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(Click for frequent words.) 70 ecologist 67 aquatic ecologist 65 geomorphologist 65 entomology professor 65 limnologist 64 paleobiologist 64 insect ecologist 64 biologist 64 atmospheric chemist 63 plant physiologist 63 marine ecologist 61 botany professor 61 wildlife ecologist 61 biogeochemist 60 paleoecologist 60 fisheries ecologist 59 evolutionary ecologist 59 wetland ecologist 59 Extension entomologist 59 climate modeler 59 USGS hydrologist 59 told environmentalresearchweb 59 forest entomologist 58 vertebrate paleontologist 58 mycologist 58 Extension Entomologist 58 biological oceanographer 58 freshwater ecologist 58 atmospheric physicist 58 paleoanthropologist 57 aquatic biologist 57 Climate Impacts Group 57 silviculturist 57 Extension horticulturist 57 avian ecologist 57 ecology 57 conservation biologist 57 entomologist 57 Climatologist 57 forest ecosystems 57 microbial ecologist 56 Geological Survey ecologist 56 paleobotanist 56 geoscientist 56 Muller Landau 56 zoologist 56 turfgrass specialist 56 wildlife biologist 56 Zoologist 56 endangered species biologist 56 geoarchaeologist 56 Cascadia Wildlands Project 55 forester 55 Entomologist 55 fisheries biologist 55 Climatic Research 55 Biologist 55 Ruth DeFries 55 NCAR scientist 55 atmospheric scientist 55 botanist 55 behavioral ecologist 55 Paleoanthropologist 54 paleoclimatologist 54 Glaciologist 54 mammalogist 54 evolutionary biologist 54 DNR biologist 54 Extension agronomist 54 geosciences professor 54 evolutionary geneticist 54 computational biologist 54 CoECRS 54 restoration ecologist 54 Planetary scientist 54 Peter Kareiva 54 Stuart Pimm 54 grassland ecosystems 54 Plant Pathologist 54 Semlitsch 54 geographer 53 LSU AgCenter horticulturist 53 Don Scavia 53 Ecologist 53 ethnobotanist 53 atmospheric sciences professor 53 veterinary epidemiologist 53 avian ecology 53 Extension Horticulturist 53 geochemist 53 Natural Resources fisheries biologist 53 palaeoanthropologist 53 zoology professor 53 climatologist 53 evolutionary anthropologist 53 molecular geneticist 53 paleobiology 53 ornithologist 53 Donald Scavia 53 postdoctoral researcher 53 Dan Herms 53 Herpetologist 53 Fisheries Biologist 52 climate modeller 52 urban forester 52 Paleontologist 52 Shepson 52 NOAA oceanographer 52 Charles Perrings 52 Botanist 52 Extension forester 52 researcher 52 Nepstad 52 wetland ecology 52 GLBRC 52 DNR fisheries biologist 52 Evolutionary biologist 52 WCS researcher 52 fishery biologist 52 soybean agronomist 52 geneticist 52 horticultural educator 52 Ivette Perfecto 51 cognitive neuroscientist 51 apiary inspector 51 Yanoviak 51 Aplet 51 rangeland ecology 51 CSIRO scientist 51 interpretive naturalist 51 Natural Resources wildlife biologist 51 limnology 51 herpetologist 51 Rod Salm 51 UW Madison postdoctoral fellow 51 biometeorology 51 coauthor 51 nongame biologist 51 ARS microbiologist 51 Extension Agronomist 51 van der Leeuw 51 ecotoxicologist 51 biological oceanography 51 Bruce Tabashnik 51 Palaeontologist 51 Mladenoff 51 ARS geneticist 51 Nature Conservancy 51 CSIRO Sustainable Ecosystems 51 scientist 51 Peter Vitousek 51 nitrogen deposition 51 Wildlife biologist 51 aquatic toxicologist 51 Steneck 51 Fisheries biologist 51 horticulturist 50 Wilcove 50 Ecology Evolution 50 agronomy