Results 61 to 70 of about 12,719 (160)

Estimated number of birds killed by domestic cats in Colombia

open access: yesAvian Conservation and Ecology, 2022
Wildlife mortality caused by domestic cats is evident where free-roaming house cats are present in the tropical Andes region, a phenomenon for which there is a lack of scientific reports.
Raul E. Sedano-Cruz
doaj  

De la biogeografía al paisaje en Humboldt: pisos de vegetación y paisajes andinos equinocciales [PDF]

open access: yes, 2010
The current recovery of the notion of landscape as a means of comprehending the relationships between nature, society and culture in their spatiotemporal dimensions, that is, as specifi c totalities, calls for a return to its most fecund presentations ...
Concepción Sanz Herráiz   +1 more
core   +2 more sources

Análisis comparativo de la estructura y biodiversidad de un sabinar litoral y su sucesión en el Espacio Natural Doñana [PDF]

open access: yes, 2015
Se analiza y compara la estructura, composición y biodiversidad de un sabinar litoral y su matorral de sucesión en el Médano del Asperillo (Espacio Natural Doñana, al suroeste de España) a través de diagramas de estructura, el índice de valor de ...
Alonso García, José Ramón   +1 more
core   +2 more sources

Multiscale Environmental Drivers of Aquatic Insect Assemblages in Cerrado Streams

open access: yesAustral Ecology, Volume 51, Issue 3, March 2026.
Multi‐scale drivers of aquatic insect communities in Cerrado streams. The gradient (from left to right) indicates increasing spatial scale, showing that abundance is influenced by local factors (conductivity, temperature), taxonomic richness responds to agricultural land use at an intermediate scale, and community composition is structured by regional ...
Juliana Simião‐Ferreira   +9 more
wiley   +1 more source

Análisis y pautas para el mejoramiento socioeconómico de los productores del oeste pampeano

open access: yesGeograficando, 2005
En la zona comprendida entre las isoyetas de 500 mm a 300 mm, perteneciente a la provincia fitogeográfica del Monte, una población rural de 6.845 habitantes, 9 del total provincial, con una densidad de 0,2 hab /km2, habita los cinco departamentos del ...
Pedro Cuello, Ana María Montone
doaj  

Experimentos em biogeografia

open access: yesGeografia (Londrina), 2011
A utilização de experimentos não só na Biogeografia, mas também em outras áreas da geografia como a Geomorfologia por exemplo, está sendo muito discutida ultimamente, pelo menos é o que pudemos perceber no Seminário "Experimentos em Geografia Física ...
Celso Diniz Nobre, Walter Rodrigues
doaj   +1 more source

Biogeografía histórica de Cardiospermum y Urvillea (Sapindaceae) en América: Paralelismos Geográficos e Históricos con los Bosques Secos Estacionales Neotropicales [PDF]

open access: yes, 2012
Los géneros Cardiospermum y Urvillea (Sapindaceae, Paullinieae) están ampliamente distribuidos en América, desde el centro de los Estados Unidos hasta el centro de la Argentina. Los registros fósiles correspondientes al Eoceno tardío de América del Norte
Coulleri, Juan Pablo   +1 more
core   +1 more source

Ecological and Spatial Drivers of Diversification and Hybridization in Phalacrocarpum (Anthemideae, Asteraceae)

open access: yesJournal of Biogeography, Volume 53, Issue 2, February 2026.
ABSTRACT Aims Range shifts and niche differentiation can promote hybridization and homoploid hybrid speciation by bringing different lineages into contact and afterwards facilitating their reproductive isolation. The Iberian endemic angiosperm genus Phalacrocarpum is a suitable model to explore these processes.
David Criado‐Ruiz   +2 more
wiley   +1 more source

Habitat Amount Shapes Ant Diversity in the Central Amazon

open access: yesBiotropica, Volume 58, Issue 1, January 2026.
Ant diversity in fragmented Amazonian forest landscapes is primarily driven by landscape‐scale habitat amount rather than fragment size, supporting the Habitat Amount Hypothesis (HAH) over Island Biogeography Theory (IBT). Consequently, conservation strategies should prioritize maintaining and restoring forest cover across human‐modified landscapes ...
Ricardo A. S. Ruaro   +3 more
wiley   +1 more source

Phylogenomics and biogeography of the cleptoparasitic bee genus Triepeolus Robertson (Hymenoptera: Apidae), with a revised subgeneric classification of Triepeolus and its sister genus, Epeolus Latreille Filogenómica y biogeografía del género de abejas cleptoparásitas Triepeolus Robertson (Hymenoptera: Apidae), con una clasificación subgenérica revisada para Triepeolus y su género hermano, Epeolus Latreille

open access: yesSystematic Entomology, Volume 51, Issue 1, January‐March 2026.
A subgeneric classification is proposed for Triepeolus—the second‐largest genus of cleptoparasitic apid bees in the world—and its sister genus Epeolus, with support from a newly presented dated phylogeny. Phylogenomic analysis based on ultraconserved elements revealed strong support for the monophyly of Triepeolus, which diverged from Epeolus sometime ...
Thomas M. Onuferko   +2 more
wiley   +1 more source

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