Publications
2013
Strobel, S., Roswag, A., Becker, N.I., Trenczek, T. & Encarnação, J.A. (2013) Insectivorous bats digest chitin in the stomach using acidic mammalian chitinase. Plos One 8(9):e72770.
Roswag A., Becker, N.I., & Encarnação, J.A. (accepted, 2013) Factors influencing stable nitrogen isotope ratios in wing membranes of insectivorous bat species: A field study. Mammalian Biology.
Becker, N.I., Encarnação, J.A., Tschapka, M. & Kalko, E.K.V. (2013) Balancing the energy budget in free ranging male Myotis daubentonii bats. Physiological and Biochemical Zoology 86(3):361-369.
Becker, N.I., Encarnação, J.A., Tschapka, M. & Kalko, E.K.V. (2013) Energetics and life-history of bats in comparison to small mammals. Ecological Research 28:249-258.
Baulechner, D., Becker, N.I., & Encarnação, J.A. (2013) Host specificity in spinturnicid mites: do parasites share a long evolutionary history with their host?. Journal of Zoological Systematics and Evolutionary Research 51(3):203-212.
Encarnação, J.A., Herzog, S., Eickmann, M., Becker, N.I., Hermes, N., & Herden, C. (2013) Landscape features and reservoir occurrence affecting the risk for equine infection with Borna disease virus. Journal of Wildlife Diseases 49(4):860-868.
Otto, M.S., Becker, N.I. & Encarnação, J.A. (2013) Cool gleaners: Thermoregulation in sympatric bat species. Mammalian Biology 78:212-215.
2012
Becker, N.I., Encarnação, J.A., Kalko, E.K.V. & Tschapka, M. (2012) The effects of reproductive state on digestive efficiency in three sympatric bat species of the same guild. Comparative Biochemistry and Physiology: Part A: Molecular & Integrative Physiology 162:386-390.
Becker, N.I., & Encarnação, J.A. (2012) Cost-effectiveness of habitat-suitability maps using low-detailed data for elusive bat species. European Journal of Wildlife Research 58:945-953.
Encarnação, J.A., Baulechner D. & Becker, N.I. (2012) Seasonal variations of wing mite infestations in male Daubenton’s bats (Myotis daubentonii) in comparison to female and juvenile bats. Acta Chiropteriologica 14(1):153-159.
Encarnação, J.A., Otto, M.S. & Becker, N.I. (2012) Thermoregulation in male temperate bats depends on habitat characteristics. Journal of Thermal Biology 37:564–569.
Encarnação, J. A., Nöding, J., Reiners, T. E. & Becker, N. I. (2012): Ehrenamtlich erhobene Daten verbessern hessenweite Verbreitungsmodelle der FFH-relevanten Haselmaus (Muscardinus avellanarius). Natur und Landschaft 87 (5): 208-214.
Roswag A., Becker, N.I. & Encarnação, J.A. (2012) Inter- and intraspecific comparisons of retention time in insectivorous bat species (Vespertilionidae). Journal of Zoology 288:85-92.
2011
Rothenwöhrer, C., Becker, N.I. & Tschapka, M. (2011). Resource landscape and spatio-temporal activity patterns of a plant-visiting bat in a Costa Rican lowland rainforest. Journal of Zoology, 283(2), 108-116.
Roswag, A., Becker, N.I., Mühlbach, E. & Encarnação, J.A. (2011) Mangelerscheinungen bei Fledermaus-Pfleglingen und vorsorgliche Gegenmaßnahmen. Nyctalus 16(4), 239-245.
2010
Becker, N.I., Rothenwöhrer, C. & Tschapka, M. (2010). Dynamic feeding habits: efficiency of frugivory in a nectarivorous bat. Canadian Journal of Zoology, 88(8), 764-773.
Encarnação, J.A., Becker, N.I. & Ekschmitt, K. (2010). When do Daubenton’s bats (Myotis daubentonii) fly far for dinner? Canadian Journal of Zoology, 88, 1192-1201.
