Please use this identifier to cite or link to this item: http://hdl.handle.net/1893/23359
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dc.contributor.authorPerez, Cecilia-
dc.contributor.authorAravena, Juan Carlos-
dc.contributor.authorSilva, Wladimir-
dc.contributor.authorMcCulloch, Robert-
dc.contributor.authorParfitt, Roger-
dc.date.accessioned2017-02-11T01:59:55Z-
dc.date.issued2016-
dc.identifier.urihttp://hdl.handle.net/1893/23359-
dc.description.abstractAfter catastrophic disturbances, depleted substrates are readily colonised by organisms that capture nitrogen from the atmosphere and extract phosphorus from minerals. Our main objective was to compare the pattern of ecosystem development following deglaciation in Chile and New Zealand. Results show a similar pattern of C and N accumulation and decline in soil chronosequences, similar decline in biological nitrogen fixation (BNF) and similar δ 15N-enriched signal at later stages, providing evidence for the existence of progressive, maximal and retrogressive phases of ecosystem development. However, contrasting patterns between Chilean and New Zealand sites are evident during the progressive phase, when higher C/N, C/P and N/P ratios are found in soils and leaves in Chile than in New Zealand, suggesting a higher nutrient limitation and nutrient use efficiency in the former. Highest rates of BNF were found at the early stages of both the Chilean and New Zealand chronosequences. Contrasting patterns across regions were the lack of a decline in soil total P, and the depleted values in soils of 15N during the progressive phase in the Chilean chronosequences, but enriched values, suggesting an open nitrogen cycle, during retrogression in both the Chilean and the New Zealand chronosequences. Overall, these results provide evidence for the existence of retrogression with ecosystem development in the sub-Antarctic region of the world, even when comparing contrasting biomes, climatic regions and geological substrates.en_UK
dc.language.isoen-
dc.publisherTaylor and Francis-
dc.relationPerez C, Aravena JC, Silva W, McCulloch R & Parfitt R (2016) Patterns of ecosystem development in glacial foreland chronosequences: a comparative analysis of Chile and New Zealand, New Zealand Journal of Botany, 54 (2), pp. 156-174.-
dc.rightsThe publisher does not allow this work to be made publicly available in this Repository. Please use the Request a Copy feature at the foot of the Repository record to request a copy directly from the author. You can only request a copy if you wish to use this work for your own research or private study.-
dc.subjectBiological nitrogen fixationen_UK
dc.subjectFranz Josefen_UK
dc.subjectretrogressionen_UK
dc.subjectsoil/leaves stoichiometryen_UK
dc.subjectsub-Antarctic forestsen_UK
dc.titlePatterns of ecosystem development in glacial foreland chronosequences: a comparative analysis of Chile and New Zealanden_UK
dc.typeJournal Articleen_UK
dc.rights.embargodate2999-12-31T00:00:00Z-
dc.rights.embargoreasonThe publisher does not allow this work to be made publicly available in this Repository therefore there is an embargo on the full text of the work.-
dc.identifier.doihttp://dx.doi.org/10.1080/0028825X.2016.1143018-
dc.citation.jtitleNew Zealand Journal of Botany-
dc.citation.issn0028-825X-
dc.citation.volume54-
dc.citation.issue2-
dc.citation.spage156-
dc.citation.epage174-
dc.citation.publicationstatusPublished-
dc.citation.peerreviewedRefereed-
dc.type.statusPublisher version (final published refereed version)-
dc.author.emailrobert.mcculloch@stir.ac.uk-
dc.citation.date07/06/2016-
dc.contributor.affiliationInstitute of Ecology and Biodiversity-
dc.contributor.affiliationUniversidad de Magallanes-
dc.contributor.affiliationInstitute of Ecology and Biodiversity-
dc.contributor.affiliationBiological and Environmental Sciences-
dc.contributor.affiliationLandcare Research, New Zealand-
dc.rights.embargoterms2999-12-31-
dc.rights.embargoliftdate2999-12-31-
dc.identifier.isi000379825900005-
Appears in Collections:Biological and Environmental Sciences Journal Articles

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