Dr. Stephen Wickham
2022
Wickham SA, Wenta P, Sinner A, Weiss R (2022) Microzooplankton grazing and community composition in a high-productivity marine ecosystem. J Plankton Res 44: 414-426
Körner C, Berninger U-G, Daim A, Eberl R, Fernández Mendoza F, Füreder L, Grube M, Hainzer E, Kaiser T, Meyer E, Newesely C, Niedrist G, Niedrist GH, Petermann JS, Seeber J, Tappeiner U, Wickham SA (2022) Long-term monitoring of high-elevation terrestrial and aquatic ecosystems in the Alps–a five-year synthesis. Journal on Protected Mountain Areas Research and Management 14: 48-69
2021
Bartels A, Berninger U-G, Hohenberger F, Wickham S, Petermann JS (2021) Littoral macroinvertebrate communities of alpine lakes along an elevational gradient (Hohe Tauern National Park, Austria). PLoS ONE 16: e0255619
2020
Körner C, Tappeiner U, Newesely C, Wittmann H, Eberl T, Kaiser R, Meyer E, Grube M, Fernández Mendoza F, Füreder L, Niedrist GH, Daim A, Lieb G, Kellerer-Pirklbauer A, Wickham SA, Petermann JS, Berninger U-G (2020) Langzeitmonitoring von Ökosystemprozessen Synthese der Startphase 2016-2018
Di Carvalho JA, Wickham SA (2020) Does spatiotemporal nutrient variation allow more species to coexist? Oecologia 194: 695-707
2019
Wickham SA, Wimmer R (2019) Does Mixotrophy in ciliates compensate for poor-quality prey? Experiments with heterotrophic–mixotrophic species pairs. J Plankton Res 41: 583-593
Wickham SA, Petermann JS, Berninger U-G (2019) Langzeitmonitoring von Ökosystemprozessen im Nationalpark Hohe Tauern. Modul 08: Zooplanktongemeinschaften und abiotische Parameter hochalpiner Seen. Verlag der Österreichischen Akademie der Wissenschaften
Wickham SA, Petermann JS, Berninger U-G (2019) Langzeitmonitoring von Ökosystemprozessen im Nationalpark Hohe Tauern. Modul 08: Zooplanktongemeinschaften und abiotische Parameter hochalpiner Seen. Methoden-Handbuch. Verlag der Österreichischen Akademie der Wissenschaften
Limberger R, Pitt A, Hahn MW, Wickham SA (2019) Spatial insurance in multi‐trophic metacommunities. Ecol Lett 22: 1828-1837
di Carvalho JA, Wickham SA (2019) Simulating eutrophication in a metacommunity landscape: an aquatic model ecosystem. Oecologia 189: 461-474
2016
Lischke B, Weithoff G, Wickham SA, Attermeyer K, Grossart H-P, Scharnweber K, Hilt S, Gaedke U (2016) Large biomass of small feeders: ciliates may dominate herbivory in eutrophic lakes. J Plankton Res 38: 2-15
2015
Wickham SA, Claessens M, Post AF (2015) Ciliates, microbes and nutrients: interactions in the seasonally mixed Gulf of Aqaba. J Plankton Res 37: 258-271
Dunthorn M, Lipps JH, Dolan JR, Saab MA-A, Aescht E, Bachy C, de Cao MSB, Berger H, Bourland WA, Choi JK, Clamp J, Doherty M, Gao F, Gentekaki E, Gong J, Hu X, Huang J, Kamiyama T, Johnson MD, Kammerlander B, Kim SY, Kim Y-O, la Terza A, Laval-Peuto M, Lipscomb D, Lobban CS, Long H, Luporini P, Lynn DH, Macek M, Mansergh RI, Martín-Cereceda M, McManus GG, Montagnes DJS, Ong’ondo GO, Patterson DJ, Pérez-Uz B, Quintela-Alonso P, Safi LSL, Santoferrara LF, Sonntag B, Song W, Stoeck T, Stoecker DK, Strüder-Kypke MC, Trautmann I, Utz LRP, Vallesi A, Vd’ačný P, Warren A, Weisse T, Wickham SA, Yi Z, Zhang W, Zhan Z, Zufall R, Agatha S (2015) Ciliates — Protists with complex morphologies and ambiguous early fossil record. Mar Micropaleontol 119: 1-6
2014