Conferences
2013
Oral Contributions
Herbsttagung des Arbeitskreises Fledermäuse Sachsen-Anhalt e.V.
- A. Roswag, N.I. Becker, J.A. Encarnação: Ernährungsökologische Nischendifferenzierung sympatrischer Fledermäuse
- S. Strobel, A. Roswag., N.I. Becker, T.E. Trenczek, Encarnação, J.A. Fledermäuse und ihre Beute – Wie werden Insekten verdaut?
16th International Bat Research Conference & 43rd North American Symposium on Bat Research, San Jose, Costa Rica
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Shifts in physiological and behavioral mechanisms let bats balance the need to feed and the urge to breed.
- S. Strobel, A. Roswag, N.I. Becker, T.E. Trenczek, J.A. Encarnação: Intraspecific differences in immunocompetence of European bats.
- A. Roswag, N.I. Becker, J.A. Encarnação: Niche differentiation of sympatric gleaning bat species.
- M.S. Otto, N.I. Becker, J.A. Encarnação: Thermoregulation during pregnancy in temperate forest-dwelling bats.
9th Internationale Conference on Behavior, Physiology & Genetic of Wildlife, Berlin
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Balancing the need to feed and the urge to breed.
- M.S. Otto, N.I. Becker, J.A. Encarnação: Thermoregulation during pregnancy in temperate forest-dwelling bats.
Herbsttagung des Arbeitskreises Fledermäuse Sachsen-Anhalt e.V.
- S. Strobel, A. Roswag, N.I. Becker, T.E. Trenczek, J.A. Encarnação: Fledermäuse und ihre Beute – Wie werden Insekten verdaut?
- A. Roswag, N.I. Becker, J.A. Encarnação: Ernährungsökologische Nischendifferenzierung sympatrischer Fledermäuse.
Treffen der Fledermausforscher in Deutschland, Rottenburg-Ergenzingen
- S. Strobel, A. Roswag, N.I. Becker, T.E. Trenczek, J.A. Encarnação: Chitin digestion in the stomach of European vespertilionid bat species.
- A. Roswag, N.I. Becker, J.A. Encarnação: Factors influencing the stable nitrogen isotope ratios in insectivorous bat species.
Poster
16th International Bat Research Conference & 43rd North American Symposium on Bat Research, San Jose, Costa Rica
- J.A. Encarnação, N.I. Becker: How about the conflict between wind turbines in temperate forests and strict forest-dwelling bats?
9th Internationale Conference on Behavior, Physiology & Genetic of Wildlife, Berlin
- A. Roswag, N.I. Becker, J.A. Encarnação: Factors influencing the stable nitrogen ratios in wing membrane samples of insectivorous bat species: a field study.
- S. Strobel, A. Roswag, N.I. Becker, T.E. Trenczek, J.A. Encarnação: Insectivorous bats digest chitin in the stomach using acidic mammalian chitinase.
Treffen der Fledermausforscher in Deutschland, Rottenburg-Ergenzingen
- N.I. Becker, J.A. Encarnação: Cost-effectiveness of habitat-suitability maps for Myotis bechsteinii.
- A. Perino, N.I. Becker, S. Rossel, J.A. Encarnação: Habitat choice of forest dwelling gleaners M. bechsteinii, M. nattereri and P. auritus.
- M.S. Otto, N.I. Becker, J.A. Encarnação: Roost characteristics influence thermoregulation of forest-dwelling bat species.
- J.A. Encarnação, M.S. Otto, N.I. Becker: Thermoregulation in temperate bats depends on the habitat.
3rd international Berlin bat meeting: Bats in the Anthropocene
- D. Baulechner, N.I. Becker, J.A. Encarnação: Host specificity in spinturnicid mites: recent origin and frequent transmission between bat hosts suggests adaptive radiation of host-specific parasite species.
- N.I. Becker, M. Tschapka, E.K.V. Kalko, J.A. Encarnação: Changes in regulation of the energy budget in free ranging male bats.
