This document focuses on watershed management and features several case studies exploring the impacts of various disturbances and management practices on water resources and aquatic ecosystems, primarily within British Columbia and the Pacific Northwest. Key themes include the hydrologic and ecological consequences of wildfires, strategies for watershed and habitat restoration following events like floods and landslides, and considerations for managing riparian areas and headwater streams. Additionally, the document touches upon spawning gravel placement to enhance fish habitat and provides an introduction to watershed modeling as a tool for assessing environmental changes.