Journal of East China Normal University(Natural Science) ›› 2021, Vol. 2021 ›› Issue (2): 85-99.doi: 10.3969/j.issn.1000-5641.2021.02.009
• Estuary and Coastal Research • Previous Articles Next Articles
Wenchao MA, Yan WANG, Zhuoyi ZHU*()
Received:
2019-12-04
Online:
2021-03-25
Published:
2021-04-01
Contact:
Zhuoyi ZHU
E-mail:zyzhu@sklec.ecnu.edu.cn
CLC Number:
Wenchao MA, Yan WANG, Zhuoyi ZHU. Oxygen depletion and the response of organic matter in Laoyehai, a lagoon with strong aquaculture activities[J]. Journal of East China Normal University(Natural Science), 2021, 2021(2): 85-99.
Table 1
Amino acids and parameters used in this study"
氨基酸 | 氨基酸指征参数 | |||
英文缩写 | 中文名 | 英文缩写 | 中文名 | |
THPAA | 颗粒态氨基酸 | AA C yield | 氨基酸的碳归一化产量 | |
THDAA | 溶解态氨基酸 | AA N yield | 氨基酸的氮归一化产量 | |
Asp | 天冬氨酸 | DI | 降解指数 | |
Glu | 谷氨酸 | D-AA% | D型氨基酸在总氨基酸中的比例 | |
Asn | 天冬酰胺 | Gly% | 甘氨酸在总氨基酸中的比例 | |
Ser | 丝氨酸 | D/L-Ala | D型丙氨酸与L型丙氨酸的比值 | |
Gln | 谷氨酰胺 | |||
Thr | 苏氨酸 | |||
Gly | 甘氨酸 | |||
Arg | 精氨酸 | |||
Ala | 丙氨酸 | |||
GABA | γ -氨基丁酸 | |||
Tyr | 酪氨酸 | |||
Aba | 氨基丁酸 | |||
Val | 缬氨酸 | |||
Met | 蛋氨酸 | |||
Trp | 色氨酸 | |||
Phe | 苯丙氨酸 | |||
ILE | 异亮氨酸 | |||
Leu | 亮氨酸 | |||
Lys | 赖氨酸 |
Table 2
Water quality parameters of the surface and bottom water layers in April 2010 and August 2011, Laoyehai"
温度/℃ | 盐度 | pH值 | DO/(mg·L–1) | DO% | AOU/(mg·L–1) | ||
2010.4 表层 | max | 30.1 | 33.0 | 9.28 | 13 | 164% | 3.8 |
min | 27.0 | 13.8 | 7.92 | 3 | 38% | –6.0 | |
mean | 28.5 | 23.5 | 8.42 | 7 | 86% | 0.1 | |
2011.8 表层 | max | 34.1 | 27.5 | 8.51 | 9 | 128% | 3.1 |
min | 29.9 | 7.2 | 7.42 | 4 | 49% | –2.4 | |
mean | 31.9 | 16.5 | 8.05 | 6 | 90% | 0.2 | |
2010.4 底层 | max | 29.6 | 33.0 | 8.92 | 8 | 101% | 6.8 |
min | 27.1 | 18.8 | 7.68 | 0.2 | 2% | –0.7 | |
mean | 28.1 | 24.8 | 8.22 | 4 | 50% | 2.9 | |
2011.8 底层 | max | 32.1 | 32.3 | 8.21 | 6 | 81% | 6.6 |
min | 30.1 | 16.4 | 7.45 | 0 | 0% | 0.7 | |
mean | 31.1 | 21.7 | 7.85 | 3 | 46% | 3.2 |
Table 3
Total suspended matter (TSM), particulate organic matter, and C/N ratio in April 2010 and August 2011, Laoyehai"
TSM/(mg·L–1) | POC% | PN% | POC/(μmol·L–1) | PN/(μmol·L–1) | C/N | ||
2010.4 | max | 42 | 14% | 1.5% | 434 | 40 | 11.7 |
min | 24 | 2% | 0.3% | 41 | 6 | 7.3 | |
mean | 34 | 6% | 0.7% | 172 | 17 | 9.7 | |
2011.8 | max | 60 | 4% | 0.6% | 129 | 16 | 8.4 |
min | 17 | 1% | 0.2% | 19 | 3 | 6.6 | |
mean | 36 | 3% | 0.4% | 78 | 10 | 7.7 |
Table 4
Amino acids of the surface and bottom water layers in April 2010 and August 2011, Laoyehai"
THPAA | THDAA | |||||||||||||
CONC/ (mg·L–1) | AA C yield | AA N yield | DI | D-AA% | D/L-Ala | Gly% | CONC/ (mg·L–1) | DI | D-AA% | D/L-Ala | Gly% | |||
2010.4表层 | max | 5.9 | 16% | 30% | 0.7 | 7.4% | 0.14 | 14% | 3.2 | 5.1 | 16% | 0.75 | 50% | |
min | 0.2 | 1% | 3% | – 0.2 | 5.1% | 0.03 | 6% | 0.3 | – 0.4 | 0% | 0.13 | 38% | ||
mean | 1.3 | 4% | 9% | 0.3 | 6.1% | 0.09 | 10% | 2.1 | 1.2 | 8% | 0.25 | 44% | ||
2011.8表层 | max | 2.4 | 10% | 22% | 1.9 | 11.3% | 0.06 | 13% | 3.4 | 3.4 | 10% | 0.39 | 48% | |
min | 0.1 | 2% | 4% | 0.2 | 4.4% | 0.05 | 8% | 0.4 | – 0.7 | 0% | 0.25 | 34% | ||
mean | 1.2 | 6% | 13% | 0.9 | 8.4% | 0.05 | 9% | 1.5 | 1.4 | 5% | 0.31 | 40% | ||
2010.4底层 | max | 3.3 | 1.1 | 11% | 0.67 | 73% | ||||||||
min | 0.2 | – 2.3 | 5% | 0.11 | 42% | |||||||||
mean | 1.8 | – 0.2 | 8% | 0.25 | 50% | |||||||||
2011.8底层 | max | 1.5 | 1.6 | 11% | 0.51 | 41% | ||||||||
min | 0.1 | 0.8 | 9% | 0.26 | 36% | |||||||||
mean | 1.0 | 1.2 | 10% | 0.34 | 39% |
Table 5
Dominant monomers of amino acids in the inner and outer gulf in April 2010 and August 2011, Laoyehai"
AA C yield | AA N yield | THPAA | THDAA | |||||||||
L-Glu% | L-Asp% | L-Ala% | Gly% | Gly% | L-Ala% | L-Asp% | L-Thr% | |||||
2010.4 | 内湾(网箱养鱼) | 5% | 13% | 14% | 13% | 12% | 9% | 44% | 11% | 8% | 6% | |
外湾(岸滩养虾) | 8% | 16% | 7% | 8% | 13% | 9% | 39% | 9% | 10% | 5% | ||
2011.8 | 内湾(网箱养鱼) | 2% | 4% | 13% | 14% | 12% | 11% | 52% | 7% | 6% | 4% | |
外湾(岸滩养虾) | 3% | 6% | 7% | 9% | 13% | 9% | 40% | 9% | 8% | 5% |
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