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Rasmus Ejrnæs

Seniorforsker

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Rasmus Ejrnæs

Seniorforsker

  • Institut for Bioscience - Biodiversitet
Postaddresse:
Grenåvej 14
8416, K106
8410
Rønde
Danmark

E-mail: rasmus@bios.au.dk

Mobil: +4520205829

Telefon: +4587158853

Publikationer

Valdez, J, Brunbjerg, AK, Fløjgaard, C, Dalby, L, Clausen, KK, Pärtel, M, Pfeifer, N, Hollaus, M, Wimmer, MH, Ejrnæs, R & Moeslund, JE 2021, 'Relationships between macro-fungal dark diversity and habitat parameters using LiDAR', Fungal Ecology. https://doi.org/10.1101/2020.07.02.185553
Brunbjerg, AK, Bruun, HH, Dalby, L, Classen, AT, Fløjgaard, C, Frøslev, TG, Hansen, OLP, Høye, TT, Moeslund, JE, Svenning, J-C & Ejrnæs, R 2020, 'Multi-taxon inventory reveals highly consistent biodiversity responses to ecospace variation', Oikos, bind 129, nr. 9, s. 1381-1392. https://doi.org/10.1111/oik.07145
Fløjgaard, C, Valdez, JW, Dalby, L, Moeslund, JE, Clausen, KK, Ejrnæs, R, Partel, M & Brunbjerg, AK 2020, 'Dark diversity reveals importance of biotic resources and competition for plant diversity across habitats', Ecology and Evolution, bind 10, nr. 12, s. 6078-6088. https://doi.org/10.1101/685040, https://doi.org/10.1002/ece3.6351
Johansen, PH, Ejrnæs, R, Kronvang, B, Olsen, JV, Præstholm, S, Schou, JS & Johansen, SK 2020, 'Exploring the interdisciplinary potential of the Agenda2030—Interactions between five Danish societal demands for sustainable land use', Land Use Policy, bind 94, 104501. https://doi.org/10.1016/j.landusepol.2020.104501
Pedersen, PBM, Ejrnæs, R, Sandel, B & Svenning, JC 2020, 'Trophic Rewilding Advancement in Anthropogenically Impacted Landscapes (TRAAIL): A framework to link conventional conservation management and rewilding', AMBIO, bind 49, nr. 1, s. 231-244. https://doi.org/10.1007/s13280-019-01192-z
Bruun, HH, Brunbjerg, AK, Dalby, L, Fløjgaard, C, Frøslev, TG, Haarder, S, Heilmann-Clausen, J, Høye, TT, Læssøe, T & Ejrnæs, R 2020, 'Simple attributes predict the importance of plants as hosts to the richness of fungi and arthropods', bioRxiv. https://doi.org/10.1101/2020.04.17.046292
Brunbjerg, AK, Bruun, HH, Brøndum, L, Classen, AT, Dalby, L, Fog, K, Frøslev, TG, Goldberg, I, Hansen, AJ, Hansen, MDD, Høye, TT, Illum, AA, Læssøe, T, Newman, G, Skipper, L, Søchting, U & Ejrnæs, R 2019, 'A systematic survey of regional multi-taxon biodiversity: evaluating strategies and coverage', BMC Ecology, bind 19, 43. https://doi.org/10.1186/s12898-019-0260-x
Heilmann-Clausen, J, Bruun, HH, Ejrnæs, R, Frøslev, TG, Læssøe, T & Petersen, JH 2019, 'How citizen science boosted primary knowledge on fungal biodiversity in Denmark', Biological Conservation, bind 237, nr. September, s. 366-372. https://doi.org/10.1016/j.biocon.2019.07.008
Frøslev, TG, Kjøller, R, Bruun, HH, Ejrnæs, R, Hansen, AJ, Læssøe, T & Heilmann-Clausen, J 2019, 'Man against machine: Do fungal fruitbodies and eDNA give similar biodiversity assessments across broad environmental gradients?', Biological Conservation, bind 233, nr. May, s. 201-212. https://doi.org/10.1016/j.biocon.2019.02.038
Damgaard, CF, Nygaard, B, Ejrnæs, R, Bruus, M, Strandberg, B, Strandberg, MT, Timmermann, A & Ehlers, B 2019, 'Has the frequency of invasive higher plants stabilized? Results from a long-term monitoring program of Danish habitats', Applied Vegetation Science, bind 22, nr. 2, s. 292–299. https://doi.org/10.1111/avsc.12429
Bruelheide, H, Dengler, J, Jiménez-Alfaro, B, Purschke, O, Hennekens, SM, Chytrý, M, Pillar, VD, Jansen, F, Kattge, J, Sandel, B, Aubin, I, Biurrun, I, Field, R, Haider, S, Jandt, U, Lenoir, J, Peet, RK, Peyre, G, Sabatini, FM, Schmidt, M, Schrodt, F, Winter, M, Aćić, S, Agrillo, E, Alvarez, M, Ambarlı, D, Angelini, P, Apostolova, I, Arfin Khan, MAS, Arnst, E, Attorre, F, Baraloto, C, Beckmann, M, Berg, C, Bergeron, Y, Bergmeier, E, Bjorkman, AD, Bondareva, V, Borchardt, P, Botta-Dukát, Z, Boyle, B, Breen, A, Brisse, H, Byun, C, Cabido, MR, Casella, L, Cayuela, L, Černý, T, Chepinoga, V, Csiky, J, Curran, M, Ćušterevska, R, Dajić Stevanović, Z, De Bie, E, de Ruffray, P, De Sanctis, M, Dimopoulos, P, Dressler, S, Ejrnæs, R, El-Sheikh, MAERM, Enquist, B, Ewald, J, Fagúndez, J, Finckh, M, Font, X, Forey, E, Fotiadis, G, García-Mijangos, I, de Gasper, AL, Golub, V, Gutierrez, AG, Hatim, MZ, He, T, Higuchi, P, Holubová, D, Hölzel, N, Homeier, J, Indreica, A, Işık