Auflistung Paläontologie, Geobiologie nach Mitwirkenden "Helle, Gerhard"
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Quantifying the impact of chemicals on stable carbon and oxygen isotope values of raw pollen
Müller, Carolina; Hennig, Julian; Riedel, Frank; Helle, Gerhard (Journal of Quaternary Science, 2021-03-23)Purification protocols to extract pollen from lake sediments contain chemicals that alter the carbon and oxygen pollen‐isotope values according to pollen characteristics and family affiliation. Modern (raw) pollen of ... -
Trees Talk Tremor—Wood Anatomy and δ13C Content Reveal Contrasting Tree‐Growth Responses to Earthquakes
Mohr, Christian H.; Manga, Michael; Helle, Gerhard; Heinrich, Ingo; Giese, Laura; Korup, Oliver (Journal of Geophysical Research: Biogeosciences, 2021-10-08)Large earthquakes can increase the amount of water feeding stream flows, raise groundwater levels, and thus grant plant roots more access to water in water‐limited environments. We examine growth and photosynthetic responses ...