Monthly variation of the environmental parameters in the sampling layer.

<p>A) Average of temperature (<sup>o</sup>C) and B) salinity in the 0–50 m layer for every month and site (error bars indicate the standard deviation). C) Monthly variation of zooplankton displacement volume (ZDV, ml m<sup>-3</sup>) and D) larval abundance (larvae m<sup>-2</sup>) in the inshore and offshore site.</p>