Lei Y-L, Stumm K, Wickham SA, Berninger U-G (2014) Distributions and Biomass of Benthic Ciliates, Foraminifera and Amoeboid Protists in Marine, Brackish, and Freshwater Sediments. J Eukaryot Microbiol 61: 493-508
2013
Hingsamer P, Striebel M, Stockenreiter M, Ptacnikova R, Ptacnik R, Wickham SA (2013) Interaction of productivity and disturbance in a marine ciliate community: a mesocosm study. Aquat Microb Ecol 70: 141-155
2012
Limberger R, Wickham SA (2012) Transitory versus persistent effects of connectivity in environmentally homogeneous metacommunities. PLoS ONE 7: e44555
Limberger R, Wickham SA (2012) Disturbance and diversity at two spatial scales. Oecologia 168: 785-795
2011
Wickham SA, Steinmair U, Kamennaya N (2011) Ciliate distributions and forcing factors in the Amundsen and Bellingshausen Seas (Antarctic). Aquat Microb Ecol 62: 215-230
Limberger R, Wickham SA (2011) Predator dispersal determines the effect of connectivity on prey diversity. PLoS One 6: e29071
Limberger R, Wickham S (2011) Competition–colonization trade-offs in a ciliate model community. Oecologia 167: 723-732
2010
Lei Y, Stumm K, Volkenborn N, Wickham SA, Berninger U-G (2010) Impact of Arenicola marina (Polychaeta) on the microbial assemblages and meiobenthos in a marine intertidal flat. Mar Biol 157: 1271-1282
Claessens M, Wickham SA, Post AF, Reuter M (2010) A paradox of the ciliates? High ciliate diversity in a resource-poor environment. Mar Biol 157: 483-494
Burgmer T, Reiss J, Wickham SA, Hillebrand H (2010) Effects of snail grazers and light on the benthic microbial food web in periphyton communities. Aquat Microb Ecol 61: 163-178
2009 – 2005
Lei Y, Xu K, Choi JK, Hong HP, Wickham SA (2009) Community structure and seasonal dynamics of planktonic ciliates along a salinity gradient. Eur J Protistol 45: 305-310
Wickham SA, Gugenberger E (2008) Evaluating inducible morphological defences in the common freshwater ciliate, Coleps hirtus. J Plankton Res 30: 1315-1321
Rossberg M, Wickham SA (2008) Ciliate vertical distribution and diel vertical migration in a eutrophic lake. Fundamental and Applied Limnology / Archiv für Hydrobiologie 171: 1-14
Claessens M, Wickham SA, Post AF, Reuter M (2008) Ciliate community in the oligotrophic Gulf of Aqaba, Red Sea. Aquat Microb Ecol 53: 181-190
Wickham SA, Berninger UG (2007) Krill larvae, copepods and the microbial food web: interactions during the Antarctic fall. Aquat Microb Ecol 46: 1-13
Berninger U-G, Wickham SA (2005) Response of the microbial food web to manipulation of nutrients and grazers in the oligotrophic Gulf of Aqaba and northern Red Sea. Mar Biol 147: 1017-1032
2004 – 2000
Wickham SA, Nagel S, Hillebrand H (2004) Control of epibenthic ciliate communities by grazers and nutrients. Aquat Microb Ecol 35: 153-162
Gaedke U, Wickham SA (2004) Ciliate dynamics in response to changing biotic and abiotic conditions in a large, deep lake (Lake Constance). Aquat Microb Ecol 34: 247-261
Garstecki T, Wickham SA (2003) The response of benthic rhizopods to experimental sediment disturbance does not support the intermediate disturbance hypothesis. Oikos 103: 528-531
Sommer U, Berninger UG, Böttger-Schnack R, Cornils A, Hagen W, Hansen T, Al-Najjar T, Post AF, Schnack-Schiel SB, Stibor H, Stübing D, Wickham S (2002) Grazing during early spring in the Gulf of Aqaba and the Northern Red Sea. Mar Ecol Prog Ser 239: 251-261
