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Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem

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Resumo:Heterogeneity and dynamics of eight soil surface characteristics essential for plantsdammonium and nitrate concentrations, water content, temperature, pH, organic matter, nitrification and ammonification ratesdwere studied in a Mediterranean-type ecosystem on four occasions over a year. Soil properties varied seasonally and were influenced by plant species. Nitrate and ammonium were present in the soil at similar concentrations throughout the year. The positive correlation between them at the time of greatest plant development indicates that ammonium is a readily available nitrogen source in Mediterranean-type ecosystems. The results presented here suggest that plant cover significantly affects soil surface characteristics.
Autores principais:Cruz, Cristina
Outros Autores:Bio, Ana M.F.; Jullioti, Aldo; Tavares, Alice; Dias, Teresa; Martins-Loução, Maria Amélia
Assunto:Soil nitrogen availability Mediterranean Nitrate Ammonium Plant functional types
Ano:2008
País:Portugal
Tipo de documento:artigo
Tipo de acesso:acesso restrito
Instituição associada:Universidade de Lisboa
Idioma:inglês
Origem:Repositório da Universidade de Lisboa
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author Cruz, Cristina
author2 Bio, Ana M.F.
Jullioti, Aldo
Tavares, Alice
Dias, Teresa
Martins-Loução, Maria Amélia
author2_role author
author
author
author
author
author_facet Cruz, Cristina
Bio, Ana M.F.
Jullioti, Aldo
Tavares, Alice
Dias, Teresa
Martins-Loução, Maria Amélia
author_role author
contributor_name_str_mv Repositório Científico de Acesso Aberto da ULisboa
country_str PT
creators_json_txt [{\"Person.name\":\"Cruz, Cristina\"},{\"Person.name\":\"Bio, Ana M.F.\"},{\"Person.name\":\"Jullioti, Aldo\"},{\"Person.name\":\"Tavares, Alice\"},{\"Person.name\":\"Dias, Teresa\"},{\"Person.name\":\"Martins-Loução, Maria Amélia\"}]
datacite.contributors.contributor.contributorName.fl_str_mv Repositório Científico de Acesso Aberto da ULisboa
datacite.creators.creator.creatorName.fl_str_mv Cruz, Cristina
Bio, Ana M.F.
Jullioti, Aldo
Tavares, Alice
Dias, Teresa
Martins-Loução, Maria Amélia
datacite.date.Accepted.fl_str_mv 2008-01-01T00:00:00Z
datacite.date.available.fl_str_mv 2011-09-08T10:13:07Z
datacite.date.embargoed.fl_str_mv 2011-09-08T10:13:07Z
datacite.rights.fl_str_mv http://purl.org/coar/access_right/c_16ec
datacite.subjects.subject.fl_str_mv Soil nitrogen availability
Mediterranean
Nitrate
Ammonium
Plant functional types
datacite.titles.title.fl_str_mv Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
dc.contributor.none.fl_str_mv Repositório Científico de Acesso Aberto da ULisboa
dc.creator.none.fl_str_mv Cruz, Cristina
Bio, Ana M.F.
Jullioti, Aldo
Tavares, Alice
Dias, Teresa
Martins-Loução, Maria Amélia
dc.date.Accepted.fl_str_mv 2008-01-01T00:00:00Z
dc.date.available.fl_str_mv 2011-09-08T10:13:07Z
dc.date.embargoed.fl_str_mv 2011-09-08T10:13:07Z
dc.format.none.fl_str_mv application/pdf
dc.identifier.none.fl_str_mv http://dx.doi.org/10.1016/j.envpol.2007.12.007
dc.language.none.fl_str_mv eng
dc.publisher.none.fl_str_mv Elsevier
dc.rights.none.fl_str_mv http://purl.org/coar/access_right/c_16ec
dc.subject.none.fl_str_mv Soil nitrogen availability
Mediterranean
Nitrate
Ammonium
Plant functional types
dc.title.fl_str_mv Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
dc.type.none.fl_str_mv http://purl.org/coar/resource_type/c_6501
description Heterogeneity and dynamics of eight soil surface characteristics essential for plantsdammonium and nitrate concentrations, water content, temperature, pH, organic matter, nitrification and ammonification ratesdwere studied in a Mediterranean-type ecosystem on four occasions over a year. Soil properties varied seasonally and were influenced by plant species. Nitrate and ammonium were present in the soil at similar concentrations throughout the year. The positive correlation between them at the time of greatest plant development indicates that ammonium is a readily available nitrogen source in Mediterranean-type ecosystems. The results presented here suggest that plant cover significantly affects soil surface characteristics.
