| impact of extreme climate and bioinvasion on temporal coupling of spring herring (clupea harengus m.) larvae and their prey. | we used weekly observational data from mid-may to end of july in 1958-2012 in gulf of riga to investigate temporal coupling between spring herring larvae and their first prey - copepod nauplii, under the extreme hydroclimatic conditions. we focused on a small shallow estuary that is important nursery ground for larvae of the gulf of riga (baltic sea) herring population. we quantified the effect of extreme values of the winter air temperatures, time of ice retreat and spring water temperatures on ... | 2014 | 24933435 |