Table 3. Standard deviation for each risk factors participating to the maintenance risk and the species diversity (across the values for the 12 sessions) and Spearman Rank Correlation Coefficient for each risk factors and the species diversity in relation to the global risk.

Standard Deviation Spearman Rank Correlation Coefficient p value
Abundance 15,9 0,83 0,001
Gregariousness 17,7 0,87 <0,001
Mixing 26,8 0,69 0,13
Juvenile 23,6 -0,01 0,96
Feeding 10,4 0,76 0,04
Species diversity 10,2 0,35 0,258