a speciation driver in the Amazon has long been discussed. Phylogeographic studies have failed to recover synchronous demographic responses across taxa, although recent... WebNov 15, 2024 · 1 River network rearrangements promote speciation in lowland Amazonian birds Authors and Affiliations: Lukas J. Musher1,2,†, Melina Giakoumis3,4, James Albert5, Glaucia Del-Rio6,7, Marco Rego6,7, Gregory Thom2, Alexandre Aleixo8,9,10, Camila C. Ribas 11, Robb T. Brumfield6,7, Brian Tilston Smith2, Joel Cracraft2 1 Department of …

WebSpeciation in amazonian forest birds. Speciation in amazonian forest birds. Speciation in amazonian forest birds Science. 1969 Jul 11;165(3889):131-7. doi: … WebRainforest Biodiversity and Speciation. Region: Africa (Cameroon, Equatorial Guinea, Ivory Coast), Australia, South America (Ecuador) These projects seek to understand the mechanisms important in generating rainforest biodiversity. Results from research on birds in Cameroon and reptiles in Australia strongly suggest that these transition zones ...

WebRecent studies suggest that speciation in terrestrial vertebrates occurs primarily by allopatric speciation, with high species richness in the Amazon representing the outcome of repeated cycles of geographic isolation, speciation, and range expansions ( 18 ).

WebHere, we examine the link between habitat association and genetic parameters using 20 pairs of closely related Amazonian bird species in which one member of the pair occurs primarily in forest edge and floodplains and the other occurs in upland forest interior. massagetal zwavelWebSpeciation in Amazonian Forest Birds: Jürgen Haffer Authors Info & Affiliations Science 11 Jul 1969 Vol 165, Issue 3889 pp. 131 - 137 DOI: 10.1126/science.165.3889.131 References eLetters (0) Formats available You can view the full content in the following formats: … massagetascheWebJul 8, 2009 · Available at ABC’s Climate Change and Birds web page. Nores M (1992) Bird speciation in subtropical South America in relation to forest expansion and retraction. Auk 109:346–357. Google Scholar Nores M (1999) An alternative hypothesis for the origin of Amazonian bird diversity. J Biogeogr 24:475–485 massagetafel accessoiresWebThe majority of the Amazonian forest birds that reached the trans-Andean lowlands came around the Andes from the north. However, a small group seems to have followed the upper Marañon Valley to cross the Andes in northern Perú or southern Ecuador (or both) during wet climatic periods of the past. massagetafel body supreme deluxeWebadshelp[at]cfa.harvard.edu The ADS is operated by the Smithsonian Astrophysical Observatory under NASA Cooperative Agreement NNX16AC86A datelina purpurova osivoWebJul 10, 2009 · From a total of 441 resident species found in the rainforest zone, 248 were regularly recorded within the 100-ha plot, 157 of which had mean densities of more than 1 … datelina cervenaWebJSTOR Home massage target crossword puzzle clue