Chloroplast digestion and the development of functional kleptoplasty in juvenile Elysia timida (Risso, 1818) as compared to short-term and non-chloroplast-retaining sacoglossan slugs
Fig 7
Pulse Amplitude Modulated (PAM) fluorometry values for a range of short-term retention and non-retaining species during starvation.
A–The PAM values for Placida dendritica are indicated by light grey circles, Elysia marcusi by black triangles and Ercolania fuscata by dark grey squares. P. dendritica is best modeled by the function y = 4.22x2–103.95x + 610.26 (R2 = 0.97), El. marcusi by y = -15.17x2 + 21.83x + 441 (R2 = 0.92) and El. fuscata by y = -1.59x3 + 28.87x2–169.65x + 320.76 (R2 = 0.98). B–The PAM values for Ercolania viridis are indicated by grey circles and Elysia tuca by black triangles. Er. viridis is best modeled by the function y = -5.14x3 + 63.87x2–248.13x + 296 (R2 = 0.95) and El. tuca by y = 1.14x2–40.43x + 507.49 (R2 = 0.91). C–The PAM values for Elysia papillosa are indicated by dark grey squares, Elysia patina by black circles and Thuridilla hopei by light grey triangles. El. papillosa is best modeled by the function y = -0.55x2–7.54x + 514.6 (R2 = 0.94), El. patina by y = -35.59x + 660.95 (R2 = 0.89) and T. hopei by y = 1.48x2–60.38x + 577.04 (R2 = 0.98). D–The PAM values for Elysia cornigera are indicated by grey circles and Bosellia mimetica by black triangles. El. cornigera is best modeled by the function y = 1.91x2–74.94x + 718.98 (R2 = 0.97) and B. mimetica by y = 1.26x2–62.16x + 615.03 (R2 = 0.97)The error bars show the standard error.