Artículo
Reply to: Data do not support large-scale oligotrophication of terrestrial ecosystems
Craine, Joseph M.; Elmore, Andrew J.; Wang, Lixin; Boeckx, Pascal; Delzon, Sylvain; Fang, Yunting; Gray, Alan; Guerrieri, Rossella; Gundale, Michael J.; Hietz, Peter; Nelson, David M.; Peri, Pablo Luis
; Templer, Pamela H.; Werner, Christiane
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Fecha de publicación:
09/2019
Editorial:
Nature Publishing Group
Revista:
Nature Ecology and Evolution
ISSN:
2397-334X
Idioma:
Inglés
Tipo de recurso:
Artículo publicado
Clasificación temática:
Resumen
There are many reasons that the isotopic signature of deposited N is unlikely to be causing the declines in plant δ15N. Although our analysis of foliar δ15N was limited to after 1980, declines in foliar, tree-ring and sediment δ15N pre-date the onset of widespread inorganic N fertilizer use, as well as any timing ofshifts to more reduced forms of N in deposition. Also, despite variation in the isotopic signatures of N deposition and its sources, there is no evidence currently that the signature of atmospheric N deposition has been declining overtime. A global, comprehensive dataset on the signature of N deposition does not exist and would be helpful to generate. Yet, even if the isotopic signature of N deposition has been declining, changes in N availability can have a stronger influence on plant δ15N than the signature of added N.
Palabras clave:
oligotrophication
,
N availability
,
plant δ15N
,
N deposition
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Articulos(SEDE CENTRAL)
Articulos de SEDE CENTRAL
Articulos de SEDE CENTRAL
Citación
Craine, Joseph M.; Elmore, Andrew J.; Wang, Lixin; Boeckx, Pascal; Delzon, Sylvain; et al.; Reply to: Data do not support large-scale oligotrophication of terrestrial ecosystems; Nature Publishing Group; Nature Ecology and Evolution; 3; 9; 9-2019; 1287-1288
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