professor 50 Geological Survey hydrologist 50 DFG biologist 50 Planetary Sciences seminar 50 Horticulturalist 50 ForestWatch 50 Martin Krkosek 50 marine geologist 50 Kucharik 50 Bonnicksen 50 Ornithologist 50 raptor biologist 50 Cooperative Extension Agent 50 USGS scientist 50 INSTAAR 50 paleobiologists 50 agronomy specialist 50 Sociology Professor 50 Alaska Fairbanks Cooperative Extension 50 paleontologist 50 Frelich 50 Christine Wiedinmyer 50 Applied Biodiversity 50 Natural History Survey 50 Biological Survey 50 Fryxell 50 Geophysical Sciences 50 Christoph Vogel 50 mammalogy 50 Beschta 50 Sustainable Forestry 50 Tad Pfeffer 49 teaches ornithology 49 migratory bird populations 49 doctoral candidate 49 David Wilcove 49 Wildlife Biologist 49 DellaSala 49 waterfowl biologist 49 Saleska 49 Certified Arborist 49 USGS ecologist 49 UGA Odum 49 George Wittemyer 49 anthropology professor 49 ARS entomologist 49 glaciologist 49 professor emeritus 49 grassland birds 49 USGS geologist 49 Matteo Garbelotto 49 computational chemist 49 geological sciences 49 Stratus Consulting 49 atmospheric sciences 49 associate professor emeritus 49 professor 49 Oceanographer 49 Reganold 49 mammal ecologist 49 emeritus professor 49 PRBO 49 FWC biologist 49 planetary geologist 49 DNR wildlife biologist 49 Extension educator 49 FWP biologist 49 Lead researcher 49 renowned ornithologist 49 PRBO Conservation Science 49 bio ethicist 49 parasitologist 49 Atmospheric Sciences 49 horticulturalist 49 mongabay.com 49 Nature Preserves Commission 49 Natalie Mahowald 49 Extension horticulture educator 49 SNRE 49 Gardener Guide 49 hydrologist 49 geobiologist 49 Cooperative Extension Educator 49 palaeontologist 49 Dolph Schluter 48 Rangeland Ecosystem Science 48 Atmospheric Oceanic 48 DNR Wildlife Biologist 48 Scripps Oceanography 48 Professor 48 Miguel Altieri 48 doctoral student 48 Gifford Pinchot Task Force 48 Ecology Letters 48 seedsman 48 chemical oceanographer 48 Cuhel 48 Horticulturist 48 Field Ornithologists 48 Limnology 48 geomicrobiology 48 Kutzbach 48 Oceans Flagship 48 developmental biologist 48 hydrogeologist 48 Ossipee Pine Barrens 48 Arborist 48 Guldberg 48 Inez Fung 48 Royal Botanic Gardens Kew 48 Ecology Lab 48 biodiversity 48 Evolutionary psychologist 48 Zeebe 48 Coauthor 48 vertebrate palaeontology 48 UMaine Cooperative Extension 48 Nalini Nadkarni 48 associate professor 48 AgroParisTech 48 molecular virologist 48 van Mantgem 48 NCEAS 48 glacial geology 48 oceanographer 48 BioDiversity Research Institute 48 ponderosa pine forests 48 Johannes Lehmann 48 Klamath Siskiyou 48 Stephen Palumbi 48 UC Riverside entomologist 48 taxonomist 48 marine geophysicist 48 Fourqurean 48 ethno botanist 48 marine biologist 48 Appy Sluijs 48 Mary Watzin 48 Estuarine Research 48 CU Boulder Associate Professor 48 Caspar Ammann 47 Jonathan Patz 47 microbial ecology 47 theoretical astrophysicist 47 Stephen Pacala 47 Finarelli 47 Roger Pielke 47 hydro geologist 47 agrologist 47 Kuhajda 47 behavioral geneticist 47 Lamont Doherty 47 molecular biologist 47 Boreal Songbird Initiative 47 cryptozoologist 47 Janet Sawin 47 electrochemist 47 ichthyologist 47 Leiserowitz 47 evolutionary psychologist 47 assistant professor 47 Associate Professor 47 Chris Darimont 47 maritime archaeologist 47 groundwater hydrology 47 Conservation