Hatching success and emergence rate hindcasts from 1976–1977 to 2009–2010 related to MEI.

<p>(a,b) hindcast of hatching success and emergence rate in relation to MEI of September-October (<i>R²</i> = 0.52, <i>P</i><0.001 for both); (c,d) hindcast of hatching success and emergence rate (dashed lines with x’s) related to MEI (solid lines) of September-October by year. Lowest and highest hindcasts are marked with red and blue arrows respectively.