Zobrazeno 1 - 10
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pro vyhledávání: '"L.L. St. Clair"'
Akademický článek
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Publikováno v:
Journal of Arid Environments. 63:304-323
The Mercur Gold Mine tailings pond experienced a dam failure more than 70 years ago, creating a denuded area that was the subject of this study. Arsenic levels in the surface soils ranged from 45 to 3237 mg As kg−1. Vascular plants, mosses, algae,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9970fb7fa569e16e2d982cb7e9a3640a
https://doi.org/10.1016/j.jaridenv.2005.03.029
https://doi.org/10.1016/j.jaridenv.2005.03.029
Autor:
Nolan F. Mangelson, Patrick G. Grant, B.M. Clark, Lawrence B. Rees, J.R. Southon, Graham Bench, L.L. St. Clair
Publikováno v:
The Lichenologist. 34:169-179
14C/C ratios in samples from radial transects across individual thalli of Caloplaca trachyphylla collected at two sites were measured and the results used to investigate whether 14C/C data might provide some insight into the magnitude of carbon turno
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2e3caba7e8a1cf79069c652554c81fe5
https://doi.org/10.1006/lich.2002.0377
https://doi.org/10.1006/lich.2002.0377
Autor:
Graham Bench, B.M. Clark, Nolan F. Mangelson, J.R. Southon, Lawrence B. Rees, L.L. St. Clair, Patrick G. Grant
Publikováno v:
The Lichenologist. 33:539-542
Radial 14C/C profiles across three individuals of the crustose lichen Rhizocarpon geographicum (L.) DC. have been determined using accelerator mass spectrometry. These data were used to assess whether lifespan estimates can be determined in this spec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::efd63cdbf63497adb1eeefe903d22e6a
https://doi.org/10.1006/lich.2001.0353
https://doi.org/10.1006/lich.2001.0353
Publikováno v:
The Lichenologist. 32:399-403
Sections of the crustose saxicolous lichen, Caloplaca trachyphylla, were dated using 14C accelerator mass spectrometry (AMS). The data show a stron linear dependence of radial position on time (r=0.993), suggesting a constant radial growth rate. This
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5e9b6b3bb56eec06aecac1c6ee607e52
https://doi.org/10.1006/lich.2000.0279
https://doi.org/10.1006/lich.2000.0279
Autor:
Graham Bench, John S. Gardner, Patrick G. Grant, B.M. Clark, Lawrence B. Rees, Nolan F. Mangelson, L.S Cooper, L.L. St. Clair
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 150:248-253
In order to better understand the distribution pattern of mineral elements in lichen tissues, thin sections (15 μm) of the foliose, vagrant soil lichen Xanthoparmelia chlorochroa were examined using proton microprobe Particle induced X-ray emission
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b5898086bae78649598118e5421eb854
https://doi.org/10.1016/s0168-583x(98)00919-7
https://doi.org/10.1016/s0168-583x(98)00919-7
Autor:
R.N. Williams, G. B. Schaalje, L.L. St. Clair, Lawrence B. Rees, K.D. Swalberg, R.C. Casellas, Nolan F. Mangelson
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. :336-340
Thirty-six lichen samples that were collected from five wilderness areas and a national monument in the intermountain western United States have been analyzed by PIXE for the determination of 21 elements: P, S, Cl, K, Ca, Ti, V, Cr, Mn, Fe, Co, Ni, C
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::babb5d2be2b0e6d1a5dc8af0627d144e
https://doi.org/10.1016/0168-583x(95)00931-0
https://doi.org/10.1016/0168-583x(95)00931-0
Publikováno v:
AIP Conference Proceedings.
Lichens have been shown to be effective biomonitors of air quality. They are currently being used to characterize background element levels and to identify air pollution effects on federally administered lands in the Rocky Mountain region of the west
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5773c58fc02ffada190d66ff6a520102
https://doi.org/10.1063/1.52702
https://doi.org/10.1063/1.52702
Akademický článek
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Akademický článek
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