Mistaken identity? Visual similarities of marine debris to natural prey items of sea turtles

BMC Ecology

Table 1 Model coefficients for physical factors influencing the selectivity of debris ingestion by sea turtles

	Intercept	SE of intercept	Turtle effect	SD of turtle effect	p-value	Selectivity ratio^a
Flexibility	1.755	0.088	0.767	0.133	<0.001*	0.437
Translucency	1.295	0.069	0.375	0.104	0.001*	0.290
SWS	0.268	0.006	-0.058	0.010	<0.001*	0.215
MWS	0.291	0.005	0.028	0.008	0.002*	0.096
LWS	0.311	0.008	0.040	0.012	0.002*	0.127
UVS	0.130	0.007	-0.010	0.010	0.345	0.075
Contrast	25.981	1.551	-1.468	2.356	0.573	0.057
Luminance (sum of cones)	239.27	16.225	-153.144	24.569	<0.001*	0.640
Luminance (double cone)	74.978	4.930	-43.441	7.47	<0.001*	0.579

Note that the selectivity ratio indicates the relative strength of the turtles’ selectivity based on each factor. *indicate p values that are significant at the 0.05 level.
^aCalculated as the absolute value of the ratio of the size of the turtle effect to the size of the intercept.

ISSN: 1472-6785