Related by context. Frequent words. (Click for all words.) 53 Ecology Letters 49 sequoias 48 Zoologist 48 hotter summers 48 forest ecologist 48 Amstrup 47 giant sequoias 47 glacial retreat 46 Biogeography 46 Nepstad 46 Sinervo 46 Kaspari 45 USGS geologist 45 NCAR scientist 45 temperate regions 45 Biology Letters 45 Robock 45 Ausubel 44 Rignot 44 temperate zones 44 milder winters 44 Bonnicksen 44 Serreze 43 Fagre 43 warmer winters 43 Zachos 43 terrestrial ecosystems 43 Bilham 43 USGS scientist 43 conservation biologist 43 Botanist 43 aspen trees 43 Climatologist 42 drier summers 42 botanist 42 mid latitudes 42 Dry Valleys 42 journal Geology 42 Bark beetles 42 Smol 42 paleoanthropologist 42 ocean acidity 42 wildlife ecologist 41 tropics 41 Alpine glaciers 41 habitat fragmentation 41 Kritsky 41 hydrologic cycle 41 Pruetz 41 Ecologist 41 mountain glaciers 41 Zoltowski 41 Pellitteri 41 USGS seismologist 41 Greenland glaciers 41 Barnosky 41 Pielke 41 Hoerling 41 Naturalist 41 Younger Dryas 41 Pinus 41 aspens 41 Meehl 41 Extension entomologist 40 Dessler 40 Biesecker 40 Amazonian rainforest 40 biologist 40 glacial melt 40 waterbird 40 Entomologist 40 plant physiologist 40 Medieval Warm Period 40 Diffenbaugh 40 lupines 40 Elizabeth Kolbert 40 Ken Caldeira 40 phytoplankton blooms 40 Derocher 40 Ornithologist 40 Takle 40 Rhododendrons 40 El Niños 40 systematics 40 deglaciation 40 mass extinctions 40 grandiflora 40 poleward 40 Carsey Institute 39 lichens 39 El Nino warming 39 extinctions 39 marine ecologist 39 aquatic ecologist 39 biogeography 39 Tinetti 39 gigatonnes 39 reproduce asexually 39 atmospheric physicist 39 zoologist 39 Oklahoma Climatological Survey