Gürsoy, D, Jansen, S, Janssen, J, Jedrzejek, B, Jiroušek, M, Jürgens, N, Kącki, Z, Kavgacı, A, Kearsley, E, Kessler, M, Knollová, I, Kolomiychuk, V, Korolyuk, A, Kozhevnikova, M, Kozub, Ł, Krstonošić, D, Kühl, H, Kühn, I, Kuzemko, A, Küzmič, F, Landucci, F, Lee, MT, Levesley, A, Li, CF, Liu, H, Lopez-Gonzalez, G, Lysenko, T, Macanović, A, Mahdavi, P, Manning, P, Marcenò, C, Martynenko, V, Mencuccini, M, Minden, V, Moeslund, JE, Moretti, M, Müller, JV, Munzinger, J, Niinemets, Ü, Nobis, M, Noroozi, J, Nowak, A, Onyshchenko, V, Overbeck, GE, Ozinga, WA, Pauchard, A, Pedashenko, H, Peñuelas, J, Pérez-Haase, A, Peterka, T, Petřík, P, Phillips, OL, Prokhorov, V, Rašomavičius, V, Revermann, R, Rodwell, J, Ruprecht, E, Rūsiņa, S, Samimi, C, Schaminée, JHJ, Schmiedel, U, Šibík, J, Šilc, U, Škvorc, Ž, Smyth, A, Sop, T, Sopotlieva, D, Sparrow, B, Stančić, Z, Svenning, JC, Swacha, G, Tang, Z, Tsiripidis, I, Turtureanu, PD, Uğurlu, E, Uogintas, D, Valachovič, M, Vanselow, KA, Vashenyak, Y, Vassilev, K, Vélez-Martin, E, Venanzoni, R, Vibrans, AC, Violle, C, Virtanen, R, von Wehrden, H, Wagner, V, Walker, DA, Wana, D, Weiher, E, Wesche, K, Whitfeld, T, Willner, W, Wiser, S, Wohlgemuth, T, Yamalov, S, Zizka, G & Zverev, A 2019, 'sPlot – A new tool for global vegetation analyses', Journal of Vegetation Science, bind 30, nr. 2, s. 161-186. https://doi.org/10.1111/jvs.12710
Bull, JW, Ejrnaes, R, Macdonald, DW, Svenning, J-C & Sandom, CJ 2019, 'Fences can support restoration in human-dominated ecosystems when rewilding with large predators', Restoration Ecology, bind 27, nr. 1, s. 198-209. https://doi.org/10.1111/rec.12830
Moeslund, JE, Zlinszky, A, Ejrnæs, R, Brunbjerg, AK, Bøcher, PK, Svenning, JC & Normand, S 2019, 'Light detection and ranging explains diversity of plants, fungi, lichens, and bryophytes across multiple habitats and large geographic extent', Ecological Applications, bind 29, nr. 5, e01907. https://doi.org/10.1002/eap.1907
Fløjgaard, C, Frøslev, TG, Brunbjerg, AK, Bruun, HH, Moeslund, JE, Hansen, AJ & Ejrnæs, R 2019, 'Predicting provenance of forensic soil samples: Linking soil to ecological habitats by metabarcoding and supervised classification', PLOS ONE, bind 14, nr. 7, e0202844. https://doi.org/10.1371/journal.pone.0202844
Jensen, PB, Ejrnæs, R & Sørensen, KW 2019, 'Preliminary status of the present encyrtid fauna in Denmark (Hymenoptera, Encyrtidae)', Entomologiske Meddelelser, bind 87, nr. 1-2, s. 55-64. <https://danbif.dk/formidlingsarkiv/links/litteratur/entomologiske-meddelelser/bind-87/Encyrtidae.pdf>
Kleyer, M, Trinogga, J, Cebrián-Piqueras, MA, Trenkamp, A, Fløjgaard, C, Ejrnæs, R, Bouma, TJ, Minden, V, Meyer, M, Mantilla-Contreras, J, Albach, DC & Blasius, B 2019, 'Trait correlation network analysis identifies biomass allocation traits and stem specific length as hub traits in herbaceous perennial plants', Journal of Ecology, bind 107, nr. 2, s. 829-842. https://doi.org/10.1111/1365-2745.13066
Brunbjerg, AK, Bruun, HH, Dalby, L, Fløjgaard, C, Frøslev, TG, Høye, TT, Goldberg, I, Læssøe, T, Hansen, MDD, Brøndum, L, Skipper, L, Fog, K & Ejrnæs, R 2018, 'Vascular plant species richness and bioindication predict multi-taxon species richness', Methods in Ecology and Evolution, bind 9, nr. 12, s. 2372-2382. https://doi.org/10.1111/2041 - 210X.13087, https://doi.org/10.1111/2041-210X.13087
Ejrnæs, R, Frøslev, TG, Høye, TT, Kjøller, R, Oddershede, A, Brunbjerg, AK, Hansen, AJ & Bruun, HH 2018, 'Uniquity: A general metric for biotic uniqueness of sites', Biological Conservation, bind 225, s. 98-105. https://doi.org/10.1016/j.biocon.2018.06.034
Graae, BJ, Vandvik, V, Armbruster, WS, Eiserhardt, WL, Svenning, JC, Hylander, K, Ehrlén, J, Speed, JDM, Klanderud, K, Bråthen, KA, Milbau, A, Opedal, ØH, Alsos, IG, Ejrnæs, R, Bruun, HH, Birks, HJB, Westergaard, KB, Birks, HH & Lenoir, J 2018, 'Stay or go - how topographic complexity influences alpine plant population and community responses to climate change', Perspectives in Plant Ecology, Evolution and Systematics, bind 30, nr. February, s. 41-50. https://doi.org/10.1016/j.ppees.2017.09.008
Fløjgaard, C, Bruun, HH, Hansen, MDD, Heilmann-Clausen, J, Svenning, J-C & Ejrnæs, R 2018, 'Are ungulates in forests concerns or key species for conservation and biodiversity? Reply to Boulanger et al. (DOI: 10.1111/gcb.13899)', Global Change Biology, bind 24, nr. 3, s. 869-871. https://doi.org/10.1111/gcb.14029
Schou, J, Olsen, JV, Johansen, P, Ejrnæs, R, Kronvang, B & Præstholm, S 2018, 'Potentialer, konflikter og synergi ved multifunktionel jordfordeling - en forskningsfaglig dialogmetode', Tidsskrift for landøkonomi, bind 204, nr. 2, s. 47-57.
Heike Johansen, P, Ejrnæs, R, Kronvang, B, Vesterlund Olsen, J, Præstholm, S & Schoud, J 2018, 'Pursuing collective impact: A novel indicator-based approach to assessment of shared measurements when planning for multifunctional land consolidation', Land Use Policy, bind 73, s. 102-114. https://doi.org/10.1016/j.landusepol.2018.01.040
