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Geert De Knijf

 https://orcid.org/0000-0002-7958-1420

  • Herman Teirlinckgebouw, Havenlaan 88 bus 73

    1000 Brussel

    Belgium

1992 …2025

Research activity per year

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  • 2025

    One-quarter of freshwater fauna threatened with extinction

    Sayer, C. A., Fernando, E., Jimenez, R. R., Macfarlane, N. B. W., Rapacciuolo, G., Böhm, M., Brooks, T. M., Contreras-MacBeath, T., Cox, N. A., Harrison, I., Hoffmann, M., Jenkins, R., Smith, K. G., Vié, J.-C., Abbott, J. C., Allen, D. J., Allen, G. R., Barrios, V., Boudot, J.-P. & Carrizo, S. F. & 68 others, Charvet, P., Clausnitzer, V., Congiu, L., Crandall, K. A., Cumberlidge, N., Cuttelod, A., Dalton, J., Daniels, A. G., De Grave, S., De Knijf, G., Dijkstra, K.-D. B., Dow, R. A., Freyhof, J., García, N., Gessner, J., Getahun, A., Gibson, C., Gollock, M. J., Grant, M. I., Groom, A. E. R., Hammer, M. P., Hammerson, G. A., Hilton-Taylor, C., Hodgkinson, L., Holland, R. A., Jabado, R. W., Juffe Bignoli, D., Kalkman, V. J., Karimov, B. K., Kipping, J., Kottelat, M., Lalèyè, P. A., Larson, H. K., Lintermans, M., Lozano, F., Ludwig, A., Lyons, T. J., Máiz-Tomé, L., Molur, S., Ng, H. H., Numa, C., Palmer-Newton, A. F., Pike, C., Pippard, H. E., Polaz, C. N. M., Pollock, C. M., Raghavan, R., Rand, P. S., Ravelomanana, T., Reis, R. E., Rigby, C. L., Scott, J. A., Skelton, P. H., Sloat, M. R., Snoeks, J., Stiassny, M. L. J., Tan, H. H., Taniguchi, Y., Thorstad, E. B., Tognelli, M. F., Torres, A. G., Torres, Y., Tweddle, D., Watanabe, K., Westrip, J. R. S., Wright, E. G. E., Zhang, E. & Darwall, W. R. T., 8-Jan-2025, In: Nature: International Weekly Journal of Science.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

    Open Access
  • 2023

    Winners and Losers: Cordulegaster Species under the Pressure of Climate Change

    Fekete, J., De Knijf, G., Dinis, M., Padisák, J., Boda, P., Mizsei, E. & Várbíró, G., 31-Mar-2023, In: INSECTS. 14, 4

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

    Open Access
  • 2021

    Alarming decline of freshwater trigger species in western Mediterranean key biodiversity areas

    Nogueira, J. G., Sousa, R., Benaissa, H., De Knijf, G., Ferreira, S., Ghamizi, M., Goncalves, D. V., Lansdown, R., Numa, C., Prie, V., Riccardi, N., Seddon, M., Urbanska, M., Valentini, A., Vikhrev, I., Varandas, S., Teixeira, A. & Lopes-Lima, M., 6-Aug-2021, (E-pub ahead of print) In: Conservation Biology.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • Calculating population reductions of invertebrate species for IUCN Red List assessments

    Akçakaya, H. R., Hochkirch, A., Bried, J. T., van Grunsven, R. H. A., Simaika, J. P., De Knijf, G. & Henriques, S., 11-Mar-2021, (E-pub ahead of print) In: Journal of insect conservation.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • Distribution, habitat requirements, and vulnerability of Caliaeschna microstigma at the north-western edge of its range (Odonata: Aeshnidae)

    Vilenica, M., Kulijer, D., Gligorović , B., Gligorović , A. & De Knijf, G., 1-Dec-2021, (E-pub ahead of print) In: Odonatologica.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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    1691 Downloads (Pure)

  • Diversity, Status and Phenology of the Dragonflies and Damselflies of Cyprus (Insecta: Odonata)

    Sparrow, D. J., De Knijf, G. & Sparrow, R. L., 25-Oct-2021, In: Diversity. 13, 11

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2020

    The circumtropical Pantala flavescens is a regular visitor to Cyprus and reproducing on the island (Odonata: Libellulidae)

