Détail de l'auteur
Documents disponibles écrits par cet auteur (4)
Ajouter le résultat dans votre panier Affiner la recherche
Communication à un Congrès (avec Actes)
E. Luis ; R. Tárrega ; T. Zuazúa ; L. Calvo | Zaragoza [Espagne] : CIHEAM-IAMZ | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 1989Three shrubland zones have been studied with the aim of knowledge the regeneration of shrub vegetation community after the impact of several degenerative and drastic processes as rooting up, cutting or fire. Four control plots of about 100 m2 we[...]
Communication à un Congrès (avec Actes)
R. Tárrega ; E. Luis | Zaragoza [Espagne] : CIHEAM-IAMZ | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 1989Five years of post-fire regeneration in Quercus pyrenalca ecosystems of Leon province were studied. One month after the fire most of the present species have probably sprout by vegetative means. The highest values of diversity and fugacity index[...]
Communication à un Congrès (avec Actes)
L. Calvo ; E. Luis ; R. Tárrega | Zaragoza [Espagne] : CIHEAM-IAMZ | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 1989First phases of regeneration in three types of heath communities after fire, cutting and uprooting in experimental plots have been studied, devoting a particular attention to the herbaceous species. Greater rate of perennial than annual species [...]
Communication à un Congrès (avec Actes)
E. Luis ; E. Garzón ; R. Tárrega ; L. Calvo | Zaragoza [Espagne] : CIHEAM-IAMZ | Options Méditerranéennes : Série A. Séminaires Méditerranéens, ISSN 0253-1542 | 1989Soil physical and chemical characteristics of 38 shrub communities, located in Leon province, have been studied and compared with the dominant ligneous species. All the samples have been compared using a factorial analysis of principal component[...]