Munch Johansen, O, Andersen, DK, Ejrnæs, R & Pedersen, ML 2018, 'Relations between vegetation and water level in groundwater dependent terrestrial ecosystems (GWDTEs)', Limnologica, bind 68, s. 130-141. https://doi.org/10.1016/j.limno.2017.01.010
Froslev, TG, Kjoller, R, Bruun, HH, Ejrnaes, R, Brunbjerg, AK, Pietroni, C & Hansen, AJ 2017, 'Algorithm for post-clustering curation of DNA amplicon data yields reliable biodiversity estimates', Nature Communications, bind 8, 1188. https://doi.org/10.1038/s41467-017-01312-x
Fløjgaard, C, De Barba, M, Taberlet, P & Ejrnæs, R 2017, 'Body condition, diet and ecosystem function of red deer (Cervus elaphus) in a fenced nature reserve', Global Ecology and Conservation, bind 11, s. 312-323. https://doi.org/10.1016/j.gecco.2017.07.003
Brunbjerg, AK, Høye, TT, Eskildsen, A, Nygaard, B, Damgaard, CF & Ejrnæs, R 2017, 'The collapse of marsh fritillary (Euphydryas aurinia) populations associated with declining host plant abundance', Biological Conservation, bind 211, nr. Part A, s. 117-124. https://doi.org/10.1016/j.biocon.2017.05.015
Brunbjerg, AK, Bruun, HH, Moeslund, JE, Sadler, JP, Svenning, J-C & Ejrnæs, R 2017, 'Ecospace: a unified framework for understanding variation in terrestrial biodiversity', Basic and Applied Ecology, bind 18, s. 86-94. https://doi.org/10.1016/j.baae.2016.09.002
Thers, H, Brunbjerg, AK, Læssøe, T, Ejrnæs, R, Bøcher, PK & Svenning, J-C 2017, 'Lidar-derived variables as a proxy for fungal species richness and composition in temperate Northern Europe', Remote Sensing of Environment, bind 200, s. 102-113. https://doi.org/10.1016/j.rse.2017.08.011
Ejrnæs, R, Bladt, J & Fløjgaard, C 2017, 'Rewilding som planmål i Antropocæn', Tidsskift for Kortlægning og Arealforvaltning, bind 123, nr. 45, s. 35-46. https://doi.org/10.5278/ojs.tka.v123i48.1880
Bruun, HH, Ejrnæs, R, Rahbek, C, Svenning, J-C, D.D. Hansen, M, Strandberg, B & Geldmann, J 2017, 'Topforskere: Her er fakta i debatten om bier', Altinget.dk. <https://www.altinget.dk/miljoe/artikel/topforskere-her-er-fakta-i-debatten-om-bier>
Flensted, KK, Bruun, HH, Ejrnaes, R, Eskildsen, A, Thomsen, PF & Heilmann-Clausen, J 2016, 'Red-listed species and forest continuity - A multi-taxon approach to conservation in temperate forests', Forest Ecology and Management, bind 378, s. 144-159. https://doi.org/10.1016/j.foreco.2016.07.029
Fløjgaard, C & Ejrnæs, R 2016, 'Vildere kronvildt', Habitat, bind 7, s. 18-25. <https://sites.google.com/a/zoologiskselskab.dk/dzs/home/habitat>
Brunbjerg, AK, Eiserhardt, W, Ejrnæs, R & Svenning, J-C 2016, 'Klitplantesamfund langs den jyske vestkyst og i resten af verden – om fylogeni, forstyrrelse og forvaltning', Flora & Fauna, bind 122, nr. 1+2.
Andersen, DK, Ejrnæs, R & Riis, T 2016, 'N and P addition inhibits growth of rich fen bryophytes', Journal of Bryology, bind 38, nr. 2, s. 127-137. https://doi.org/10.1080/03736687.2015.1114695
Ejrnæs, R 2016, 'Blomsterne og bierne: Den naturlige have kan blive til et godt spisekammer for vore vilde bier. Det handler om den rigtige sammensætning af blomstrende urter.', Natur & Miljø, nr. 03:2016, s. 42-43.
Svenning, J-C, Pedersen, PBM, Donlan, CJ, Ejrnæs, R, Faurby, S, Galetti, M, Hansen, DM, Sandel, BS, Sandom, CJ, Terborgh, JW & Vera, FWM 2016, 'Science for a wilder Anthropocene: Synthesis and future directions for trophic rewilding research', Proceedings of the National Academy of Sciences of the United States of America, bind 113, nr. 4, s. 898-906. https://doi.org/10.1073/pnas.1502556112
Ejrnæs, R 2016, 'Udvid havens økologiske rum: Glem det mest udbredte haveideal, som er inspireret af landbruget, og inviter I stedet nature indenfor.', Natur & Miljø, nr. 01:2016, s. 46.
Brunbjerg, AK, Bladt, J, Brink, M, Fredshavn, JR, Mikkelsen, P, Moeslund, JE, Nygaard, B, Skov, F & Ejrnæs, R 2016, 'Development and implementation of a High Nature Value (HNV) farming indicator for Denmark', Ecological Indicators, bind 61, nr. 2, s. 274-281. https://doi.org/10.1016/j.ecolind.2015.09.027
Ejrnæs, R 2016, 'Lad blomsterne erobre plænen', Natur & Miljø, nr. 02:2016, s. 46.
Ejrnæs, R 2016, 'Råddenskaben vrimler med liv', Natur & Miljø, nr. 04:2016, s. 50.
Juel, A, Groom, GB, Svenning, J-C & Ejrnaes, R 2015, 'Spatial application of Random Forest models for fine-scale coastal vegetation classification using object based analysis of aerial orthophoto and DEM data', International Journal of Applied Earth Observation and Geoinformation, bind 42, s. 106-114. https://doi.org/10.1016/j.jag.2015.05.008
Nilsson, B, Ejrnæs, R, Vinther, E, Thorling, L & Andersen, DK 2015, 'Samspillet mellem grundvand, rigkær og oversvømmelser', Vand & Jord, bind 22, nr. 3, s. 86-90.
