1. Environmental Scientist, Clean Water Program, San Francisco Estuary Institute, 4911 Central Ave., Richmond, CA 94804 (corresponding author).
2. Senior Environmental Scientist, Clean Water Program, San Francisco Estuary Institute, 4911 Central Ave., Richmond, CA 94804.
3. Environmental Analyst, Clean Water Program, San Francisco Estuary Institute, 4911 Central Ave., Richmond, CA 94804.
4. Environmental Scientist, Clean Water Program, San Francisco Estuary Institute, 4911 Central Ave., Richmond, CA 94804.
5. Undergraduate Student, Dept. of Ecology and Evolutionary Biology, Univ. of Toronto, Toronto, ON, Canada M53 3B2.
6. Graduate Student, Dept. of Ecology and Evolutionary Biology, Univ. of Toronto, Toronto, ON, Canada M53 3B2.
7. Research Assistant, Dept. of Ecology and Evolutionary Biology, Univ. of Toronto, Toronto, ON, Canada M53 3B2.
8. Assistant Professor, Dept. of Ecology and Evolutionary Biology, Univ. of Toronto, Toronto, ON, Canada M53 3B2.