Research Article

Effect of Season and Increased Temperature on Survival, Roe Enhancement, and Reproductive Cycle of the Green Sea Urchin (Strongylocentrotus droebachiensis) Collected from Four Relatively Close Sites in Northern Norway

Figure 4

The GI of the sea urchins collected from the four sites throughout the 12-month period that the trials were running. The shaded areas indicate when the three trials were run.