Biology 47 molecular systematics 47 Hans von Storch 47 Extension climatologist 47 NatureServe 47 Elizabeth Hadly 47 ecologists 47 V. Ramanathan 47 Jerry Karnas 47 doctoral researcher 47 Gidon Eshel 47 CIFOR 47 PhD associate professor 47 Jianguo Liu 47 Priscu 47 Long Term Ecological 47 Ph.D. Associate Professor 47 Ph.D. Professor Emeritus 47 Ecological Restoration Institute 47 carbon sequestering 47 pollinator populations 47 Cassini interdisciplinary 47 forage agronomist 47 Biogeochemistry 47 Anthony Barnosky 47 State Climatologist 47 hydrometeorologist 47 NASA astrobiology 47 Professor Hoegh Guldberg 47 Werring 47 Ecology 47 Ecosystem Studies 47 Extension master gardener 47 Richard Prum 47 CIRES 47 Headwaters Economics 47 Xerces Society 47 Ken Caldeira 47 Invertebrate Conservation 47 curator emeritus 47 lodgepole forests 47 Ecological Economics 47 Ross Salawitch 47 Skidaway Institute 47 biostatistician 47 National Evolutionary Synthesis 47 supervising ranger 47 Conservationist 47 DNR forester 47 SHOGREN 46 Russell Ciochon 46 Dee Boersma 46 postdoctoral fellow 46 CU Boulder ecology 46 Hillenius 46 systematics 46 Invasive Plants 46 seabird biologist 46 Radeloff 46 Jake Vander Zanden 46 ecosystems 46 Steve Pedery 46 profes sor 46 conservationist 46 von Frese 46 Ecosystems 46 wolf biologist 46 Gearheard 46 Landcare Research 46 sociology professor 46 paleontology curator 46 marine geochemist 46 inorganic chemist 46 Molecular biologist 46 Landscape Ecology 46 WWF Species 46 CPAWS Wildlands League 46 Curt Stager 46 Cascadia Meteorite Laboratory 46 bioinformatician 46 DNR Biologist 46 World Agroforestry Centre 46 reed canarygrass 46 Cornell ornithology lab 46 backcountry ranger 46 Cooperative Extension entomologist 46 blister rust 46 Terborgh 46 Ecosystem Marketplace 46 L. Hunter Lovins 46 CSIRO Wealth 46 Roger Pielke Jr 46 Jonna Mazet 46 insect outbreaks 46 John Hocevar 46 Theo Colborn 46 physiologist 46 Refuge biologist 46 American Farmland Trust 46 Gene Kritsky 46 biophysicist 46 distinguished professor emeritus 46 Werner Kurz 46 Schkade 46 coldwater fisheries 46 Worldwatch 46 Tropical Biodiversity 46 palaeontologist Dr 46 Theoretical physicist 46 Kentucky Heartwood 46 forests 46 furbearer biologist 46 bioacoustics 46 Felicia Keesing 46 Caltech astronomer 46 Natural History paleontologist 46 Biological anthropologist 46 Oceanography Centre 46 bioengineering professor 46 naturalist 46 Philip Benfey 46 Van Huis 46 Hunter Lovins 46 bioengineer 46 Explainer thanks 46 Ph.D. associate professor 46 Steve Brusatte 46 bioresource 46 Agroforestry 46 JoAnn Burkholder 46 postdoctoral scientist 46 spokesman Terry Seyden 46 Hollander associate professor 46 SolveClimate News 46 Wildlife Federation 46 Vertebrate Zoology 46 Aufdenkampe 46 Andrew DeWoody 46 Volker C. Radeloff 46 Pinelands Preservation Alliance 46 Agriculture Experiment Station 46 Sandra Postel 46 Extension agronomy 45 Texas Agrilife 45 Aiguo Dai 45 Smol 45 Makiko Sato 45 Andrew Derocher 45 geophysicist 45 Horticulture Educator 45 Coastal Ecosystems 45 Widrlechner 45 Invasive Plant Council 45 freshwater ecosystems 45 electron microscopist 45 Joseph Fargione 45 Vulcanologist 45 entomology 45 predator prey relationships 45 Fargione 45 sedimentary geology 45 spruce budworm 45 Katey Walter 45 Planetary Science Division 45 Carsey Institute 