Seasonal Variations of Marine Environment and Primary Production in the Taiwan Strait
作者： Hsiao-Chun Tseng , Wan-Lynn You , Wei Huang , Chih-Ching Chung , An-Yi Tsai
关键词: Food web 、 Oceanography 、 Upwelling 、 Photic zone 、 Environmental science 、 Nutrient 、 Hydrography 、 Water mass 、 Marine ecosystem 、 Photosynthetically active radiation
摘要: The first data set of seasonal marine environment and euphotic zone integrated primary production (IP) variations in the Taiwan Strait was reported. measured annual IP 123±86 gC m-2 y-1 (338±235 mgC d-1), its can be described with a left-skewed normal distribution curve. average values from highest to lowest were summer (664±270 autumn (350±118 spring (202±110 d-1) winter (137±68 d-1). during nutrient-rich because it had short insolation duration, low incident photosynthetic active radiation (PAR) light transmission (shallow depth) due strong vertical mixing. In contrast winter, nutrient-depleted summer, which long high PAR (deeper depth). addition, heterotrophic nutrients upwelling south might also support summer. As three water masses exist them have different characteristics, mixing ratios may cause chemical hydrographic conditions, leads levels Chl concentrations production. It is worth mention that offshore wind farm (OWF) construction Changyun Rise (CYR) on-going. foundation for ecosystem supports food web fish stock, results this research not only used as baseline evaluating OWF impact on but assessing their influence fishery resources.
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