    Sparrow, D. J., De Knijf, G., Smith, M. S., Sparrow, R., Michaelides, M., Konis, D. & Siedle, K., 1-Dec-2020, In: Odonatologica. 49, 3/4, p. 289-311

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

    Open Access
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  • 2019

    Distribution trends of European dragonflies under climate change

    Termaat, T., van Strien, A. J., van Grunsven, R. H. A., De Knijf, G., Bjelke, U., Burbach, K., Conze, K.-J., Goffart, P., Hepper, D., Kalkman, V. J., Motte, G., Prins, M. D., Prunier, F., Sparrow, D., van den Top, G. G., Vanappelghem, C., Winterholler, M. & WallisDeVries, M. F., Jun-2019, In: Diversity and Distributions. 25, 6, p. 936-950

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • Make EU trade with Brazil sustainable

    Kehoe, L., Reis, T., Virah-Sawmy, M., Balmford, A., Kuemmerle, T., Knohl, A., Antonelli, A., Balmford, A., Hochkirch, A., Vira, B., Massa, B., Peres, C. A., Ammer, C., Goerg, C., Schneider, C., Curtis, D., de la Pena, E., Tello, E., Sperfeld, E. & Corbera, E. & 584 others, Morelli, F., Valladares, F., Peterson, G., Hide, G., Mace, G., Kallis, G., Olsson, G. A., Brumelis, G., Alexanderson, H., Haberl, H., Nuissl, H., Kreft, H., Ghazoul, J., Piotrowski, J. A., Macdiarmid, J., Newig, J., Fischer, J., Altringham, J., Gledhill, J., Nielsen, J. O., Mueller, J., Palmeirim, J., Barlow, J., Alonso, J. C., Presa Asencio, J. J., Steinberger, J. K., Jones, J. P. G., Cabral, J. S., Dengler, J., Stibral, K., Erb, K., Rothhaupt, K.-O., Wiegand, K., Cassar, L. F., Lens, L., Rosalino, L. M., Wassen, M. J., Stenseke, M., Fischer-Kowalski, M., Diaz, M., Rounsevell, M., van Kleunen, M., Junginger, M., Kaltenpoth, M., Zobel, M., Weigend, M., Partel, M., Schilthuizen, M., Bastos Araujo, M., Haklay, M., Eisenhauer, N., Selva, N., Mertz, O., Meyfroidt, P., Borges, P. A. V., Kovar, P., Smith, P., Verburg, P., Pysek, P., Seppelt, R., Valentini, R., Whittaker, R. J., Henrique Faria, S., Ulgiati, S., Loetters, S., Bjorck, S., Larson, S. A., Tscharntke, T., Domingos, T., Krueger, T., Kuemmerle, T., Pascual, U., Olsson, U., Kati, V., Winiwarter, V., Reyes-Garcia, V., Vajda, V., Sutherland, W. J., de Waroux, Y. L. P., Buckley, Y., Rammig, A., Kasimir, A., Crona, B., Sindicic, M., Persson, M., Lapka, M., Di Gregorio, M., Hahn, T., Boonstra, W., Lipsky, Z., Zucaro, A., Roeder, A., Lopez Baucells, A., Danet, A., Franco, A., Nieto Roman, A., Lehikoinen, A., Collalti, A., Keller, A., Strugariu, A., Perrigo, A., Fernandez-Llamazares, A., Salaseviciene, A., Hinsley, A., Santos, A. M. C., Novoa, A., Rodrigues, A., Mascarenhas, A., Martins, A. D., Holzschuh, A., Meseguer, A. S., Hadjichambis, A., Mayer, A., Hacket-Pain, A., Ringsmuth, A., de Frutos, A., Stein, A., Heikkinen, A., Smith, A., Bjoersne, A.-K., Bagneres, A.