台湾海峡生态系统对海洋环境年际变动的响应分析
Evidence of ecosystem response to the interannual environmental variability in the Taiwan Strait
-
摘要: 通过比较1985~2001年的海表温度与其间收集的现场营养盐、浮游植物和浮游动物丰度及群落结构变动信号,以及1971~1998年的中上层鱼类渔获量变动信息,发现了台湾海峡生态系统对物理环境年际变动产生的响应迹象.1997 年夏季台湾海峡处于偏冷状态,南部近岸上升流强度减弱;1997年冬季正值一个较强的暖事件发展到顶峰,北上入侵暖水强度增强、浙闽沿岸冷水强度减弱.导致这两个时期营养盐分布特征改变,发生了一系列从浮游植物到浮游动物,从生物量到群落结构的异常响应,暖水性中上层鱼类渔获量则似乎呈现出El Niño年偏高的趋势.根据有限的辅助证据推测,El Niño很可能不是控制台湾海峡海洋环境年际变动的强信号,而台湾海峡的气候海洋生态长期低频变动可能更多地受到东亚季风中国边缘海系统的控制.Abstract: By comparing remote sensing sea surface temperature and in situ chemical and biological dat a collected since 1985,some evidences of ecosystem variation responding to interannual environmental variability were found in the Taiwan Strait.Owing to incomplete extensive and serial biological observations,the eco-system responses were mainly illustrated by two specific cases.Coastal upwelling weakened in the summer of 1997,when the Taiwan Strait was during a cold phase.Cold Zhe-Min coastal water weakened and northward intrusion of warm water was streng thened in the winter of 1997,while it was the peak of a strong warm episode of the Taiwan Strait and the South China Sea.During these two periods,nutrient distribution,phytoplankt on and zooplankt on abundance and community structure altered and showed anomaly.El Nino seemed weakly linking to the Taiwan Strait.It was hypothesized that forcing within the East Asia monsoon-China marginal sea system might the dominant mechanism.To achieve better understanding of how the Taiwan Strait ecosystem responds to climate variations,supporting the long-term physicalevidences and serial biotic variation signals observation are especially needed.
-
Key words:
- interannual variability /
- ecosystem response /
- upwelling /
- monsoon /
- El Niñ /
- o /
- Taiwan Strait
-
ATTRILL M J, POWER M. Climatic influence on a marine fish assemblage[J]. Nature, 2002, 417(6886): 275-278. O'BRIEN C M, FOX C J, PLANQUE B, et al. Climate variability and North Sea cod[J]. Nature, 2000, 404(6774): 142. CHAVEZ F P, STRUTTON P G, FRIEDERICH G E, et al. Biological and chemical response of the equatorial Pacific Ocean to the1997-98 El Nino[J]. Science, 1999, 286(5447): 126-213. MCGOWAN J A, CAYAN D R, DORMAN L M. Climate-ocean variability and ecosystem response in the Northeast Pacific[J]. Science,1998(5374), 281: 210217. REID P C, EDWARDS M, HUNT H G, et al. Phytoplankton change in the North Atlantic[J]. Nature, 1998, 391(6667):546. 洪华生,丘书院,阮五崎,等.闽南-台湾浅滩渔场上升流区生态系研究[C].北京:科学出版社,1991. 洪华生,阮五崎,黄邦钦,等.台湾海峡初级生产力及其调控机制研究[A].洪华生等.中国海洋学文集(7)[C].北京:海洋出版社,1997,1-15. 洪华生.台湾海峡生源要素生物地球化学过程研究[A].国家自然科学基金"九五"重点项目结题报告[R].2000. 商少凌,洪华生,商少平,等.1998年冬季台湾海峡的暖水入侵及其生态响应[J].遥感学报,2001,5(5):383-387. 黄邦钦,洪华生,林学举,等.台湾海峡微微型浮游植物的生态研究Ⅰ.时空分布及其调控机制[J].海洋学报,2003,25(4):72-82. 朱根海,宁修仁,蔡昱明,等.南海浮游植物种类组成和丰度分布的研究[J].海洋学报,2003,25(2):8-23. 商少凌,洪华生,商少平,等.台湾海峡1997-1998年夏汛中上层鱼类中心渔场的变动与表层水温的关系浅析[J].海洋科学,2002,26(11):27-30. SIMPSON J J. Response of the Southern California current system to the mid-latitude North Pacific warming events of 1982-1983 and1940-1941[J]. Fish Oceanogr, 1992,1(1):57-79. 徐建军,王东晓.印度洋-太平洋海温的年际、年代际异常及其对亚洲季风的影响[J]. 2000,22(3):34-43. 宋焱云,谢安,毛江玉,等.南海夏季风爆发的低频特征,海洋学报[A]. 2000,22(2):35-40. 王东晓,谢强,杜岩,等.1997-1998年南海暖事件[J].科学通报,2002,47(9):711-716. 李娜,商少平,张彩云,等.南海暖池对台湾海峡SST时间变动的影响初探[C].《第十四届全国遥感技术学术交流会》论文集,青岛,2003. 杨尧,张钒,高素华.闽南-台湾浅滩渔场叶绿素a含量及分布[A].洪华生,丘书院,阮玉崎,等.闽南-台湾浅滩渔场上升流区生态系研究[C].北京:科学出版社,1991.341-345. 张学敏等.闽南台湾浅滩渔场鲐鮐鱼类资源的年际变动与遥感海表温度的关系.海洋通报,2005,待刊. -
点击查看大图
计量
- 文章访问数: 895
- HTML全文浏览量: 10
- PDF下载量: 1202
- 被引次数: 0
下载:
