Biological introductions may considerably alter the composition and community dynamics of invaded areas thereby changing many ecosystem processes including productivity, decomposition, nutrient cycling and hydrology. The effects on native species may be obscured by a lack of information on distribution and abundance patterns. The Japanese eelgrass, Zostera japonica, was introduced...
This report is one of a series prepared by the Oregon Department of Fish and Wildlife (ODFW) which summarizes the physical and biological data for selected Oregon estuaries. The reports are intended to assist coastal planners and resource managers in Oregon fulfilling the inventory and comprehensive plan requirements of the...
The Lower North Umpqua Watershed assessment has two goals:
1) To describe the past, present, and potential future conditions that affect water quality and fish habitat within the Lower North Umpqua Watershed; and
2) To provide a research-based action plan that suggests voluntary activities to improve fish habitat and water...
In Part I the environment of the coastal dunes of Oregon and Washington is analyzed. Most of the substratum is a narrow foreland or terrace, in part submerged, that borders the mountain front. Temperature is relatively low in summer and rarely reaches the freezing point in winter. Winter precipitation is...
The Lower South Umpqua Watershed Assessment has two goals:
1) To describe the past, present, and potential future conditions that affect water quality and fish habitat within the Lower South Umpqua Watershed; and
2) To provide a research-based action plan that suggests voluntary activities to improve fish habitat and water...