Results 51 to 60 of about 72,023 (300)
Nordic Journal of Botany, EarlyView.Pollen limitation, a decrease in seed production due to insufficient pollen receipt, may influence plant demography and the evolution of sexual systems. Its empirical estimation of pollen supplementation of some of the flowers on an individual is well known to be prone to overestimation due to potential resource reallocation among the individual's ...
Xia Jiang +6 more
wiley +1 more source
Bio-grafía, 2013 El presente artículo es producto de los desarrollos investigativos y reflexivos de la experiencia educativa “Construcción de subjetividades políticas de niñas, niños y jóvenes quechuahablantes, en el contexto de la experiencia ‘Comunidades Andinas ...
MARCO TULIO PEÑA
doaj +1 more source
Tectonics and uplift in Central Andes (Peru, Bolivia and Northern Chile) from Eocene to present [PDF]
, 1988 L'analyse des séries sédimentaires et volcaniques affleurant dans le sud du Pérou, la Bolivie et le nord du Chili permet d'établir l'évolution chronologique des Andes centrales de l'Eocène à l'actuel.
Fornari, Michel +3 more
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Nordic Journal of Botany, EarlyView.Passiflora clypeophylla, an endemic species to the Guatemalan karstic forests last seen in 1889 and deemed extinct, was rediscovered in the Department of Alta Verapaz, east of Cobán. The species was known only from a single specimen hailed from the type locality, Rubel Cruz, where it has been found again. An additional location has been identified in a
J.R. Kuethe +3 more
wiley +1 more source
Caldasia, 1986 A preliminary taxonomic revision of the brorne-grass species is found in Bolivia and Perú, with keys, drawings (mostly of type specimens), synonymies, descriptions and extensive specimen citations, 5 species are recognized: Bromus catharticus, B. lanatus,
Pinto Escobar Polidoro
doaj
Oikos, 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
Public 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
Ecología Austral, 2016 La región de los Andes Tropicales es considerada como una región muy vulnerable al cambio climático porque presenta una alta diversidad y endemismo y porque posee una gran variabilidad altitudinal.
Ana C. Godoy-Burki
doaj +1 more source
Centralism, de-centralism and bio-regionalism
, 1996 Two of the most important social movements in Canada today are the radical and social-democratic Left (exemplified by the Action Canada Network), and the environmental movement - in one of its more radical manifestations, as bioregionalism. At its best, the environmental movement is very concerned about the threat to sustainability posed by the growing
Cholette, Kathy +2 more
openaire +3 more sources
Inventory of fossil cryogenic forms and structures in Patagonia and the mountains of Argentina beyond the Andes [PDF]
, 2002 This article summarizes the most important observations of fossil cryogenic forms and structures in Patagonia and the mountains of Argentina beyond the Andes.
Trombotto, Dario Tomas
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