Results 81 to 90 of about 65,512 (228)

Rapid Emergence of an Amphibian Pathogen Coincided With Historic Amphibian Declines in the Neotropics

open access: yesDiversity and Distributions, Volume 32, Issue 4, April 2026.
ABSTRACT Aim The emergence of the fungal pathogen Batrachochytrium dendrobatidis (Bd) in South America has been attributed to multiple introductions and subsequent spread in a bidirectional latitudinal wave along the primary Andean cordilleras. This is supported for Ecuador by anecdotal evidence of declines in Bd‐susceptible genera such as Telmatobius ...
Phillip A. Jervis   +8 more
wiley   +1 more source

The pacific dove (Zenaida meloda): a new species for the avifauna of Argentina [PDF]

open access: yes
La Torcaza Alas Blancas (Zenaida meloda) es conocida solo del lado oeste de la cordillera de los Andes. En base a grabaciones de audio y fotografías, reportamos la presencia de una población al este de la cordillera, en la provincia de La Rioja ...
Bodrati, Alejandro, Cockle, Kristina
core  

Toward an imminent extinction of Colombian glaciers? [PDF]

open access: yes, 2017
This study documents the current state of glacier coverage in the Colombian Andes, the glacier shrinkage over the twentieth century and discusses indication of their disappearance in the coming decades.
Braitmeier, Michael   +9 more
core   +4 more sources

The Biogeography of ENSO‐Induced Climate Variability, Deforestation Trends and Fire‐Induced Forest Loss in the Neotropics

open access: yesJournal of Biogeography, Volume 53, Issue 4, April 2026.
ABSTRACT Aim To identify Neotropical ecoregions experiencing compound environmental exposure to El Niño/La Niña‐driven climate variability, deforestation trends and fire‐induced forest loss. Location Neotropical realm. Methods We quantified historical exposure to ENSO‐related climate variability by correlating the Oceanic Niño Index with four ...
Andres González‐González   +3 more
wiley   +1 more source

Late Triassic (Rhaetian) conodonts and ichthyoliths from Chile [PDF]

open access: yes, 2000
The Late Triassic of the back arc Domeyko Basin, Chile is characterized by the onset of marine sedimentation that persisted throughout the rest of the Mesozoic.
Sansom, Ivan J.
core   +1 more source

Observaciones generales sobre algunos ventisqueros de la Cordillera de los Andes, Mendoza

open access: yes, 1895
En la excursión efectuada con el señor Director del Museo, en el año último, en la región del Noroeste Argentino, hice la interesante observación de que en toda aquella región se presentan indicios que demuestran la antigua existencia de ventisqueros. (Véanse mis informes en dos apéndices de «Una excursión al Noroeste Argentino, por Francisco P. Moreno»
openaire   +2 more sources

Assembling the Neotropical Tree Flora: Andean Uplift and the Historical Biogeography of the Brazil Nut Family (Lecythidaceae)

open access: yesJournal of Biogeography, Volume 53, Issue 4, April 2026.
ABSTRACT Aim The assembly of tropical tree floras is complex, involving many lineage‐specific histories; however, focusing on the biogeographic history of diverse clades can reveal general patterns. We investigated the historical biogeography of the ecologically important Brazil nut clade (Lecythidoideae) to: (1) expand prior phylogenies with greater ...
Diana Medellín‐Zabala   +8 more
wiley   +1 more source

Concepción: su planeamiento y el reconocimiento de su marco geográfico

open access: yesUrbano, 2002
Hace quince años que llegué a la ciudad de Concepción desde Santiago, dejando atrás una ciudad con graves problemas de planeamiento urbano, de un crecimiento explosivo, saturación vial y un aire que ya comenzaba a asfixiar.
Leonel Ramos Santibáñez
doaj  

Sertulum Ternstroemiacearum I. Sinopsis del género Freziera (Ternstroemiaceae) en Venezuela, incluyendo una especie nueva de la Cordillera de Mérida

open access: yesAnales del Jardín Botánico de Madrid, 2020
El género Freziera Willd. se encuentra distribuido en Venezuela a lo largo de los sistemas montañosos de Los Andes, la Cordillera de la Costa y el Escudo Guayanés.
José Grande Allende
doaj   +1 more source

Home - About - Disclaimer - Privacy