International Journal of Zoology / 2012 / Article / Tab 2

Research Article

Methods of Developing User-Friendly Keys to Identify Green Sea Turtles (Chelonia mydas L.) from Photographs

Table 2

List of factors used to distinguish turtles in the developed keys. Priority indicates a ranking system from 1 to 13, where 13 indicates the most obvious characteristic to separate individuals, this ranking was used as a weighting factor in the development of the priority key. *For the combined key all these factors were weighted as 8.

FactorPriority ranking (1–13)

Number of parietal scales13
Parietal scales with tick12
Frontoparietal scale with tick11
Frontal scale with tick10
Extra frontoparietal scale 9
2 temporal scales 8*
4 temporal scales 7*
5 temporal scales 6*
Prefrontal scale with tick 5
Supraocular scale with tick 4
Interparietal scale meets frontoparietal scale 3
3 temporal scales 2*
Number of spots at parietal scale base 1

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