Nematodes are tiny but complex unsegmented roundworms that are anatomically differentiated for feeding, digestion, locomotion, and reproduction. These small animals make important contributions to organic matter decomposition and to the food chain. Some species, however, are parasitic to plants or animals. This publication provides a description and information on biology,...
Tree-ring analysis was applied to assess the impacts of the fungal disease Swiss needle
cast on the radial growth of mature Douglas-fir (Pseudotsuga menziesii) forests in the
western Oregon Coast Range. Although considered endemic to the Pacific Northwest,
Swiss needle cast has significantly lowered productivity in Douglas-fir forests only in...
Seamount research, more often than not,
is carried out by highly specialized science
teams with narrowly focused science objectives.
As a result, different seamount science
disciplines often do not collaborate or are
not even aware of each other. However, it is
obvious that interdisciplinary collaboration
is the most successful approach...
Seamounts are windows into the deep Earth that are helping to
elucidate various deep Earth processes. For example, thermal and mechanical
properties of oceanic lithosphere can be determined from the flexing of oceanic
crust caused by the growth of seamounts on top of it. Seamount trails also are
excellent recorders...
Vailulu’u seamount is an active underwater volcano that marks the end of the Samoan hotspot trail (Hart et al., 2000). Vailulu’u has a simple conical morphology (Figure 1) with a largely enclosed volcanic crater at relatively shallow water depths, ranging from 590 m (highest point on the crater rim) to...
The Port of Portland is currently looking for consultants to develop designs for the Troutdale Reynolds Industrial Park (TRIP). CA3D Consultants provides experience from many engineering disciplines and would meet the client’s expectations. Our proposal includes the extension of Swigert Way to Graham Road, construction of office/manufacturing building space, mitigation...
This presentation about the Oregon Spatial Data Library (OSDL) (http://spatialdata.oregonexplorer.info/) was delivered to the Western Association of Map Libraries in March 2010. The OSDL provides convenient ways to find, access, and share geospatial data and was developed in partnership with the Oregon Department of Administrative Services (DAS). The Oregon Spatial...
This report is laid out as a progressive exploration of how the economics of ES production interacts with finance, broadly construed, in actual credit transactions. The inquiry proceeds in several steps. First, the economics of ecosystem services production is explored to provide critical context for potential financing approaches. This section...
We quantified the juvenile rearing and migratory patterns of individuals from a population of fall-spawning Chinook salmon Oncorhynchus tshawytscha in Oregon's Salmon River estuary using otolith microchemistry and microstructure. The study confirmed the daily periodicity of otolith growth increments in a natural fish population under field conditions and validated fundamental...
Small-scale urban natural parks have the potential to contribute to the health and well-being of urban communities. Although recreation researchers have seldom focused on such areas, recreation research theory can be successfully applied to urban natural parks, especially if augmented by the application of social capital and social networks theory....