温度作为一种有效的生物安全工具,可以对抗入侵性蛇
Julien C Piquet1, Borja Maestresalas1, Marta López-Darias2
1Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), 38206 San Cristóbal de La Laguna, Tenerife, Canary Islands, Spain.
Journal of thermal biology
|October 5, 2024
概括
热疗法有效地阻止入侵的加利福尼亚国王蛇 (Lampropeltis californiae) 传播. 导电加热和热雾化都迅速诱导了蛇的出口,提供了对入侵物种的生物安全工具.
科学领域:
- 生态生态学 生态生态学
- 侵袭性物种管理 侵袭性物种管理
- 类学 类学 类学 类学
背景情况:
- 侵入性物种,如加利福尼亚州王蛇 (Lampropeltis californiae),在全球范围内构成重大生态威胁.
- 格兰卡纳里亚岛以L. californiae为基地,L. californiae是欧盟高度关注的物种,有可能扩散到其他脆弱地区.
- 生物安全措施对于防止入侵性蛇的引入和传播至关重要,这些蛇可能会造成不可逆转的生态破坏.
研究的目的:
- 评估热处理 (导电加热和热雾化) 作为生物安全工具对抗入侵性加利福尼亚国王蛇 (Lampropeltis californiae) 的疗效.
- 为了确定L. californiae. 的首选温度范围和自愿热最大值.
- 评估L. californiae对不同热处理和控制条件的反应.
主要方法:
- 通过将24 L. californiae个体暴露在热梯度中,确定了物种选择的温度,首选的温度范围和自愿的热最大值.
- 评估了另外24个L. californiae个体对导电加热,热雾化和控制 (无热) 处理的反应.
- 记录了个体离开处理器的时间和体温.
主要成果:
- L. californiae选择的温度约为27.80°C,自愿的最大热量为32.50°C.
- 导电式加热和热雾化在高体温下,分别在83.33%和91.67%的个体中诱导了快速退出.
- 对照治疗导致退出率明显降低 (29.17%),并且发生在较低的体温下.
结论:
- 热处理,包括导电加热和热雾化,在诱导侵入性蛇离开受控环境方面是有效的.
- 这些方法显示出作为生物安全工具的希望,以防止L. californiae和其他入侵性蛇物种的无意运输.
- 实施热处理可以帮助管理和防止全球破坏性入侵爬行动物的传播.
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