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DOI | https://doi.org/10.1594/PANGAEA.890688 |
Seawater carbonate chemistry and chlorophyll a, primary productioin and algal community composition | |
Liu; Nana; Tong; Shanying; Yi; Xiangqi; Li; Yan; Li; Zhenzhen; Miao; Hangbin; Wang; Tifeng; Li; Futian; Yan; Dong; Huang; Ruiping; Wu; YaPing; Hutchins; David A; Beardall; John; Dai; Minhan; Gao; Kunshan | |
发布日期 | 2018-06-04 |
数据集类型 | dataset |
英文关键词 | Biomass/Abundance/Elemental composition ; Coast and continental shelf ; Community composition and diversity ; Entire community ; Field experiment ; Mesocosm or benthocosm ; North Pacific ; North Pacific ; Pelagos ; Primary production/Photosynthesis ; Temperate |
英文简介 | A mesocosm experiment was conducted in Wuyuan Bay (Xiamen), China, to investigate the effects of elevated pCO2 on bloom formation by phytoplankton species previously studied in laboratory-based ocean acidification experiments, to determine if the indoor-grown species performed similarly in mesocosms under more realistic environmental conditions. We measured biomass, primary productivity and particulate organic carbon (POC) as well as particulate organic nitrogen (PON). Phaeodactylum tricornutum outcompeted Thalassiosira weissflogii and Emiliania huxleyi, comprising more than 99% of the final biomass. Mainly through a capacity to tolerate nutrient-limited situations, P. tricornutum showed a powerful sustained presence during the plateau phase of growth. Significant differences between high and low CO2 treatments were found in cell concentration, cumulative primary productivity and POC in the plateau phase but not during the exponential phase of growth. Compared to the low pCO2 (LC) treatment, POC increased by 45.8–101.9% in the high pCO2 (HC) treated cells during the bloom period. Furthermore, respiratory carbon losses of gross primary productivity were found to comprise 39–64% for the LC and 31–41% for the HC mesocosms (daytime C fixation) in phase II. Our results suggest that the duration and characteristics of a diatom bloom can be affected by elevated pCO2. Effects of elevated pCO2 observed in the laboratory cannot be reliably extrapolated to large scale mesocosms with multiple influencing factors, especially during intense algal blooms. |
空间范围 | Latitude: 24.520000 * Longitude: 118.200000 |
时间范围 | 2013-06-15T00:00:00 - 2013-06-15T00:00:00 |
语种 | 英语 |
国家 | 国际 |
学科大类 | 气候变化 |
学科子类 | 气候变化 |
文献类型 | 数据集 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/216156 |
推荐引用方式 GB/T 7714 | Liu,Nana,Tong,et al. Seawater carbonate chemistry and chlorophyll a, primary productioin and algal community composition.2018-06-04.https://doi.org/10.1594/PANGAEA.890688. |
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