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Wind-driven stratification patterns and dissolved oxygen depletion in the area off the Changjiang (Yangtze) Estuary

Abstract.

"The area off the Changjiang Estuary is under strong impact of fresh water and anthropogenic nutrient load from the Changjiang River. The seasonal hypoxia in the area has variable location and range, but the decadal trend reveals expansion and intensification of the dissolved oxygen (DO) depletion. [...]"

Source: Biogeosciences
Authors: Taavi Liblik et al.
DOI: 10.5194/bg-2019-421

Read the full article here.


Role of organic components in regulating denitrification in coastal water of Daya Bay, southern China

Abstract.

"Both dissolved and particulate organic materials have been proposed to be important factors in regulating the heterotrophic denitrification in various aquatic environments. However, specific pathways and mechanisms remain elusive. In this study, water column samples were collected from Daya Bay, southern China, to examine the relationships between potential denitrification and different organic components in the water column. Bulk dissolved organic carbon (DOC) was categorized into three major components including terrigenous fluorescent (tFDOC), autochthonous fluorescent (bFDOC) and non-fluorescent (nFDOC) fractions, while the bulk particulate organic carbon (POC) was divided into terrigenous (tPOC) and autochthonous (bPOC) based on an isotope mixing model [...]"

Source: Environmental Science: Processes & Impacts
Authors: Jian Zeng
DOI: 10.1039/C8EM00558C

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Macroalgal Blooms on the Rise along the Coast of China

Abstract.

"A broad spectrum of events that come under the category of macroalgal blooms are recognized world-wide as a response to elevated levels of eutrophication in coastal areas. In the Yellow Sea of China, green tides have consecutively occurred 10 years, which is considered as the world’s largest Ulva blooms. However, in recently years, golden tides caused by Sargassum seaweed have also been on the rapid rise, resulting in dramatic damage to the environment and economy again.  [...]"

Source: Oceanography & Fisheries
Authors: Jianheng Zhang, Yuanzi Huo and Peimin He 
DOI: 10.19080/OFOAJ.2017.04.555646

Read the full article here.


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