Results 61 to 70 of about 28,262 (209)

Comunidades vegetales de las transiciones terrestre-acuáticas del páramo de Chingaza, Colombia

Revista de Biología Tropical, 2012
La vegetación acuática y semiacuática de los páramos andinos ha sido estudiada generalmente bajo un enfoque fitosociológico tradicional, el cual se basa en muestreos de áreas homogéneas y excluye los fenómenos de borde o transicionales.
Udo Schmidt-Mumm, Orlando Vargas Ríos
doaj  

Land‐Use and Land‐Cover Change in the Páramo of South‐Central Ecuador, 1979–2014

Land, 2017
Land use and land cover were mapped between 3500 and 5000 meters above sea level m.a.s.l. in the Río Chambo basin in south-central Ecuador from Landsat MSS, TM, ETM and OLI imagery acquired between 1979 and 2014.
Cristina Ross, Stephen Fildes, Andrew Millington   +2 more
doaj   +1 more source

Cuantificación del carbono en los páramos del parque nacional Yacuri, provincias de Loja y Zamora Chinchipe, Ecuador

Cedamaz, 2017
Se determinó los tipos de cobertura vegetal del Parque Nacional Yacuri y, para los páramos arbustivo y herbáceo se determinó respectivamente su composición y estructura, incluyendo el carbono jado en la biomasa, necromasa y suelo y, la in uencia de la ...
Leonardo Ayala, María Villa, Zhofre Aguirre Mendoza, Nikolay Aguirre Mendoza   +3 more
doaj  

Unemployment, skills, and incentives - an overview of the safety net system in the Slovak Republic [PDF]

The author studies the potential disincentive effects of unemployment insurance, and social assistance payments on the duration of unemployment in the Slovak Republic.
Sanchez-Paramo, Carolina
core  

The GALEX UV luminosity function of the cluster of galaxies Abell 1367

, 2005
We present the GALEX NUV (2310 A) and FUV (1530 A) galaxy luminosity functions of the nearby cluster of galaxies A1367 in the magnitude range -20.3< M_AB < -13.3.
A. Boselli, A. S. Szalay, Andreon S., B. F. Madore, B. Milliard, B. Welsh, D. C. Martin, D. Schiminovich, Donas J., G. Gavazzi, J. Donas, J. Iglesias-Paramo, K. Forster, L. Bianchi, L. Cortese, M. A. Treyer, O. Siegmund, P. G. Friedman, P. Jelinsky, P. Morrissey, R. M. Rich, R. Malina, S. Neff, T. Barlow, T. K. Wyder, T. M. Heckman, T. Small, Y.-I. Byun, Y.-W. Lee   +28 more
core   +2 more sources

Harassment Origin for Kinematic Substructures in Dwarf Elliptical Galaxies? [PDF]

, 2005
We have run high resolution N-body models simulating the encounter of a dwarf galaxy with a bright elliptical galaxy. The dwarf absorbs orbital angular momentum and shows counter-rotating features in the external regions of the galaxy.
A. C. González-García, Aguerri, Aguerri, Aguerri, Aguilar, Balcells, Balcells, Bender, Binggeli, Binggeli, Binggeli, Collett, De Rijcke, De Young, Dekel, Ferguson, Fish, Gallagher, Geha, Gendin, Harsoula, Hau, Hernquist, J. A. L. Aguerri, Jaffe, King, Kuijken, Kuijken, Lin, M. Balcells, Mateo, Mayer, Mo, Pedraz, Richer, Som Sunder, Swaters, Tremaine, van Zee   +38 more
core   +3 more sources

The upper forest limit and the fate of bird assemblages in high-Andean páramo ecosystems in the Northern Andes

Global Ecology and Conservation
The altitudinal shift of the Upper Forest Limit is a key driver of expansion and contraction cycles in high Andean páramo ecosystems above the treeline.
Jhon jairo Calderón Leyton, Rubén Darío Palacio, Raul Ernesto Sedano-Cruz   +2 more
doaj   +1 more source

El páramo: aula abierta para el aprendizaje de las ciencias naturales

Educación y Ciencia, 2013
En Suramérica, entidades y agrupaciones de personas han buscado mejorar las condiciones ambientales y sociales de los ecosistemas de páramos a partir del Proyecto “Páramo Andino”, mediante la construcción de alianzas a lo largo del corredor ecológico ...
Inés Andrea Sanabria Totaitive, Gloria Leonor Gutiérrez Gómez   +1 more
doaj   +1 more source

A Preliminary Assessment Using Satellite Remote Sensing [PDF]

, 2015
The upper ranges of the northern Andes are characterized by unique Neotropical, high altitude ecosystems known as paramos. These tundra-like grasslands are widely recognized by the scientific community for their biodiversity and their important ecosystem
Armenteras, Dolors, Borrelli, Pasquale, Modugno, Sirio, Panagos, Panos, Schütt, Brigitta   +4 more
core   +1 more source

RESTRUCTURING THE AGRICULTURAL PRODUCTION IN THE TOTA LAKE BASIN (COLOMBIA): PROS AND CONS TO ACHIEVE THE CHANGE

Tropical and Subtropical Agroecosystems
Background. Moorlands are strategic ecosystems that provide regulation and provision of water, and that face serious effects due to agricultural activities.
Karla Juliana Rodríguez-Robayo, Víctor Camilo Pulido-Blanco, Fabián Enrique Martínez-Camelo, Diego Hernán Meneses-Buitrago   +3 more
doaj   +1 more source