Life in sympatry: coexistence of native Eurytemora affinis and invasive Eurytemora carolleeae in the Gulf of Finland (Baltic Sea)
Summary: The invasion of exotic species into native ecosystems is becoming a crucial issue Rooster in global biology.Over the last ten years, at least 45 invasions of aquatic species have been reported in the eastern part of the Gulf of Finland; the majority of them were introduced through ballast water.Recently, invasion of the estuarine calanoid