A scientist told a national magazine that a federal agency changed his analysis of photographs of Drakes Estero to justify a claim of environmental harm against Drakes Bay Oyster Company, which ceased operations last month.
Brent Stewart, who has been a senior research scientist at Hubbs-SeaWorld Research Institute for decades, analyzed a selection of time-lapse photographs taken by a Point Reyes National Seashore camera for a 2012 United States Geological Survey report on harbor seals,…