Reprints can be requested via e-mail.


Clegg M., A. Wacker & E. Spijkerman. 2021. Phenotypic diversity and plasticity of photoresponse across an environmentally contrasting family of phytoflagellates.
Frontiers in Plant Science  (doi: 10.3389/fpls.2021.707541)    

Kameke D., H. Kampen, A. Wacker & D. Werner. 2021. Field studies on breeding sites of Culicoides atreille (Diptera: Ceratopogonidae) in agriculturally used and natural habitats.
Scientific Reports 11: 10007. (

Marzetz V. & A. Wacker. 2021. Evaluating the relevance of species sorting and physiological plasticity of phytoplankton communities grown in a multifactor environment.
Freshwater Biology 66(10): 1992-2003.  (

Schwarzenberger A, NH Handke, T Romer, & A Wacker. 2021. Geographic clines in Daphnia magna’s circadian clock gene expression: Local adaptation to photoperiod.
Zoology 144: 125856  (doi:10.1016/j.zool.2020.125856)  

Wacker A, & S Harzsch. 2021. "Crustaceans in a changing world"
-- Special Issue of "Zoology" guest-edited by A. Wacker & S. Harzsch --
Zoology 146: 125921 (doi:10.1016/j.zool.2021.125921


Dalpadado, P., K. R. Arrigo, G. L. van Dijken, H. R. Skjoldal, E. Bagøien, A. V. Dolgov, I. P. Prokopchuk, & E. Sperfeld. 2020. Climate effects on temporal and spatial dynamics of phytoplankton and zooplankton in the Barents Sea.
Progress in Oceanography 185: 102320 (doi:10.1016/j.pocean.2020.102320)

Eshun-Wilson F, Wolf R, Andersen T, Hessen DO, Sperfeld E. 2020. UV radiation affects antipredatory defense traits in Daphnia pulex.
Ecology & Evolution  (   (

Heinze, J., A. Wacker, & A. Kulmatiski. 2020. Plant-soil feedback effects altered by aboveground herbivory explain plant species abundance in the landscape.
Ecology 101(6): e0323 (doi: 10.1002/ECY.3023).   

Marzetz, V., E. Spijkerman, M. Striebel, & A. Wacker 2020. Phytoplankton community responses to interactions between light intensity, light variations, and phosphorus supply.
Frontiers in Environmental Science. (doi: 10.3389/fenvs.2020.539733).

Parzanini C, SM Colombo, MJ Kainz, A Wacker, CC Parrish & MT Arts. 2020. Discrimination between Freshwater and Marine Fish using Fatty Acids: Ecological Implications and Future Perspectives.
Environmental Reviews (doi: 10.1139/er-2020-0031)

Schaelicke, S., S. Heim, D. Martin-Creuzburg, & A. Wacker. 2020. Inter- and intraspecific differences in rotifer fatty acid composition during acclimation to low quality food.
Philosophical Transactions of the Royal Society B 375(1804): 20190644 (doi: 10.1098/rstb.2019.0644

Sperfeld E., Nilssen J.P., Rinehart S., Schwenk K., Hessen D.O. 2020. Ecology of predator-induced morphological defense traits in Daphnia longispina (Cladocera, Arthropoda).
Oecologia 192: 687–698 (DOI: 10.1007/s00442-019-04588-6).

Zaplata MK, Nhabanga A, Stalmans M, Volpers T, Burkart M, Sperfeld E. 2020. Grasses cope with high-contrast ecosystem conditions in the large outflow of the Banhine wetlands, Mozambique.
African Journal of Ecology  (


Heinze, J., N.K. Simons, S. Seibold, A. Wacker, G. Weithoff, M.M. Gossner, D. Prati, T.M. Bezemer, & J. Joshi. 2019. The intensity of aboveground herbivory influences the outcome of plant-soil feedbacks in the field.
Oecologia 190(3): 651–664. (doi: 10.1007/s00442-019-04442-9).

