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dc.contributor.author
Ewel, John J.
dc.contributor.author
Mazzarino, Maria Julia
dc.contributor.author
Celis, Gerardo
dc.date.available
2017-01-24T18:02:32Z
dc.date.issued
2014-01
dc.identifier.citation
Ewel, John J.; Mazzarino, Maria Julia; Celis, Gerardo; Soil changes in model tropical ecosystems: effects of stand longevity outweigh plant diversity and tree species identity in a fertile volcanic soil; Springer; Ecosystems; 17; 5; 1-2014; 820-836
dc.identifier.issn
1432-9840
dc.identifier.uri
http://hdl.handle.net/11336/11814
dc.description.abstract
Plant or community longevity can strongly influence soil fertility, yet it is seldom among the functional traits considered in studies of biodiversity and ecosystem functioning. For 11 years we tracked the influences of plant longevity, life-form richness, and tree species identity on 12 soil chemical properties in model ecosystems on an allophanic Andisol in the humid lowlands of Costa Rica. The design employed three levels of plant longevity: 1 year and 4 years (trees cut without biomass removal and replanted to same species), and uncut; two levels of life-form<br />diversity (tree alone, or tree plus palm plus giant perennial herb); and three eudicot, non-nitrogen<br />(N)-fixing tree species. The site?s Andisol proved remarkably resistant to treatment-induced loss of fertility. Although themagnitude of changeswas low, most properties declined during the early phases of plant growth, then stabilized or increased. The greatest declines occurred in stands of shortest life span, where organic matter inputs were low and leaching rates were high. In contrast, massive depositions of organic matter every 4 years sustained or augmented surface-soil cation concentrations, pH, organic carbon (SOC), and extractable phosphorus (P). An increase in diversity from one life form to three led to more SOC and calcium (Ca), whereas<br />potassium(K) decreaseddue to a species effect: high K uptake by the giant herb. The most notable treespecies effects concerned P: It increased under the species that had thehighest litterfall andmay facilitate apatite weathering; it decreased under the species of highest tissue-N concentrations. Through its effects on soil exposure and organic matter returns, plant longevity exerted greater influence on more soil properties than either diversity or species identity.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Springer
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Andisol
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Acidity
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Biodiversity
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Cationes
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Organic Matter
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Extractable Phosphorus
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Ecología
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Ciencias Biológicas
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CIENCIAS NATURALES Y EXACTAS
dc.title
Soil changes in model tropical ecosystems: effects of stand longevity outweigh plant diversity and tree species identity in a fertile volcanic soil
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2016-12-12T14:21:06Z
dc.journal.volume
17
dc.journal.number
5
dc.journal.pagination
820-836
dc.journal.pais
Alemania
dc.journal.ciudad
Berlin
dc.description.fil
Fil: Ewel, John J.. University Of Florida. Department Of Chemistry; Estados Unidos
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Fil: Mazzarino, Maria Julia. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Patagonia Norte. Instituto de Investigación En Biodiversidad y Medioambiente; Argentina. Universidad Nacional del Comahue. Centro Regional Universitario Bariloche; Argentina
dc.description.fil
Fil: Celis, Gerardo. University Of Florida. Department Of Chemistry; Estados Unidos
dc.journal.title
Ecosystems
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/http://link.springer.com/article/10.1007/s10021-014-9753-9
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/doi/http://dx.doi.org/10.1007/s10021-014-9753-9
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