Systematic Literature Review: The Intersection of Phthirapteran Morphometrics and the Golden Ratio – An Absence of Evidence
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| Natura: | Recurso digital |
| Lingua: | inglese |
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2025
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| _version_ | 1866901723764752384 |
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| author | Kumar, Vijay |
| author_facet | Kumar, Vijay |
| contents | <div>Abstract: The golden ratio (φ ≈ 1.618) is a mathematical constant often purported to appear in biological structures, from plant</div> <div>phyllotaxis to animal proportions. Morphometrics, the quantitative analysis of form, is a cornerstone of phylogenetic and</div> <div>ecological research in parasitology, particularly for lice (Order: Phthiraptera). This review systematically investigates the</div> <div>literature at the intersection of these two fields to determine if φ is a recognized factor in explaining morphometric variability</div> <div>in lice. A systematic search was conducted following PRISMA guidelines across major scientific databases (PubMed, Web of</div> <div>Science, Scopus, Google Scholar) using keywords related to "golden ratio," "morphometrics," and "Phthiraptera." Studies</div> <div>were screened and selected based on pre-defined inclusion criteria focusing on empirical tests of φ in louse morphology. The</div> <div>search identified a significant body of literature on phthirapteran morphometrics (n > 200 relevant studies). However, zero</div> <div>studies were found that explicitly tested for or supported the golden ratio as a determinant of body proportions in lice. The</div> <div>only indirect connection was the use of lice as datasets in phylogenetic studies that employed algorithms referencing φ for</div> <div>tree optimization, not morphological analysis. There is a complete absence of evidence supporting a meaningful relationship</div> <div>between the golden ratio and morphometric variability in lice. Louse morphology is robustly explained by functional</div> <div>adaptation and evolutionary pressures, with no scientific basis for φ as a governing principle. Future research should focus on</div> <div>these established biological drivers rather than seeking universal mathematical ideals.</div> |
| format | Recurso digital |
| id | zenodo_https___doi_org_10_5281_zenodo_17766778 |
| institution | Zenodo |
| language | eng |
| publishDate | 2025 |
| publisher | Zenodo |
| record_format | zenodo |
| spellingShingle | Systematic Literature Review: The Intersection of Phthirapteran Morphometrics and the Golden Ratio – An Absence of Evidence Kumar, Vijay Golden Ratio, Phi, Morphometrics, Phthiraptera, Lice, Systematics, Phylogenetics, Biological Variation, PRISMA. <div>Abstract: The golden ratio (φ ≈ 1.618) is a mathematical constant often purported to appear in biological structures, from plant</div> <div>phyllotaxis to animal proportions. Morphometrics, the quantitative analysis of form, is a cornerstone of phylogenetic and</div> <div>ecological research in parasitology, particularly for lice (Order: Phthiraptera). This review systematically investigates the</div> <div>literature at the intersection of these two fields to determine if φ is a recognized factor in explaining morphometric variability</div> <div>in lice. A systematic search was conducted following PRISMA guidelines across major scientific databases (PubMed, Web of</div> <div>Science, Scopus, Google Scholar) using keywords related to "golden ratio," "morphometrics," and "Phthiraptera." Studies</div> <div>were screened and selected based on pre-defined inclusion criteria focusing on empirical tests of φ in louse morphology. The</div> <div>search identified a significant body of literature on phthirapteran morphometrics (n > 200 relevant studies). However, zero</div> <div>studies were found that explicitly tested for or supported the golden ratio as a determinant of body proportions in lice. The</div> <div>only indirect connection was the use of lice as datasets in phylogenetic studies that employed algorithms referencing φ for</div> <div>tree optimization, not morphological analysis. There is a complete absence of evidence supporting a meaningful relationship</div> <div>between the golden ratio and morphometric variability in lice. Louse morphology is robustly explained by functional</div> <div>adaptation and evolutionary pressures, with no scientific basis for φ as a governing principle. Future research should focus on</div> <div>these established biological drivers rather than seeking universal mathematical ideals.</div> |
| title | Systematic Literature Review: The Intersection of Phthirapteran Morphometrics and the Golden Ratio – An Absence of Evidence |
| topic | Golden Ratio, Phi, Morphometrics, Phthiraptera, Lice, Systematics, Phylogenetics, Biological Variation, PRISMA. |
| url | https://doi.org/10.5281/zenodo.17766778 |