Koussoroplis, A-M., S. Schälicke, M. Raatz, M. Bach, & A. Wacker. 2019. Feeding in the frequency domain: Coarser-grained environments increase consumer sensitivity to resource variability, covariance and phase.
Ecology Letters 22(7): 1104-1114. (doi: 10.1111/ele.13267).

Koussoroplis, A-M., T. Klauschies, S. Pincebourde, D. Giron, & A. Wacker. 2019. A comment on “Variability in plant nutrients reduces insect herbivore performance”.
Rethinking Ecology 4: 79-87. (doi: 10.3897/rethinkingecology.@.32252).

Lachmann, S.C, T. Mettler-Altmann, A. Wacker, & E. Spijkerman. 2019. Nitrate or ammonium: Influences of nitrogen source on the physiology of a green alga.
Ecology and Evolution 9: 1070-1082. (doi: 10.1002/ece3.4790).

Minguez  L.*, Sperfeld  E.*,  Berger  S.A.,  Nejstgaard  J.C.,  Gessner  M.O. 2019. Changes  in  food characteristics reveal indirect effects of lake browning on zooplankton performance.
Limnology and Oceanography. (DOI: 10.1002/lno.11367). *shared first authorship

Schaelicke, S., J. Teubner, D. Martin-Creuzburg, & A. Wacker. 2019. Fitness response variation within and among consumer species can be co-mediated by food quantity and biochemical quality.
Scientific Reports 9: 16126. (doi:10.1038/s41598-019-52538-2).

Schaelicke, S., L-Y. Sobisch, D. Martin-Creuzburg, & A. Wacker. 2019. Food quantity-quality co-limitation: Interactive effects of dietary carbon and essential lipid supply on population growth of a freshwater rotifer.
Freshwater Biology 64(5): 903-912. (DOI: 10.1111/fwb.13272).

Zeis, B., I. Buchen, A. Wacker, & D. Martin-Creuzburg. 2019. Temperature-induced changes in body lipid composition affect vulnerability to oxidative stress in Daphnia magna.
Comparative Biochemistry and Physiology - Part B: Biochemistry & Molecular Biology 232: 101-107. (doi: 10.1016/j.cbpb.2019.03.008).


see article in PORTAL WISSEN - link -

Grzesiuk, M., E. Spijkerman, S. Lachmann, & A. Wacker. 2018. Environmental concentrations of pharmaceuticals directly and indirectly influence an aquatic food web. 
Ecotoxicology and Environmental Safety 156C: 271-278. (DOI: 10.1016/j.ecoenv.2018.03.019).
Free access link

Martin-Creuzburg, D., T. Massier, & A. Wacker. 2018. Sex-specific differences in essential lipid requirements of Daphnia magna.
Frontiers in Ecology and Evolution. (doi: 10.3389/fevo.2018.00089).

Raatz, M., S. Schaelicke, M. Sieber, A. Wacker, & U. Gaedke. 2018. One man's trash is another man's treasure - the effect of bacteria on phytoplankton-zooplankton interactions in chemostat systems. 
Limnology and Oceanography, Methods 16(10): 629-639 (doi: 10.1002/lom3.10269). bioRxiv - (doi:

Koussoroplis, A-M., S. Schaelicke, M. Raatz, M. Bach, & A. Wacker. Resource co-limited growth in fluctuating environments. 
BioRxiv (doi:


Marzetz, V., A-M. Koussoroplis, D. Martin-Creuzburg, M. Striebel, & A. Wacker. 2017. Linking primary producer diversity and food quality effects on herbivores: A biochemical perspective. 
Scientific Reports 7: 11035. (DOI: 10.1038/s41598-017-11183-3).

Spijkerman, E.; M. Lukas, & A. Wacker. 2017. Ecophysiological strategies for growth at varying light and organic carbon supply in two species of green microalgae differing in their motility. 
Phytochemistry 144: 43-51. (doi: 10.1016/j.phytochem.2017.08.018).

Koussoroplis, A-M., S. Pincebourde, & A. Wacker. 2017. Understanding and predicting physiological performance of organisms in fluctuating and multifactorial environments. 
Ecological Monographs 87(2): 178-197. (DOI:10.1002/ecm.1247).

