Results 71 to 80 of about 5,102 (213)
Ecological Indicators, 2023 Diatoms are microalgae, known to present several characteristics that make them excellent bioindicators. In this study, we analyzed the epiphytic diatom communities of ponds, with the aim of exploring the genetic variability explained by physical ...
María Borrego-Ramos +3 more
doaj +1 more source
Losing Water by Storing It: The Oversighted Side of Intensive Water Regulation and Damming
Earth's Future, Volume 13, Issue 9, September 2025.Abstract Reservoirs are crucial for managing water resources but they may also promote enhanced water evaporation inland. Here we analyze the historical trends, causal attribution, and future projections of regional evaporative losses across 362 Spanish reservoirs, representing 94% of the nation's storage capacity, in one of the most heavily dammed ...
J. Lorenzo‐Lacruz +3 more
wiley +1 more source
Annals of Public and Cooperative Economics, Volume 96, Issue 3, Page 513-542, September 2025.Abstract Amidst the escalating impact of climate change, the agricultural sector faces the challenge of maintaining productive capacity while conserving increasingly scarce water resources. Modernizing irrigation systems by replacing inefficient open‐channel distribution infrastructures is crucial to address this challenge.
Nicola Comincioli +7 more
wiley +1 more source
El paleolítico antiguo en la cuenca del Duero. Instrumentos teóricos para la construcción de un modelo interpretativo de arqueología económica [PDF]
, 2009 Este trabajo profundiza en los procesos de complejización socio-cultural y tecno-económico que llevaron a cabo los grupos humanos durante el Paleolítico antiguo.
Sánchez Yustos, Policarpo
core +1 more source
Zephyrus, 2009 RESUMEN: Se realiza aquí una aproximación general sobre las industrias achelenses del occidente de la Meseta norte española, atendiendo a aspectos puramente tecnológicos, tanto por lo que se refiere a su estructura interna como a las características de ...
José Ignacio MARTÍN BENITO
doaj
Restoring free‐flowing rivers: Planning for longitudinal and lateral connectivity recovery
Journal of Applied Ecology, Volume 62, Issue 8, Page 2048-2060, August 2025.Adequate planning should guide decision making in complex scenarios like river restoration, where opportunistic approaches have proven ineffective. This includes setting clear objectives and constraints and using adequate data. Restoring free‐flowing rivers will also need the restoration of more than longitudinal connectivity, which will benefit from ...
Virgilio Hermoso
wiley +1 more source
Economic analysis of drought risks: an application to irrigated agriculture in Spain [PDF]
, 2011 This paper describes a two-part methodology for managing the risk posed by water supply variability to irrigated agriculture. First, an econometric model is used to explain the variation in the production value of irrigated agriculture.
Garrido Colmenero, Alberto +2 more
core +3 more sources
The Mozarabs in the kingdom of León: 8th-11th Centuries
Studia Historica. Historia Medieval, 2011 The text is a summary of a research about Arabic onomastics which appears in the Leonese charters until 11th Century. The outcome of the analysis of the data is the existence of a Berber settlement in the Duero basin, although this explanation does not ...
Javier FERNÁNDEZ CONDE
doaj
Archaeological Prospection, Volume 32, Issue 3, Page 562-586, July/September 2025.ABSTRACT The archaeological research carried out at Irulegi, a hilltop site on the namesake mountain (Aranguren Valley, Navarre, Spain), has revealed one of the most important examples of fortified protohistoric settlements in the western Pyrenees, characterized by its long evolution and the exceptional preservation of its remains.
Mattin Aiestaran +10 more
wiley +1 more source
Geoquímica orgánica de las lutitas lacustres de las cuencas cenozoicas lacustres del Duero y Ebro [PDF]
, 2000 Biomarquer analytical results from Cainozoic age organic rich lutites from Dueto and Ebro basin drill holes are presented, The presence and abundance of n-alkane, n-metil ketones, n-etil"ketones, n-butil ketones and 'elemental sulphur are compared ...
Torres Pérez-Hidalgo, Trinidad José
core +1 more source