Figure A8. Abundance (dashed line) and biomass (solid line) indices for principal groundfish (Atlantic cod, haddock, pollock, Acadian redfish, and white hake), principal flounders (yellowtail flounder, American plaice, witch flounder, winter flounder, and windowpane flounder), small-mesh groundfish (silver hake, red hake, and ocean pout) and other groundfish (Atlantic wolffish, goosefish, and cusk) from the NEFSC spring and autumn surveys in the Gulf of Maine, 1963-2002.