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Articles 29 registres trobats  anterior11 - 20següent  anar al registre: La cerca s'ha fet en 0.00 segons. 
11.
16 p, 659.0 KB Water-level fluctuations and metapopulation dynamics as drivers of genetic diversity in populations of three Tanganyikan cichlid fish species / Nevado, Bruno (Centre de Recerca en Agrigenòmica) ; Mautner, S. (Department of Zoology, Karl-Franzens-University Graz) ; Sturmbauer, C. (Department of Zoology, Karl-Franzens-University Graz) ; Verheyen, E. (Evolutionary Ecology Group, University of Antwerp) ; Universitat Autònoma de Barcelona
Understanding how genetic variation is generated and maintained in natural populations, and how this process unfolds in a changing environment, remains a central issue in biological research. In this work, we analysed patterns of genetic diversity from several populations of three cichlid species from Lake Tanganyika in parallel, using the mitochondrial DNA control region. [...]
2013 - 10.1111/mec.12374
Molecular ecology, Vol. 22 (july 2013) , p. 3933-3948  
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12.
14 p, 6.7 MB New active faults on Eurasian-Arabian collision zone : Tectonic activity of Özyurt and Gülsünler faults (eastern Anatolian Plateau, Van-Turkey) / Dicle, S. (Yüzüncü Yıl University (Turquia). Institute of Science) ; Üner, S. (Yüzüncü Yıl University (Turquia). Department of Geological Engineering)
The Eastern Anatolian Plateau emerges from the continental collision between Arabian and Eurasian plates where intense seismicity related to the ongoing convergence characterizes the southern part of the plateau. [...]
2017 - 10.1344/GeologicaActa2017.15.2.3
Geologica acta, Vol. 15 Núm. 2 (june 2017) , p. 107-120  
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13.
20 p, 2.2 MB Spatial patterns reveal strong abiotic and biotic drivers of zooplankton community composition in Lake My'vatn, Iceland / Bartrons Vilamala, Mireia (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Einarsson, Árni (University of Iceland) ; Nobre, Regina L. G. (Universidade Federal do Rio Grande do Norte) ; Herren, Cristina M. (University of Wisconsin-Madison) ; Webert, Kyle C. (University of Wisconsin-Madison) ; Brucet, Sandra (Aarhus Universitet) ; Ólafsdóttir, Sólveig R. (Hafrannsóknastofnun) ; Ives, Anthony R. (University of Wisconsin-Madison)
Spatial patterns in the abundance of species are determined by local abiotic and biotic conditions, and by the movement of individuals among localities. For species distributed among discrete habitat "islands", such as zooplankton distributed among lakes, local conditions within lakes often dominate low movement rates among lakes to determine the composition of communities. [...]
2015 - 10.1890/ES14-00392.1
Ecosphere, Vol 6, Issue 6 (June 2015) , Article 105  
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14.
30 p, 946.3 KB Combined ecological risks of nitrogen and phosphorus in European freshwaters / Azevedo, Ligia B. (Institute for Water and Wetland Research) ; Zelm, Rosalie van (Institute for Water and Wetland Research) ; Leuven, Rob S. E. W. (Institute for Water and Wetland Research) ; Hendriks, A. Jan (Institute for Water and Wetland Research) ; Huijbregts, Mark A. J. (Institute for Water and Wetland Research)
Eutrophication is a key water quality issue triggered by increasing nitrogen (N) and phosphorus (P) levels and potentially posing risks to freshwater biota. We predicted the probability that an invertebrate species within a community assemblage becomes absent due to nutrient stress as the ecological risk (ER) for European lakes and streams subjected to N and P pollution from 1985 to 2011. [...]
2015 - 10.1016/j.envpol.2015.02.011
Environmental pollution, Vol. 200 (May 2015) , p. 85-92  
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15.
18 p, 1.8 MB Distribution, morphology and habitats of saline wetlands : a case study from Monegros, Spain / Castañeda, C. (Consejo Superior de Investigaciones Científicas (Espanya). Estación Experimental de Aula Dei) ; Herrero, Juan (Consejo Superior de Investigaciones Científicas (Espanya). Estación Experimental de Aula Dei) ; Conesa, Josep Antoni (Universitat de Lleida. Departament d'Hortofructicultura, Botànica i Jardineria)
Wetlands in semiarid regions have received less attention than wetlands in humidtemperate areas, and the limited amount of information has resulted in little regulatory recognition. A comprehensive map of the saline wetlands that occur in karstic depressions in the semiarid region of Monegros, NE Spain, was developed from historical data, topography, and surveys of vascular flora. [...]
2013 - 10.1344/105.000002055
Geologica acta, Vol. 11, Núm. 4 (December 2013) , p. 371-388  
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16.
13 p, 648.3 KB Distribution and morphometry of shallow lakes in a temperate zone (Buenos Aires Province, Argentina) / Bohn, Vanesa Y. (CONICET-Instituto Argentino de Oceanografía) ; Perillo, Gerardo M. E. (Universidad Nacional del Sur (Argentina). Departamento de Geología) ; Piccolo, María C. (CONICET-Instituto Argentino de Oceanografía)
We have developed a database of water bodies to characterise and assess the distribution and morphometry of Pampean shallow lakes and reservoirs in a temperate zone (Buenos Aires Province, Argentina). [...]
