摘要 網絡s from a wide range of physical, 生物, and 社會 sys

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論文資訊

• 類型：已發表論文
• 日期：2002

摘要

網絡s from a wide range of physical, 生物, and 社會 systems have been recently described as "small-world" and "無標度." However, studies disagree whether ecological 網絡s called 食物網s possess the characteristic path lengths, clustering coefficients, and degree distributions required for membership in these classes of 網絡s. Our analysis suggests that the disagreements are based on selective use of relatively few 食物網s, as well as analytical decisions that obscure important variability in the data. We analyze a broad range of 16 high-quality 食物網s, with 25-172 nodes, from a variety of aquatic and terrestrial ecosystems. 食物網s generally have much higher complexity, measured as connectance (the fraction of all possible links that are realized in a 網絡), and much smaller size than other 網絡s studied, which have

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