你来了,你看到了,你看到了? 快速扩大的入侵性捕食者群体的未来传播和生态影响
David R Nelsen1, Aaron G Corbit1, Angela Chuang2
1Biology and Allied Health Southern Adventist University Collegedale Tennessee USA.
Ecology and evolution
|November 29, 2023
概括
侵袭性的Jorō蜘蛛 (Trichonephila clavata) 正在美国北部蔓延,可能会减少本土的球体编织者多样性. 它的引入气候与其原生范围不同,这表明其潜在传播范围更广.
科学领域:
- 生态生态学 生态生态学
- 侵入性物种 生物学 生物学
- 生物信息学是一种生物信息学.
背景情况:
- 生物入侵是全球变化的重要驱动力,带来经济和生态风险.
- 监测入侵物种,如乔罗蜘蛛 (Trichonephila clavata),至关重要,特别是在早期入侵阶段.
- 原产于亚洲的Trichonephila clavata在2010年左右被引入美国格鲁吉亚.
研究的目的:
- 为了调查北美Trichonephila clavata早期入侵动态.
- 使用物种分布模型 (SDM) 来比较T. clavata本地和引入范围的气候条件.
- 评估T. clavata对本土球体织物蜘蛛群体的潜在生态影响.
主要方法:
- 使用众筹数据构建物种分布模型 (SDM).
- 比较了T. clavata在亚洲本土的范围和其在北美引入的范围之间的气候变量.
- 进行了现场调查,以评估在有或没有T. clavata的地区的本地球形织物物种的丰富性和丰富性.
主要成果:
- 引入的北美范围内的气候与T. clavata的本土范围有很大差异.
- SDMs预测T.clavata的最佳北美息地位于其目前分布的北方.
- T. clavata正在向北传播的速度比向南更快,在调查中是最丰富的物种,可能会减少本土的球体织造者多样性.
结论:
- 有证据表明,T.clavata是北美的一个入侵物种,其分布可能比目前观察到的更广泛.
- 克拉瓦塔 (T. clavata) 的存在可能会对本地球形织物物种的丰富性和多样性产生负面影响.
- 需要对T. clavata的影响进行进一步的生态审查.
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