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Browse almost 5,000 conference papers authored by our scientists and refine search by topic, location, year, and advanced search.

Filter Total Items: 5518

Organochlorine poisoning of herons Organochlorine poisoning of herons

Over a period of years interested individuals have submitted many dead or moribund herons of various species to our laboratory to learn whether the birds had been affected by diseases or organochlorine poisoning. Residue concentrations in carcasses of birds and mammals are considered the best measure of sublethal exposure, whereas residues in brains are best to use for diagnosing death...
Authors
Harry M. Ohlendorf, Douglas M. Swineford, Louis N. Locke
By
Ecosystems Mission Area, Eastern Ecological Science Center, National Wildlife Health Center

Methods used at Patuxent Wildlife Research Center to study the effects of oil on birds Methods used at Patuxent Wildlife Research Center to study the effects of oil on birds

No abstract available.
Authors
W.C. Eastin
By
Ecosystems Mission Area, Eastern Ecological Science Center

A stratified-cluster sampling procedure applied to a wildland vegetation inventory using remote sensing A stratified-cluster sampling procedure applied to a wildland vegetation inventory using remote sensing

No abstract available.
Authors
W. G. Rohde, W. A. Miller, K. G. Bonner, E. Hertz, M. F. Engel
By
Earth Resources Observation and Science (EROS) Center

Forest stand classification in western Washington using Landsat and computer-based resource data Forest stand classification in western Washington using Landsat and computer-based resource data

No abstract available.
Authors
G. R. Johnson, E. W. Barthmaier, T. W. D. Gregg, R. E. Aulds
By
Earth Resources Observation and Science (EROS) Center

Altitude-age relationships of the lunar maria Altitude-age relationships of the lunar maria

Altitudes and relative ages of mare surface units were compared to test if a systematic correlation in height of lava eruption surfaces and age might reflect a corresponding increase in depth of the magma chamber with time; in addition the altitudes were studied to shed light on the time and place of warping of mare surfaces. The laser altimeter data from the Apollo missions and relative...
Authors
Baerbel K. Lucchitta, J. M. Boyce
By
Natural Hazards Mission Area, Astrogeology Science Center

Biogenic and thermogenic gas in gas-charged sediment of Norton Sound, Alaska Biogenic and thermogenic gas in gas-charged sediment of Norton Sound, Alaska

Chemical and isotopic compositions of sediment gas from Norton Sound have been determined for near-surface, gas-charged sediments at two sites identified in acoustic profiles and bottom observations. At one site air-driven vibracorer penetrated sediment saturated with methane. The isotopic value suggests that the methane originated from active biological processes operating on peat in...
Authors
Keith A. Kvenvolden, C.H. Nelson, D.R. Thor, Matthew C. Larsen, G.D. Redden, J. B. Rapp, D. J. Des Marais
By
Pacific Coastal and Marine Science Center
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