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Mixed forests plantations with naturalized broadleaves and nitrogen fixing species

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dc.contributor.authorMonteiro, Maria do Loreto
dc.contributor.authorCaldas, Sandra
dc.contributor.authorPatrício, Maria Sameiro
dc.contributor.authorNunes, Luís
dc.contributor.authorPereira, Ermelinda
dc.date.accessioned2011-03-09T11:33:31Z
dc.date.available2011-03-09T11:33:31Z
dc.date.issued2009
dc.description.abstractTwo experimental trials of planted forest were established in Northeast of Portugal, in 1998, concerning the Project PRAXIS XXI – 3/3.2/Flor/2127/95. Each essay is composed by main broadleaves species to produce high quality timber. These species are mixed with secondary N-fixing trees. One trial has thirty six plots concerning twelve diferents treatments with three replications, composed by main species: Prunus avium, Juglans nigra and Fraxinus excelsior, in association with Alnus cordata. The other trial has thirty plots correspondents a ten diferents treatments with three replications, is arranged by main species: Prunus avium, Quercus rubra and Castanea sativa in association with Robinia pseudoacacia. The aim is to study the possible benefits among the production of the main species, the presence of N-fixing species, and so dendrometric data were collected in all plants of each essay. At the same time, the rate of survival of each species was calculated. On the other hand, following Raison et al. (1987) methodology, incubations were performed in situ soil, in order to evaluate the possible profits of nitrogen on the soil, and also its effects of the main species. The results show that the main species grow better in height and diameter when associated with the N-fixing trees, comparatively with the respective monocultures. The availability of nitrogen, measured for the amount of N-NH4+ and N-NO3-, doesn´t show significant differences throughout the period of study and among the plots in analysis. Such can be due to the fact that we are dealing with very young mixed plantation and because the data collected refer to a period that was relatively short and particularly dry. These study concerning very young mixed plantations and can be researched along. To these stands are attributed high importances because they are much more natural, sustainable and stable, with big diversity and they improve the landscape aesthetic. Key-words: Mixed forests plantations; main species (Prunus avium, Juglans nigra, Fraxinus excelsior, Castanea sativa and Quercus rubra); secondary N2 fixing species (Alnus cordata and Robinia pseudoacacia).por
dc.identifier.citationMonteiro, M.L.; Caldas, S.; Patrício, M.S; Nunes, L.F.; Pereira, E. (2009). Mixed forests plantations with naturalized broadleaves and nitrogen fixing species. In XIII World Forestry Congress. Buenos Airespor
dc.identifier.urihttp://hdl.handle.net/10198/3603
dc.language.isoengpor
dc.peerreviewedyes
dc.publisherFAOpor
dc.relationPRAXIS XXI – 3/3.2/Flor/2127/95
dc.subjectMixed forestspor
dc.subjectNaturalized broadleavespor
dc.subjectNitrogen fixationpor
dc.titleMixed forests plantations with naturalized broadleaves and nitrogen fixing speciespor
dc.typeconference object
dspace.entity.typePublication
oaire.citation.conferencePlaceBuenos Aires, Argentinapor
oaire.citation.titleXIII World Forestry Congresspor
person.familyNamePatrício
person.familyNameNunes
person.familyNamePereira
person.givenNameMaria Sameiro
person.givenNameLuís
person.givenNameErmelinda
person.identifier.ciencia-id6310-0055-C4A0
person.identifier.ciencia-id3916-218E-1629
person.identifier.orcid0000-0001-7773-8802
person.identifier.orcid0000-0002-8913-785X
person.identifier.orcid0000-0002-9431-5059
person.identifier.ridG-6811-2014
person.identifier.scopus-author-id35222136400
person.identifier.scopus-author-id35222136600
person.identifier.scopus-author-id35222107200
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublicationa6358916-0f73-473d-b43c-26c7de98d4e3
relation.isAuthorOfPublicatione5a7d07d-f55c-4068-a4ec-258574539652
relation.isAuthorOfPublication9d6b3744-286d-42bc-b363-533450bdb07c
relation.isAuthorOfPublication.latestForDiscovery9d6b3744-286d-42bc-b363-533450bdb07c

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