Juel, A, Groom, GB, Svenning, J-C & Ejrnæs, R 2015, 'Spatial autocorrelation leads to over optimistic assessments of predictive accuracy in orthophoto-based habitat mapping', International Journal of Applied Earth Observation and Geoinformation, s. 106-114. https://doi.org/10.1016/j.jag.2015.05.008
Brunbjerg, AK, Bladt, J, Moeslund, JE & Ejrnæs, R 2015, 'Naturen på kort - nye værktøjer målretter indsatsen for truede arter', Aktuel Naturvidenskab, nr. 3, s. 12-15.
Brunbjerg, AK, Jørgensen, GP, Nielsen, KM, Pedersen, ML, Svenning, J-C & Ejrnæs, R 2015, 'Disturbance in dry coastal dunes in Denmark promotes diversity of plants and arthropods', Biological Conservation, bind 182, s. 243-253. https://doi.org/10.1016/j.biocon.2014.12.013
Goldberg, I, Bruun, HH & Ejrnæs, R 2015, 'Biowide: et nyt dansk biodiversitetsprojekt', URT, bind 38, nr. 2, s. 55-57.
Brunbjerg, AK, Jørgensen, GP, Nielsen, KM, Pedersen, ML, Svenning, J-C & Ejrnæs, R 2015, 'Danmarks klitnatur trues af stabilitet', Vand & Jord, bind 22, nr. 2, s. 64-68.
Wasof, S, Lenoir, J, Aarrestad, PA, Alsos, IG, Armbruster, WS, Austrheim, G, Bakkestuen, V, Birks, HJB, Bråthen, KA, Broennimann, O, Brunet, J, Bruun, HH, Dahlberg, CJ, Diekmann, M, Dullinger, S, Dynesius, M, Ejrnæs, R, Gégout, JC, Graae, BJ, Grytnes, JA, Guisan, A, Hylander, K, Jónsdóttir, IS, Kapfer, J, Klanderud, K, Luoto, M, Milbau, A, Moora, M, Nygaard, B, Odland, A, Pauli, H, Ravolainen, V, Reinhardt, S, Sandvik, SM, Schei, FH, Speed, JDM, Svenning, JC, Thuiller, W, Tveraabak, LU, Vandvik, V, Velle, LG, Virtanen, R, Vittoz, P, Willner, W, Wohlgemuth, T, Zimmermann, NE, Zobel, M & Decocq, G 2015, 'Disjunct populations of European vascular plant species keep the same climatic niches', Global Ecology and Biogeography, bind 24, nr. 12, s. 1401-1412. https://doi.org/10.1111/geb.12375
Chytrý, M, Hennekens, SM, Jiménez-Alfaro, B, Knollová, I, Dengler, J, Jansen, F, Landucci, F, Schaminée, JHJ, Aćić, S, Agrillo, E, Ambarlı, D, Angelini, P, Apostolova, I, Attorre, F, Berg, C, Bergmeier, E, Biurrun, I, Botta-Dukát, Z, Brisse, H, Campos, JA, Carlón, L, Čarni, A, Casella, L, Csiky, J, Ćušterevska, R, Stevanović, ZD, Danihelka, J, de Bie, E, de Ruffray, P, de Sanctis, M, Dickoré, WB, Dimopoulos, P, Dubyna, D, Dziuba, T, Ejrnæs, R, Ermakov, N, Ewald, J, Fanelli, G, Fernández-González, F, FitzPatrick, Ú, Font, X, García-Mijangos, I, Gavilán, RG, Golub, V, Guarino, R, Indreica, A, Haveman, R, Gürsoy, DI, Jandt, U, Janssen, JAM, Jiroušek, M, Kącki, Z, Kavgacı, A, Kleikamp, M, Kolomiychuk, V, Ćuk, MK, Krstonošić, D, Kuzemko, A, Lenoir, J, Lysenko, T, Marcenò, C, Martynenko, V, Michalcová, D, Moeslund, JE, Onyshchenko, V, Pedashenko, H, Pérez-Haase, A, Peterka, T, Prokhorov, V, Rašomavičius, V, Rodríguez-Rojo, MP, Rodwell, JS, Rogova, T, Ruprecht, E, Rūsiņa, S, Seidler, G, Šibík, J, Šilc, U, Škvorc, Ž, Sopotlieva, D, Stančić, Z, Svenning, J-C, Swacha, G, Tsiripidis, I, Turtureanu, PD, Uğurlu, E, Uogintas, D, Valachovič, M, Vashenyak, Y, Vassilev, K, Venanzoni, R, Virtanen, R, Weekes, L, Willner, W, Wohlgemuth, T & Yamalov, S 2015, 'European Vegetation Archive (EVA): an integrated database of European vegetation plots', Applied Vegetation Science, bind 19, nr. 1, s. 173-180. https://doi.org/10.1111/avsc.12191
Ejrnæs, R 2015, 'Feltnoten', Ny Jord - Tidsskrift for naturkritik, bind 1, s. 29-29.
Bruun, HH, Heilmann-Clausen, J & Ejrnæs, R 2015, 'Forests: See the trees and the wood', Nature, bind 521, s. 32-32. https://doi.org/10.1038/521032a
Ejrnæs, R & Bruun, HH 2015, 'Græsland', Natur og Museum, bind 54, nr. 2.
Ejrnæs, R 2015, 'Noget, nogen havde glemt', Ny Jord - Tidsskrift for naturkritik, bind 1, s. 23-27.
Ejrnæs, R 2015, 'Step carefully, there is an elephant in the room: human trampling as threat or treat in conservation.', Applied Vegetation Science, bind 18, nr. 3, s. 357-358. https://doi.org/10.1111/avsc.12174
Nordén, B, Dahlberg, A, Brandrud, TE, Fritz, Ö, Ejrnaes, R & Ovaskainen, O 2014, 'Effects of ecological continuity on species richness and composition in forests and woodlands: A review', Ecoscience, bind 21, nr. 1, s. 34-45. https://doi.org/10.2980/21-1-3667
Jimenez-Alfaro, B, Hajek, M, Ejrnæs, R, Rodwell, J, Pawlikowski, P, Weeda, EJ, Laitinen, J, Moen, A, Bergamini, A, Aunina, L, Sekulova, L, Tahvanainen, T, Gillet, F, Jandt, U, Dite, D, Hajkova, P, Corriol, G, Kondelin, H & Diaz, TE 2014, 'Biogeographic patterns of base-rich fen vegetation across Europe', Applied Vegetation Science, bind 17, nr. 2, s. 367-380. https://doi.org/10.1111/avsc.12065
Brunbjerg, AK, Svenning, J-C & Ejrnæs, R 2014, 'Experimental evidence for disturbance as key to the conservation of dune grassland', Biological Conservation, bind 174, s. 101-110. https://doi.org/10.1016/j.biocon.2014.04.002