Scherwass A, Wickham SA, Arndt H (2002) Determination of the abundance of ciliates in highly turbid running waters – an improved method tested for the River Rhine. Arch Hydrobiol 156: 135-143
Hillebrand H, Kahlert M, Karlsson A-L, Berninger U-G, Nagel S, Wickham SA (2002) Control of microbenthic communities by grazing and resource supply. Ecol 83: 2205-2219
Garstecki T, Wickham SA, Arndt H (2002) Effects of Experimental Sediment Resuspension on a Coastal Planktonic Microbial Food Web. Estuar Cstl Shelf Sci 55: 751-762
Garstecki T, Wickham SA (2001) Effect of resuspension and mixing on population dynamics and trophic interactions in a model benthic microbial food web. Aquat Microb Ecol 25: 281-292
Adrian R, Wickham SA, Butler NM (2001) Trophic interactions between zooplankton and the microbial community in contrasting food webs: the epilimnion and deep chlorophyll maximum of a mesotrophic lake. Aquat Microb Ecol 24: 83-97
Wickham SA, Gieseke A, Berninger U-G (2000) Benthic ciliate identification and enumeration: an improved methodology and its application. Aquat Microb Ecol 22: 79-91
Garstecki T, Verhoeven R, Wickham SA, Arndt H (2000) Benthic-pelagic coupling: a comparison of the community structure of benthic and planktonic heterotrophic protists in shallow inlets of the southern Baltic. Freshwat Biol 45: 147-167
1999 – 1995
Wickham SA, Carstens M (1998) Effects of ultraviolet-B radiation on two arctic microbial food webs. Aquat Microb Ecol 16: 163-171
Wickham SA (1998) The direct and indirect impact of Daphnia and Cyclops on a freshwater microbial food web. J Plank Res 20: 739-755
Jürgens K, Wickham SA, Rothhaupt K-O, Santer B (1996) Feeding rates of macro- and microzooplankton on heterotrophic flagellates. Limnol Oceanogr 41: 1833-1839
Wickham SA (1995) Trophic relations between cyclopoid copepods and ciliated protists: complex interactions link the microbial and classic food webs. Limnol Oceanogr 40: 1173-1181
Wickham SA (1995) Cyclops predation on ciliates: Species-specific differences and functional responses. J Plankton Res 17: 1633-1646
1994 – 1990
Wickham SA, Gilbert JJ, Berninger U-G (1993) Effects of rotifers and ciliates on the growth and survival of Daphnia. J Plankton Res 15: 317-334
Wickham SA, Gilbert JJ (1993) The comparative importance of competition and predation by Daphnia on ciliated protists. Arch Hydrobiol 126: 289-313
Sanders RW, Wickham SA (1993) Planktonic protists and metazoa: predation, food quality and population control. Mar Microb Food Webs 7: 197-223
Jack JD, Wickham SA, Toalson S, Gilbert JJ (1993) The effect of clays on a freshwater plankton community: An enclosure experiment. Arch Hydrobiol 127: 257-270
Berninger U-G, Wickham SA, Finlay BJ (1993) Trophic coupling within the microbial food web: a study with fine temporal resolution in a eutrophic freshwater ecosystem. Freshwat Biol 30: 419-432
Wickham SA, Gilbert JJ (1991) Relative vulnerabilities of natural rotifer and ciliate communities to cladocerans: laboratory and field experiments. Freshwat Biol 26: 77-86
Wickham SA, Lynn DH (1990) Relations between growth rate, cell size, and DNA content in colpodean ciliates (Ciliophora: Colpodea). Eur J Protistol 25: 345-352
Richardson WB, Wickham SA, Threlkeld ST (1990) Foodweb response to the experimental manipulation of a benthivore (Cypinus carpio), zooplanktivore (Menidia beryllina) and benthic insects. Arch Hydrobiol 119: 143-165