Results 31 to 40 of about 24,852 (225)

Enterrarse en comunidad: mecanismos para el análisis y la reconstrucción del paleopaisaje funerario de las necrópolis tartésicas

open access: yesZephyrus, 2022
En la actualidad se conoce un número destacado de necrópolis tartésicas fechadas en la I Edad del Hierro tanto en el valle del Guadalquivir como en el valle del Guadiana. El conocimiento que tenemos de estas deriva del estudio de sus enterramientos y sus
Esther Rodríguez González   +1 more
doaj   +1 more source

First Record of the Nudibranch Tenellia adspersa (Nordmann, 1845) in Portugal, Associated with the Invasive Hydrozoan Cordylophora caspia (Pallas, 1771)

open access: yesDiversity, 2020
The estuarine nudibranch Tenellia adspersa (Nordmann, 1845) was recorded for the first time in Portugal, while sampling for fouling fauna of artificial structures along the salinity gradient of the Guadiana estuary (SW Iberian Peninsula).
João Encarnação   +3 more
doaj   +1 more source

Guadiana in Four Movements

open access: yescultural geographies
This paper introduces Guadiana in Four Movements , a research-short film that explores the present and future of the River Guadiana’s Lower basin in the Iberian Peninsula. Through a multidisciplinary approach combining social science and the arts, the film integrates diverse audio and visual materials from ...
Neto, Pedro Figueiredo, Korkmaz, Burak
openaire   +2 more sources

Dry getting drier – The future of transnational river basins in Iberia

open access: yesJournal of Hydrology: Regional Studies, 2017
Study region: Main international rivers of Iberia (SW Europe): Douro, Tagus and Guadiana. Study focus: Iberia has long suffered from water scarcity which will worsen with projected reductions in rainfall and increases in temperature.
Selma B. Guerreiro   +4 more
doaj   +1 more source

Elementos y perspectivas para el estudio del Anas como frontera en la Antigüedad: fuentes clásicas, registro arqueológico y epigrafía

open access: yesOnoba. Revista de Arqueología y Antigüedad, 2018
  Se plantean algunas cuestiones sobre la construcción de fronteras y límites en el contexto de la Cuenca Baja del Guadiana entre finales del siglo III a.C.
Pedro Albuquerque   +2 more
doaj   +1 more source

Flora algal de la cuenca del río Guadalquivir: Su valor en la determinación de la ecorregionalización de la cuenca [PDF]

open access: yes, 2018
In compliance with the Water Framework Directive of the European Union, we needed to diagnose the ecologic quality of the different sections of the rivers of the Guadalquivir basin. In order to establish a regional classification of the water bodies by a
Casco, Maria Adela   +5 more
core   +2 more sources

Forensic reconstruction of Ictalurus punctatus invasion routes using on-line fishermen records

open access: yesKnowledge and Management of Aquatic Ecosystems, 2017
In this work, the presence of the channel catfish Ictalurus punctatus in the Portuguese section of the Guadiana drainage (Iberian Peninsula) is confirmed based on morphological and molecular species identification.
Banha Filipe   +3 more
doaj   +1 more source

Physical characterization of the Guadiana Estuary using a 3D model [PDF]

open access: yes, 2016
Guadiana estuary is an intertidal estuary situated in SW of Iberian Península, the latest 50 Km of which constitutes the natural border between Spain and Portugal. Tidal influence extends to about 80 Km upstream.
Calero Quesada, Maria Concepción   +5 more
core  

The influence of rivers on seabird foraging ecology

open access: yesBiological Reviews, EarlyView.
ABSTRACT Rivers act as vital arteries to the world's oceans, delivering fresh water and nutrients that sustain marine ecosystems. Globally, river flow increasingly is being altered by climate change and anthropogenic pressures; yet the significance of rivers to predatory marine species, such as seabirds, and the extent to which river‐related changes ...
Julia B. Morais   +2 more
wiley   +1 more source

Simonsenia aveniformis sp nov (Bacillariophyceae), molecular phylogeny and systematics of the genus, and a new type of canal raphe system [PDF]

open access: yes, 2015
The genus Simonsenia is reviewed and S. aveniformis described as new for science by light and electron microscopy. The new species originated from estuarine environments in southern Iberia (Atlantic coast) and was isolated into culture. In LM, Simonsenia
A Gomes   +41 more
core   +1 more source

Home - About - Disclaimer - Privacy