Koussoroplis, A-M., A. Schwarzenberger, & A. Wacker. 2017. The diet quality determines lipase gene expression and lipase/esterase activity in Daphnia pulex
Biology Open 6: 210-216. (doi: 10.1242/bio.022046).

Colombo, S.M., A. Wacker, C.C. Parrish, M.J. Kainz, & M.T. Arts. 2017. A Fundamental Dichotomy in Long-Chain Polyunsaturated Fatty Acid Abundance between and within Marine and Terrestrial Ecosystems.   
Environmental Reviews 25(2): 163-174 . (doi: 10.1139/er-2016-0062).

Raatz, M. , Gaedke, U., & A. Wacker. 2017. High food quality of prey lowers its risk of extinction.
Oikos  126(10): 1501-1510. (doi: 10.1111/oik.03863).

Gall, A., U. Übel, U. Ebensen, H. Hillebrand, S. Meier, G. Singer, A. Wacker, & M. Striebel. 2017. Planktotrons: A highly controlled indoor mesocosm facility for aquatic biodiversity and food web research. 
Limnology and Oceanography, Methods
 15(7): 663-677. (doi: 10.1002/lom3.10196).


Koussoroplis, A-M., & A. Wacker. 2016. Covariance modulates the effect of joint temperature and food variance on ectotherm life-history traits. 
Ecology Letters 19(2): 143-152. (doi: 10.1111/ele.12546).

Sperfeld, E., Raubenheimer, D. & A. Wacker. 2016. Bridging factorial and gradient concepts of resource co-limitation: towards a general framework applied to consumers. 
Ecology Letters 19(2): 201-215 (Review and Synthesis). (doi: 10.1111/ele.12554).

Wacker, A., Piepho, M., Harwood, J.L., Guschina, I.A. & M.T. Arts. 2016. Light induced changes in fatty acid profiles of specific lipid-classes in freshwater phytoplankton.
Frontiers in Plant Science 7: 264. (doi: 10.3389/fpls.2016.00264).

Grzesiuk, M., A. Wacker, E. Spijkerman. 2016. Photosynthetic sensitivity of phytoplankton to commonly used pharmaceuticals and its dependence on cellular phosphorus status. 
Ecotoxicology 25(4): 697-707. (doi: 10.1007/s10646-016-1628-8).


Wacker, A., V. Marzetz, & E. Spijkerman. 2015. Interspecific competition in phytoplankton drives the availability of essential mineral and biochemical nutrients. 
Ecology 96(9): 2467-2477. (doi: 10.1890/14-1915.1).

Wacker, A., M. Piepho, & E. Spijkerman. 2015. Photosynthetic and fatty acid acclimation of four phytoplankton species in response to light intensity and phosphorus availability. 
European Journal of Phycology 50(3): 288-300. (doi: 10.1080/09670262.2015.1050068).

Hixson, S.M., B. Sharma, M.J. Kainz, A. Wacker, & M.T. Arts. 2015. Production, distribution and abundance of long-chain omega-3 polyunsaturated fatty acids: A fundamental dichotomy between freshwater and terrestrial ecosystems. 
Environmental Reviews 23(4): 414-424. (doi: 10.1139/er-2015-0029).

Schwarzenberger, A. & A. Wacker. 2015. Melatonin synthesis follows a daily cycle in Daphnia
Journal of Plankton Research 37(3): 636-644. (doi: 10.1093/plankt/fbv029). 

Sperfeld, E., & A. Wacker. 2015. Maternal diet of Daphnia magna affects offspring growth responses to supplementation with particular polyunsaturated fatty acids. 
Hydrobiologia 755(1): 267-282. (doi: 10.1007/s10750-015-2244-y).

Wannicke, N.; K. Frindte, G. Gust, I. Liskow, A. Wacker, A. Meyer, & H.P. Grossart. 2015. Measuring bacterial activity and community composition at high hydrostatic pressure using a novel experimental approach: A pilot study. 
FEMS Microbiology Ecology 91: fiv036. (DOI:


Lukas, M & A. Wacker. 2014. Constraints by oxygen and food quality on carbon pathway regulation:a co-limitation study with an aquatic key herbivore.
Ecology 95(11): 3068-3079. (doi: 10.1890/14-0041.1).

