Results 111 to 120 of about 300,786 (310)

The Central Andes: Elements of an Extreme Land

open access: yesElements, 2018
The Central Andes and the Atacama Desert represent a unique geological, climatic, and magmatic setting on our planet. It is the only place on Earth where subduction of an oceanic plate below an active continental margin has led to an extensive mountain chain and an orogenic plateau that is second in size only to the Tibetan Plateau, which resulted from
Wörner, Gerhard   +2 more
openaire   +4 more sources

The relative roles of in situ diversification and lineage dispersal underlying diversity patterns at the assemblage level

open access: yesOikos, EarlyView.
Speciation, extinction, and dispersal are the historical processes influencing the spatial distribution of lineages and strongly influence diversity patterns. Here, we apply a recently developed methodological approach to quantify the relative legacies in situ diversification history (i.e.
Arthur Vinicius Rodrigues   +2 more
wiley   +1 more source

On the quality of climate proxies derived from newspaper reports ? a case study

open access: yes, 2007
International audienceOne of the main problems in climate reconstruction from documentary sources is the evaluation of the quality of non instrumental meteorological records in absence of instrumental observations to perform a calibration. In these cases
Gallego, D.   +3 more
core   +2 more sources

When Politics Shapes Administration: Bureaucratic Autonomy, Policy Role Separation, and Organizational Capacity in an Institutionally Weak Public Administration

open access: yesPublic Administration and Development, EarlyView.
ABSTRACT This study examines the impact of administrative autonomy and the separation of roles in public policy on organizational capacity within hybrid public administration systems, particularly in Colombia. It explores the dynamics between elected officials and civil servants, focusing on how the division of responsibilities and the autonomy granted
Camilo Ignacio González   +1 more
wiley   +1 more source

Evaluación de polimorfismos en enzimas metabólicas: cyp17, srd5a2 y gsts en un grupo de casos y controles en una muestra de la población colombiana asociada con susceptibilidad y riesgo a desarrollar cáncer de la próstata.

open access: yesIatreia, 2010
El cáncer de la próstata (CaP) es la neoplasia maligna más comúnmente diagnosticada a nivel mundial y la primera causa de muerte por cáncer en los hombres en Colombia, convirtiéndose hoy en día en un problema de salud pública. En Colombia el CaP ocupa el
Natalia Ospina   +5 more
doaj  

Semi-Supervised Contrastive Learning for Remote Sensing: Identifying Ancient Urbanization in the South-Central Andes. [PDF]

open access: yesInt J Remote Sens, 2023
Xu J   +9 more
europepmc   +1 more source

Where Have I Seen You Before? Networks, Trust and Reciprocity as a Source of Collaboration in the Public Service

open access: yesPublic Administration and Development, EarlyView.
ABSTRACT Although some studies focus on how bureaucrats' interactions with one another affect performance, they rarely focus on why these public servants collaborate. Bureaucrats' collaboration matters because it can significantly contribute to achieving policy goals.
Nathalie Mendez
wiley   +1 more source

Hepaticae of Cerro Venamo, Venezuela, collected by J. Steyermark [PDF]

open access: yes, 2002
A revision of herbarium material (NY) from Cerro Venamo, Venezuela (5°59’ N, 61°23’ W, 1890 m) yielded 77 hepatic species in 44 genera and 13 families. Most species have a neotropical distribution (75,32%), 6,49%, are pantropical and 9,09% are reported ...
Borges, Anna Luiza Ilkiu   +1 more
core  

Alpine Vegetation of the Central Andes

open access: yesBotanical Gazette, 1920
(Uploaded by Plazi from the Biodiversity Heritage Library) No abstract provided.
openaire   +2 more sources

Climate and demography drive 7000 years of dietary change in the Central Andes. [PDF]

open access: yesSci Rep, 2022
Wilson KM   +9 more
europepmc   +1 more source

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