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Filtering by: Subject Ommastrephidae -- Geographic information systems -- Oregon -- Pacific Coast

A cooperative effort to track Humboldt squid invasions in Oregon

Creator:

Chesney, Tanya A.

Abstract:

Interannual variability of Humboldt squid (Dosidicus gigas) occurrence in the northern California Current System is largely unknown. In Oregon, the distribution of this versatile predator and what is influencing their range expansion from Mexico is poorly understood due to the recent nature of their "invasion" and a lack of monitoring....

Resource Type:

Masters Thesis

Full Text:

the sightings with oceanographic conditions using a geographic information system (GIS) and species
Where's the ground surface? Elevation bias in LIDAR-derived digital elevation models due to dense vegetation in Oregon tidal marshes

Creator:

Ewald, Michael J.

Abstract:

Light Detection and Ranging (LIDAR) is a powerful resource for coastal and wetland managers and its use is increasing. Vegetation density and other land cover characteristics influence the accuracy of LIDAR-derived ground surface digital elevation models; however, the degree to which wetland land cover biases LIDAR estimates of the ground...

Resource Type:

Masters Thesis

Full Text:

-derived Digital Elevation Models Due to Dense Vegetation in Oregon Tidal Marshes