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Impact of plant invasion and increasing floods on total soil phosphorus and its fractions in the Minjiang River Estuarine Wetlands, China
Wang, Wei-Qi (Fujian Normal University)
Sardans i Galobart, Jordi (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Peñuelas, Josep (Centre de Recerca Ecològica i d'Aplicacions Forestals)
Zeng, Cong-Sheng (Fujian Normal University)
Tong, Chuan (Fujian Normal University)
Wang, Chun (Fujian Normal University)

Data: 2016
Resum: Wetland soils are frequently a sink of phosphorus (P). Plant invasion and increased flooding intensity projected by climate change models, can shift the soil wetland capacity to store P. We studied the impact of changes in flooding intensity and plant invasion on total soil-P concentrations in the Minjiang River estuarine wetland. Flooding had a weak positive effect on soil P-fractions concentrations, but this effect was largely counteracted by the negative effect of salinity. Soil clay concentration and pH, both of which depended more on species community composition than on flooding intensity, were directly related to the P-fraction concentrations. The replacement of the native mangrove community by the invasive plant P. australis was related to a decrease in the soil capacity to store P. Under increasing flooding intensity, the capacity of wetland soils to act as P sinks would largely depend on species composition. Native mangrove communities at high flooding intensities, the combination of S. triqueter, C. malaccensis, and P. australis wetlands at intermediate flooding intensities, and P. australis and C. malaccensis wetlands at low flooding intensities are likely to be the best management strategies to maintain both biodiversity and the capacity of these wetland soils to act as P sinks.
Nota: Número d'acord de subvenció MINECO/CGL2013-48074-P
Nota: Número d'acord de subvenció AGAUR/2014/SGR-274
Nota: Número d'acord de subvenció EC/FP7/610028
Drets: Tots els drets reservats
Llengua: Anglès
Document: article ; recerca ; acceptedVersion
Matèria: Clay ; Flooding ; Invasive plants ; Cyperus malaccensis ; Mangrove ; Phragmites australis ; N:P ; Soil P ; Soil P fractions ; Soil pH ; Soil texture ; Scirpus triqueter
Publicat a: Wetlands, Vol. 36, Issue 1, (February 2016) , p. 21-36

DOI: 10.1007/s13157-015-0712-9

Disponible a partir de: 2017-02-01

El registre apareix a les col·leccions:
Documents de recerca > Documents dels grups de recerca de la UAB > Centres i grups de recerca (producció científica) > Ciències > CREAF (Centre de Recerca Ecològica i d'Aplicacions Forestals) > Imbalance-P
Articles > Articles de recerca
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 Registre creat el 2016-03-10, darrera modificació el 2016-06-30

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