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The ecological effects of the Chernobyl disaster

as lower, despite similar nesting and laying dates.

The radio nucleotides in the area also filter into the soil, and from there into plants. Animals that consume these plants, including livestock, then take up the radionucleotides. Viktor Dolin (National Academy of Sciences, Kyiv, Ukraine) will discuss a newly described process of environmental self-cleaning in the talk, "Biogeochemical cycling of radionucleotide: Implications for the human food web." Dolin calculated the rate of 137Cs and 90Srs moving through the environment, then used the data to determine an ecosystem's ability to "clean" itself of excess radiation.

Oleksander Orlov's (Ukrainian Scientific Research Institute) presentation, "The distribution and cycling of 137Cs in forests of the Chernobyl exclusion zone," will focus on 137Cs levels in three 50-year old Scotch Pine forests. Forest litter, moss, lichens, understory, macromycetes, and canopy 137Cs activity measurements will be described. Also working in these pine forests, Vadim Skripkin and colleagues from the Institute for Environmental Geochemistry, Ukraine and the University of South Carolina will report their findings on the distribution of 14C in, "The turnover of 14C carbon in forests of the Chernobyl exclusion zone."

The final presentation of the session, Ronald Chesser (Texas Tech University, US) will describe the distribution and effects of radiation doses that hit wildlife that were living in the area at the time of the accident, as well as how the populations recovered in the talk, "Temporal trends in radiation doses, survival, and recovery in wildlife populations at Chernobyl."

Organized Oral Session 7: "Ecological effects of the Chernobyl disaster: Genes to ecosystems," will take place Monday 8 August 2005, 1:30 - 5:00 PM in Meeting Room 510 A, Level 5, Palais des congrès de Montréal.

For more information about this session and other ESA-INTECOL Meeting activities, visit: www.esa.org/montreal. Th
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Source:Ecological Society of America


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