Background invertebrate herbivory on dwarf birch (Betula glandulosa-nana complex) increases with temperature and precipitation across the tundra biome Dahkki Barrio, IC, Lindén, E, Beest, M, Olofsson, J, Rocha, A, Soininen, EM, Alatalo, JM, Andersson, T, Asmus, A, Boike, J, Bråthen, KA, Bryant, JP, Buchwal, A, Bueno, CG, Christie, KS, Denisova, YV, Egelkraut, D, Ehrich, D, Fishback, L, Forbes, BC, Gartzia, M, Grogan, P, Hallinger, M, Heijmans, MMPD, Hik, DS, Hofgaard, A, Holmgren, M, Høye, TT, Huebner, DC, Jónsdóttir, IS, Kaarlejärvi, E, Kumpula, T, Lange, CYMJG, Lange, J, Lévesque, E, Limpens, J, Macias-Fauria, M, Myers-Smith, I, van Nieukerken, EJ, Normand, S, Post, ES, Schmidt, NM, Sitters, J, Skoracka, A, Sokolov, A, Sokolova, N, Speed, JDM, Street, LE, Sundqvist, MK, Suominen, O, Tananaev, N, Tremblay, J-P, Urbanowicz, C, Uvarov, SA, Watts, D, Wilmking, M, Wookey, PA, Zimmermann, HH, Zverev, V, Kozlov, MV