Dismally low numbers of adult coho salmon are returning to the Lagunitas Creek watershed this winter, despite adequate streamflows. Out of the nearly 8,000 smolts that migrated to sea in 2018, the Marin Municipal Water District estimates just one percent have returned to spawn.
“In early December, things were still shaping up as I expected,” said Eric Ettlinger, an aquatic ecologist with the water district. “We were expecting a below-average run and the numbers looked…