45 Geological Survey geologist 45 planetary scientist 45 EarthJustice 45 Dolores Piperno 45 Larry Leistritz 45 UC Berkeley professor emeritus 45 Bond Lamberty 45 Diego Pol 45 biochemist 45 lifelong birder 45 biomedical ethicist 45 UNL Extension Educator 45 Avner Vengosh 45 Stephen Polasky 45 Michael Behrenfeld 45 Elizabeth Lonsdorf 45 Planetary Studies 45 sea turtle biologist 45 Glenn Juday 45 Travis Longcore 45 LTER 45 viticulturalist 45 forestry 45 Cranberry Growers Association 45 Geochemist 45 Georgia ForestWatch 45 Calsbeek 45 Romero Lankao 45 Evolutionary Biology 45 supervisory wildlife biologist 45 Julio Friedmann 45 Roger Bilham 45 Hamish Pritchard 45 economics professor 45 elusive ivory billed 45 carbon sequestration 45 behavioral neuroscientist 45 Volcanologist 45 Extension Educator 45 MD http:/www.mayoclinic.org/bio/#.html 45 biogeochemical cycles 45 Cooperative Extension horticulturist 45 Hochella 45 Selina Heppell 45 paleoecology 45 Sinapu 45 Medical Entomology Laboratory 45 CfA 45 Zumeta 45 NESCAUM 45 MD Ph.D. Associate Professor 45 Adam Backlin 45 Microbiologist Cynan Ellis 45 invertebrate zoology 45 Pacala 45 Weishampel 45 geomorphology 45 estuarine ecology 45 Postdoctoral researcher 45 Czech Hydrometeorological Institute 45 Naturalist 45 Monte Hummel 45 paleoclimatology 45 Herman Pontzer 45 oceanography professor 45 Landscape architect 45 UNEP WCMC 45 Bruce Wielicki 45 MD D.Phil 45 Active Tectonics 45 Rediske 45 USFWS biologist 45 Earthjustice attorney 45 Botanical Society 45 boreal forests 45 primatologist 45 FWS biologist 45 Biomimicry Guild 45 organismal biology 45 BioServe Space Technologies 45 biogeochemistry 45 supervising wildlife biologist 45 Roboticist 45 demographer 45 sequestering carbon 45 Research LTER 45 Tony Iallonardo 45 D.Phil 44 Valerius Geist 44 Raincoast Conservation 44 Weather Service hydrologist 44 interpretive ranger 44 Liz Slooten 44 Currie paleontologist 44 integrative biology 44 hemlock woolly adelgids 44 ODFW biologist 44 British Antarctic Survey 44 Natalia Rybczynski 44 quaking aspen 44 NCAR scientist Alex 44 Jake Socha 44 Andrew Balmford 44 Kharecha 44 biosystems engineering 44 Kincaid lupine 44 cotton agronomist 44 Ruckelshaus Institute 44 grasslands wetlands 44 Caribou Targhee 44 Forensic anthropologist 44 Dulvy 44 Paleoclimate 44 Rothamsted Research 44 Heckenberger 44 vulcanologist Brad 44 biological anthropologist 44 F. Baumeister 44 Distinguished Professor Emeritus 44 Justin Brashares 44 Riparian Areas 44 VDOF 44 Jill Pruetz 44 Divoky 44 Z. Jacobson 44 coral reef ecologist 44 epidemiologist 44 Mark Shieldcastle 44 Kaspari 44 Sagoff 44 aspen forests 44 Berghage 44 HHMI investigator 44 PhD tells WebMD 44 MD M.Sc. 44 Carl Woese 44 Stan Senner 44 https:/profnet.prnewswire.com/Subscriber/ExpertPrBANGKOK Thomson Financial 44 emerita professor 44 cultural anthropologist 44 budworm 44 horticulture educator 44 Ph.D. FACSM 44 Eric Steig 44 Curtis Marean 44 amphibian populations 44 Weiqing Han 44 neurobiologist 44 Chemistry colloquium 44 longleaf pine ecosystem 44 Downstream Strategies 44 Claudia Tebaldi 44 Karnosky 44 headwater stream 44 Susan Swithers 44 Faizal Parish 44 shellfish biologist 44 adjunct associate professor 44 Exotic Pest Plant 44 Gaetano Di Achille 44 Architectural Historian 44 Stephanie Pfirman 44 IIED 44 NIST