From: Reconstructing predation intensity on crinoids using longitudinal and cross-sectional approaches
Capillaster multiradiatus | Clarkcomanthus mirabilis | |
---|---|---|
A. Arm regeneration rate (AR) ns (mm/day) | 0.55 | 0.63 |
SD (mm/day) | 0.27 | 0.48 |
N (# independent measurements) | 141 | 96 |
N (# individuals) | 12 | 8 |
B. Arm length (Larm)*** (mm) | 104 | 132 |
SD (mm) | 19 | 19 |
N (# individuals) | 17 | 13 |
C. Prevalence of injuries (P)** | 0.95 | 0.82 |
SD | 0.01 | 0.06 |
N (# individuals) | 324 | 50 |
D. Predation intensity “longitudinal” (i) ns (injuries/day) | 0.022 | 0.016 |
SD (injuries/day) | 0.020 | 0.015 |
N (# individuals) | 13 | 5 |
E. Predation intensity “cross sectional” (i) ** (injuries/day) | 0.024 | 0.012 |
SD (injuries/day) | 0.003 | 0.004 |