- M.S. Otto, N.I. Becker, J.A. Encarnação: Cool gleaners: thermoregulation in sympatric bat species.
- A. Perino, N.I. Becker, J.A. Encarnação: Factors influencing habitat choice in temperate gleaning bats.
- A. Roswag, N.I. Becker, J.A. Encarnação: Factors influencing intra-specific the stable nitrogen isotope ratio of temperate bats.
- S. Strobel, A. Roswag, N.I. Becker, T.E. Trenczek, J.A. Encarnação: Acidic mammalian chitinase in the gastrointestinal tract of insectivorous bat species.
2012
Invited Talk
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Energetics of three sympatric gleaning bat species. Universität Bern, Schweiz.
2011
Oral Contributions
Treffen der Fledermausforscher in Deutschland, Loccum
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Energieaufnahme und -ausgabe bei Gleanern.
Fledermäuse und ihre Nahrung: Beute – Jagd – Habitat, Roßla
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Energetische Grundlagen für einen effektiven Habitatschutz / Relevance of movement ecology and energetics for bat conservation.
- A. Roswag, N.I. Becker, J.A. Encarnação: Art- und geschlechtsspezifische Darmdurchgangszeiten bei mitteleuropäischen Fledermäusen.
104th annual conference of the German Zoological Association, Saarbrücken
- D. Baulechner, N.I. Becker, J.A. Encarnação: Coevolution of wing mites and their bat hosts- codivergence or adaptive radiation?
- J.A. Encarnação, D. Baulechner, N.I. Becker: Seasonal, sex- and age-specific host-parasite relationship between bats and ectoparasites.
Poster
8th International Conference on Behaviour, Physiology and Genetics of Wildlife, Berlin
- N.I. Becker, M. Tschapka, E.K.V. Kalko, J.A. Encarnação: Energy compensation in males of a temperate insectivorous bat species: if not torpor what then?
12th European Bat Research Symposium, Vilnius, Litauen
- N.I. Becker, M. Tschapka, E.K.V. Kalko, J.A. Encarnação: Energy compensation in males of a temperate insectivorous bat species: if not torpor what then?
- J.A. Encarnação, N.I. Becker, M.S. Otto: Waste not, want not Thermoregulation in male Daubenton’s bats in relation to spermatogenic activity and habitat.
10. Fachtagung der BAG-Fledermausschutz im NABU, Benediktbeuern
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Three peas in a pod? Energetics of three sympatric gleaning species.
- Roswag, N.I. Becker, J.A. Encarnação: Sex-related differences of mean retention time of Common Pipistrelle bats.
- Roswag, N.I. Becker, J.A. Encarnação: Verdauungsphysiologie europäischer Gleaner.
- M.S. Otto, N.I. Becker, J.A. Encarnação: Waste not, want not Thermoregulation in male Daubenton’s bats in relation to spermatogenic activity and roost altitude.
- T.E. Reiners, N.I. Becker, J.A. Encarnação: Verbreitung der Bechsteinfledermaus in Hessen Ergebnisse einer GIS-gestützten Habitatanalyse und Modellierung.
Populationsökologie und Habitatansprüche der Bechsteinfledermaus, Bad Nauheim
- A. Roswag, N.I. Becker, J.A. Encarnação: Verdauungsphysiologie europäischer Gleaner.
- T.E. Reiners, N.I. Becker, J.A. Encarnação: Verbreitung der Bechsteinfledermaus in Hessen -Ergebnisse einer GIS-gestützten Habitatanalyse und Modellierung.
Treffen der Fledermausforscher in Deutschland, Loccum
- A. Roswag, N.I. Becker, J.A. Encarnação: Sex-related differences of mean retention time of Common Pipistrelle bats .
- M.S. Otto, N.I. Becker, J.A. Encarnação: Waste not, Want not - Thermoregulation in male Daubenton's bats.
85th Annual Meeting of the German Society of Mammalogy, Luxemburg, Luxemburg
- J.A. Encarnação, M. Tschapka, E.K.V. Kalko, N.I. Becker: Energy compensation in males of a temperate insectivorous bat species: if not torpor what then?