-G., Machordom, A., Kristin, A., Ghoddousi, A., Staal, A., Martin, A., Taylor, A., Borrell, A., Marescaux, A., Torres, A., Helm, A., Bauer, B., Smetschka, B., Rodriguez-Labajos, B., Peco, B., Gambin, B., Celine, B., Phalan, B., Cotta, B., Rugani, B., Jarcuska, B., Leroy, B., Nikolov, B. P., Milchev, B. P., Brown, C., Ritter, C. D., Gomes, C. B., Meyer, C., Munteanu, C., Penone, C., Friis, C., Teplitsky, C., Roemer, C., Orland, C., Voigt, C. C., Levers, C., Zang, C., Bacon, C. D., Meyer, C., Wordley, C., Grilo, C., Cattaneo, C., Battisti, C., Banks-Leite, C., Zurell, D., Challender, D., Mueller, D., Matenaar, D., Silvestro, D., McKay, D. A., Buckley, D., Frantz, D., Gremillet, D., Mateos, D. M., Sanchez-Fernandez, D., Vieites, D., Ascoli, D., Arlt, D., Louis, D., Zemp, D. C., Strubbe, D., Gil, D., Llusia, D., Bennett, D. J., Chobanov, D. P., Aguilera, E., Oliveira, E., Pynegar, E. L., Granda, E., Grieco, E., Conrad, E., Revilla, E., Lindkvist, E., Caprio, E., zu Ermgassen, E., Berenguer, E., Ochu, E., Polaina, E., Nuernberger, F., Esculier, F., de Castro, F., Albanito, F., Langerwisch, F., Batsleer, F., Ascensao, F., Moyano, F. E., Sayol, F., Buzzetti, F. M., Eiro, F., Volaire, F., Gollnow, F., Menzel, F., Pilo, F., Moreira, F., Briens, F., Essl, F., Vlahos, G., Billen, G., Vacchiano, G., Wong, G., Gruychev, G. V., Fandos, G., Petter, G., Sinare, H., Mumby, H. S., Cottyn, H., Seebens, H., Bjorklund, H., Schroeder, H., Lopez Hernandez, H. D., Rebelo, H., Chenet, H., De la Riva, I., Torre, I., Aalders, I., Grass, I., Chuine, I., Goepel, J., Wieringa, J. J., Engler, J. O., Pergl, J., Schnitzler, J., Vavra, J., Medvedovic, J., Cabello, J., Martin, J.-L., Mutke, J., Lewis, J., da Silva, J. F., Marull, J., Carvalho, J., Carnicer, J., Enqvist, J., Simaika, J. P., Noguera, J. C., Blanco Moreno, J. M., Bruna, J., Garnier, J., Fargallo, J. A., Rocha, J. C., Carrillo, J. D., Infante-Amate, J., Traba Diaz, J., Schleicher, J., Simon, J., Noe, J. L., Gerlach, J., Eriksson, K. M., Prince, K., Ostapowicz, K., Stajerova, K., Farrell, K. N., Snell, K., Yates, K., Fleischer, K., Darras, K., Schumacher, K., Orach, K., Thonicke, K., Riede, K., Heller, K.-G., Wang-Erlandsson, L., Kehoe, L., Pereira, L., Riggi, L., Florez, L. V., Emperaire, L., Durieux, L., Tatin, L., Rozylowicz, L., Latella, L., Andresen, L. C., Cahen-Fourot, L., de Agua, L. B., Boto, L., Lassaletta, L., Amo, L., Sekerka, L., Morales, M. B., Macia, M. J., Suarez, M. G., Cabeza, M., Londo, M., Pollet, M., Schwieder, M., Peters, M. K., D'Amico, M., Casazza, M., Florencio, M., Felipe-Lucia, M., Gebara, M. F., Johansson, M., Garcia, M. M., Piquer-Rodriguez, M., Tengo, M., Elias, M., Leve, M., Conde, M., Winter, M., Koster, M., Mayer, M., Salek, M., Schlerf, M., Sullivan, M., Baumann, M., Pichler, M., Marselle, M., Oddie, M., Razanajatovo, M., Borregaard, M. K., Theurl, M. C., Hernandez, M., Krofel, M., Kechev, M. O., Clark, M., Rands, M., Antal, M., Pucetaite, M., Islar, M., Truong, M.-X. A., Vighi, M., Johanisova, N., Prat, N., Escobar, N., Deguines, N., Rust, N., Zafra-Calvo, N., Maurel, N., Wagner, N., Fitton, N., Ostermann, O., Panferov, O., Ange, O., Canals, O., Englund, O., De Smedt, P., Petridis, P., Heikkurinen, P., Weigelt, P., Henriksson, P. J. G., de Castro, P. D., Matos-Maravi, P., Duran, P., Aragon, P., Cardoso, P., Leitao, P. J., Hosner, P. A., Biedermann, P., Keil, P., Petrik, P., Martin, P., Bocquillon, P., Renaud, P.