Zobrazeno 1 - 10
of 51
pro vyhledávání: '"John J, Beauchamp"'
Publikováno v:
Ecotoxicology. 12:427-437
Lithium (Li) is the lightest metal and occurs primarily in stable minerals and salts. Concentrations of Li in surface water are typically
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2ee675065ee13d7bc26895db1a2dc42c
https://doi.org/10.1023/a:1026160323594
https://doi.org/10.1023/a:1026160323594
Autor:
Brian A. Carrico, Michael G. Ryon, W Kelly Roy, John J. Beauchamp, Elizabeth M. Schilling, Roxanna L. Hinzman
Publikováno v:
Transactions of the American Fisheries Society. 129:89-100
The dispersal and recovery effectiveness of tagged dead fish were determined in a simulated stream fish kill. Two experiments were conducted under different flow regimes within a 2.3-km section of headwater stream. The first experiment used 120 tagge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::27460841f8cf1a0f0657891c11716900
https://doi.org/10.1577/1548-8659(2000)129<0089:sdodfa>2.0.co
https://doi.org/10.1577/1548-8659(2000)129<0089:sdodfa>2.0.co
Autor:
John J. Beauchamp, John G. Smith
Publikováno v:
Environmental Monitoring and Assessment. 62:205-230
Two cage designs and fingernail clams(Sphaerium fabale) were evaluated for theirsuitability for use in in situ bioassays toassess the ecological condition of a stream andpredict ecological recovery potential. One design(referred to as tray design) wa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6e2b4bc5f9035e7a94091320ac60a0ea
https://doi.org/10.1023/a:1006297703131
https://doi.org/10.1023/a:1006297703131
Publikováno v:
Environmental Toxicology and Chemistry. 18:2110-2120
Estimation of contaminant concentrations in earthworms is a critical component in many ecological risk assessments. Without site-specific data, literature-derived uptake factors or models are frequently used. Although considerable research has been c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50aec2fb18de9edf4dfab4c0e45c1e57
https://doi.org/10.1002/etc.5620180932
https://doi.org/10.1002/etc.5620180932
Autor:
Rebecca A. Efroymson, Daniel S. Jones, Jennifer M. Field, Lawrence W. Barnthouse, John J. Beauchamp, Glenn W. Suter
Publikováno v:
Environmental Toxicology and Chemistry. 18:599-609
The sediments of Poplar Creek and the Clinch River are contaminated with a wide variety of chemicals, including heavy metals, polycyclic aromatic hydrocarbons, and PCBs. Sources include the U.S. Department of Energy's Oak Ridge Reservation as well as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::09ac38144781ff8ef140a3255eac2897
https://doi.org/10.1002/etc.5620180404
https://doi.org/10.1002/etc.5620180404
Autor:
Donald J. P. Swift, Christopher J. Murray, Fred J. Brockman, Chuanlun Zhang, Tommy J. Phelps, Anthony V. Palumbo, Brian S. Parsons, John J. Beauchamp
Publikováno v:
ResearcherID
We have examined the effects of sediment grain size and depth on the abundance and activity of aerobic bacteria at two coastal plain sites in Virginia. Samples were collected at centimeter intervals as well as meter intervals because fine‐scale sam
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7247054bc5aec9dbe4864e404e711ce3
https://doi.org/10.1080/01490459809378074
https://doi.org/10.1080/01490459809378074
Publikováno v:
Journal of biological physics. 30(3)
The biomagnetic inverse problem has captured the interest of both mathematicians and physicists due to its important applications in the medical field. As a result of our experience in analyzing the electrical activity of the gastric smooth muscle, w
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8b5dcc36b2b4594eea0e75d11c7cb45f
https://pubmed.ncbi.nlm.nih.gov/23345871
https://pubmed.ncbi.nlm.nih.gov/23345871
Publikováno v:
Journal of the North American Benthological Society. 14:371-381
The influence of periphyton biomass, irradiance, and herbivory by snails on phosphorus turnover in stream periphyton communities was examined over a 15-d experimental period. A 2 × 2 × 2 factorial design was employed with each treatment combination
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::49873a2a1cca82cd6ba66e769459ad90
https://doi.org/10.2307/1467203
https://doi.org/10.2307/1467203
Autor:
Robert V. O'Neill, Donald W. Jones, John J. Beauchamp, Marcos Antonio Pedlowski, Virginia H. Dale
Publikováno v:
Resource and Energy Economics. 17:155-188
We study economic and environmental aspects of farming practices of a sample of 91 family farms around the city of Ouro Preto, in Brazil's state of Rondonia, in western Amazonia, from four overlapping perspectives. First, we estimate production funct
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::23531222bf2c52410980f4f86a288459
https://doi.org/10.1016/0928-7655(94)00011-8
https://doi.org/10.1016/0928-7655(94)00011-8
Publikováno v:
Environmental Toxicology and Chemistry. 13:1673-1683
The authors have applied canonical variate analysis procedures for evaluating multivariate responses of fish populations to various contaminant stressors. Using examples of fish populations experiencing high levels of PCBs in a reservoir and mixed co
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::842cec70cb05cd91bcd38ec3af9bb38e
https://doi.org/10.1002/etc.5620131018
https://doi.org/10.1002/etc.5620131018