Natural and anthropogenic consequences of tropical forest soils in Northern Peru using environmental radionuclides as radiotracers

R. Fujiyoshi; Y. Satake; T. Sato; T. Sumiyoshi; J. Dietz; R. Zimmermann

doi:10.1007/s10967-007-7308-2

Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 279: Issue 2

Natural and anthropogenic consequences of tropical forest soils in Northern Peru using environmental radionuclides as radiotracers

Authors:

R. Fujiyoshi

R. Fujiyoshi Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628 Japan

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Y. Satake

Y. Satake Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628 Japan

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T. Sato

T. Sato Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628 Japan

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T. Sumiyoshi

T. Sumiyoshi Graduate School of Engineering, Hokkaido University, Sapporo, 060-8628 Japan

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J. Dietz

J. Dietz Max Plank Institute for Biogeochemistry, Jena, Germany

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, and

R. Zimmermann

R. Zimmermann Institute of Botany and Botanical Gardens, University of Hohenheim, Stuttgart, Germany

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Pages:: 509–518

Online Publication Date:: 22 Jan 2009

Publication Date:: 01 Feb 2009

Article Category:: Research Article

DOI:: https://doi.org/10.1007/s10967-007-7308-2

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Abstract

Environmental radionuclides (⁴⁰K, ¹³⁷Cs, ²¹⁰Pb, ²²⁶Ra) were determined in soils under semi-arid stands, a transition area from thorn to deciduous forest in El Angolo, and heath stands in the Alto Mayo in Northern Peru in order to elucidate their activity level in soil, and to trace underground environment in remote areas of little anthropogenic intervention. Anthropogenic ¹³⁷Cs was only found in the uppermost portion of the soils in small amount, whereas the ²¹⁰Pb activity was exceptionally high at the soil surfaces in a tropical stand of Alto Mayo. The results suggest a fallout nuclide, ²¹⁰Pb, having been transported from local source(s) not to be specified yet.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)