physicist 44 Steve Pueppke 44 agronomist 44 Sherwin Alumina Co. 44 reintroducing wolves 44 Niles Eldredge 44 NASA Exobiology 44 Harvard biologist EO 44 Evan Eichler 44 ecoregion 44 Planetary Science Institute 44 Aquatic Biologist 44 MassDEP Commissioner 44 anthropologist 44 PhD postdoctoral fellow 44 Emerging Pathogens Institute 44 XB Yang 44 sociologist 44 Arnosti 44 FWP wildlife biologist 44 Master gardener 44 Schladow 44 viticulturist 44 Lyric Bartholomay 44 nanoscientist 44 Vitousek 44 Ph.D. 44 Greg Aplet 44 carbon dioxide sequestration 44 Hallac 44 Engelmeyer 44 Mayo Clinic neuroscientist 44 woolly adelgid 44 waterfowl biologists 44 Blandy Experimental Farm 44 Hanselka 44 Professor Emeritus 44 Gumbart 44 invertebrate zoologist 44 PNNL scientist 44 Nematology 44 Leskey 44 Conservation 44 Ubbens 44 environmentalist 44 Seismologist 44 Milford Wolpoff 44 Atmospheric Research 44 MD Ph.D. associate professor 44 Spotila 44 Neurobiologist 44 emerald ash borer larvae 44 vertebrate paleontology 44 Philip Mote 44 Amro Zayed 44 Cusanovich 44 Jonah Choiniere 44 Carbon Offset Coalition 44 Benjamin Santer 44 amateur naturalist 44 NABU 44 Satilla Riverkeeper 44 Sheldon Danziger 44 NWS hydrologist 44 Fred Kirschenmann 44 conservation 44 Interpretive Specialist 44 Daniel Nepstad 44 Ecological Analysis 44 Biohabitats 44 hybrid poplar 44 chemical oceanography 44 geologist 44 Forests 44 Maj. Gen. Ret. 44 Sonoran Institute 44 Gelobter 44 Tallgrass Prairie 44 Vanden Berghe 44 Lodgepole pine 44 UC Metabolic Diseases 44 Bette Otto Bliesner 44 Roland Burgmann 44 Zachos 44 veterinary pathobiology 44 Seth Naeve 44 University AgCenter 44 PitGuru 44 Shetlar 44 forest 44 vertebrate zoology 44 apiculturist 44 Gerta Keller 44 Wuebbles 44 canoe outfitter 44 Ethnobotany 44 Pollinator Partnership 44 Oklahoma Climatological Survey 44 Bristle thighed Curlew 44 Isabella Velicogna 44 Franklinia 43 greatest insect emergences 43 Behrenfeld 43 principal investigator 43 Walter Jetz 43 NIWA scientist 43 Geomorphology 43 Nuffield scholar 43 WDFW biologist 43 habitat fragmentation 43 Loren Rieseberg 43 NASA Heliophysics Division 43 Brendan Godley 43 Sustainability Coordinator 43 avid bird watcher 43 Apalachicola Riverkeeper 43 Shad O'Neel 43 ICRAF 43 native pollinators 43 sedimentologist 43 WildWest Institute 43 Deborah Balk 43 Doug Doerrfeld 43 Overgrazing 43 Wallace Broecker 43 Gregory Asner 43 Ornithological Society 43 Jana Vamosi 43 DEP wildlife biologist 43 Gabriele Hegerl 43 Jonathan T. Overpeck 43 Caltech postdoctoral scholar 43 Rickart 43 Sheldon Drobot 43 meadowfoam 43 Planetary Geosciences Institute 43 Geological Survey biologist 43 Assistant Professor 43 MD DPhil 43 Berkeley Seismological Laboratory 43 postdoctoral associate 43 Janisse Ray 43 University Lamont Doherty 43 Wofsy 43 cranberry grower 43 Tjeerdema chairs 43 Jan Zalasiewicz 43 reproductive biologist 43 ruminant nutritionist 43 Ph.D. postdoctoral fellow 43 Michael Dirr 43 veterinary biosciences 43 amphibian declines 43 veterinary pathologist 43 geosciences 43 Living Tongues Institute 43 Warnell School 43 hardwood forests 43 Flessa 43 Ray Hilborn 43 UNL Extension educator 43 Geisz 43 GELLERMAN 43 Diana Liverman 43 DEVIN THOMAS WR 43 Jakob Vinther 43 molecular toxicology 43 meltwater stonefly 43 Fred Grassle 43 riparian ecosystems 43 nematology 43 