Shifting seagrass-oyster interactions alter species response to ocean warming and acidification

IF 5.3 1区 环境科学与生态学 Q1 ECOLOGY
Katherine DuBois, Justin H. Baumann, Eban J. Charles, Fiona G. Ralph, David B. Carlon
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引用次数: 0

Abstract

海草与牡蛎相互作用的变化改变了物种对海洋变暖和酸化的反应
生物多样性研究的一个主要挑战是将物种相互作用纳入描述种群和群落对全球环境变化(GEC)反应的框架中。互惠关系是一种对环境条件变化特别敏感的物种相互作用类型,促进性物种相互作用的破坏可能会扩大新的气候制度对重点物种的负面影响。在这里,我们通过中置培养箱中的操纵性共培养实验,研究了两种沿海基础物种--东部牡蛎(Crassostrea virginica)和鳗草(Zostera marina)之间的互惠相互作用在应对海洋变暖(+1.5°C)和酸化(-0.4 pH)时,在符号和程度上是如何变化的。在环境条件下,牡蛎促进了黄颡鱼叶片生长和克隆繁殖,分别增加了35%和38%。同时,鳗草使牡蛎的状态指数(组织与贝壳生物量的比率)降低了35%,这表明在环境条件下,牡蛎将更多的能量分配给了贝壳的生长,而不是软组织。每个物种对海洋变暖和/或酸化处理的敏感性不同,导致物种间的相互作用发生了复杂的变化,这种变化与性状有关。因此,未来条件下的群落结果会受到物种相互作用的影响,从而放大或减轻物种对环境变化的反应。综述:鉴于物种相互作用的效应大小与升温或 pH 值处理的效应大小相近,我们的研究结果突出表明,有必要确定对群落对全球环境变化的响应有重大影响的关键物种和相互作用类型。具体而言,对于大型藻类-双壳类相互作用,了解环境异质性和共同养殖如何影响生长的生理限制,将有助于成功恢复自然种群和快速扩大水产养殖。
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来源期刊
Journal of Ecology
Journal of Ecology 环境科学-生态学
CiteScore
10.90
自引率
5.50%
发文量
207
审稿时长
3.0 months
期刊介绍: Journal of Ecology publishes original research papers on all aspects of the ecology of plants (including algae), in both aquatic and terrestrial ecosystems. We do not publish papers concerned solely with cultivated plants and agricultural ecosystems. Studies of plant communities, populations or individual species are accepted, as well as studies of the interactions between plants and animals, fungi or bacteria, providing they focus on the ecology of the plants. We aim to bring important work using any ecological approach (including molecular techniques) to a wide international audience and therefore only publish papers with strong and ecological messages that advance our understanding of ecological principles.
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