- J.A. Encarnação, N.I. Becker, M.S. Otto: Waste not, want not Thermoregulation in male Daubenton’s bats in relation to spermatogenic activity and habitat.
2010
Oral Contributions
40th Anniversary Conference; Gesellschaft für Ökologie, Gießen
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Relevance of movement ecology and energetics for bat conservation.
15th International bat research conference, Prag, Tschechische Republik
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Three peas in a pod? Energetics of three sympatric gleaning bats.
17. Hessischer Faunistentag, Wetzlar
- N.I. Becker, J.A. Encarnação: Hauptsache Wasser? Verteilung jagender Wasserfledermäuse über ihre Nahrungsräume.
Poster
15th International bat research conference, Prag, Tschechische Republik
- N.I. Becker, E.K.V. Kalko, J.A. Encarnação: Basal metabolic rates of male Myotis daubentonii in relation to microclimate, habitat location and group size.
- J.A. Encarnação, N.I. Becker, K. Ekschmitt: Why do bats fly far for dinner?
84th Annual Meeting of the German Society of Mammalogy, Berlin
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Three peas in a pod? Energetics of three sympatric gleaning bats.
- J.A. Encarnação, N.I. Becker, K. Ekschmitt: Why do bats fly far for dinner?
40th Anniversary Conference; Gesellschaft für Ökologie, Gießen
- N.I. Becker, J.A. Encarnação, M. Tschapka, E.K.V. Kalko: Three peas in a pod? Energetics of three sympatric gleaning bats.
- A. Roswag, N.I. Becker, J.A. Encarnação: Retention times of the gastrointestinal tract of Central European bats.
- M. Krafft, N.I. Becker, E.K.V. Kalko, J.A. Encarnação: Basal metabolic rates of male Myotis daubentonii in relation to microclimate, habitat location and group size.
- M.S. Otto, N.I. Becker, J.A. Encarnação: Waste not. Want not - Thermoregulation in male Daubenton's bats.
103th annual conference of the German Zoological Association, Hamburg
- M.S. Otto, N.I. Becker, J.A. Encarnação: Waste not, want not - Thermoregulation in male Daubenton’s bats in relation to spermatogenic activity and roost altitude.
2009
Poster
Treffen der Fledermausforscher in Deutschland, Frauenchiemsee
- J.A. Encarnação, N.I. Becker: Do mating roosts of Daubenton’s bats (Myotis daubentonii) exist at summer sites?
2007
Oral Contributions
20th Anniversary Meeting of the Society for Tropical Ecology, Bonn
- N.I. Becker, C. Rothenwöhrer, M. Tschapka: Economy of frugivory in a nectar-feeding bat.
- C. Rothenwöhrer, N.I. Becker, M. Tschapka: Habitat use and activity of the nectarivorous bat Glossophaga commissarisi (Phyllostomidae: Glossophaginae).
Treffen der Fledermausforscher in Deutschland, Berlin
- N.I. Becker, C. Rothenwöhrer, M. Tschapka: Economy of frugivory in a nectar-feeding bat.
- C. Rothenwöhrer, N.I. Becker, M. Tschapka: Habitat use and activity of the nectarivorous bat Glossophaga commissarisi (Phyllostomidae: Glossophaginae).
Poster
14. International bat conference / 37. North American symposium on bat research, Merida, Mexiko
- N.I. Becker, C. Rothenwöhrer, M. Tschapka: Frugivory in a nectar feeding bat.
- C. Rothenwöhrer, N.I. Becker, M. Tschapka: Habitat use and activity of the nectarivorous bat Glossophaga commissarisi (Phyllostomidae: Glossophaginae).
Print Media
- Eta Green - Das B2B Magazin für smarte Energien: N.I. Becker, J.A. Encarnação (2013). Energie ist Leben.
- Hamburger Abendblatt: N.I. Becker (2013). Wie orientieren sich Fledermäuse?