-C., Addison, P., Antwis, R., Carmenta, R., Barrientos, R., Smith, R., Rocha, R., Fuchs, R., Felix, R., Kanka, R., Aguilee, R., Padro Caminal, R., Libbrecht, R., Lorrilliere, R., van der Ent, R. J., Henders, S., Pueyo, S., Roturier, S., Jacobs, S., Lavorel, S., Leonhardt, S. D., Fraixedas, S., Villen-Perez, S., Cornell, S., Redlich, S., De Smedt, S., van der Linden, S., Perez-Ortega, S., Petrovan, S., Cesarz, S., Sjoberg, S., Caillon, S., Schindler, S., Trogisch, S., Taiti, S., Oppel, S., Lutter, S., Garnett, T., Guedes, T., Wanger, T. C., Kastner, T., Worthington, T., Daw, T., Schmoll, T., McPhearson, T., Engl, T., Rutting, T., Vaclavik, T., Jucker, T., Robillard, T., Krause, T., Ljubomirov, T., Aavik, T., Richardson, V. A., Masterson, V. A., Seufert, V., Cathy, V. G., Colino Rabanal, V., Montade, V., Thieu, V., Sober, V., Morin, X., Mehrabi, Z., Gonzalez, A. T., Sanz-Cobena, A., Christie, A. P., Romero-Munoz, A., Dauriach, A., Queiroz, A. S., Golland, A., Evans, A. L., Cordero, A. M. A., Dara, A., Rilovic, A., Pedersen, A. F., Csergo, A. M., Lewerentz, A., Monserand, A., Valdecasas, A. G., Doherty, A., Semper-Pascual, A., Bleyhl, B., Rutschmann, B., Bongalov, B., Hankerson, B., Heylen, B., Alonso-Alvarez, C., Comandulli, C., Frossard, C. M., Mckeon, C., Godde, C., Palm, C., Singh, C., Sieger, C. S., Ohrling, C., Paitan, C. P., Cooper, C., Edler, D., Roessler, D. C., Kessner-Beierlein, D., Garcia del Amo, D., Lopez Bosch, D., Gueldner, D., Noll, D., Motivans, E., Canteri, E., Garnett, E., Malecore, E., Brambach, F., Ruedenauer, F., Yin, F., Hurtado, F., Mempel, F., de Freitas, F. L. M., Pendrill, F., Leijten, F., Somma, F., Schug, F., De Knijf, G., Peterson, G., Pe'er, G., Booth, H., Rhee, H., Staude, I., Gherghel, I., Vila Traver, J., Kerner, J., Hinton, J., Hortal, J., Persson, J., Uddling, J., Coenen, J., Geldmann, J., Geschke, J., Juergensen, J., Lobo, J. M., Skejo, J., Heinen, J. H., Schuenzel, J., Daniel-Ferreira, J., Christophe Piquet, J., Murtough, K. L., Prevel, L., Hissa, L. B. V., af Segerstad, L. H., Willemse, L., Benavides, L., Sovova, L., Figueiredo, L., Leidinger, L., Piemontese, L., da Fonte, L. F. M., Moreta, L. S., Bhan, M., Toledo-Hernandez, M., Engert, M., Davoli, M., Mas Navarro, M., Voigt, M., Zirion, M., Wandl, M.-T., Kipson, M., Johnson, M. D., Lukic, M., Goula, M., Jung, M., Nunes, M. H., Alvarez, M. R., van den Burg, M. P., Guerrero, M. D. P., Greenfield, M., Lobmann, M., Nygren, M., Guth, M. K., Koh, N., Stanek, N., Roux, N., Karagouni, N., Tiralla, N., Mairota, P., Savaget, P., von Doehren, P., Benyei, P., Lena, P., Rufin, P., Janke, R., Santagata, R., Motta, R., Battiston, R., Oyanedel, R., Bernardo-Madrid, R., Vasconcelos, S., Henriques, S., Bager, S. L., Qin, S., Ivkovic, S., Cooke, S., Ernst, S., Schmelzer, S., da Silva, S., Faberova, T., Enseroth, T., De Marzo, T., Pienkowski, T., Engel, T., Boehnert, T., Swinfield, T., Kurdikova, V., Chvatalova, V., Lopez-Marquez, V., Arlidge, W. & Zhang, Z., 26-Apr-2019, In: Science (Washington). 364, 6438, p. 341-342 2 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

