WebA technique is presented for the analysis of sets of morphological data to test whether sympatric, closely related species form geometric series (or Hutchinsonian series, … WebThe ratio of mandible lengths for sympatric species in the grassland habitat was consistently >1.35, which corresponds to Hutchinsonian ratios. Preliminary comparisons of sympatric tiger beetles from Canada and East Africa showed divergence but with a lower ratio (1.24—1.27). Citing Literature Volume60, Issue3 June 1979 Pages557-566 Related
From Hutchinsonian ratios to spatial scaling theory: the interplay ...
Web13 jul. 2024 · We predicted the global warming effects on the stygofauna of Murgia–Salento karstic groundwaters in Italy for 2050, which contribute to a biodiversity loss assessment … Web7 jul. 2003 · Our analyses provide empirical evidence that smaller mean predator–prey body size ratios are characteristic of more stable environments and that food chains are longer when mean predator–prey body size ratios are small. magic school bus holiday special
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WebHUTCHINSONIAN RATIOS AND STATISTICAL POWER. (Q36387369) From Wikidata. Jump to navigation Jump to search. scientific article. edit. Language Label Description … WebHutchinsonian ratios (Hutchinson 1959), predict a limit in similarity in relation to the coexistence of species (MacArthur and Levins 1967). Indeed, a constant ratio in body … In ecological theory, the Hutchinson's ratio is the ratio of the size differences between similar species when they are living together as compared to when they are isolated. It is named after G. Evelyn Hutchinson who concluded that various key attributes in species varied according to the ratio of 1:1.1 to 1:1.4. The mean ratio 1.3 can be interpreted as the amount of separation necessary to obtain coexistence of species at the same trophic level. nys ogs calendar 2022