<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="static/style.xsl"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-04-14T02:19:30Z</responseDate><request verb="GetRecord" identifier="oai:www.recercat.cat:10459.1/60336" metadataPrefix="qdc">https://recercat.cat/oai/request</request><GetRecord><record><header><identifier>oai:recercat.cat:10459.1/60336</identifier><datestamp>2024-12-05T21:33:13Z</datestamp><setSpec>com_2072_3622</setSpec><setSpec>col_2072_479130</setSpec></header><metadata><qdc:qualifieddc xmlns:qdc="http://dspace.org/qualifieddc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:dcterms="http://purl.org/dc/terms/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:doc="http://www.lyncode.com/xoai" xsi:schemaLocation="http://purl.org/dc/elements/1.1/ http://dublincore.org/schemas/xmls/qdc/2006/01/06/dc.xsd http://purl.org/dc/terms/ http://dublincore.org/schemas/xmls/qdc/2006/01/06/dcterms.xsd http://dspace.org/qualifieddc/ http://www.ukoln.ac.uk/metadata/dcmi/xmlschema/qualifieddc.xsd">
   <dc:title>Datos sobre la variabilidad de algunos parámetros ecológicos en cuatro comunidades nitrófilas barcelonesas</dc:title>
   <dc:creator>Cortina, J.</dc:creator>
   <dc:creator>Sebastià, Ma. T.</dc:creator>
   <dc:creator>Soriano, Ignacio</dc:creator>
   <dc:creator>Casals, Pere</dc:creator>
   <dc:creator>Álvarez de la Campa, J. M.</dc:creator>
   <dc:creator>Vallejo Calzada, V. R.</dc:creator>
   <dc:subject>Botànica</dc:subject>
   <dc:subject>Males herbes</dc:subject>
   <dcterms:abstract>Se estudian cuatro comunidades ruderales de 10s alrededores de Barcelona (Chenopodietum muralis, Silybo-Urticetum, Carduo-Hordeetum e Inulo-Oryzopsietum) desde una perspectiva fitosociológica (inventariosflorísticos, espectros de familias, distribución fitogeografica y formas vitales) y edafológica (analisis de parametros físico-químicos del suelo, con especial énfasis en las formas minerales de nitrogeno). Los resultados ponen de manifiesto la variabilidad de hábitats y composición florística de estas comunidades. Por otra parte, las bajas acumulaciones de diferentes formas de N mineral no parecen confirmar su pretendida nitrofilia.</dcterms:abstract>
   <dcterms:abstract>Data   on &#xd;
the   variability &#xd;
of &#xd;
some &#xd;
ecological &#xd;
parameters &#xd;
in &#xd;
four &#xd;
nitrophilous communities &#xd;
of &#xd;
Barcelona. &#xd;
Four   ruderal &#xd;
communities &#xd;
around &#xd;
Barcelona &#xd;
(Chenopodietum &#xd;
muralis, &#xd;
Silybo-Urticetum, Carduo-Hordeetum &#xd;
and &#xd;
Inulo-Oryzopsietum) &#xd;
are &#xd;
examined &#xd;
from &#xd;
a  phytocoenological &#xd;
and &#xd;
pedological  point &#xd;
of &#xd;
view. &#xd;
This &#xd;
includes &#xd;
floristic &#xd;
inventories &#xd;
(Braun-Blanquet method), &#xd;
evaluation &#xd;
of &#xd;
different  plant  families,  phytogeographical  distribution &#xd;
and &#xd;
biological &#xd;
forms &#xd;
and &#xd;
analysis &#xd;
of &#xd;
physico-chemical  soil &#xd;
properties, &#xd;
paying &#xd;
especial &#xd;
attention &#xd;
to &#xd;
the &#xd;
mineral forms &#xd;
of &#xd;
nitrogen. &#xd;
Results   show &#xd;
remarkable &#xd;
variability &#xd;
in &#xd;
habitat   and &#xd;
floristic &#xd;
composition. &#xd;
Low &#xd;
accumulations &#xd;
of &#xd;
N &#xd;
mineral &#xd;
forms &#xd;
seem &#xd;
to &#xd;
contradict &#xd;
nitrophilic hypothesis &#xd;
for &#xd;
these &#xd;
ruderal &#xd;
communities.</dcterms:abstract>
   <dcterms:dateAccepted>2024-12-05T21:33:13Z</dcterms:dateAccepted>
   <dcterms:available>2024-12-05T21:33:13Z</dcterms:available>
   <dcterms:created>2024-12-05T21:33:13Z</dcterms:created>
   <dcterms:issued>2017-10-20T12:24:03Z</dcterms:issued>
   <dcterms:issued>2017-10-20T12:24:03Z</dcterms:issued>
   <dcterms:issued>1988</dcterms:issued>
   <dcterms:issued>2017-10-20T12:24:03Z</dcterms:issued>
   <dc:type>info:eu-repo/semantics/article</dc:type>
   <dc:type>info:eu-repo/semantics/publishedVersion</dc:type>
   <dc:identifier>http://hdl.handle.net/10459.1/60336</dc:identifier>
   <dc:relation>Reproducció del document publicat a: http://www.raco.cat/index.php/ActaBotanica/article/view/59526/86671</dc:relation>
   <dc:relation>Acta Botànica Barcinonensia, 1988, vol. 37, p. 79-94</dc:relation>
   <dc:rights>(c) Universitat de Barcelona, 1988</dc:rights>
   <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
   <dc:publisher>Universitat de Barcelona, Departament de Biologia Vegetal</dc:publisher>
</qdc:qualifieddc></metadata></record></GetRecord></OAI-PMH>