Schwarzenberger, A., M. Christjani, & A. Wacker. 2014. Longevity of Daphnia and the attenuation of stress responses by melatonin. 
BMC Physiology 14:8. (doi: 10.1186/s12899-014-0008-y).

Lukas, M & A. Wacker. 2014. Daphnia’s dilemma: adjustment of carbon budgets in the face of food and cholesterol limitation. 
Journal of Experimental Biology 217(7): 1079-1086. (doi: 10.1242/jeb.094151).

Lukas, M & A. Wacker. 2014. Acclimation to dietary shifts impacts the carbon budgets of Daphnia magna
Journal of Plankton Research 36(3): 848-858. (doi: 10.1093/plankt/fbu018).

Martin-Creuzburg, D; Oexle, S & A. Wacker. 2014. Thresholds for sterol-limited growth of Daphnia magna: a comparative approach using 10 different sterols. 
Journal of Chemical Ecology 40(9): 1039-1050. (doi: 10.1007/s10886-014-0486-1).


Wagner, N.D., H. Hillebrand, A. Wacker, P.C. Frost  (2013). Nutritional indicators and their uses in ecology. 
Ecology Letters 16(4): 535-544. (doi: 10.1111/ele.12067).

Lukas, M., P.C. Frost, A. Wacker  (2013). The neonate nutrition hypothesis: early feeding affects the body stoichiometry of Daphnia offspring. 
Freshwater Biology 58(11): 2333-2344. (doi: 10.1111/fwb.12213).

Hartwich, M., D. Martin-Creuzburg,  A. Wacker (2013). Seasonal changes in the accumulation of polyunsaturated fatty acids in zooplankton. 
Journal of Plankton Research 35(1): 121-134. (doi: 10.1093/plankt/fbs078).


Wacker, A. & D. Martin-Creuzburg (2012). Biochemical nutrient requirements of the rotifer Brachionus calyciflorus: co-limitation by sterols and amino acids.
Functional Ecology 26(5): 1135-1143. (DOI: 10.1111/j.1365-2435.2012.02047.x).

Spijkerman, E.; A. Wacker, G. Weithoff & T. Leya (2012). Elemental and fatty acid composition of snow algae in Arctic habitats. 
Frontiers in Microbiology 3: 380. (doi: 10.3389/fmicb.2012.00380).

Wacker, A. (2012). Co-limitation. In: 
Encyclopedia of Environmetrics. 2nd Edition. A.H. El-Shaarawi & W.W. Piegorsch (eds). John Wiley & Sons, Ltd. Chichester, United Kingdom, pp. 443-446. (doi: 10.1002/9780470057339.vnn132).

Sperfeld, E., D. Martin-Creuzburg, & A. Wacker (2012). Multiple resource limitation theory applied to herbivorous consumers: Liebig’s minimum rule versus interactive co-limitation. 
Ecology Letters 15(2): 142-150. (DOI: 10.1111/j.1461-0248.2011.01719.x).

Piepho, M., M. Arts, & A. Wacker. (2012). Species-specific variation in fatty acid concentrations of four phytoplankton species: Does phosphorus supply influence the effect of light intensity and temperature? 
Journal of Phycology 48: 64-73. (DOI: 10.1111/j.1529-8817.2011.01103.x).

Hartwich, M., D. Straile, U. Gaedke, & A. Wacker (2012). Utilisation of ciliate and phytoplankton taxonomic composition for the estimation of eicosapentaenoic acid concentration in lakes. 
Freshwater Biology 57(7): 1385-1398. (DOI: 10.1111/j.1365-2427.2012.02799.x).

Sperfeld, E., & A. Wacker (2012). Temperature affects the limitation of Daphnia magna by eicosapentaenoic acid, and the fatty acid composition of body tissue and eggs. 
Freshwater Biology 57(3): 497-508. (doi:10.1111/j.1365-2427.2011.02719.x).

