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升高的温度会增加胚胎中的异常,并减少serpulid polychaetes中的幼虫存活率

J Pablo Sánchez-Ovando¹, Francisco Benítez-Villalobos², J Rolando Bastida-Zavala¹

¹Laboratorio de Sistemática de Invertebrados Marinos (LABSIM), Instituto de Recursos, Universidad del Mar (UMAR), campus Puerto Ángel, Ciudad Universitaria, Oaxaca 70902, México.

|August 25, 2023

概括

环境温度的上升对海洋多叶生物的发展产生了负面影响. 螺旋的物种表现出有限的热耐受性,34°C是致命的,可能会在全球变暖下影响生物多样性.

科学领域:

海洋生物学海洋生物学
生态生态学生态生态学
环境科学环境科学

背景情况:

环境温度显著影响海洋无脊椎动物的发展.
像Spirobranchus物种一样,Polychaetes对热变化很敏感.
德温特佩克湾的人口面临着潜在的气候变化影响.

研究的目的:

通过实验评估温度升高对胚胎发育和幼虫生存的影响.
为了确定Spirobranchus incrassatus和Spirobranchus cf.的热耐受性极限. 角质动物.角质动物.
预测海洋温度上升对这些物种的生态后果.

主要方法:

来自特温特佩克湾的成年螺旋虫 (Spirobranchus) 收集.
将胚胎和幼虫暴露在四种温度处理 (28,30,32,34°C) 中.
在不同温度下监测胚胎发育和幼虫存活率.

主要成果:

最佳温度是S. incrassatus的30°C和S. cf的28°C. 角质动物.角质动物.
两种物种的最大临界温度为32°C,致命温度为34°C.
在S. cf. corniculatus 呈现较低的耐热性,而胚胎发育受到最负面的影响.

结论:

这两种Spirobranchus物种都居住在接近它们的耐受性上限的热条件下.
高温,特别是34°C,大大降低了幼虫的生存率.
全球变暖可能会导致范围的变化,生物多样性丧失和生态系统的变化,这些多叶虫.

关键词:

螺旋白兰花 (Spirobranchus) 是一个类型.临界温度是一个临界温度.幼虫的幼虫可以热耐受性热耐受性托罗科类动物 (Trochophore) 是一种多类动物.

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