Document Detail


Marine macroalgae in polar regions as natural sources for volatile organohalogens.
MedLine Citation:
PMID:  11400635     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Marine macroalgae species from the polar regions were investigated for their importance as natural sources of volatile halogenated compounds released into the biosphere. Several different halogenated C1 to C4 hydrocarbons were identified and their release rates determined. The compounds contained mainly bromine and iodine, and form was the dominant compound released. Although an annual atmospheric input of approximately 10(8)-10(10) g bromine and 10(7)-10(8) g iodine was calculated from the release rates, marine macroalgae are apparently not the major source on a global scale, as the release is up to four orders of magnitude lower than a presumed annual flow from the oceans. Despite this, macroalgae may be more important on a local scale due to their occurrence at a high biomass in the coastal regions. The present paper gives an overview about studies done on the release of volatile halocarbons by macroalgae from polar regions. Furthermore, the function of these compounds in the macroalgal metabolism is discussed.
Authors:
F Laturnus
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Publication Detail:
Type:  Journal Article; Review    
Journal Detail:
Title:  Environmental science and pollution research international     Volume:  8     ISSN:  0944-1344     ISO Abbreviation:  Environ Sci Pollut Res Int     Publication Date:  2001  
Date Detail:
Created Date:  2001-06-12     Completed Date:  2001-06-28     Revised Date:  2009-08-14    
Medline Journal Info:
Nlm Unique ID:  9441769     Medline TA:  Environ Sci Pollut Res Int     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  103-8     Citation Subset:  IM    
Affiliation:
Risø National Laboratory, Department of Plant Biology and Biogeochemistry, PBK-124, PO Box 49, 4000 Roskilde, Denmark. polaris3@uni-bremen.de
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MeSH Terms
Descriptor/Qualifier:
Algae / metabolism*
Cold Climate
Humans
Hydrocarbons, Halogenated / analysis,  metabolism*
Chemical
Reg. No./Substance:
0/Hydrocarbons, Halogenated

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