Se desarrolló una base de datos de cuerpos de agua para caracterizar la distribución y la morfometría de lagos someros y reservorios pampeanos en una zona templada (provincia de Buenos Aires, Argentina). [...]
2011
Limnética, Vol. 30, Núm. 1 (2011) , p. 89-102  
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17.
16 p, 1.1 MB Depositional models of lacustrine evaporites in the SE margin of the Ebro Basin (Paleogene, NE Spain) / Ortí, F. (Universitat de Barcelona. Departament de Geoquímica, Petrologia i Prospecció Geològica) ; Rosell Ortíz, Laura (Universitat de Barcelona. Departament de Geoquímica, Petrologia i Prospecció Geològica) ; Inglès i Urpinell, Montserrat (Universitat de Barcelona. Departament de Geoquímica, Petrologia i Prospecció Geològica) ; Playà i Pous, Elisabet (Universitat de Barcelona. Departament de Geoquímica, Petrologia i Prospecció Geològica)
An important evaporitic sedimentation occurred during the Paleogene (Eocene to lower Oligocene) in the Barberà sector of the southeastern margin of the Tertiary Ebro Basin. This sedimentation took place in shallow lacustrine environments and was controlled by a number of factors: 1) the tectonic structuration of the margin; 2) the high calcium sulphate content in the meteoric waters coming from the marginal reliefs; 3) the semiarid climate; and 4) the development of large alluvial fans along the basin margin, which also conditioned the location of the saline lakes. [...]
2007 - 10.1344/105.000000307
Geologica acta, Vol. 5, Núm. 1 (2007) , p. 19-34  
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18.
8 p, 390.2 KB Regional geoid determination in Tierra del Fuego including GPS levelling / Cogliano, Daniel del (Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas) ; Dietrich, Reinhard (Technische Universität Dresden, Institut für Planetare Geodäsie) ; Richter, Andreas (Technische Universität Dresden, Institut für Planetare Geodäsie) ; Perdomo, Raúl (Universidad Nacional de La Plata. Facultad de Ciencias Astronómicas y Geofísicas) ; Hormaechea, José Luis (Estación Astronómica Rio Grande) ; Liebsch, Gunter (Außenstelle Leipzig. Bundesamt für Kartographie und Geodäsie) ; Fritsche, Mathias (Technische Universität Dresden, Institut für Planetare Geodäsie)
A regional geoid model for the Argentine part of the Isla Grande de Tierra del Fuego, established in previous works on the basis of GPS levelling, suffers a lack of observation data in the remote south-western investigation area. [...]
2007 - 10.1344/105.000000292
Geologica acta, Vol. 5, Núm. 4 (2007) , p. 315-322  
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19.
14 p, 219.8 KB Trophic interactions in shallow lakes of the Pampa plain (Argentina) and their effects on water transparency during two cold seasons of contrasting fish abundance / Sosnovsky, Alejandro (Universidad Nacional del Comahue (Argentina). Grupo de Evaluación y Manejo de Recursos Ícticos) ; Rosso, Juan José (Universidad de Buenos Aires. Centro de Estudios Transdisciplinarios del Agua (CETA)) ; Quirós, Rolando (Universidad de Buenos Aires. Departamento de Producción Animal)
Trophic interactions in shallow lakes of the Pampa plain (Argentina) and their effects on water transparency during two cold seasons of contrasting fish abundance Trophic cascade interactions in shallow lakes have been studied extensively in the north temperate region mainly during the summer periodo However, fewer studies have examined these interactions in warrner regions during the winter periodo The aim of the present work was to study trophic cascade interactions and their effect on water transparency in small lakes in the Pampean Plain (Argentina) during the cold season. [...]
Las interacciones tróficas en cascada han sido ampliamente estudiadas en los lagos someros del hemisferio norte, principalmente durante la temporada estival. Sin embargo, su estudio ha sido menos frecuente en los lagos de regiones más cálidas durante la estación fría del año. [...]
2010
Limnética, Vol. 29, Núm. 2 (2010) , p. 233-246  
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20.
15 p, 378.3 KB Emerging global role of small lakes and ponds : little things mean a lot / Downing, John A. (Iowa State University. Ecology, Evolution & Organismal Biology)
Until recently, small continental waters have been completely ignored in virtually all global processes and cycles. This has resulted from the neglect of these systems and processes by ecologists and the assumption that ecosystems with a small areal extent cannot play a major role in global processes. [...]
Hasta muy recientemente, las aguas continentales de pequeño volumen se han ignorado completamente en todos los procesos y ciclos globales. Esto ha sido el resultado de la poca consideración de estos ecosistemas y procesos por los ecólogos y de asumir que los ecosistemas que ocupan un área pequeña no juegan ningún papel importante en los procesos globales. [...]
2010
Limnética, Vol. 29, Núm. 1 (2010) , p. 9-24  
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