从1933年到2020年,中国沿海的Noctiluca scintillans开花的长期变化
Kang Wang1,2, Hui Lin2, Conghui Peng2
1School of Life Sciences, Xiamen University, Xiamen, China.
Global change biology
|June 23, 2023
概括
自1981年以来,由Noctiluca scintillans引起的有害藻类繁殖在中国有所增加,在空间上扩散,并且发生更频繁,特别是在春夏.
科学领域:
- 海洋生物学 海洋生物学
- 海洋学 海洋学 海洋学
- 环境科学 环境科学
背景情况:
- Noctiluca scintillans是一种常见的有害藻类,以其生物发光而闻名.
- 有害藻类繁殖 (HABs) 构成重大的生态和经济威胁.
研究的目的:
- 分析Noctiluca scintillans在中国的空间分布,季节性变化和长期趋势.
- 为了确定影响这些开花的环境驱动因素.
主要方法:
- 对从1933年到2020年在中国沿海水域记录的265个N. scintillans开花事件的分析.
- 花数据与温度,营养素和水质参数等环境因素的统计相关性.
主要成果:
- 自1981年以来,N. scintillans的开花频率和持续时间呈现出越来越大的趋势,其中1986-1992,2002-2004和2009-2016年是峰值时期.
- 花已经从东南中国海蔓延到博海海,广东,福建和河北省受到影响最大.
- 春夏是开花的主要季节,与溶解的无机酸盐,溶解的酸盐,化学氧气需求和18.0-25.0°C之间的温度相关.
结论:
- 中国的N. scintillans开花的频率,持续时间和空间范围都在增加.
- 包括降水,水力动力学,水温和食物供应在内的环境因素显著影响了这些开花的时空分布.
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