publications sorted by research fields
Hagen W., Kattner G. 2017: The role of lipids in the life history of the Antarctic silverfish Pleuragramma antarctica. p. 131-148. In: The Antarctic silverfish: a keystone species in a changing ecosystem (M. Vacchi, E. Pisano, Ghigliotti, eds.) Advances in Polar Ecology, Springer, Heidelberg, 314 pp.
Boissonat L, Niehoff B, Hagen W, Søreide J, Graeve M 2017: The role of small-sized copepods in the lipid-driven Arctic marine food web. J Plankton Res: revised
Jungblut S., Beermann J., Boos K., Saborowski R., Hagen W. 2016: Local population development and performance of the invasive crab Hemigrapsus sanguineus and its native competitor Carcinus maenas. Aquatic Invasions: in press
Koch K., Thiel M., Hagen W., Graeve M., Gómez I., Jofre D., Hofmann L.C., Tala F., Bischof K. 2016: Short- and long-term acclimation patterns of the giant kelp Macrocystis porifera (Laminariales; Phaeophyceae) along a depth gradient. J. Phycology 52: 260-273
Auel H., Hagen W. 2017: Eine virtuelle Reise durch die Weltmeere - über Energieflüsse, Nahrungswege und Anpassungspfade. In: Faszination Meeresforschung Ein ökologisches Lesebuch (G. Hempel, K. Bischof, W. Hagen, Hsgr.), 2. Auflage, Springer, Heidelberg, N.Y.
Koch K.,Thiel M., Tellier F., Hagen W., Graeve M., Tala F., Laeseke P., Bischof K. 2015: Species separation within the Lessonia nigrescens complex (Phaeophyceae, Laminariales) is mirrored by ecophysiological traits. Bot. Mar. 58: 81-92
Koch K., Thiel M., Hagen W., Graeve M., Gómez I., Jofre D., Hofmann L.C., Tala F., Bischof K. 2016: Short- and long-term acclimation patterns of the giant kelp Macrocystis porifera (Laminariales; Phaeophyceae) along a depth gradient. J. Phycology 52: 260-273
Auerswald L., Meyer B., Teschke M., Hagen W., Kawaguchi S. 2015: Physiological response of adult Antarctic krill, Euphausia superba, to long-term starvation. Polar Biol. 38: 763-780
Niehoff B., Kreibich T., Saborowski R., Hagen W. 2014: Feeding history can influence physiological responses of copepods: an experimental study comparing different cohorts of Temora longicornis from the Southern North Sea. J. Exp. Mar. Biol. Ecol. 469: 143-149
Peters J., Dutz J., Hagen W. 2013: Trophodynamics and life history traits of the calanoid copepods Temora longicornis and Acartia longiremis in the Central Baltic Sea. J. Plankton Res. 35: 595-609
Schukat A., Bode M., Auel H., Carballo R., Martin B., Koppelmann R., Hagen W. 2013: Pelagic decapods in the northern Benguela upwelling system: Distribution, ecophysiology and contribution to active carbon flux. Deep-Sea Res. I 75: 146-156
Teuber L., Schukat A., Hagen W., Auel H. 2013: Distribution and ecophysiology of calanoid copepods in relation to the oxygen minimum zone in the eastern tropical Atlantic. PLoS ONE 8 (11): doi:10.1371/journal.pone.0077590 (published on-line)
Hagen W., Kattner G. 2017: The role of lipids in the life history of the Antarctic silverfish Pleuragramma antarctica. p. 131-148. In: The Antarctic silverfish: a keystone species in a changing ecosystem (M. Vacchi, E. Pisano, Ghigliotti, eds.) Advances in Polar Ecology, Springer, Heidelberg, 314 pp.