dirty 0
eu_rights_str_mv restrictedAccess
format article
fulltext.url.fl_str_mv https://repositorio.ulisboa.pt/bitstreams/319709f2-3f83-4a54-aa62-6d580b5f5ff1/download
id ul_a091c19fad690ee2d46d394f78f9f3f6
identifier.doi.fl_str_mv http://dx.doi.org/10.1016/j.envpol.2007.12.007
instacron_str ul
institution Universidade de Lisboa
instname_str Universidade de Lisboa
language eng
network_acronym_str ul
network_name_str Repositório da Universidade de Lisboa
oai_identifier_str oai:repositorio.ulisboa.pt:10451/4044
organization_str_mv urn:organizationAcronym:ul
person_str_mv Cruz, Cristina
Bio, Ana M.F.
Jullioti, Aldo
Tavares, Alice
Dias, Teresa
Martins-Loução, Maria Amélia
publishDate 2008
publisher.none.fl_str_mv Elsevier
reponame_str Repositório da Universidade de Lisboa
repository_id_str urn:repositoryAcronym:ul
service_str_mv urn:repositoryAcronym:ul
spelling engElsevierenHeterogeneity and dynamics of eight soil surface characteristics essential for plantsdammonium and nitrate concentrations, water content, temperature, pH, organic matter, nitrification and ammonification ratesdwere studied in a Mediterranean-type ecosystem on four occasions over a year. Soil properties varied seasonally and were influenced by plant species. Nitrate and ammonium were present in the soil at similar concentrations throughout the year. The positive correlation between them at the time of greatest plant development indicates that ammonium is a readily available nitrogen source in Mediterranean-type ecosystems. The results presented here suggest that plant cover significantly affects soil surface characteristics.application/pdfporHeterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystemCruz, CristinaBio, Ana M.F.Jullioti, AldoTavares, AliceDias, TeresaMartins-Loução, Maria AméliaHostingInstitutionOrganizationalRepositório Científico de Acesso Aberto da ULisboae-mailmailto:repositorio@reitoria.ulisboa.ptrepositorio@reitoria.ulisboa.ptHandlehttp://hdl.handle.net/10451/4044ISSNIsPartOf0269-74912011-09-08T10:13:07Z20082008-01-01T00:00:00ZDOIhttp://dx.doi.org/10.1016/j.envpol.2007.12.007http://purl.org/coar/access_right/c_16ecrestricted accessSoil nitrogen availabilityMediterraneanNitrateAmmoniumPlant functional types793051 bytesliteraturehttp://purl.org/coar/resource_type/c_6501journal articlehttp://purl.org/coar/access_right/c_16ecapplication/pdffulltexthttps://repositorio.ulisboa.pt/bitstreams/319709f2-3f83-4a54-aa62-6d580b5f5ff1/download414423
spellingShingle Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
Cruz, Cristina
Soil nitrogen availability
Mediterranean
Nitrate
Ammonium
Plant functional types
status SINGLETON
subject.fl_str_mv Soil nitrogen availability
Mediterranean
Nitrate
Ammonium
Plant functional types
title Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
title_full Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
title_fullStr Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
title_full_unstemmed Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
title_short Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
title_sort Heterogeneity of soil surface ammonium concentration and other characteristics, related to plant specific variability in a Mediterranean-type ecosystem
topic Soil nitrogen availability
Mediterranean
Nitrate
Ammonium
Plant functional types
topic_facet Soil nitrogen availability
Mediterranean
Nitrate
Ammonium
Plant functional types
url http://dx.doi.org/10.1016/j.envpol.2007.12.007
visible 1