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使用综合性害虫管理框架改善珊瑚覆盖

Jacob G D Rogers^1,2, Éva E Plagányi², Russell C Babcock²

¹School of Mathematics and Physics, University of Queensland, Brisbane, Queensland, Australia.

Ecological applications : a publication of the Ecological Society of America

|August 24, 2023

概括

在大堡礁上对棘冠海星 (CoTS) 进行的综合害虫管理 (IPM) 表明,更高的密度门提高了管理的稳定性. 在疫情爆发期间,较低的门可能是无效的"努力沉".

科学领域:

海洋生态学和保护生物学
生态建模和管理策略优化优化.

背景情况:

综合性害虫管理 (IPM) 的原则很少适用于海洋生态系统.
刺冠海星 (CoTS) 爆发导致大堡礁 (GBR) 遭受重大珊瑚损失.
目前的GBR CoTS管理使用基于生态值的直接除,但缺乏优化分析.

研究的目的:

量化评估用于改善珊瑚覆盖的替代COTS管理场景.
分析不同生态值目标,敏感度和管理资源水平的表现.
量化资源采集,COTS/珊瑚动态,门严格性和管理规模之间的权衡.

主要方法:

利用多种类建模方法来模拟CoTS和珊瑚群体动态.
评估了各种管理场景,在Cots密度门和资源分配方面有所不同.
分析了不同门策略对控制有效性和地理覆盖范围的影响.

主要成果:

低COTS密度值 (≤0.03海星/分钟) 充当了"压力沉",在爆发期间限制了其他地点的控制.
与珊瑚覆盖相关的较高密度值 (0.04-0.08海星/分钟) 证明对资源限制更有稳定性.
优化的门平衡了各个地点的资源稀释,提高了对人口动态和资源限制的适应力.

结论:

在GBR上基于值的CoTS管理策略涉及到关键的权衡.
在疫情爆发条件下,更高的,生态调节的密度值更有效,更强大.
这些发现有助于实践实施珊瑚礁害虫管理的IPM策略.

关键词:

努力沉没在一个海里.适应式的管理方式.珊瑚捕食者珊瑚捕食者珊瑚礁是一种珊瑚礁.珊瑚的生命源刺冠的海星是什么意思生态值是指一个生态值.功能性根除功能性的根除海洋无脊椎动物海洋无脊椎动物害虫管理害虫管理害虫管理

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