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Mechanismen und Prognose der Wirkung verschiedener habitatverbessernder Maßnahmen (mobiler Feinkies, Beschattung) sowie herbivorer Fische auf die Sauerstoffversorgung des Interstitials und die aquatische Biodiversität (INTASAQUA Teilprojekt 2)
Biomanipulation in Fließgewässern - Anwendbarkeit der Nahrungsnetzsteuerung als Werkzeug zur Verbesserung der Habitatqualität (BIOEFFEKT II)
Auswirkungen invasiver Arten auf wasserqualitätsrelevante Prozesse in Europäischen Flüssen (Nahrungskonsumtion, Fraßverhalten und indirekte Effekte von Dikerogammarus villosus)
Funktionale Diversität und Redundanz in benthischen Nahrungsnetzen, Einfluss invasiver Arten
Veröffentlichungen
Richter L, Schwenkmezger L, Becker J, Winkelmann C, Hellmann C and Worischka S (2018) The very hungry amphipod: the invasive Dikerogammarus villosus shows high consumption rates for two food sources and independent of predator cues. Biol Invasions 20:1321–1335.
Stamm J, Dittrich A, Spänhoff B, Berendonk T, Bilinski W, Branß T, Ettmer B, Haase U, Hirschfeld J, Lindow M, Mietz S-C, Müller N, Orlik S, Richter L, Sagebiel J, Stengert M, Stratmann L, Seidel M, Worischka S and Lüderitz V (2017) Lösungen für ein regionales ökologisches Hochwasserrisikomanagement und eine naturnahe Gewässerentwicklung. Korrespondenz Wasserwirtschaft 10(4):229-236.
Worischka S, Richter L, Hanig A, Hellmann C, Becker J, Kratina P and Winkelmann C (2018) Food consumption of the invasive amphipod Dikerogammarus villosus in field mesocosms and its effects on leaf decomposition and periphyton. Aquatic Invasions 13(2):261-275.
Hellmann C., Schöll F., Worischka S., Becker J., Winkelmann C. (2016) River-specific effects of the invasive amphipod Dikerogammarus villosus (Crustacea: Amphipoda) on benthic communities. Biological Invasions.10.1007/s10530-016-1286-z
Hellmann C, Worischka S, Mehler E, Becker J, Gergs R, Winkelmann C (2015) The trophic function of Dikerogammarus villosus (Sowinsky, 1894) in invaded rivers: a case study in the Elbe and Rhine. Aquatic Invasions, 10: 385-397.
Worischka S, Schmidt SI, Hellmann C, Winkelmann C (2015) Selective predation by benthivorous fish on stream macroinvertebrates – the role of prey traits and prey abundance. Limnologica 52: 41-50
Szokoli F, Winkelmann C, Berendonk T U, Worischka, S (2015) The role of fish kairomones and food availability for the predator avoidance behaviour of Gammarus pulex. Fundamental and Applied Limnology 186: 249-258
Worischka S, Hellmann C, Berendonk T U, and Winkelmann C (2014) Fish predation can induce mesohabitat-specific differences in food web structures in small stream ecosystems. Aquatic Ecology 48: 367-378
Winkelmann C, Schneider J, Mewes D, Schmidt SI, Worischka S, Hellmann C, Benndorf, J (2014) Top-down and Bottom-up Control of Periphyton in a Natural Stream Ecosystem. Freshwater Biology, 59: 803–818
Schneider J, Worischka S, Hellmann C, Benndorf J, Winkelmann C (2014) Flexibility in feeding periodicity of mayflies in response to different concentrations of benthivorous fish cues. Limnologica 45: 24– 32
Worischka S, Koebsch C, Hellmann C, Winkelmann C (2012) Habitat overlap between benthic fish predators and their invertebrate prey in streams: The influence of spatial versus temporal patterns on predation risk. Freshwater Biology. 57:2247-2261
Winkelmann, C., Hellmann, C., Worischka, S., Petzoldt, T. & Benndorf, J. (2011) Fish predation affects the structure of a benthic community. Freshwater Biology, 56, 1030-1046.
Hellmann, C., Winkelmann, C., Worischka, S. & Benndorf, J. (2011) Extended larval development compensates for sublethal effects of fish predation in a mayfly population (Rhithrogena semicolorata, Ephemeroptera). Limnologica, 41, 256-265.
Winkelmann, C., Worischka, S., Koop, J.H.E. & Benndorf, J. (2007) Predation effects of benthivorous fish on grazing and shredding macroinvertebrates in a detritus-based stream food web. Limnologica, 37, 121-128.
Hülsmann, S., Horn, H., Horn, W., Kahl, U., Paul, L., Radke, R.J., Worischka, S. & Benndorf, J. (2006) Relations between food web structure and nutrient budget in a stratified lake: results from a whole lake experiment in saidenbach reservoir, Germany. Verh. Internat. Verein. Limnol., 29, 1543-1547.
Hülsmann, S., Mehner, T., Worischka, S. & Plewa, M. (1999) Is the difference in population dynamics of Daphnia galeata in littoral and pelagic areas of a long-term biomanipulated reservoir affected by age-0 fish predation? Hydrobiologia, 408, 57-63.
Worischka, S. & Mehner, T. (1998) Comparison of field-based and indirect estimates of daily food consumption in larval perch and zander. J. Fish Biology, 53, 1050-1059.
Mehner, T., Plewa, M., Hülsmann, S. & Worischka, S. (1998) Gape-size dependent feeding of age-0 perch (Perca fluviatilis) and age-0 zander (Stizostedion lucioperca) on Daphnia galeata. Archiv Fur Hydrobiologie, 142, 191-207.
Mehner, T., Hülsmann, S., Worischka, S., Plewa, M. & Benndorf, J. (1998) Is the midsummer decline of Daphnia really induced by age-0 fish predation? Comparison of fish consumption and Daphnia mortality and life history parameters in a biomanipulated reservoir. Journal of Plankton Research, 20, 1797-1811.