Sandom, CJ, Ejrnæs, R, Hansen, MDD & Svenning, J-C 2014, 'High herbivore density associated with vegetation diversity in interglacial ecosystems', Proceedings of the National Academy of Sciences of the United States of America, bind 111, nr. 11, s. 4162–4167. https://doi.org/10.1073/pnas.1311014111
Heilmann-Clausen, J, Nygaard, B, Ejrnæs, R, Damgaard, C, Nielsen, KE & Bruun, HH 2014, 'Hvad skal der til for at sikre en gunstig bevaringsstatus i Danmarks habitatskove?', Skoven, bind 2014, nr. 3, s. 146-150.
Brunbjerg, AK, Cavender-Bares, J, Eiserhardt, WL, Ejrnæs, R, W. Aarssen, L, L. Buckley, H, Forey, E, Jansen, F, Kattge, J, Lane, C, A. Lubke, R, T. Moles, A, Laura Monserrat, A, K. Peet, R, Roncal, J, Wootton, L & Svenning, J-C 2014, 'Multi-scale phylogenetic structure in coastal dune plant communities across the globe', Journal of Plant Ecology, bind 7, nr. 2, s. 101-114. https://doi.org/10.1093/jpe/rtt069
Bregnballe, T, Amstrup, O, Holm, TE, Clausen, P, Ejrnæs, R & Fox, AD 2013, 'Skjern Enge - Kom fuglene tilbage?', Vand & Jord, bind 2013, nr. 3, s. 108-111.
Moles, AT, Peco, B, Wallis, IR, Foley, WJ, Poore, AGB, Seabloom, EW, Vesk, PA, Bisigato, AJ, Cella-Pizarro, L, Clark, CJ, Cohen, PS, Cornwell, WK, Edwards, W, Ejrnæs, R, Gonzales-Ojeda, T, Graae, BJ, Hay, G, Lumbwe, FC, Magaña-Rodríguez, B, Moore, BD, Peri, PL, Poulsen, JR, Stegen, JC, Veldtman, R, von Zeipel, H, Andrew, NR, Boulter, SL, Borer, ET, Cornelissen, J, Farji-Brener, AG, Degabriel, JL, Jurado, E, Kyhn, LA, Low, B, Mulder, CPH, Reardon-Smith, K, Rodríguez-Velázquez, J, De Fortier, A, Zheng, Z, Blendinger, PG, Enquist, BJ, Facelli, JM, Knight, T, Majer, JD, Martínez-Ramos, M, Mcquillan, P & Hui, FKC 2013, 'Correlations between physical and chemical defences in plants: Tradeoffs, syndromes, or just many different ways to skin a herbivorous cat?', New Phytologist, bind 198, nr. 1, s. 252-263. https://doi.org/10.1111/nph.12116
Andersen, DK, Nygaard, B, Fredshavn, JR & Ejrnæs, R 2013, 'Cost-effective assessment of conservation status of fens', Applied Vegetation Science, bind 16, nr. 3, s. 491-501. https://doi.org/10.1111/avsc.12020
Erik, B, Wind, P, Bruun, HH, Møller, PF, Ejrnæs, R & Svart, HE 2013, 'Hvilke planter er hjemmehørende i Danmark?', Flora og Fauna, bind 118, nr. 3/4, s. 73-96.
Damgaard, C, Ejrnæs, R & Stevens, CJ 2013, 'Intra-specific spatial aggregation in acidic grasslands: effects of acidification and nitrogen deposition on spatial patterns of plant communities', Journal of Vegetation Science, bind 24, s. 25–32. https://doi.org/10.1111/j.1654-1103.2012.01438.x
Lenoir, J, Graae, BJ, Aarrestad, PA, Alsos, IG, Armbruster, WS, Austrheim, G, Bergendorff, C, Birks, HJB, Bråthen, KA, Brunet, J, Bruun, HH, Dahlberg, CJ, Decocq, G, Diekmann, M, Dynesius, M, Ejrnaes, R, Grytnes, J-A, Hylander, K, Klanderud, K, Luoto, M, Milbau, A, Moora, M, Nygaard, B, Odland, A, Ravolainen, VT, Reinhardt, S, Sandvik, SM, Schei, FH, Speed, JDM, Tveraabak, LU, Vandvik, V, Velle, LG, Virtanen, R, Zobel, M & Svenning, J-C 2013, 'Local temperatures inferred from plant communities suggest strong spatial buffering of climate warming across Northern Europe', Global Change Biology, bind 19, nr. 5, s. 1470-1481. https://doi.org/10.1111/gcb.12129
Sandom, CJ, Dalby, L, Fløjgaard, C, Kissling, WD, Lenoir, J, Sandel, BS, Nielsen, KT, Ejrnæs, R & Svenning, J-C 2013, 'Mammal predator and prey species richness are strongly linked at macroscales', Ecology, bind 94, nr. 5, s. 1112-1122. https://doi.org/10.1890/12-1342.1
Ejrnæs, R, Wind, P, Nygaard, B, Hansen, RR & Baattrup-Pedersen, A 2013, 'Skjern Enge - en våd ørkenvandring', Vand & Jord, bind 20, nr. 3, s. 99-102.
Moeslund, JE, Arge, L, Bøcher, PK, Dalgaard, T, Ejrnæs, R, Odgaard, MV & Svenning, J-C 2013, 'Topographically controlled soil moisture drives plant diversity patterns within grasslands', Biodiversity and Conservation, bind 22, nr. 10, s. 2151-2166. https://doi.org/10.1007/s10531-013-0442-3
Brunbjerg, AK, Borchsenius, F, Eiserhardt, WL, Ejrnæs, R & Svenning, J-C 2012, 'Disturbance drives phylogenetic community structure in coastal dune vegetation', Journal of Vegetation Science, bind 23, nr. 6, s. 1082-1094. https://doi.org/10.1111/j.1654-1103.2012.01433.x
Svenning, J-C, Sandom, CJ & Ejrnæs, R 2012, 'Fremtidens natur med store dyr', Aktuel Naturvidenskab, bind 2, s. 2.
Nielsen, KE, Bak, JL, Bruus, M, Damgaard, C, Ejrnæs, R, Fredshavn, JR, Nygaard, B, Skov, F, Strandberg, B & Strandberg, MT 2012, 'NATURDATA.DK – Danish monitoring program of vegetation and chemical plant and soil data from non-forested terrestrial habitat types', Biodiversity & Ecology, bind 4, s. 375–375. https://doi.org/10.7809/b-e.00165
Baattrup-Pedersen, A, Andersen, HE, Larsen, SE, Nygaard, B & Ejrnæs, R 2012, 'Predictive modelling of protected habitats in riparian areas from catchment characteristics', Ecological Indicators, bind 18, s. 227-235. https://doi.org/10.1016/j.ecolind.2011.11.012
