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Month: May 2011

Carbon Isotope Considerations for LI-COR Gas Analyzers

Carbon Isotope Considerations for LI-COR Gas Analyzers

Carbon isotope tracing and analysis can provide valuable information about the path of specific molecules through a plant or an ecosystem.   Typically, a naturally-occurring isotope is introduced at a different concentration than that which is normally present in the natural environment, and then the isotope is traced through the system in question to illuminate ecosystem or plant processes.

All LI-COR infrared gas analyzers are designed to measure the three most common isotopes of carbon (12C, 13C, and 14C), but their…

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Studies in German Grasslands Reveal the Effects of Climate Change

Studies in German Grasslands Reveal the Effects of Climate Change

In the heart of Germany, in the Lückenbach rivulet floodplain, the University of Giessen and the Hessian Agency for Environment and Geology operate the Environmental Monitoring and Climate Impact Research Station Linden. The research site is a 4.5-hectare, semi-natural permanent grassland typical of German lowlands. Grasslands like this represent roughly 13% of the agricultural and 6% of the total land area in the nation. Established in the mid-1990s, the site includes a 3-hectare section for micrometeorological measurements and a 1.5-hectare…

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