Boissonat L, Niehoff B, Hagen W, Søreide J, Graeve M 2016: The role of small-sized copepods in the lipid-driven Arctic marine food web. J Plankton Res: revised
Jungblut S., Beermann J., Boos K., Saborowski R., Hagen W. 2016: Local population development and performance of the invasive crab Hemigrapsus sanguineus and its native competitor Carcinus maenas. Aquatic Invasions: in press
Koch K., Thiel M., Hagen W., Graeve M., Gómez I., Jofre D., Hofmann L.C., Tala F., Bischof K. 2016: Short- and long-term acclimation patterns of the giant kelp Macrocystis porifera (Laminariales; Phaeophyceae) along a depth gradient. J. Phycology 52: 260-273
Bode M., Hagen W., Schukat A., Teuber L., Fonseca-Batista D., Dehairs F., Auel H. 2016: Feeding strategies of tropical and subtropical calanoid copepods throughout the eastern Atlantic Ocean - Latitudinal and bathymetric aspects. Prog. Oceanogr. 138: 268-282
Hagen W., Kattner G. 2016: The role of lipids in the life cycle of the Antarctic silverfish Pleuragramma antarctica. Adv. Polar Res. (accepted)
Auerswald L., Meyer B., Teschke M., Hagen W., Kawaguchi S. 2015: Physiological response of adult Antarctic krill, Euphausia superba, to long-term starvation. Polar Biol. 38: 763-780
Peters J., Diekmann R., Clemmesen C., Hagen W. 2015: Lipids as a proxy for larval starvation and feeding condition in small pelagic fish - a field approach on match-mismatch effects on Baltic sprat. Mar. Ecol. Prog. Ser. 531: 277-292
Peters J., Dutz J., Hagen W. 2013: Trophodynamics and life history traits of the calanoid copepods Temora longicornis and Acartia longiremis in the Central Baltic Sea. J. Plankton Res. 35: 595-609
Bode M., Schukat A., Hagen W., Auel H. 2013: Predicting metabolic rates of calanoid copepods. J. Exp. Mar. Biol. Ecol. 444: 1-7
Schukat A., Teuber L., Hagen W., Wasmund N., Auel H. 2013: Energetics and carbon budgets of dominant calanoid copepods in the northern Benguela upwelling system. J. Exp. Mar. Biol. Ecol. 442: 1-9
Pogoda B., Buck B.H., Saborowski R., Hagen W. 2013: Biochemical and elemental composition of the offshore-cultivated oysters Ostrea edulis and Crassostrea gigas. Aquaculture 400-401: 53-60
Kattner G., Graeve M., Hagen W. 2012: Energy reserves of Southern Ocean copepods: triacylglycerols with unusually long-chain monounsaturated fatty acids. Mar. Chem. 138: 7-12
Hu M.Y., Hagen W., Jeng M.S., Saborowski R. 2012: Metabolic energy demand and food utilization of the hydrothermal vent crab Xenograpsus testudinatus (Crustacea: Brachyura). Aquatic Biol. 15: 11-25
Grote B., Ekau W., Stenevik E.K., Clemmesen C., Verheye H.M., Lipinski M.R., Hagen W. 2012: Characteristics of survivors - growth and nutritional condition of early life stages of the hake species Merluccius paradoxus and M. capensis in the southern Benguela ecosystem. ICES J. Mar. Science 69: 553-562
Kreibich T., Saborowski R., Hagen W., Niehoff B. 2011: Influence of short-term nutritional variations on digestive enzyme and fatty acid patterns of the calanoid copepod Temora longicornis. J. Exp. Mar. Biol. Ecol. 407: 182-189
Grote B., Hagen W., Lipinski M.R., Verheye H.M., Stenevik E.K., Ekau W. 2011: Lipids and fatty acids as indicators of egg condition, larval feeding and maternal effects in Cape hakes (Merluccius paradoxus and M. capensis). Mar. Biol. 158: 1005-1017
