11 results on '"Helle, Gerhard"'
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2. Quantifying the impact of chemicals on stable carbon and oxygen isotope values of raw pollen
3. Interdisciplinary Geo-ecological Research across Time Scales in the Northeast German Lowland Observatory (TERENO-NE)
4. Spatio‐temporal patterns of tree growth as related to carbon isotope fractionation in European forests under changing climate
5. Increased water‐use efficiency translates into contrasting growth patterns of Scots pine and sessile oak at their southern distribution limits
6. An 810-year history of cold season temperature variability for northern Poland
7. Placing unprecedented recent fir growth in a European-wide and Holocene-long context
8. UV ‐laser‐based microscopic dissection of tree rings – a novel sampling tool for δ 13 C and δ 18 O studies
9. A Network of Terrestrial Environmental Observatories in Germany
10. Long tree-ring chronologies reveal 20th century increases in water-use efficiency but no enhancement of tree growth at five Iberian pine forests
11. Tracing carbon and oxygen isotope signals from newly assimilated sugars in the leaves to the tree-ring archive
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