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Specimen collecting
Taking of samples from the environment for study.
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PDF Application of environmental DNA for inventory and monitoring of aquatic species [More info]
Using genetic analysis of organic material found in aquatic environments it is possible to detect the presence of organisms without necessarily observing or capturing individuals. Explains terms, methods, and prospective utility of this approach.
Biomarker Benchmarks: Reproductive and Endocrine Biomarkers in Largemouth Bass and Common Carp from United States Waters [More info]
Describes a national reconnaissance study of reproductive health in two species of fish across the US. More than 2,200 common carp and 650 largemouth bass were collected at 119 rivers and streams.
Biosolids, Animal Manure, and Earthworms: Is There a Connection? [More info]
Research findings and examples of application to real problems--how household contaminants accumulate in and effect the environment
Climate-Driven Ocean Changes Affect Estuaries [More info]
Research findings and examples of application to real problems--Pacific Ocean cooling triggers phytoplankton blooms in San Francisco Bay.
Detecting Amphibian-Killing Fungus Helps Scientists Study Amphibian Declines [More info]
Research findings and examples of application to real problems--a new method to track down amphibian disease in the environment.
Earthworms of North Dakota [More info]
Species maps, aggregate map, earthworm diagram, species photos, and bibliography of earthworm species found in North Dakota
Field manual of wildlife diseases: general field procedures and diseases of birds [More info]
Manual listing field procedures for bird specimen collecting, bacterial, fungal, parasitic, and viral diseases, biotoxins, chemical toxins, common and scientific names of birds, and glossary. Manual can be downloaded or viewed in PDF format.
Gulf of Mexico Climate-History Calibration Study [More info]
Proxy methods allow us to estimate ancient ocean temperatures but only if the method is calibrated using modern samples for which we measure the temperature. This is a proxy method using a sediment trap to collect planktonic foraminifera.
PDF Gulf of Mexico deep-sea coral ecosystem studies, 2008-2011 [More info]
Deep-sea corals, also known as cold-water corals, have become a topic of interest due to conservation concerns over the impacts of trawling, exploration for oil and gas, and climate change.
PDF Investigating atmospheric mercury with the U.S. Geological Survey mobile mercury laboratory [More info]
Explains sources of mercury in the air, ways in which mercury is concentrated in animals, and describes how we measure deposition of atmospheric mercury, with summaries of observations.
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