Piepho, M., D.,Martin-Creuzburg, & A. Wacker. (2012). Phytoplankton sterol contents vary with temperature, phosphorus- and silicate supply: A study on three freshwater species. 
European Journal of Phycology 47(2): 138-145. (

Hartwich, M., D. Martin-Creuzburg, K-O. Rothhaupt, & A. Wacker (2012). Oligotrophication of a large, deep lake alters food quantity and quality constraints at the primary producer-consumer interface. 
Oikos 121(10): 1702-1712. (DOI 10.1111/j.1600-0706.2011.20461.x).

Martin-Creuzburg, D.; A. Wacker; C. Ziese, & M. Kainz (2012). Dietary lipid quality affects temperature-mediated reaction norms of a freshwater key herbivore. 
Oecologia 168: 901-912. (DOI 10.1007/s00442-011-2155-1).


Lukas, M., E. Sperfeld, & A. Wacker. 2011. Growth rate hypothesis does not apply across co-limiting conditions: cholesterol limitation affects phosphorus homeostasis of an aquatic herbivore. 
Functional Ecology 25(6): 1206-1214. (doi: 10.1111/j.1365-2435.2011.01876.x).

Spijkerman, E., & A. Wacker. 2011. Interactions between P-limitation, photosynthesis and different carbon conditions on the fatty acid composition of Chlamydomonas
Extremophiles 15: 597-609.  (DOI 10.1007/s00792-011-0390-3).

Sperfeld, E., & A. Wacker. 2011. Temperature and cholesterol induced changes in eicosapentaenoic acid limitation of Daphnia magna determined by a promising method to estimate growth saturation thresholds. 
Limnology & Oceanography 56(4): 1273-1284. (  


Piepho, M., D. Martin-Creuzburg, & A. Wacker. 2010. Simultaneous effects of light intensity and phosphorus supply on the sterol content of phytoplankton. 
PLoS one 5(12): e15828. (doi:10.1371/journal.pone.0015828).

Martin-Creuzburg, D., A. Wacker, & T. Basen. 2010. Interactions between limiting nutrients: Consequences for somatic and population growth of Daphnia magna
Limnology & Oceanography 55(6): 2597-2607. (doi:10.4319/lo.2010.55.6.2597).

Hartwich, M., A. Wacker, & G. Weithoff 2010. Changes in the competitive abilities of two rotifers feeding on mixotrophic flagellates. 
Journal of Plankton Research 32(12): 1727-1731. (doi:10.1093/plankt/fbq081).

Wacker, A. 2010. Careless youth? Food in the early stages of life. Chapter 14. In: G. van der Velde, S. Rajagopal & A. bij de Vaate (eds), 
The Zebra Mussel in Europe. Backhuys Publishers, Leiden/Margraf Publishers, Weikersheim. p. 159-165. (555 pp.).  (Flyer Zebra Mussel Book,  List of Authors and Content).

Wacker, A., & E. Kraffe. 2010. Fatty acid nutrition: role in reproduction and growth. Chapter 15. In: G. van der Velde, S. Rajagopal &  A. bij de Vaate  (eds), 
The Zebra Mussel in Europe. Backhuys Publishers, Leiden/Margraf  Publishers, Weikersheim. p. 167-174. (555 pp.).   (Flyer Zebra Mussel Book,  List of Authors and Content).


Sperfeld, E., & A. Wacker. 2009. Effects of temperature and dietary sterol availability on growth and cholesterol allocation of the aquatic keystone species Daphnia. 
Journal of Experimental Biology 212 (19): 3051-3059. (doi:10.1242/jeb.031401).

Martin-Creuzburg, D., E. Sperfeld, & A. Wacker. 2009. Colimitation of a freshwater herbivore by sterols and polyunsaturated fatty acids. 
Proceedings of the Royal Society of London – Series B: Biological Sciences 276 (1663): 1805–1814. (doi:10.1098/rspb.2008.1540).

Wacker, A., & G. Weithoff. 2009. Carbon assimilation mode in mixotrophs and the fatty acid composition of their rotifer consumers. 
Freshwater Biology 54 (11): 2189-2199. (doi:10.1111/j.1365-2427.2009.02251.x). 