Pogoda B., Buck B.H., Hagen W. 2011: Growth performance and condition of oysters (Crassostrea gigas and Ostrea edulis) farmed in an offshore environment (North Sea, Germany). Aquaculture 319: 484-492
Brey T., Müller-Wiegmann C., Zittier Z.M.C., Hagen W. 2010: Body composition in aquatic organisms – a global data bank of relationships between mass, elemental composition and energy content. J. Sea Res. 64: 334-340
Bode M., Hagen W., Schukat A., Teuber L., Fonseca-Batista D., Dehairs F., Auel H. 2016: Feeding strategies of tropical and subtropical calanoid copepods throughout the eastern Atlantic Ocean - Latitudinal and bathymetric aspects. Prog. Oceanogr. 138: 268-282
Teuber L., Schukat A., Hagen W., Auel H. 2014: Trophic interactions and life strategies of epi- to bathypelagic calanoid copepods in the tropical Atlantic. J. Plankton Res. 36: 1109-1123
Schukat A., Auel H., Teuber L., Lahajnar N., Hagen W. 2014: Complex trophic interactions of calanoid copepods in the Benguela upwelling system. J. Sea Res. 85: 186-196
Niehoff B., Kreibich T., Saborowski R., Hagen W. 2014: Feeding history can influence physiological responses of copepods: an experimental study comparing different cohorts of Temora longicornis from the Southern North Sea. J. Exp. Mar. Biol. Ecol. 469: 143-149
Peters J., Dutz J., Hagen W. 2013: Trophodynamics and life history traits of the calanoid copepods Temora longicornis and Acartia longiremis in the Central Baltic Sea. J. Plankton Res. 35: 595-609
Wessels H., Hagen W., Wiencke C., Karsten U. 2012. On the potential of fatty acids as trophic markers in Arctic grazers: Feeding experiments with sea urchins and amphipods fed nine diets of macroalgae. Polar Biol.: 35: 555-565
Hu M.Y., Hagen W., Jeng M.S., Saborowski R. 2012: Metabolic energy demand and food utilization of the hydrothermal vent crab Xenograpsus testudinatus (Crustacea: Brachyura). Aquatic Biol. 15: 11-25
Kreibich T., Saborowski R., Hagen W., Niehoff B. 2011: Influence of short-term nutritional variations on digestive enzyme and fatty acid patterns of the calanoid copepod Temora longicornis. J. Exp. Mar. Biol. Ecol. 407: 182-189
Kruse S., Hagen W., Bathmann U. 2010: Feeding ecology and energetics of the Antarctic chaetognaths Eukrohnia hamata, E. bathypelagica and E. bathyantarctica. Mar. Biol. 157: 2289-2303
Grote B., Hagen W., Lipinski M.R., Verheye H.M., Stenevik E.K., Ekau W. 2011: Lipids and fatty acids as indicators of egg condition, larval feeding and maternal effects in Cape hakes (Merluccius paradoxus and M. capensis). Mar. Biol. 158: 1005-1017
Kreibich T., Hagen W., Saborowski R. 2010: Food utilization of two sympatric crustaceans from Greenland Sea waters: Meganyctiphanes norvegica (Euphausiacea) and Hymenodora glacialis (Decapoda, Caridea). Mar. Ecol. Prog. Ser. 413: 105-115
von Harbou L., Dubischar C.D., Pakhomov E.A., Hunt B.P.V., Hagen W., Bathmann U. 2011: Salps in the Lazarev Sea, Southern Ocean: I. Feeding dynamics. Mar. Biol. 158: 2009-2026
Boissonat L, Niehoff B, Hagen W, Søreide J, Graeve M 2016: The role of small-sized copepods in the lipid-driven Arctic marine food web. J Plankton Res: revised
Schukat A., Teuber L., Hagen W., Wasmund N., Auel H. 2013: Energetics and carbon budgets of dominant calanoid copepods in the northern Benguela upwelling system. J. Exp. Mar. Biol. Ecol. 442: 1-9
