Universitat de Barcelona
Now showing items 1-20 of 1835
Background: Several studies have reported alterations in finger and a-b ridge counts, and their derived measures of asymmetry, in schizophrenia compared to controls. Because ridges are fully formed by the end of the second ...
Background: Myotragus balearicus was an endemic bovid from the Balearic Islands (Western Mediterranean) that became extinct around 6,000-4,000 years ago. The Myotragus evolutionary lineage became isolated in the islands ...
Background: Models of the maintenance of sex predict that one reproductive strategy, sexual or parthenogenetic, should outcompete the other. Distribution patterns may reflect the outcome of this competition as well as the ...
Application of semi-distributed hydrological models to large, heterogeneous watersheds deals with several problems. On one hand, the spatial and temporal variability in catchment features should be adequately represented ...
Stream aquifer hydrology and nitrate removal were studied, over a period of 2 years, in an unsaturated riparian zone, bounded by an intermittent Mediterranean stream, (Fuirosos, northeastern Spain). The riparian groundwater ...
We formulate a new mixing model to explore hydrological and chemical conditions under which the interface between the stream and catchment interface (SCI) influences the release of reactive solutes into stream water during ...
el caso anterior, a comunidades de la Al. Rosmarino-Ericion o bien, en 10s mejores suelos (que s610 muy raramente son abandonados en la zona estudiada) a comunidades emparentadas con la Al. Pruno-Rubion ulmifolii.
irregular. With reference to the 10 km UTM network, the number of relevés per cell ranges between 0 and 527, with a mean of 36, the most exhaustively prospected areas lying in the Pyrenean range. On the other hand, 44 cells ...
The first part of a general survey of the vegetation of Catalonia and Andorra, this paper reports all the phytocoenological associations and subassociations recorded in this area. For each community, we provide the correct ...
En aquest article es comparen els atributs demografics de dues especies arvenses que tenen el seu optim a diferents tipus de conreu. L'una és Dipfotaxis erucoides (Cruciferae), una herba anual monocarpica que viu al conreus ...
diverse and in most cases including lakes, snow beds and fens.
Following an earlier study (CARRERAS et al., 1993), which deals with the flora and lhe plant communities, this paper presents a vegetation map of Barravés and Castanesa va!leys. On the map, polygons numbered from 1 to 84 ...
A new subspecies of Pedicularis pyrenaica J. Gay (Scrophulariaceae) in Central Pyrenees. We describe a new subspecies of Pedicularis pyrenaica (P. pyrenaica subsp. praetermissa) from the Central Pyrenees, which differs ...
En aquest article es revisen els components de la fertilitat dels sòls mediterramis i es discuteix les seves característiques generals, així com la suposada oligotrofia que sovint se'ls ha atribuït. La tipologia d'aquests ...
The diversity of lichens of Catalonia and Andorra. The state of the question and proposals to complete our knowledge. After a selection of bibliographical sources, the authors analyse the current level of the knowledge of ...
L'anàlisi de nombrosos inventaris procedents dels Pirineus centrals i orientals ens ha dut a realitzar una revisió de I'aliança Polygonion avicularis Br.-Bl. ex Dich 1933 en aquesta àrea. Reconeixem fins al moment sis ...
This paper contains the conclusion of a mycological survey of western Catalonia. The first part of the results was published in Acta Bot. Barc. 45 (Homenatge a Oriol de Bolòs): 57-89. The present part covers the last two ...
The alliance Agropyro-Rumicion in the eastern half of the Iberian Pyrenees. This alliance, related to eurosiberian landscapes, is represented in the studied area by three associations, all them inhabiting wet and ruderalized ...
Spore germination in Rhizopogon abietis, R. luteolus, R. roseolus and R. villosulus was induced in the presence of Rhodotorula glutinis and activated charcoal, in agar medium (N6:5). In one R. roseolus sample, 51% of spores ...
Fifty-five collections misidentified and stored in various institutional herbaria, under severa1 Rhizopogon species narnes, are revised. Among these, twelve belong to Ascomycotina and 9 were identified to species level; ...
