种间海草相互作用的数学模型：重现C. nodosa和C. prolifera的野外观察
A mathematical model for inter-specific seagrass interactions: reproducing field observations for C. nodosa and C. prolifera
AI总结：
本文提出一个基于克隆生长的种间海草相互作用模型，理论分析并模拟重现了地中海埃布罗河三角洲C. nodosa和C. prolifera混合草甸的枝条密度观测，并探究了潜在互作机制。
摘要：
海草是沿海水域中的重要生物，近几十年来其种群的急剧衰退对海洋生态系统产生了令人担忧的影响。海草草甸的空间模型为研究其动态过程和涌现的集体行为提供了数学框架。这些模型对于预测海草对不同全球变暖情景的响应、分析现有海草分布的恢复力以及优化恢复策略至关重要。在本文中，我们提出了一个基于海草克隆生长、包含不同物种间相互作用的模型。我们针对{\it Cymodocea nodosa}和{\it Caulerpa prolifera}之间的海草-海藻相互作用的具体案例，对模型进行了理论分析。我们的模拟成功重现了地中海埃布罗河三角洲混合草甸中枝条密度的野外观察结果。此外，所提出的模型使我们能够研究介导这两种大型植物之间相互作用的可能潜在机制。
英文摘要：
Seagrasses are vital organisms in coastal waters, and the drastic demise of their population in the last decades has worrying implications for marine ecosystems. Spatial models for seagrass meadows provide a mathematical framework to study their dynamical processes and emergent collective behavior. These models are crucial to predict the response of seagrasses to different global warming scenarios, analyze the resilience of existing seagrass distributions, and optimize restoration strategies. In this article, we propose a model that includes interactions among different species based on the clonal growth of seagrasses. We present a theoretical analysis of the model considering the specific case of the seagrass-seaweed interaction between {\it Cymodocea nodosa} and {\it Caulerpa prolifera}. Our simulations successfully reproduce field observations of shoot densities in mixed meadows in the Ebro River Delta in the Mediterranean Sea. Besides, the proposed model allows us to investigate the possible underlying mechanisms that mediate the interaction among the two macrophytes.
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