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Carbon and nutrient inputs by litterfall into three chestnut high forest stands in North Portugal

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dc.contributor.authorPatrício, Maria Sameiro
dc.contributor.authorPereira, Ermelinda
dc.contributor.authorNunes, Luís
dc.contributor.authorMonteiro, Maria do Loreto
dc.date.accessioned2011-05-12T15:41:48Z
dc.date.available2011-05-12T15:41:48Z
dc.date.issued2007
dc.description.abstractThe litterfall in three high forest chestnut stands, located in different soil types, in Bornes, Marão and Padrela, north of Portugal, with 45, 63 and 65 years old, respectively, was collected during two years in December by a quadrate method with 0.5*0.5m. To the sampling of the presented study there were collected four kinds of samples – (1) leaf litter constituted by vegetal materials resulting from the litterfall of the year; (2) leaf litter constituted by a mixture of vegetal materials in different decomposition stages; (3) soil from 0-5 cm depth and (4) soil from 5-10 cm depth. The litter of the year was separated into the fractions leaves, branches, fruits and fruit cases. The fractions were dried at 70ºC, weighted and the concentrations of N, P, K, Ca, Mg, S, B e C were measured. The total amount of litter in the three chestnut stands was 8.3, 7.7 and 12.4 Mg ha-1, respectively. Leaves are the main constituents of the total litter with 54, 62 and 50 %, respectively. The proportion of the other litter fractions varies between 10 and 19 % for the hedgehogs, 20 and 32 % for the branches and 4 and 10 % for the fruits. Regarding the concentration of the nutrients in the litter fractions, in general, leaves are rich in N>Ca>Mg>K>P>S; fruits are rich in N>K>Mg>Ca>P>S. In branches, the N and Ca concentration dominate by far and the fruit cases are rich in N and K. The return of nutrients by litterfall is relevant: it varies between 57 and 141.6 kg ha-1 year-1 for N, 5 and 10 kg ha-1 year-1 for P, 13 and 45 kg ha-1 year-1 for K, 28 and 65 kg ha-1 year-1 for Ca, 18 and 34 kg ha-1 year-1 for Mg, 2 and 8 kg ha-1 year-1 for S, 87 and 117 g ha-1 year-1 for B. The carbon in the litterfall varies between 4 and 6.3 Mg ha-1 year-1. It was verified that the biomass nutrients concentrations is strongly dependent of the soil like suggest some authors.por
dc.identifier.citationPatrício, Maria do Sameiro; Pereira, Ermelinda; Nunes, Luís; Monteiro, Maria do Loreto (2007). Carbon and nutrient inputs by litterfall into three chestnut high forest stands in north Portugal. In International Workshop on Chestnut, Management in Mediterranean Countries: Problems and Prospects. Bursapor
dc.identifier.urihttp://hdl.handle.net/10198/4256
dc.language.isoengpor
dc.peerreviewedyespor
dc.relationMIXED FORESTS. MODELLING, DYNAMICS AND GEOGRAPHICAL DISTRIBUTION OF PRODUCTIVITY AND CARBON STORAGE IN MIXED FOREST ECOSYSTEMS IN PORTUGAL
dc.subjectSweet chestnutpor
dc.subjectLitterfall biomasspor
dc.subjectNutrient concentrationspor
dc.subjectCarbonpor
dc.titleCarbon and nutrient inputs by litterfall into three chestnut high forest stands in North Portugalpor
dc.typeconference object
dspace.entity.typePublication
oaire.awardTitleMIXED FORESTS. MODELLING, DYNAMICS AND GEOGRAPHICAL DISTRIBUTION OF PRODUCTIVITY AND CARBON STORAGE IN MIXED FOREST ECOSYSTEMS IN PORTUGAL
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FAGR-CFL%2F68186%2F2006/PT
oaire.citation.conferencePlaceBursa-Turkeypor
oaire.citation.titleInternational Workshop on Chestnutpor
oaire.fundingStream5876-PPCDTI
person.familyNamePatrício
person.familyNamePereira
person.familyNameNunes
person.givenNameMaria Sameiro
person.givenNameErmelinda
person.givenNameLuís
person.identifier.ciencia-id6310-0055-C4A0
person.identifier.ciencia-id3916-218E-1629
person.identifier.orcid0000-0001-7773-8802
person.identifier.orcid0000-0002-9431-5059
person.identifier.orcid0000-0002-8913-785X
person.identifier.ridG-6811-2014
person.identifier.scopus-author-id35222136400
person.identifier.scopus-author-id35222107200
person.identifier.scopus-author-id35222136600
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspor
rcaap.typeconferenceObjectpor
relation.isAuthorOfPublicationa6358916-0f73-473d-b43c-26c7de98d4e3
relation.isAuthorOfPublication9d6b3744-286d-42bc-b363-533450bdb07c
relation.isAuthorOfPublicatione5a7d07d-f55c-4068-a4ec-258574539652
relation.isAuthorOfPublication.latestForDiscoverye5a7d07d-f55c-4068-a4ec-258574539652
relation.isProjectOfPublication57314eab-f8e9-4db6-afd7-021eb911feb5
relation.isProjectOfPublication.latestForDiscovery57314eab-f8e9-4db6-afd7-021eb911feb5

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