Juliformia's size is determined by two factors: body diameter and number of rings. The researchers wanted to see if there were any links between latitude and precipitation and body rings and sexual size dimorphism (SSD) in Centrobolus. The number of body rings in females and latitude (r=-0.53, Z score=-2.35, n=19, p0.01) and the number of body rings in males and latitude (r=-0.41, Z score=-1.74, n=19, p=0.04) had a significant link. The number of body rings in females and precipitation (r=-0.60, Z score=-2.76, n=19, p0.01), as well as the number of body rings in males and precipitation (r=-0.60, Z score=-2.76, n=19, p0.01). The number of body rings differed somewhat between males and females (W=22.5, Z=-1.61, n=19, p=0.05); females had more rings. Lower precipitation, not temperature, is connected to an anamorphic rise in the number of body rings in higher latitudes (South).
Author(s) Details:
Mark Cooper,
School of Animal, Plant & Environmental Sciences University of the
Witwatersrand, Johannesburg 2050, South Africa.
Please see the link here: https://stm.bookpi.org/NVBS-V9/article/view/5883
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