Journal Article 3 tannin Betula nana (dwarf birch) 1 Environment 1 FLC 1 N762921K75 1 Nitrogen 1 mehr ... Nitrogen Isotopes 1 Plant Growth Regulators 1 Populus tremuloides 1 Proanthocyanidins 1 Research Support, U.S. Gov't, Non-P.H.S. 1 Review 1 arctic-alpine ecosystems 1 climate change experiments 1 fertilization 1 flowering time 1 genotypic variation 1 herbivory 1 maternal 1 nutrient cycling 1 plant-insect interactions 1 secondary metabolites 1 seed coat 1 seed development 1 seed dormancy 1 seed germination 1 shading 1 temperature. 1 warming 1 weniger ...