Journal of Tropical Oceanography ›› 2019, Vol. 38 ›› Issue (2): 48-57.doi: 10.11978/2018075CSTR: 32234.14.2018075
• Marine Biology • Previous Articles Next Articles
Impact of simulated warming and nutrients input on plankton community metabolism in Daya Bay*
Fuwu XIE1,2(
), Xingyu SONG3(), Yehui TAN3, Meiting TAN3, Yadong HUANG3, Huaxue LIU1()
- 1. Guangdong Provincial Key Laboratory of Fishery Ecological Environment, South China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Guangzhou 510300, China
2. Hainan Academy of Ocean and Fisheries Sciences (Hainan Provincial Marine Development Plan and Design Research Institute), Haikou, 571126, China
3. Key Laboratory of Tropical Marine Bio-resources and Ecology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China;
-
Received:2018-07-25Revised:2018-09-10Online:2019-03-20Published:2019-04-15 -
Supported by:National Key Research and Development Program of China (2017YFC0506302);National Basic Research Program (2015CB452904);National Natural Science Foundation of China (41276161)
CLC Number:
- P735.12
Cite this article
Fuwu XIE, Xingyu SONG, Yehui TAN, Meiting TAN, Yadong HUANG, Huaxue LIU. Impact of simulated warming and nutrients input on plankton community metabolism in Daya Bay*[J].Journal of Tropical Oceanography, 2019, 38(2): 48-57.
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Fig. 1
Maps of sampling stations in Daya Bay"
Fig. 1
Tab. 1
Simulation experimental design in Daya Bay during summer and winter"
| 单因素模拟实验条件(M1) | 交互模拟实验(M2) | |
|---|---|---|
| 夏季 | 6个温度梯度(38℃、36℃、34℃、32℃、30℃、28℃) | 3个营养盐加富梯度*和3个温度梯度(36℃、32℃、28℃) |
| 冬季 | 6个温度梯度(28℃、26℃、24℃、22℃、20℃、18℃) | 3个营养盐加富梯度*和3个温度梯度(28℃、24℃、20℃) |
Tab. 1
Tab. 2
The environmental parameters of surface water in Daya Bay"
| 季节 | 站位 | 温度/℃ | 盐度/‰ | pH | Chl-a/(μg·L-1) | DIP/(μmol·L-1) | DIN/(μmol·L-1) | DIN/DIP |
|---|---|---|---|---|---|---|---|---|
| 夏季 | M1 | 28.3 | 30.7 | 8.1 | 5.37 | 0.44 | 35.46 | 80.59 |
| M2 | 29.9 | 33.6 | 8.3 | 1.58 | 0.05 | 7.82 | 156.40 | |
| 冬季 | M1 | 18.4 | 29.1 | 8.0 | 0.63 | 0.51 | 12.50 | 24.51 |
| M2 | 17.9 | 29.9 | 8.0 | 1.43 | 0.30 | 10.62 | 35.40 |
Tab. 2
Fig. 2
Features of plankton community metabolism in simulated experiments"
Fig. 2
Fig. 3
Variation of plankton CR of two-factors simulated experiments in summer. Significant differences among the temperature groups are indicated by using different superscripts (p<0.05), while no significant difference is shown using the same superscript. LN: low nutrients, MN: medium nutrients, HN: high nutrients. Significant differences among the nutrients groups are marked by “*”, while no significant difference is shown without “*”"
Fig. 3
Fig. 4
Variation of plankton GPP of two-factors simulated experiments in summer. Significant differences among the temperature groups are indicated by using different superscripts (p<0.05), while no significant difference is shown using the same superscript. LN: low nutrients, MN: medium nutrients, HN: high nutrients. Significant differences among the nutrients groups are marked by “*”, while no significant difference is shown without “*”"
Fig. 4
Fig. 5
Variation of plankton NCP of two-factors simulated experiments in summer. Significant differences among the temperature groups are indicated by using different superscripts (p<0.05), while no significant difference is shown using the same superscript. LN: low nutrients, MN: medium nutrients, HN: high nutrients. Significant differences among the nutrients groups are marked by “*”, while no significant difference is shown without “*”"
Fig. 5
Tab. 3
Ratio of GPP/CR of two-factors simulated experiments during summer and winter"
| 营养盐 | 夏季 | 冬季 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| 28℃ | 32℃ | 36℃ | 均值 | 20℃ | 24℃ | 28℃ | 均值 | ||
| 24h | 低营养 | 5.21 | 4.32 | 0.47 | 3.33 | 5.38 | 2.78 | 1.76 | 3.31 |
| 中营养 | 10.50 | 21.00 | 0.44 | 10.65 | 2.63 | 2.60 | 2.37 | 2.53 | |
| 高营养 | 8.14 | 7.53 | 1.44 | 5.70 | 2.63 | 3.00 | 1.40 | 2.34 | |
| 均值 | 7.95 | 10.95 | 0.78 | 3.55 | 2.79 | 1.84 | |||
| 72h | 低营养 | 3.98 | 3.86 | 10.72 | 6.19 | 2.51 | 5.92 | 3.12 | 3.85 |
| 中营养 | 8.15 | 11.39 | 11.63 | 10.39 | 2.91 | 4.52 | 3.14 | 3.52 | |
| 高营养 | 10.72 | 13.18 | 19.07 | 14.32 | 2.95 | 4.00 | 4.41 | 3.79 | |
| 均值 | 7.62 | 9.48 | 13.81 | 2.79 | 4.81 | 3.56 | |||
Tab. 3
Fig. 6
Variation of plankton CR of two-factors simulated experiments in winter. Significant differences among the temperature groups are indicated by using different superscripts (p<0.05), while no significant difference is shown using the same superscript. LN: low nutrients, MN: medium nutrients, HN: high nutrients. Significant differences among the nutrients groups are marked by “*”, while no significant difference is shown without “*”"
Fig. 6
Fig. 7
Variation of plankton GPP of two-factors simulated experiments in winter. Significant differences among the temperature groups are indicated by using different superscripts (p<0.05), while no significant difference is shown using the same superscript. LN: low nutrients, MN: medium nutrients, HN: high nutrients. Significant differences among the nutrients groups are marked by “*”, while no significant difference is shown without “*”"
Fig. 7
Fig. 8
Variation of plankton NCP of two-factors simulated experiments in winter. Significant differences among the temperature groups are indicated by using different superscripts (p<0.05), while no significant difference is shown using the same superscript. LN: low nutrients, MN: medium nutrients, HN: high nutrients. Significant differences among the nutrients groups are marked by “*”, while no significant difference is shown without “*”"
Fig. 8
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