Organism groupings (non-taxonomic)
Used for categories of living organisms that are not taxonomic and that include species from more than one taxonomic group.
Identifying predators and fates of grassland passerine nests using miniature video cameras [ More info] Description of the use of a miniature video-camera system deployed at nests of passerine species in North Dakota to videotape predation of eggs or nestlings by animals such as mice, ground squirrels, deer, cowbirds and others.
Improving strategies to assess competitive effects of barred owls on northern spotted owls in the Pacific Northwest [ More info] A scientific study has determined that survey methods designed for spotted owls do not always detect barred owls that are actually present in spotted owl habitat.
Influence of Riparian Tree Phenology on Lower Colorado River Spring-Migrating Birds: Implications of Flower Cueing [ More info]
Invasive Species Program -- Snakeheads, aquatic invaders [ More info] Snakeheads, aggressive airbreathing freshwater fishes that are not native to North America, are considered injurious to certain native North American fish and other aquatic wildlife.
Invasive crayfish in the Pacific Northwest [ More info] These organisms have negative effects on local ecosystems, but we don't yet know how extensively they have spread. Here is a key to help people identify them.
Invasive species program [ More info] This program provides management-oriented research and delivers information needed to prevent, detect, control, and eradicate invasive species, and to restore impaired ecosystems.
Invasive species research [ More info] Links to research projects that will improve the ability to detect, monitor, and predict the effects of invasive species, including exotic animals, on native ecosystems of the Pacific Southwest (California, Nevada, Utah, and Arizona).
Is science in danger of sanctifying the wolf? [ More info] What does it mean that beneficial trophic cascades (side effects) of wolf population restoration are questioned by recent research?
Landscape changes in the southwestern United States: techniques, long-term data sets, and trends [ More info] This study illustrates some approaches for reconstructing landscape change.
Long Term Resource Monitoring Program (Upper Mississippi River area): sampling data [ More info] Downloadable data and other information about the sampling programs used in long-term monitoring of the upper Mississippi River area.
Alphabetical Index of Topics
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