Wacker, A. & E. von Elert. 2008. Body size and food thresholds for zero growth in Dreissena polymorpha: a mechanism underlying intraspecific competition. 
Freshwater Biology 53: 2356-2363. (doi:10.1111/j.1365-2427.2008.02051.x).

Wacker, A. 2008. Impact of parasitic mite infection on a terrestrial snail. 
Invertebrate Reproduction & Development 51(2): 69-75. (DOI: 10.1080/07924259.2008.9652257)


Weithoff, G. & A. Wacker. 2007. The mode of nutrition of mixotrophic flagellates determines the food quality for their consumers. 
Functional Ecology 21 (6): 1092-1098. (doi:10.1111/j.1365-2435.2007.01333.x).

Wacker, A. & D. Martin-Creuzburg. 2007. Allocation of essential lipids in Daphnia magna during exposure to poor food quality. 
Functional Ecology 21 (4): 738-747. (doi:10.1111/j.1365-2435.2007.01274.x).


Martin-Creuzburg, D., A. Wacker, & E. von Elert. 2005. Life history consequences of sterol availability in the aquatic keystone species Daphnia
Oecologia 144 (3): 362-372. (DOI: 10.1007/s00442-005-0090-8).

Wacker, A. 2005. Lipids in the food of a terrestrial snail. 
Invertebrate Reproduction & Development 47 (3): 205-212. (DOI: 10.1080/07924259.2005.9652161).


Wacker, A., & E. von Elert. 2004. Food quality controls egg quality of the zebra mussel Dreissena polymorpha: The role of fatty acids. 
Limnology & Oceanography 49 (5): 1794-1801. (DOI: 10.4319/lo.2004.49.5.1794 )

Wacker, A., & B. Baur. 2004. Effects of protein and calcium concentrations of artificial diets on the growth and survival of the land snail Arianta arbustorum
Invertebrate Reproduction & Development 46 (1): 47-53. (DOI: 10.1080/07924259.2004.9652605)


Wacker, A., & E. von Elert. 2003. Settlement pattern of the zebra mussel, Dreissena polymorpha, as a function of depth in Lake Constance. 
Archiv für Hydrobiologie 58 (3): 289-301. (DOI: 10.1127/0003-9136/2003/0158-0289).

Wacker, A., & E. von Elert. 2003. Food quality controls reproduction of the zebra mussel (Dreissena polymorpha). 
Oecologia 135: 332-338. (DOI: 10.1007/s00442-003-1208-5).

Wacker, A., & E. von Elert. 2003. Effects of larval food conditions on recruitment of Dreissena polymorphaIn 
Ecological studies, hazards and solutions (Vol. 6): p 49, MAX-Press, Moscow: ISBN 5-317-00657-0.


Wacker, A., & E. von Elert. 2002. Strong influences of larval diet history on subsequent post-settlement growth in the freshwater mollusc Dreissena polymorpha
Proceedings of the Royal Society of London  Series B: Biological Sciences 269 (1505): 2113-2119. (DOI: 10.1098/rspb.2002.2139).

Wacker, A., P. Becher, & E. von Elert. 2002. Food quality effects of unsaturated fatty acids on larvae of the zebra mussel Dreissena polymorpha. 
Limnology & Oceanography 47 (4): 1242-1248.(DOI: 10.4319/lo.2002.47.4.1242)

Wacker, A., & E. von Elert. 2001. Polyunsaturated fatty acids: Evidence for non-substitutable bio­chemical resources in Daphnia galeata
Ecology 82 (9): 2507-2520. (DOI:10.1890/0012-9658(2001)082[2507:PFAEFN]2.0.CO;2).

Postius, C., U. Kenter, A. Wacker, A. Ernst, & P. Böger. 1998. Light causes selection among two phycoerythrin-rich Synechococcus isolates from Lake Constance. 
FEMS Microbiology Ecology 25: 171-178. (doi:10.1111/j.1574-6941.1998.tb00470.x).