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Schäfer, Deborah; Prati, Daniel; Schall, Peter; Ammer, Christian; Fischer, Markus (2019). Exclusion of large herbivores affects understorey shrub vegetation more than herb vegetation across 147 forest sites in three German regions. PLoS ONE, 14(7), e0218741. Public Library of Science 10.1371/journal.pone.0218741