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An approach to analyzing environmental drivers to spatial variations in annual distribution of periphytic protozoa in coastal ecosystems

Xu, Guangjian ; Xu, Henglong

Marine pollution bulletin, 2016-03, Vol.104 (1-2), p.107-112 [Periódico revisado por pares]

England: Elsevier Ltd

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Título:
An approach to analyzing environmental drivers to spatial variations in annual distribution of periphytic protozoa in coastal ecosystems
Autor: Xu, Guangjian ; Xu, Henglong
Assuntos: Ammonia - analysis ; ammonium nitrogen ; Bioassessment ; Biodiversity ; China ; Ciliophora - growth & development ; coastal water ; data collection ; dissolved oxygen ; Ecosystem ; ecosystems ; Environmental driver ; Environmental Monitoring - methods ; Marine ; Marine ecosystems ; Nitrogen - analysis ; nutrients ; Oceans and Seas ; Periphytic protozoa ; Protozoa ; Salinity ; Seawater - chemistry ; water pollution ; Water Pollution - analysis ; Water Quality
É parte de: Marine pollution bulletin, 2016-03, Vol.104 (1-2), p.107-112
Notas: http://dx.doi.org/10.1016/j.marpolbul.2016.01.055
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Descrição: The environmental drivers to the spatial variation in annual distribution were studied based on an annual dataset of periphytic protozoa using multivariate approaches. Samples were monthly collected at four stations within a pollution gradient in coastal waters of the Yellow Sea, northern China during a 1-year period. The second-stage (2STAGE) analyses showed that the internal patterns of the annual distribution were changed along the pollution gradient in terms of abundance. The dominant species represented different succession dynamics among four sampling stations during a 1-yearcycle. Best matching analysis demonstrated that the spatial variations in annual distribution of the protozoa were significantly correlated with ammonium nitrogen (NH4-N), alone or in combination with salinity and dissolved oxygen (DO). Based on the results, we suggest that the nutrients, salinity and DO may be the main drivers to shape the spatial variations in annual distribution of periphytic protozoa. •The internal patterns of annual distribution were changed along the pollution gradient.•The dominant species represented different succession dynamics among four stations.•Spatial variations in annual distribution were significantly related to abiotic variables.•Nutrients, salinity and DO may be the main drivers to shape the spatial variations.
Editor: England: Elsevier Ltd
Idioma: Inglês

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An approach to analyzing environmental drivers to spatial variations in annual distribution of periphytic protozoa in coastal ecosystems

Xu, Guangjian ; Xu, Henglong

England: Elsevier Ltd

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