International Importance: Habitat protection on Bolinas Lagoon and Tomales Bay by John P. Kelly Page 1

Signal Crayfish in Stuart Creek: Controlling Pacifastucus lenistulus at Bouverie Preserve by Jeanne Wirka Page 4

What’s the Life Span of a Heronry?: Habitat protection and nesting colonies by John P. Kelly Page 6

Sonoma Valley Vernal Pools: Is nitrogen pollution harming fragile ecosystems? by Daniel Gluesenkamp and Jeanne Wirka Page 8

Charting the Course: The importance of mapping in the protection of native ecosystems by Jennifer Jordan Page 10