Schukat A., Bode M., Auel H., Carballo R., Martin B., Koppelmann R., Hagen W. 2013: Pelagic decapods in the northern Benguela upwelling system: Distribution, ecophysiology and contribution to active carbon flux. Deep-Sea Res. I 75: 146-156
Hillebrand H., Brey T., Gutt J., Hagen W., Metfies K., Meyer B., Lewandowska A. 2016: Climate change: warming impacts on marine biodiversity. In: Handbook on Marine Environmental Protection (Salomon M., Markus T., eds.), (accepted)
Lischka S., Hagen W. 2016: Seasonal dynamics of mesozooplankton in the Arctic Kongsfjord (Svalbard) during year-round observations from August 1998 to July 1999. Polar Biol: in press
Nachtsheim D., Jerosch K., Hagen W., Plötz J., Bornemann H. 2016: Habitat modelling of crabeater seals (Lobodon carcinophaga) in the Weddell Sea using the multivariate approach Maxent. Polar Biol: in press
Thomisch K., Boebel O., Clark C.C., Hagen W., Spiesecke S., Zitterbart D.P., Van Opzeeland I. 2016: Spatio-temporal patterns in acoustic presence and distribution of Antarctic blue whales Balaenoptera musculus intermedia in the Weddell Sea. Endangered Species Res 30: 239-253
Kleinertz S., Damriyasa I.M., Hagen W., Theisen S., Palm H. 2014: An environmental assessment of the parasite fauna of the reef-associated grouper Epinephelus areolatus from Indonesian waters. J. Helminthology 88: 50-63
Buck B.H., Brueggemann J., Hundt M., Bischoff A.A., Hagen W. 2015: Improving nematode culture techniques and their effects on amino acid profile with considerations on production costs. J. Appl. Ichthyol. 31: 1-9
Bode M., Auel H., Kreiner A., van der Plas A., Louw D., Horaeb R., Hagen W. 2014: Spatio-temporal variability of copepod abundance along the 20° S monitoring transect in the northern Benguela Upwelling System from 2005 to 2011. PLoS ONE 9 (5): e97738
Tiedemann M., Kloppmann M., Ulleweit J., Gröger J.P., Hagen W. 2014: A spatial analysis of larval fish assemblages of the Celtic Sea: implications of bathymetry and ocean warming. Mar. Biol. Res. 10: 482-493
Teuber L., Schukat A., Hagen W., Auel H. 2013: Distribution and ecophysiology of calanoid copepods in relation to the oxygen minimum zone in the eastern tropical Atlantic. PLoS ONE 8 (11): doi:10.1371/journal.pone.0077590 (published on-line)
Grote B., Stenevik E.K., Ekau W, Verheye H.M., Lipinski M.R., Hagen W. 2012: Spawning strategies and transport of early stages of the two Cape hake species, Merluccius paradoxus and M. capensis, in the southern Benguela upwelling system. Afr. J. Mar. Sci. 34: 195-204
Piepenburg, D., Werner, I., Auel, H., Peter, H.-U. (2011) Der Rückgang des polaren Meereises und seine ökologischen Auswirkungen. In: Lozan, J. L., Graßl H., Karbe L., Reise, K. (eds.) Warnsignal Klima: Die Meere – Änderungen & Risiken. Verlag Wissenschaftliche Auswertungen.
Pogoda B., Jungblut S., Buck B.H., Hagen W. 2012: Infestations of parasitic copepods in oysters and mussels: differences between nearshore wild banks and an offshore cultivation site in the German Bight. J. Applied Ichthyol. 28: 756-765
Ramp C., Hagen W., Palsbøll P.J., Berube M., Sears R. 2010: Age-related multi-year associations in female humpback whales (Megaptera novaeangliae) in the Gulf of St. Lawrence, Canada. Behavioral Ecol. Sociobiol. 64: 1563-1576
Ramp C., Palsbøll P.J., Berube M., Hagen W., Sears R. 2010: Sex-specific survival in the humpback whale Megaptera novaeangliae in the Gulf of St. Lawrence, Canada. Mar. Ecol. Prog. Ser. 400: 267-276