  • 2018

    Diversity and conservation of European dragonflies and damselflies (Odonata)

    Kalkman, V. J., Boudot, J.-P., Bernard, R., De Knijf, G., Suhling, F. & Termaat, T., 18-Jan-2018, In: Hydrobiologia.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2017

    Odonata surveys 2010–2016 in the United Arab Emirates and the Sultanate of Oman, with emphasis on some regional heritage species

    Lambret, P., Boudot, J.-P., Chelmick, D., De Knijf, G., Durand, E., Judas, J. & Stoquert, A., 1-Dec-2017, In: Odonatologica. 46, 3/4, p. 153-205

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2016

    Distribution, ecology and status of a threatened species Ischnura intermedia (Insecta: Odonata), new for Europe

    De Knijf, G., Sparrow, D. J., Dimitriou, A. C., Kent, R., Kent, H., Siedle, K., Lewis, J. & Crossley, L., 15-Dec-2016, In: International journal of odonatology. 19, 4, p. 257-274 18 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2015

    A first report of introduced non-native damselfly species (Zygoptera, Coenagrionidae) for Belgium

    Adriaens, T. & De Knijf, G., Jan-2015, In: BELGIAN JOURNAL OF ZOOLOGY. 145, 1, p. 76-80 5 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • Contribution to the knowledge of the Moroccan Odoanta, with first records of Orthetrum sabina, and an overview of first and last dates for all species

    El Haissoufi, M., De Knijf, G., van 't Bosch, J., Bennas, N. & Millan Sanchez, A., 1-Dec-2015, In: Odonatologica. 44, 3, p. 225-254 30 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • Genetic signature of the colonization dynamics along a coastal expansion front in the damselfly Coenagrion scitulum (Zygoptera: Coenagrionidae)

    Swaegers, J., Mergeay, J., St-Martin, A., De Knijf, G., Larmuseau, M. & Stoks, R., Aug-2015, In: Ecological Entomology. 40, 4, p. 353-361

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2013

    Occupancy modelling as a new approach to assess supranational trends using opportunistic data: A pilot study for the damselfly Calopteryx splendens

    van Strien, A. A. J., Termaat, T., Kalkman, V., Prins, M., De Knijf, G., Gourmand, A.-L., Houard, X., Nelson, B., Plate, C., Prentice, S., Regan, E., Smallshire, D., Vanappelghem, C. & Vanreusel, W., 2013, In: Biodiversity and Conservation. 22, 3, p. 673–686

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • Odonata from Montenegro, with notes on taxonomy, regional diversity and conservation

    De Knijf, G., Vanappelghem, C. & Demolder, H., 31-Mar-2013, In: Odonatologica. 29 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • Review of the Odonata of Bosnia and Herzegovina

    Kulijer, D., De Knijf, G. & Franković, M., 2013, In: Odonatologica. 42, 2, p. 109-123

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2011

    The status of two boreo-alpine species, Somatochlora alpestris and S. arctica, in Romania and their vulnerability to the impact of climate change (Odonata: Corduliidae)

    De Knijf, G., Flenker, U., Vanappelghem, C., Manci, C. O., Kalkmane, V. J. & Demolder, H., 2011, In: International journal of odonatology. 14, 2, p. 111-126 16 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2010

    Predicted insect diversity declines under climate change in an already impoverished region

    Maes, D., Titeux, N., Hortal, J., Anselin, A., Decleer, K., De Knijf, G., Fichefet, V. & Luoto, M., 2010, In: Journal of insect conservation. 14, 5, p. 485-498 14 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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  • 2005

    Species richness coincidence: Conservation strategies based on predictive modelling

    Maes, D., Bauwens, D., De Bruyn, L., Anselin, A., Vermeersch, G., Van Landuyt, W., De Knijf, G. & Gilbert, M., 2005, In: Biodiversity and Conservation. 14, 6, p. 1345-1364 20 p.

    Research output: Contribution to journal › A1: Web of Science-article › peer-review

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