Brunbjerg, AK, Ejrnæs, R & Svenning, J-C 2012, 'Species sorting dominates plant metacommunity structure in coastal dunes', Acta Oecologica, bind 39, nr. 3, s. 33-42. https://doi.org/10.1016/j.actao.2011.11.002
Holm, TE, Ejrnæs, R & Nygaard, B 2011, 'Biodiversiteten falder i det danske kystlandskab', DMUNyt, bind 15, nr. 2, s. 1-4. <http://www.dmu.dk/udgivelser/dmunyt/2011/2/kyst/>
Baattrup-Pedersen, A, Ejrnæs, R, Nygaard, B & Larsen, SE 2011, 'Implementering af Vandrammedirektivet overser naturen i ådalene', Vand & Jord, bind 18. årgang, nr. 2, s. 77-80.
Damgaard, C, Nygaard, B, Nielsen, KE & Ejrnæs, R 2011, 'Measuring diversity in plant communities with mosaic spatial patterns: Danish coastal dunes', The Open Ecology Journal, bind 4, s. 10-17. https://doi.org/10.2174/1874213001104010010
Moles, AT, Wallis, IR, Foley, WJ, Warton, DI, Stegen, JC, Bisigato, AJ, Cella-Pizarro, L, Clark, CJ, Cohen, PS, Cornwell, WK, Edwards, W, Ejrnæs, R, Gonzales-Ojeda, T, Graae, BJ, Hay, G, Lumbwe, FC, Moore, BD, Peri, PL, Poulsen, JR, Veldtman, R, von Zeipel, H, Andrew, NR, Boulter, SL, Borer, ET, Campón, FF, Coll, M, Farji-Brener, AG, De Gabriel, J, Jurado, E, Kyhn, LA, Low, B, Mulder, CPH, Reardon-Smith, K, Rodríguez-Velázquez, J, Seabloom, EW, Vesk, PA, van Cauter, A, Waldram, MS, Zheng, Z, Blendinger, PG, Enquist, BJ, Facelli, JM, Knight, T, Majer, JD, Martínez-Ramos, M, Mcquillan, P & Prior, LD 2011, 'Putting plant resistance traits on the map: A test of the idea that plants are better defended at lower latitudes', New Phytologist, bind 191, nr. 3, s. 777-788. https://doi.org/10.1111/j.1469-8137.2011.03732.x
Damgaard, C, Nygaard, B, Ejrnæs, R & Kollmann, JC 2011, 'State-space modeling indicates rapid invasion of an alien shrub in coastal dunes', Journal of Coastal Research, bind 27, nr. 3, s. 595–599. https://doi.org/10.2112/JCOASTRES-D-09-00132.1
Graae, BJ, Ejrnæs, R, Lang, SI, Meineri, E, Ibarra, PT & Bruun, HH 2011, 'Strong microsite control of seedling recruitment in tundra', Oecologia, bind 166, nr. 2, s. 565-76. https://doi.org/10.1007/s00442-010-1878-8
Damgaard, C, Jensen, LS, Frohn, L, Borchsenius, F, Nielsen, KE, Ejrnæs, R & Stevens, CJ 2011, 'The effect of nitrogen deposition on the species richness of acid grasslands in Denmark: A comparison with a study performed on a European scale', Environmental Pollution, bind 159, s. 1778-1782. https://doi.org/10.1016/j.envpol.2011.04.003
Baattrup-Pedersen, A, Wiberg-Larsen, P, Astrup Kristensen, E & Ejrnæs, R 2010, 'Biodiversitet i vandløb - er tilbagegangen for vandaks standset?', Vand & Jord, bind 17, s. 103-107.
Baattrup-Pedersen, A, Ejrnæs, R, Nygaard, B & Dybkjær, JB 2010, 'Biodiversitet i ådale - status over naturen', Vand og Jord, bind 17, nr. 2, s. 73-76.
Reddersen, J & Ejrnæs, R 2010, 'Kan byen bidrage til dansk naturbeskyttelse med mere end hyggelige mejsekasser og kønne ruderatplanter', Flora og Fauna, bind 116, nr. 1-2, s. 41-47.
Auffret, AG, Meineri, E, Bruun, HH, Ejrnæs, R & Graae, BJ 2010, 'Ontogenetic niche shifts in three Vaccinium species on a sub-alpine mountain side', Plant Ecology and Diversity, bind 3, nr. 2, s. 131-139. https://doi.org/10.1080/17550874.2010.498063
Ejrnæs, R 2009, 'Det er ikke de fremmedes skyld', Groent Miljoe, bind 2009, nr. 3, s. 36.
Bruun, HH, Ejrnæs, R, Heilmann-Clausen, J, Aude, E, Skovlund Poulsen, R & Pedersen, J 2009, 'Dødt ved og gamle træer: - hvor meget og hvor mange i de danske skove', Jord og Viden, bind 17, s. 10-13.
Damgaard, C & Ejrnæs, R 2009, 'Quantification of the intra-plot correlation in plant abundance data: A possible test of the neutral theory', Ecological Complexity: An International Journal on Biocomplexity in the Environment and Theoretical Ecology, bind 6, s. 64-69. https://doi.org/10.1016/j.ecocom.2008.10.008
Ejrnæs, R 2009, 'Skovlysning - vildtager - replik', Skoven, bind 11, s. 520.
Ejrnæs, R 2009, 'Skovlysningen - Danmarks glemte naturtype', Skoven, bind 10, s. 436-438.
Graae, BJ, Ejrnæs, R, Marchand, FL, Milbau, A, Shevtsova, A, Beyens, L & Nijs, I 2009, 'The effect of an early-season short-term heat pulse on plant recruitment in the Arctic', Polar Biology, s. 1117-1126. https://doi.org/10.1007/s00300-009-0608-3
Nygaard, B & Ejrnæs, R 2009, 'The impact of hydrology and nutrients on species composition and richness: Evidence from a microcosm experiment', Wetlands, bind 29, nr. 1, s. 187-195.
Nygaard, B, Ejrnæs, R & Baattrup-Pedersen, A 2009, 'Vurdering af naturværdier i moser og enge', Vand og Jord, bind 16, nr. 2, s. 78-80.
Ejrnæs, R, Nygaard, B, Andersen, PN, Damgaard, C, Jørgensen, TB, Petersen, DLJ, Nielsen, KE, Skriver, J, Søgaard, B, Teilmann, J & Wind, P 2008, 'En status over naturens tilstand i Danmark', D M U Nyt (Online), bind 12, nr. 3. <http://www.dmu.dk/Udgivelser/DMUNyt/2008/3/naturstatus.htm>
