16 Works

Data from: Highly masculinized and younger males attain higher reproductive success in a social rodent

Loreto A. Correa, Cecilia León, Juan Ramírez-Estrada, Alvaro Ly-Prieto, Sebastian Abades, Loren D. Hayes, Mauricio Soto-Gamboa & Luis A. Ebensperger
Abstract: Alternative morphotypes have been reported in males of different taxa. In some mammals highly masculinized and slightly masculinized males represent two opposite ends along a gradient of phenotypic variation in males. This phenotypical gradient originates during prenatal development. Laboratory studies have documented how highly and slightly masculinized males differ in several traits, including their reproductive success. However, the extent to which these reported differences materialize in natural populations remains unknown. We quantified the impact...

Data from: Y chromosome sequences reveal a short Beringian Standstill, rapid expansion, and early population structure of Native American founders

Thomaz Pinotti, Susana Revollo, Cézar Paz-Y-Miño, Ricardo Fujita, Fabrício Rodrigues Santos, Chris Tyler-Smith, Toomas Kivisild, Qasim Ayub, Anders Bergström, Yali Xue, Cinthia Cuellar, Dominique Ohasi, Daniela R. Lacerda, Marilza S. Jota, José E. Santos & Arne Solli
The Americas were the last inhabitable continents to be occupied by humans, with a growing multidisciplinary consensus for entry 15-25 thousand years ago (kya) from northeast Asia via the former Beringia land bridge. Autosomal DNA analyses have dated the separation of Native American ancestors from the Asian gene pool to 23 kya or later, and mtDNA analyses to ~25 kya, followed by isolation (‘Beringian Standstill’) for 2.4-9 ky and then a rapid expansion throughout the...

Data from: Effects of UVB radiation on grazing of two cladocerans from high-altitude Andean lakes

Carla Eloisa Fernandez & Danny Rejas
Climate change and water extraction may result in increased exposition of the biota to ultraviolet-B radiation (UVB) in high-altitude Andean lakes. Although exposition to lethal doses in these lakes is unlikely, sub-lethal UVB doses may have strong impacts in key compartments such as zooplankton. Here, we aimed at determining the effect of sub-lethal UVB doses on filtration rates of two cladoceran species (Daphnia pulicaria and Ceriodaphnia dubia). We firstly estimated the Incipient Limiting Concentration (ILC)...

Data from: Taxonomic and phylogenetic determinants of functional composition of Bolivian bat assemblages

Luis F. Aguirre, Flavia A. Montaño-Centellas, M. Mercedes Gavilanez, Richard D. Stevens, Luis Acosta, Marcos F. Terán, M. Gabriela Flores-Saldaña & Aideé Vargas
Understanding diversity patterns and the potential mechanisms driving them is a fundamental goal in ecology. Examination of different dimensions of biodiversity can provide insights into the relative importance of different processes acting upon biotas to shape communities. Unfortunately, patterns of diversity are still poorly understood in hyper-diverse tropical countries. Here, we assess spatial variation of taxonomic, functional and phylogenetic diversity of bat assemblages in one of the least studied Neotropical countries, Bolivia, and determine whether...

Data from: BIOVERA-Tree: tree diversity, community composition, forest structure and functional traits along gradients of forest-use intensity and elevation in Veracruz, Mexico

María Leticia Monge González, Patrick Weigelt, Nathaly Guerrero Ramírez, Dylan Craven, Gonzalo Castillo Campos, Thorsten Krömer & Holger Kreft
Here, we describe BIOVERA-Tree, a database on tree diversity, community composition, forest structure, and functional traits collected in 120 forest plots distributed along an extensive elevational gradient in Veracruz State, Mexico. BIOVERA-Tree includes information on forest structure from three levels of forest-use intensity, namely old-growth, degraded, and secondary forest, replicated across eight elevations from sea-level to near the tree line at 3500 m and on size and location of 4549 tree individuals with a diameter...

Broad- and small-scale environmental gradients drive variation in chemical, but not morphological, leaf traits of vascular epiphytes

Valeria Guzmán-Jacob, Nathaly Guerrero Ramirez, Dylan Craven, Gustavo Brant Paterno, Amanda Taylor, Thorsten Kromer, Wolfgang Wanek, Gerhard Zotz & Holger Kreft
Variation in leaf functional traits along environmental gradients can reveal how vascular epiphytes respond to broad- and small-scale environmental gradients. Along elevational gradients, both temperature and precipitation likely play an important role as drivers of leaf trait variation, but these traits may also respond to small-scale changes in light, temperature, and humidity along the vertical environmental gradient within forest canopies. However, the relative importance of broad- and small-scale environmental gradients as drivers of variation in...

Data from: Ecological host fitting of Trypanosoma cruzi TcI in Bolivia: mosaic population structure, hybridization and a role for humans in Andean parasite dispersal

Louisa A. Messenger, Lineth Garcia, Mathieu Vanhove, Carlos Huaranca, Marinely Bustamante, Marycruz Torrico, Faustino Torrico, Michael A. Miles & Martin S. Llewellyn
An improved understanding of how a parasite species exploits its genetic repertoire to colonize novel hosts and environmental niches is crucial to establish the epidemiological risk associated with emergent pathogenic genotypes. Trypanosoma cruzi, a genetically heterogeneous, multi-host zoonosis, provides an ideal system to examine the sylvatic diversification of parasitic protozoa. In Bolivia, T. cruzi I, the oldest and most widespread genetic lineage, is pervasive across a range of ecological clines. High-resolution nuclear (26 loci) and...

