Results 21 to 30 of about 300,786 (310)

Progress in South America Dendrochronology [PDF]

open access: yes, 2002
South America extends from 11°N to 62°S. Major boundaries such as the Andes on the western side of the continent and the land mass in the tropics create north-south and west-east variations in climate and ecosystems.
Boninsegna, Jose Armando
core   +1 more source

Detection of Spatial Rainfall Variation over the Andean Region Demonstrated by Satellite-Based Observations

open access: yesAtmosphere, 2021
Topography has an important role in shaping regional and global climate systems, as it acts as a mechanical barrier to the low-level moisture flow. Thus, a complex spatial pattern of rainfall can exist over the mountainous region.
Dibas Shrestha   +6 more
doaj   +1 more source

New records of Nototriche hartwegii A.W.Hill (Malvaceae, Malvoideae) in Ecuador: updated distribution and range extension [PDF]

open access: yesCheck List
We report a new record of Nototriche hartwegii A.W.Hill, an Ecuadorian endemic species originally described from the southern Andes. For decades, its known distribution was restricted to this region.
Emilio J. Trujillo   +2 more
doaj   +3 more sources

Hydroclimate variability in the low-elevation Atacama Desert over the last 2500 yr [PDF]

open access: yesClimate of the Past, 2012
Paleoclimate reconstructions reveal that Earth system has experienced sub-millennial scale climate changes over the past two millennia in response to internal/external forcing.
E. M. Gayo   +4 more
doaj   +1 more source

Interseismic coupling and seismic potential along the Central Andes subduction zone [PDF]

open access: yes, 2011
We use about two decades of geodetic measurements to characterize interseismic strain build up along the Central Andes subduction zone from Lima, Peru, to Antofagasta, Chile.
Aktug   +380 more
core   +5 more sources

Tectonics of the central Andes

open access: yesAdvances in Space Research, 1989
Acquisition of nearly complete coverage of Thematic Mapper data for the central Andes between about 15 to 34 degrees S has stimulated a comprehensive and unprecedented study of the interaction of tectonics and climate in a young and actively developing major continental mountain belt.
B.L. Isacks   +4 more
openaire   +1 more source

La queratotaxia cercariana en la diferenciacion de sexos de schistosoma mansoni

open access: yesMemorias do Instituto Oswaldo Cruz, 1988
El número de papilas argirófilas superficiales y su modelo de disposición en el tegumento de las cercarias (quetotaxia) de Schistosoma mansoni nos permitió diferenciar los sexos a nivel del mencionado estadío larvario, mediante los siguientes critérios: -
Luz Arelis Pino   +3 more
doaj   +1 more source

Population genomics of Ulex europaeus in the Northern Andes: insights into an invasive species in high-mountain ecosystems [PDF]

open access: yesPlant Ecology and Evolution
Background and aims – Ulex europaeus is an invasive allopolyploid (hexaploid) plant considered a global threat that has successfully colonized various regions, including the Northern Andes.
Anneth Díaz-Reyes   +3 more
doaj   +3 more sources

Geo-structural map of the Laguna Blanca basin (Southern Central Andes, Catamarca, Argentina) [PDF]

open access: yes, 2015
The Laguna Blanca basin is a rhomb-shaped basin located at the SE margin of the Puna plateau in the southern Central Andes (Catamarca, Argentina). An interactive analysis using remote sensing and field mapping enabled us to produce a geo-structural map ...
Massironi, Matteo   +2 more
core   +2 more sources

Chemical composition of wood essential oil of Aniba cinnamomiflora C. K. Allen from venezuelan andes

open access: yesColombia Forestal, 2016
Aniba cinnamomiflora C. K. Allen is a tree species of Lauraceae family that produces essential oil. Study on the hydrodistillation product of wood pieces from branches of Aniba cinnamomiflora is presented. The 0.05% of essential oil was obtained.
Enid Esperanza Marcano   +4 more
doaj   +1 more source

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