Berthelsen, JP, Ejrnæs, R, Hald, AB, Odderskær, P, Strandberg, MT & Topping, CJ 2008, 'Fup og fakta om brak og natur', Aktuel Naturvidenskab, bind 2008, s. 32-35.
Ejrnæs, R 2008, 'Hvilken natur skal vi satse på?', Aktuel Naturvidenskab, nr. 1, s. 18-21.
Ejrnæs, R, Fredshavn, JR & Nygaard, B 2008, 'Hvordan kan vi standse tabet af biologisk mangfoldighed?', Vaekst, bind 129, nr. 2, s. 17-19.
Graae, BJ, Alsos, IG & Ejrnæs, R 2008, 'The impact of temperature regimes on development, dormancy breaking and germination of dwarf shrub seeds from arctic, alpine and boreal sites', Plant Ecology, s. online first. https://doi.org/10.1007/s11258-008-9403-4
Ejrnæs, R, Liira, J, Poulsen, RS & Nygaard, B 2008, 'When Has an Abandoned Field Become a Semi-Natural Grasslandor Heathland?', Environmental Management (New York), bind 42, nr. 4, s. 707-716. https://doi.org/10.1007/s00267-008-9183-6
Ejrnæs, R, Bruun, HH & Graae, BJ 2006, 'Community Assembly in Experimental Grasslands: Suitable Environment or Timely Arrival?', Ecology, bind 87, nr. 5, s. 1225-1233. <http://www.esajournals.org/esaonline/?request=get-abstract&issn=0012-9658&volume=087&issue=05&page=1225>
Bruun, HH & Ejrnæs, R 2006, 'Community-level birth rate: a missing link between ecology, evolution and diversity', Oikos, bind 113, nr. 1, s. 185-191.
Aude, E & Ejrnæs, R 2005, 'Bryophyte colonisation in experimental microcosms: the role of nutrients, defoliation and vascular vegetation', Oikos, bind 109, nr. 2, s. 323-330.
Nygaard, B & Ejrnæs, R 2004, 'A new approach to functional interpretation of vegetation data', Journal of Vegetation Science, bind 15, nr. 1, s. 49-56.
Aude, E, Tybirk, K, Michelsen, A, Ejrnæs, R, Hald, AB & Mark, S 2004, 'Conservation value of the herbaceous vegetation in hedgerows - does organic farming make a difference?', Biological Conservation, bind 118, nr. 4, s. 467-478.
Ejrnæs, R, Bruun, HH, Aude, E & Buchwald, E 2004, 'Developing a classifier for the habitats directive grassland types in Denmark using species lists for prediction', Applied Vegetation Science, bind 7, nr. 1, s. 71-80.
Jacobsen, AS & Ejrnæs, R 2004, 'Undersøgelse af Rynket Roses (Rosa rugosa Thunb.) invasion af kyster på Mols og Ebeltofthalvøen i Danmark', Flora og Fauna, bind 110, nr. 1, s. 13-22.
Ejrnæs, R, Hansen, DN & Aude, E 2003, 'Changing Course of Secondary Succession in Abandoned Sandy Fields', Biological Conservation, bind 109, nr. 3, s. 343-350.
Jelnes, IS, Lange, HG & Ejrnæs, R 2002, 'De danske grøftekanter gror til i kvik, tidsler og nælder', Stads og Havneingenioeren, bind 93, nr. 1, s. 38-39.
Bruun, HH & Ejrnæs, R 2002, 'Har vi forstået de lysåbne naturtyper rigtigt?', URT, bind 26, nr. 2, s. 52-58.
Ejrnæs, R, Aude, E, Nygaard, B & Münier, B 2002, 'Prediction of Habitat Quality Using Ordination and Neural Networks', Ecological Applications, bind 12, nr. 4, s. 1180-1187.
Münier, B, Nygaard, B, Ejrnæs, R & Bruun, HG 2001, 'A Biotope Landscape Model for Prediction of Semi-Natural Vegetation in Denmark', Ecological Modelling, bind 139, nr. 2-3, s. 221-233.
Ejrnæs, R & Poulsen, R 2001, 'Cryptogam-Environment Relationships in Danish Grasslands', Lindbergia, bind 26, nr. 3, s. 121-128.
Ejrnæs, R & Poulsen, R 2001, 'Trends in the Bryophyte and Lichen Flora of Danish Semi-Natural Grasslands over the Last 50 Years', Lindbergia, bind 26, nr. 3, s. 115-120.
Tybirk, K, Ejrnæs, R, Tybirk, K (red.) & Alrøe, HF (red.) 2001, 'Økologisk jordbrugs bidrag til naturbevarelse', Føjo-rapport, bind 9/2001, s. 37-54.
Ejrnæs, R 2000, 'Can we Trust Gradients Extracted by Detrended Correspondence Analysis?', Journal of Vegetation Science, bind 11, s. 565-572.
Bruun, HH & Ejrnæs, R 2000, 'Classification of Dry Grassland Vegetation in Denmark', Journal of Vegetation Science, bind 11, s. 585-596.
Ejrnæs, R & Bruun, HH 2000, 'Gradient Analysis of Dry Grassland Vegetation in Denmark', Journal of Vegetation Science, bind 11, s. 573-584.
Nygaard, B & Ejrnæs, R 2000, 'Metoder til værdisætning og overvågning af dansk natur', URT, bind 24, nr. 2, s. 89-91.
Jacobsen, A, Nielsen, AA, Ejrnæs, R & Groom, GB 2000, 'Monitoring Grasslands through Spectral Identification of Plant Communities', Canadian Journal of Remote Sensing (CD-ROM), bind 26, s. 370-383.
Ejrnæs, R & Mark, S 1997, 'Den vilde, den tamme og den uautentiske', URT, bind 21, nr. 1, s. 22-29.
Bruun, HH & Ejrnæs, R 1995, 'Beskyttede overdrev under lup', URT, bind 19, nr. 1, s. 26-31.
Ejrnæs, R & Bruun, HH 1995, 'Naturkvalitet på overdrev', URT, bind 19, nr. 4, s. 123-129.
Ejrnæs, R & Bruun, HH 1995, 'Prediction of Grassland Quality for Environmental Management', Journal of Environmental Management, bind 41, s. 171-183.