Data from: Ecotypic differentiation under farmers’ selection: molecular insights into the domestication of Pachyrhizus Rich. ex DC. (Fabaceae) in the Peruvian Andes

Marc Delêtre, Beatriz Soengas, Prem Jai Vidaurre, Rosa Isela Meneses, Octavio Delgado Vásquez, Isabel Oré Balbín, Monica Santayana, Bettina Heider & Marten Sørensen
Understanding the distribution of crop genetic diversity in relation to environmental factors can give insights into the eco-evolutionary processes involved in plant domestication. Yam beans (Pachyrhizus Rich. ex DC.) are leguminous crops native to South and Central America that are grown for their tuberous roots but are seed-propagated. Using a landscape genetic approach, we examined correlations between environmental factors and phylogeographic patterns of genetic diversity in Pachyrhizus landrace populations. Molecular analyses based on chloroplast DNA...

Data from: The positive side of a negative reference: the delay between linguistic processing and common ground

Edmundo Kronmüller, Ira Noveck, Natalia Rivera, Francisco Jaume-Guazzini & Dale Barr
Interlocutors converge on names to refer to entities. For example, a speaker might refer to a novel looking object as the jellyfish and, once identified, the listener will too. The hypothesized mechanism behind such referential precedents is a subject of debate. The common ground view claims that listeners register the object as well as the identity of the speaker who coined the label. The linguistic view claims that, once established, precedents are treated by listeners...

Soil quality, leaf litter quality, and microbial biomass interactively drive soil respiration in a microcosm experiment

Mengyun Liu, Simone Cesarz, Nico Eisenhauer, Hanping Xia, Shenglei Fu & Dylan Craven

Data from: Photos provide information on age, but not kinship, of Andean bear

Russell C. Van Horn, Becky Zug, Robyn D. Appleton, Ximena Velez-Liendo, Susanna L. Paisley, Corrin LaCombe & Susanna Paisley
Using photos of captive Andean bears of known age and pedigree, and photos of wild Andean bear cubs <6 months old, we evaluated the degree to which visual information may be used to estimate bears’ ages and assess their kinship. We demonstrate that the ages of Andean bear cubs ≤6 months old may be estimated from their size relative to their mothers with an average error of <0.01 ± 13.2 days (SD; n = 14),...

Data from: Porcine colonization of the Americas: a 60k SNP story

M. Pérez-Enciso, William Burgos-Paz, Carla A. Souza, Hendrik Jan Megens, Yuliaxis Ramayo-Caldas, Maximo Melo, C. Lemús-Flores, Eduardo Caal, Henry W. Soto, Rodrigo Martínez, Luz A. Álvarez, Lenin Aguirre, Volga Iñiguez, M. A. Revidatti, O. R. Martínez-López, Silvia Llambi, Anna Esteve-Codina, M. C. Rodríguez, Richard P. M. A. Crooijmans, Samuel R. Paiva, Larry B. Schook & Martien A. M. Groenen
The pig, Sus scrofa, is a foreign species to the American continent. Although pigs originally introduced in the Americas should be related to those from the Iberian Peninsula and Canary islands, the phylogeny of current creole pigs that now populate the continent is likely to be very complex. Because of the extreme climates that America harbours, these populations also provide a unique example of a fast evolutionary phenomenon of adaptation. Here, we provide a genome...

Data from: Disentangling population strategies of two cladocerans adapted to different ultraviolet regimes

Carla E. Fernández, Melina Campero, Cintia Uvo, Lars Anders Hansson & Lars-Anders Hansson
Zooplankton have evolved several mechanisms to deal with environmental threats, such as ultraviolet radiation (UVR), and in order to identify strategies inherent to organisms exposed to different UVR environments, we here examine life-history traits of two lineages of Daphnia pulex. The lineages differed in the UVR dose they had received at their place of origin from extremely high UVR stress at high-altitude Bolivian lakes to low UVR stress near the sea level in temperate Sweden....

Data from: Functional diversity and redundancy of tropical forests shift with elevation and forest-use intensity

María Leticia Monge González, Nathaly Guerrero Ramírez, Thorsten Krömer, Holger Kreft & Dylan Craven
1. Change and intensification of forest use alter tropical ecosystems, influencing biodiversity and, subsequently, ecosystem functioning. The implications of eroding biodiversity may go beyond decreases in species diversity, resulting in changes of functional diversity, i.e. the diversity of ecological strategies present in the community, and functional redundancy, i.e. how redundant these strategies are to biodiversity loss. However, how environmental conditions and anthropogenic influences shape functional diversity and redundancy in tropical forests remains poorly understood. 2....

Pacific Introduced Flora (PacIFLora)

Michael Wohlwend, Dylan Craven, Patrick Weigelt, Hanno Seebens, Marten Winter, Holger Kreft, Wayne Dawson, Franz Essl, Mark Van Kleunen, Jan Pergl, Petr Pyšek, James Space, Philip Thomas & Tiffany Knight
The Pacific region has the highest density of naturalized plant species worldwide, which makes it an important area for research on the ecology, evolution and biogeography of biological invasions. While different data sources on naturalized plant species exist for the Pacific, there is no taxonomically and spatially harmonized database available for different subsets of species and islands. A comprehensive, accessible database containing the distribution of naturalized vascular plant species in the Pacific will enable new...

A new algorithm for reconstructing tree height growth with stem analysis data

Christian Salas-Eljatib
I offer here both dataset and computing code related to a stem analysis algorithm to reconstruct height growth of trees. First, the dataset has time series records of tree height for Nothofagus alpina ("rauli"), N. dombeyi ("coigue"), N. obliqua ("roble"), and Pseudotsuga menziesii ("Douglas-fir"). The data come from stem analysis sample trees in both southern Chile and the Inland Northwest, USA. These trees are part of the ones used in an article about a new...

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