Results 41 to 50 of about 159,666 (180)

Cambios ambientales del último milenio en sedimentos lacustres del Lago Thompson, Patagonia Chilena Norte [PDF]

, 2012
Este estudio se enfoca en un análisis multiproxy de un testigo sedimentario del Lago Thompson (area 1 km2; 751 masl ; 45°38’S 72°47’W) obtenido en 2008 (LT08-E, 130 cm), con el objetivo de documentar la variabilidad climática durante el último milenio en
Alvarez, Denisse, Araneda, Alberto, Fagel, Nathalie, Leclercq, Louis, Sacré, Vincent, Urrutia, Roberto, Vargas, Patricia   +6 more
core  

River Barriers and Spatial Constraints: Unveiling the Factors Shaping Species Distribution in the Amazonian Rainforest

Journal of Biogeography, Volume 52, Issue 12, December 2025.
ABSTRACT Aim We aimed to quantify the relative contributions of geographic distance, environmental variation, and riverine barriers to shaping species distributions across the Amazon forest. Location Amazon forest, Brazil. Time Period Present. Major Taxa Studied Class Arachnida; Order: Opiliones (harvestmen).
Cristian de Sales Dambros, Elisa Leal Abbad, Pio Antonio Colmenares Garcia, Ana Lúcia Tourinho   +3 more
wiley   +1 more source

The Contemporary Human Resources Function [PDF]

, 2017
Current companies encounter important challenges day to day. Many factors such as the economic globalization, the change in the way of working, the Internet boom, and the importance that the service sector is experiencing nowadays influence the new ...
Bryan-Jiménez, Carlos, Rodriguez-Fernandez, Maria Mercedes   +1 more
core  

Canonical Analysis of the Jackiw-Teitelboim Model in the Temporal Gauge. I. The Classical Theory

, 2008
As a preparation for its quantization in the loop formalism, the 2-dimensional gravitation model of Jackiw and Teitelboim is analysed in the classical canonical formalism. The dynamics is of pure constraints as it is well-known. A partial gauge fixing of
Alex Rios, Ashtekar A, Bautista Luis Ivan Morales, Bergamin L Meyer R, Clisthenis P Constantinidis, Constantinidis C P Lourenço J A Piguet O, Constantinidis C P Lourenço J A Piguet O Spalenza W, Costa Alex Rios, Dirac P A M, Gitman D M, Henneaux M, Ivan Morales, Jackiw R, José André Lourenço, Livine E R, Olivier Piguet, Rovelli C, Teitelboim C, Thiemann T, Thiemann T, Wald R M   +20 more
core   +3 more sources

Exploring motivation and clil: a literature review [PDF]

, 2018
In this article we intend to explore the history of motivation whithin the field of second foreign language learning. To this end, we will analyse in detail the three most important models: the Socio-educational Model, the Theory of Self-Determination ...
Pozo Beamud, Marta del
core   +1 more source

Modeling nature‐based restoration potential across aquatic–terrestrial boundaries

Conservation Biology, Volume 39, Issue 5, October 2025.
Abstract Today, few watersheds remain untouched by global change processes arising from climate warming, impoundments, channelization, water extraction, pollution, and urbanization. The need for restoration has resulted in a myriad of interventions, generally performed at small scales, which have limited measurable impact in restoring biodiversity and
B. Wegscheider, N. K. Rideout, W. A. Monk, M. A. Gray, R. Steeves, D. J. Baird   +5 more
wiley   +1 more source

SECAFÉ Parte II: recomendaciones para el manejo eficiente de los secadores mecánicos de café pergamino SECAFÉ Part II: recommendations for the efficient operation of mechanical dryers for parchment coffee

Revista Brasileira de Engenharia Agrícola e Ambiental, 2008
Una vez validados los modelos de simulación matemática para el secado de café pergamino (Modelos de Thompson y MSU) para los diferentes secadores existentes en Colombia, se procedió a implementar en lenguaje de programación Microsoft Visual Basic 6.0, un
Alfonso Parra-Coronado, Gonzalo Roa-Mejía, Carlos E. Oliveros-Tascón   +2 more
doaj   +1 more source

Writing the Self, Drawing the Self: Identity and Self-Reflexivity in Craig Thompson’s Graphic Memoir Blankets [PDF]

, 2015
: The aim of this article is to identify some of the key conventions and narrative patterns that graphic memoirists may use in order to articulate their own sense of identity, and deal with issues of truth, ethics, and representation through visual and ...
Peñalba García, Mercedes
core   +1 more source

Unexpected spatial aggregation between two species of hummingbirds and their inconsistent spatial interactions with native and exotic plants in an urban ecological reserve

Ibis, Volume 167, Issue 4, Page 927-944, October 2025.
Hummingbirds play an important role as pollinators and are one of the primary examples of animal–plant coevolution. However, factors such as land‐use change, urbanization, exotic species introductions and the disappearance of native plants can negatively affect the persistence of hummingbird populations.
Gonzalo A. Ramírez‐Cruz, Israel Solano‐Zavaleta, J. Jaime Zúñiga‐Vega, P. Montserrat Vilchis‐Domínguez, Mariana Palencia‐Martínez   +4 more
wiley   +1 more source

EVALUACIÓN DE LA PESQUERÍA DE LANGOSTA (Panulirus argus) EN EL ARCHIPIÉLAGO DE SAN ANDRÉS, PROVIDENCIA Y SANTA CATALINA, CARIBE COLOMBIANO.

Revista de Investigaciones Marinas, 2023
Se analizó el estado de explotación de la población de langosta (Panulirus argus) en el archipiélago de San Andrés, Providencia y Santa Catalina, a partir de los datos de desembarque y la composición por talla (industrial) entre 1994 y 2004. Mediante el
Carlos A. Borda, Raúl Cruz
doaj