The uncertain future of the Delta Smelt

The lowest ever recorded index of abundance for delta smelt (Hypomesus transpacificus) was reported earlier this year in the results from the 2014 California Department of Fish Read More…

Fish models: a (brief) history

In a previous Fish Report (The Salmon Mega-model), we discussed the very important role that mathematical models play in fisheries management. These models have quite an extensive Read More…

The salmon mega-model

Fisheries scientists often get called on to make assessments or predictions about the current or future state of fish populations. But short of a crystal ball, the Read More…