Zobrazeno 1 - 6
of 6
pro vyhledávání: '"T. M. M. Carvalho"'
Publikováno v:
Canadian Journal of Mathematics. 64:44-80
We consider the Randers space (Vn, Fb) obtained by perturbing the Euclidean metric by a translation, Fb = α + β, where α is the Euclidean metric and β is a 1-form with norm b, 0 ≤ b < 1. We introduce the concept of a hypersurface with constant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0c870d575449ad429324e49472416d25
https://doi.org/10.4153/cjm-2011-047-4
https://doi.org/10.4153/cjm-2011-047-4
Publikováno v:
Land Degradation & Development. 13:177-188
This paper examines the effectiveness of European Union (EU) agroforestry programmes in reversing land degradation processes in the Macao region of central Portugal. Since the 1980s, the region has experienced severe forest fires, which have had seri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc4d050b30c8386a3135efa39b46c588
https://doi.org/10.1002/ldr.482
https://doi.org/10.1002/ldr.482
Autor:
Celeste Coelho, T. M. M. Carvalho
Publikováno v:
Journal of Hazardous Materials. 61:263-270
As a result of a combination of natural processes (e.g. strong littoral drift) and anthropogenic action (e.g. groins), coastal erosion is rapid in some areas of the western Portuguese coast. These factors together contribute to high coastline retreat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1116155d64a8539a709dd516f2690a94
https://doi.org/10.1016/s0304-3894(98)00131-9
https://doi.org/10.1016/s0304-3894(98)00131-9
Autor:
R. Naciri, Miloud Chaker, Jan Jacob Keizer, R. Naafa, K. Regaya, Abdellah Laouina, T. M. M. Carvalho, A. K. Boulet, Celeste Coelho, António J. D. Ferreira
Publikováno v:
Soil Research. 43:309
Forest areas of the Mediterranean regions of Portugal, Morocco, and Tunisia are suffering major land use changes, with the replacement of traditional evergreen Quercus species (i.e. Quercus suber and Quercus ilex) by fast-growing Eucalyptus species.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::027f407bd234d86f2a31abd31dbe2623
https://doi.org/10.1071/sr04083
https://doi.org/10.1071/sr04083
Publikováno v:
Land Degradation & Development; Mar/Apr2002, Vol. 13 Issue 2, p177-188, 12p
Autor:
A. K. Boulet, Miloud Chaker, António J. D. Ferreira, Abdellah Laouina, Jan Jacob Keizer, R. Nafaa, Celeste Coelho, R. Naciri, K. Regaya, A. Hamza, T. M. M. Carvalho
Publikováno v:
Scopus-Elsevier
CIÊNCIAVITAE
CIÊNCIAVITAE
Les zones marginales du Maghreb subissent actuellement de rapides changements au niveau des types d'usage des sols. L'augmentation de la pression démographique au cours des dernières décennies a poussé leur population à intensifier leur système
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5357e4780d76b9a9edc2d33f0c7d4f2d
http://www.scopus.com/inward/record.url?eid=2-s2.0-4644335802&partnerID=MN8TOARS
http://www.scopus.com/inward/record.url?eid=2-s2.0-4644335802&partnerID=MN8TOARS
