Figure 1. First appearance (Days after May 1) of Mnemiopsis leidyi ctenophores versus average May water temperature in Narragansett Bay, Rhode Island in 1970–1999 (drawn from data in Sullivan et al., 2001).
Figure 1. First appearance (Days after May 1) ofMnemiopsis leidyi ctenophores versus average May watertemperature in Narragansett Bay, Rhode Island in1970–1999 (drawn from data in Sullivan et al., 2001).