Aktiviteter

Hvilke virkemidler kan der tages i brug for at indfri målsætningen om forøget mangfoldighed: - set ud fra en biologisk synsvinkel

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Tesetalk natur

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Natura 2000-debatmøde

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Folkemødet, Danmarks politik-festival på Bornholm

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Ammoniak i landbrug og natur

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Natur & Miljø 2014

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20 maj 2014

Hvad betyder nationalparkerne for biodiversiteten?

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26 mar. 2012

Landbrugets udfordringer i forhold til natur og miljø

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Skarlagen vokshat findes!

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Naturen og menneskets forhold til den

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Biodiversitet I baghaven - sådan

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Hvordan kan vi bevare og leve med naturen på en fredelig måde?

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Pas på dyrelivet

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Naturens mangfoldighed I Lemvig kommune

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Erstatning af natur - kan vi overhovedet det?

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Hvor mangfoldig er naturen i det åbne land?

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8 apr. 20109 apr. 2010

Biodiversitet - hjemløs blandt selvoptagne nyttefreaks

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Gradienter og biologisk mangfoldighed

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Er naturen i nationalparken enestående?

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27 feb. 2009

Græsning og naturbeskyttelse i Mols Bjerge Nationalpark

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Næringsstoffer, græsning og natur

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3 feb. 2009

Agroecosystem analysis and management at farm scale: MSc i agroenvironmental management

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Natur- og Miljøklagenævnet (Ekstern organisation)

Rasmus Ejrnæs (Medlem)

20102012

Naturstyrelsen Fyn (Ekstern organisation)

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20092012

Bedømmelsesudvalg ved phd-forsvar (Ekstern organisation)

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23 sep. 2011

European Platform og Biodiversity Research Strategies (Ekstern organisation)

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1 jun. 200831 dec. 2011

Journal of Vegetation Science (Tidsskrift)

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1 jan. 2005 → …

Kursus i naturbesigtigelse for kommuner

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