Graedel 43 Yeats professor emeritus 43 Beissinger 43 Prof. 43 Wick Haxton 43 Jianguo Jack 43 shortleaf pine 43 invasive species 43 Sugar maples 43 biologist Camille Parmesan 43 Kalnay 43 Genome Sequencing Center 43 Romsos 43 Buzz Holling 43 foresters 43 Adjunct professor 43 Scott Fendorf 43 Jongens 43 Tropical Meteorology Project 43 Joel Mokyr 43 ESRL 43 Crop Genetics 43 hydrologic technician 43 Oliver RW Pergams 43 Schooley infectious diseases 43 Volker Radeloff 43 Nomsen 43 DNR waterfowl biologist 43 NOAA ESRL 43 Verchot 43 Allan Tupper 43 Kurt Waltzer 43 Donald Johanson 43 FAO locust 43 Dombeck 43 linguistic anthropologist 43 AgriLife Extension economist 43 Rounsley 43 environmental 43 Storrie Lombardi 43 lepidopterist 43 Warren Uxley 43 Wildfire Mitigation Specialist 43 based Carneige Institution 43 nonnative invasive 43 psychology professor 43 Jennifer Loveland Curtze 43 Stavins 43 Rey undersecretary 43 Kalidas Shetty 43 Ian Joughin 43 linguistics professor 43 Rusz 43 Paquay 43 Louisa Degenhardt 43 Geographical Sciences 43 mutualisms 43 Ron Klataske executive 43 paleoecologist Felisa Smith 43 Mark Jaccard 43 UM Rosenstiel School 43 Worldwatch Institute 43 Epel 43 Otto Bliesner 43 J. Benkovic 43 bioeconomy 43 Dhuey 43 Oredson 43 Stephan Schuster 43 Jeff Danter 43 Fecik 43 Amasino 43 Klamath Siskiyou Wildlands 43 Ecological 43 Cynthia Rosenzweig 43 Cooperative Extension educator 43 aquatic ecosystems 43 Mittelstaedt dean 43 Baltensperger 43 CSIRO Climate 43 Neuroscientist 43 limber pine 43 Altamaha Riverkeeper 43 Redefining Progress 43 tropical forest 43 Organismal Biology 43 ecological 43 Applied Ecology 43 Thom Nikolai 43 American Littoral Society 43 GFZ German 43 Deborah Gangloff 43 marine ecology 43 ecotoxicology 43 Isaac Wirgin 43 boreal forest 43 Gerel 43 Hugh Possingham 43 Mycological Society 43 ethologist 43 agroforestry 43 Archeologist 43 sustainable forestry 43 Allergist Dr. 43 Burken 43 Chris Strebig 43 Paull wilderness 43 archaeologist 43 Shriberg 43 Angelika Brandt 43 Quentin Chiotti 43 longleaf 43 checkerspot 43 Infectious Disease Dynamics 43 Linsmeier Wurfel 43 sequesters carbon 43 Per Ahlberg 43 Geologic Survey 43 veterinary toxicologist 43 Ph.D. RD 43 WWF Greater Mekong 43 oak Quercus 43 SmartWood 43 Geological Survey volcanologist 43 Distinguished Visiting Scholar 43 BBER 43 Distinguished Professor 43 Rattenborg 43 Mathis Wackernagel 43 Wilderness Society 43 Regional Forester 42 nitrogen fixation 42 fossil vertebrates 42 Fendorf 42 kochia 42 Adrian Perrig 42 Toxics Alliance 42 DuPont Crop Genetics 42 Lewinsohn 42 Leonard Druyan 42 coauthors 42 Boisserie 42 Kanoti 42 Anne Woiwode 42 Sansing professor emeritus 42 USGS seismologist 42 journal Climatic Change 42 Hod Lipson 42 Interdisciplinary Obesity Center 42 AgriLife Extension agronomist 42 USDA ARS 42 GrassRoots Recycling Network 42 Terrestrial Magnetism 42 Matthaei Botanical Gardens 42 Forest Rohwer 42 Exercise physiologist 42 Svante Pääbo 42 Gloria DeGrandi Hoffman 42 Sandhage 42 SWCA Environmental Consultants 42 NCAR scientist Synte Peacock 42 marine archaeologist 42 Klaus Schulten 42 historians Robert Dallek 42 bioenergy 42 herpetology 42 Postdoctoral fellow 42 amateur botanist 42 Villy Christensen 42 apiarist 42 IUFRO 42 CSHL Professor 42 chestnut blight 42 AAUP chapter 42 Hoebeke 42 Biodiversity