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首页> 外文期刊>Estuarine Coastal and Shelf Science >Nutrient cycling and primary production in Peninsular Malaysia waters; regional variation and its causes in the South China Sea
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Nutrient cycling and primary production in Peninsular Malaysia waters; regional variation and its causes in the South China Sea

机译：半岛马来西亚水域营养循环和初级生产;区域变异及其在南海的原因

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摘要

This multidisciplinary survey investigated the combined influence of riverine nutrient input, physical oceanography and monsoon season on water column primary production and nutrient cycling in east coast Peninsular Malaysia waters. Although the combined nutrient load of the regional rivers was similar to major rivers in the northern South China Sea, its influence on primary production was restricted to coastal stations. In the wet season (October-March) the higher riverine nutrient input and a generally well-mixed water column resulted in estimated primary production up to 82.9 mu g C L-1 h(-1). During the dry season (April-September) primary production (average 7.3 mu g C L-1 h(-1)) was driven by locally upwelled nutrient input in offshore southern waters and Gulf of Thailand-derived input in offshore northern waters. Dry season decoupling of dissolved organic nutrient production and consumption in seasonally stratified offshore waters resulted in its accumulation with the potential to act as a nutrient reservoir. This study therefore provides new insights into how the interplay of physical processes, meteorology and nutrient source influence primary production and associated biogeochemical cycles in this understudied region.
机译：该多学科调查研究了河流营养投入，物理学和季风季节对东海岸半岛马来西亚水域水柱初级生产和营养循环的综合影响。虽然区域河流的营养负荷与南海北部的主要河流相似，但其对初级生产的影响仅限于沿海站。在潮湿的季节（3月至3月）较高的河流营养输入和一般混合水柱的估计初级产量高达82.9μg-1 h（-1）。在干燥季节（4月至9月）初级生产（平均7.3亩G C L-1 H（-1））由海上南部水域和泰国海外北部水域的泰国州普罗夫湾的局部升高的营养投入驱动。溶解有机营养生产和季节性分层海水中的干燥季节去耦导致其积累，潜力充当营养水库。因此，本研究提供了对物理过程的相互作用，气象和营养源在该​​被削减的区域中对初级生产和相关生物地球化学循环的相互作用的新见解。

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