CROSSING THE DESERT: A MODEL FOR ALIEN SPECIES INVASION CONTAINMENT OR TO LESSEN HABITAT DISRUPTION EFFECTS

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
E. Bellavere, E. Venturino
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引用次数: 1

Abstract

In this paper we present a model for a possible containment way of alien species invasions. It relies on the application of one or more stripes on the ground for which the survival conditions are harsher. After reviewing a number of possible threats for biodiversity that are the main motivation of this study, as well as a few instances of landscape disruption, we present a reaction–diffusion model and report the simulations results in various conditions. The inferences indicate that the diffusion process can be delayed, through the use of multiple obstacles, thereby allowing the possibility of taking alternative measures in order to contain the invasion, at least for some time. We discuss the diffusion delay in terms of the level of hostility, the length and the number of consecutive repetitions of the harsh environments. Comparisons on the parameter space show that the harshness and structural characteristics of the stripes are intertwined in a non-trivial way. Alternatively, the model can be used to ascertain the situations in which a population living in a territory can still thrive when its habitat is broken by artifacts, whether human-built or resulting from natural causes. Examples of this sort are presented in the final discussion.
穿越沙漠:遏制外来物种入侵或减少栖息地破坏影响的模型
在本文中,我们提出了一个可能遏制外来物种入侵的方法的模型。它依赖于在生存条件更恶劣的地面上应用一个或多个条纹。在回顾了作为本研究主要动机的生物多样性可能面临的一些威胁,以及一些景观破坏的例子后,我们提出了一个反应-扩散模型,并报告了各种条件下的模拟结果。推断表明,通过使用多种障碍物,扩散过程可以推迟,从而有可能采取替代措施,至少在一段时间内遏制入侵。我们根据敌对程度、恶劣环境的持续时间和连续重复次数来讨论扩散延迟。在参数空间上的比较表明,条纹的粗糙度和结构特征以一种非平凡的方式交织在一起。或者,该模型可以用于确定当栖息地被人为建造或自然原因造成的文物破坏时,生活在一个地区的人口仍然可以茁壮成长的情况。这类例子将在最后的讨论中介绍。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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