斯克拉克提尼珊瑚物种在脱过程中幸存下来并恢复
1Faculty of Life Sciences, Bar-Ilan University, Ramat-Gan, 52900, Israel. finema@mail.biu.ac.il
Science (New York, N.Y.)
|March 31, 2007
概括
珊瑚礁可以通过暂时恢复到软体形式,保持生殖能力,从而在海洋酸化中生存. 然而,这种弹性并不能否定二氧化碳水平上升对珊瑚礁生态系统构成的更广泛威胁.
科学领域:
- 海洋生物学 海洋生物学
- 海洋学 海洋学 海洋学
- 气候变化科学 气候变化科学
背景情况:
- 大气中二氧化碳水平的上升正在导致海洋酸化.
- 海洋酸化对全球珊瑚礁构成重大威胁.
- 珊瑚骨架的形成特别容易受到海洋化学变化的影响.
研究的目的:
- 为了研究珊瑚对酸化条件的生理反应.
- 为了确定珊瑚能否在酸性化下维持基本的生命功能,包括繁殖.
- 探索珊瑚体内生理避难所的潜力,以适应不断变化的海洋化学.
主要方法:
- 珊瑚被 subjected to 实验性酸化海洋条件.
- 对包括生殖能力在内的关键生命功能进行了监测.
- 随后,珊瑚被重新引入正常的海洋条件,以评估骨结构的恢复.
主要成果:
- 在酸性化下,珊瑚以类似鱼的形式维持了基本的生命功能和生殖能力.
- 重新引入正常条件允许珊瑚恢复骨的形成.
- 有证据表明,珊瑚可以在非化石化和化石化形式之间交替.
结论:
- 珊瑚拥有生理避难所,使其能够适应不断变化的海洋化学.
- 这种适应性允许在酸性环境中暂时生存.
- 尽管如此,在一个高二氧化碳的世界里,对珊瑚礁生态系统的重大威胁仍然存在.
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