Zobrazeno 1 - 10
of 45
pro vyhledávání: '"G B, Wiersma"'
Autor:
G. B. Wiersma, K. L. Weber
Publikováno v:
Toxicological & Environmental Chemistry. 65:17-29
The objective of this study was to examine the differences in elemental composition between two species of bryophytes. These two species (Bazzania trilobata and Dicranum fulvum) were collected from the Bear Brook paired forested watersheds. One water
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb942cea7cb44c60a082ab99191c0682
https://doi.org/10.1080/02772249809358554
https://doi.org/10.1080/02772249809358554
Publikováno v:
Toxicological & Environmental Chemistry. 62:169-196
Our research has focused on the design, testing, and application of integrated monitoring programs from a multimedia (air, water, soil, biota) systems approach at several types of study sites. The goals of this paper are: 1) to evaluate selected atmo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4770bb5641a842dbe5c8ef370dc9e9b3
https://doi.org/10.1080/02772249709358506
https://doi.org/10.1080/02772249709358506
Publikováno v:
Toxicological & Environmental Chemistry. 49:253-264
Atmospheric particulate samples were collected from 1985 through 1991 at a remote site in Torres del Paine National Park, Chile. High‐volume air monitors were used to collect these samples on polycarbonate membrane filters. The filters were then an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::58bb98d4c8fa3dd04ca9e54d9de00857
https://doi.org/10.1080/02772249509358200
https://doi.org/10.1080/02772249509358200
Publikováno v:
Environmental Toxicology and Chemistry. 11:459-472
A multimedia systems approach was used to field test wilderness monitoring guidelines (U.S. Forest Service) at a high elevation site in western Wyoming. Five evaluation criteria having a primary emphasis on an ecosystem conceptual framework were appl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d6d4776bdacfc83d51348ce5839ff567
https://doi.org/10.1002/etc.5620110403
https://doi.org/10.1002/etc.5620110403
Autor:
G. B. Wiersma
Publikováno v:
Toxicological & Environmental Chemistry. 27:241-249
For the past several years the Marine Board of the National Research Council, National Academy of Sciences, has been working on a study on a systems analysis of marine environmental monitoring prog...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f952b3640dae5eb6b105feb753fd8ef
https://doi.org/10.1080/02772249009357578
https://doi.org/10.1080/02772249009357578
Publikováno v:
Environmental Toxicology and Chemistry. 9:197-203
A laboratory sediment–water microcosm experiment for a Rocky Mountain subalpine lake was conducted over a 35-d incubation period. Three sets of treatments were acidified to a pH of 4.3 and compared with a set of control microcosms. Treatments inclu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::555d6106e3dbc4ff435eeb516dd4b4da
https://doi.org/10.1002/etc.5620090209
https://doi.org/10.1002/etc.5620090209
Publikováno v:
Chemosphere. 20:569-583
Concentrations of elemental nutrients (e.g., Ca, Mg) and anthropogenic trace metals (e.g., Pb, Cu) were measured in terrestrial ( Acrocladium auriculatum ) and aquatic ( Vittia pachyloma ) mosses in southern Chile as part of a pilot project for integ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00907e78675d9a301ebba1f3105dfec0
https://doi.org/10.1016/0045-6535(90)90113-8
https://doi.org/10.1016/0045-6535(90)90113-8
Autor:
Stephen A. Norton, A. Grygo, Kathy A. Tonnessen, Lindsey E. Rustad, George L. Jacobson, D. Manski, T. A. Haines, Aria Amirbahman, R. Breen, Sarah J. Nelson, J. Eckhoff, Michael S. Bank, Molly Schauffler, G. B. Wiersma, Jeffrey S. Kahl, Jose Alexander Elvir, K. B. Johnson, Ivan J. Fernandez, John Campbell, Jennifer L. Parker, H. Caron, R. Lent, P. Ruck, K. D. Sheehan
Publikováno v:
Environmental monitoring and assessment. 126(1-3)
This paper is an overview of this special issue devoted to watershed research in Acadia National Park (Acadia NP). The papers address components of an integrated research program on two upland watersheds at Acadia NP, USA (44 degrees 20' N latitude;
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fadcf9265c9b546346c6c24d45984cf9
https://pubmed.ncbi.nlm.nih.gov/17180436
https://pubmed.ncbi.nlm.nih.gov/17180436
