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Kirje Combining different omics to study aquatic food web functions and processes : [presentation](University of Jyväskylä, 2023) Taipale, Sami J.The presentation took place at the 11th International Shallow Lakes Conference.Kirje Effects of water temperature on marbled crayfish invasion ecology : [presentation](Estonian University of Life Sciences, 2023) Teesalu, PaulThe presentation took place at the CrayfIT 2023 Conference.Kirje Veega seotud haigused ja mured : [esitlus](Eesti Maaülikool, Tartu Ülikool, 2023) Tammert, Helen11. madalate järvede konverentsi Veepäeva raames toimunud esitlus, Tartus, 2023. aasta juunis.Kirje Lake Monitoring in Denmark since 1989 : [presenation](Aarhus University, 2023) Johansson, Liselotte Sander; Søndergaard, Martin; Andersen, Peter Mejlhede; Lauridsen, Torben; Jeppesen, ErikThe presentation took place at the 11th International Shallow Lakes Conference.Kirje Lake ecosystem changes after increase in water clarity: effects of zebra mussel invasion in eight lakes in the River Gudenå system, Denmark : [presentation](Aarhus University, 2023) Søndergaard, Martin; Lauridsen, Torben; Johansson, Liselotte S.; Jeppesen, ErikThe presentation took place at the 11th International Shallow Lakes Conference.Kirje Role of nitrogen in Danish lakes: Evidence from monitoring and long-term experiments : [presentation] (Aarhus University, 2023) Jeppesen, Erik; Søndergaard, Martin; Davidson, Thomas A.; Lauridsen, Torben; Johansson, Liselotte S.; He, HuThe presentation took place at the 11th International Shallow Lakes Conference.Kirje The immediate response of freshwater autotrophic picoplankton to increased nitrogen loading differs among climate warming scenarios - a mesocosms experiment : [poster](Estonian University of Life Sciences, 2023) Seller, Siim; Lauringson, Velda; Tamm, Marju; Freiberg, Rene; Nõges, TiinaPhotoautotrophic picoplankton (PPP) being the smallest phytoplankton fraction, ranging from 0,2 to 2 μm. Picoplankton dominate oceans and oligotrophic waters, consisting anywhere between 50% to 90% of the whole phytoplankton abundance in those conditions [1]. Because of climate change and eutrophication, picoplankton importance in lakes may also increase. For that, mesocosms provide an excellent opportunity to test PPP reaction at different temperatures and nutrient levels.Kirje The immediate response of freshwater phytoplankton to increased nitrogen loading differ among climate warming scenarios - a mesocosms experiments : [presenation](2021) Tamm, Marju; Boedecker, Ashlynn; Freiberg, René; Jeppesen, ErikThe presentation took place at the 10th International Conference on Shallow Lakes in 2021.Kirje Outcomes of the littoral monitoring of a large shallow lake: a case of Lake Peipsi : [presentation](Estonian University of Life Sciences, 2023) Mäemets, Helle; Palmik-Das, Kadi; Haldna, MarinaThe presentation took place at the 11th International Shallow Lakes Conference.Kirje Cross border cooperation on environmental monitoring of Lake Peipsi: main results and perspectives : [presentation] (Estonian University of Life Sciences, 2021) Tuvikene, Lea; Tammeorg, Olga; Nõges, Peeter; Nõges, TiinaThe presentation took place at the Lahti Lakes 2021 Symposium.Kirje Catchment land cover and soil as predictors of organic carbon, nitrogen, and phosphorus levels in temperate lakes : [presentation](Estonian University of Life Sciences, 2021) Sepp, Margot; Kõiv, Toomas; Nõges, Peeter; Nõges, Tiina; Newell, Silvia; McCarthy, Mark J.The presentation took place at the 10th International Conference on Shallow Lakes in 2021.Kirje Nitrogen and its expected impacts in Estonian lakes : [poster](Estonian University of Life Sciences, 2023) Nõges, Tiina; Maileht, Kairi; Nõges, Peeter• The relative role of N&P to control eutrophication in lakes is continuously debated (Schindler et al. 2008). • Estonian limnologists have been P-believers as the post- socialist sharp reduction of N loading brought back cyanobacterial blooms in Lake Peipsi (Nõges et al. 2005) • The long debate has not discredited the importance of P- control, but displayed evidence on the significance of N reduction to recover lake ecosystems (Paerl et al. 2016) • Chemically reduced N forms, such as NH4+ and urea favour non-N-fixing Cyanos (McCarthy et al. 2009) • Agriculture has intensified and the application of mineral fertilisers in Estonia has increased in the recent decade (Nõges et al. 2022)Kirje A shift in the regional climate regime strongly affects Peipsi fish : [poster](Estonian University of Life Sciences, 2023) Kangur, Külli; Tammiksaar, Erki; Pauly, DanielFish populations in northern latitude lakes are strongly impacted by climate warming. This is particularly evident in L. Peipsi (Fig. 1), as climate change favour warm-water species such as pikeperch (Sander lucioperca) or bream (Abramis brama), and inhibit the survival of cool-water species such as vendace (Coregonus albula), Peipsi whitefish (C. lavaretus maraenoides) and burbot (Lota lota). At the turn of the 1980-1990 decade, a significant shift in the Peipsi fish community took place (Fig. 2), which coincided with a recorded shift in the regional climate regime in Europe, including Estonia (Jaagus et al., 2017).Kirje Larval and juvenile perch feeding in some Estonian and Latvian study lakes : [poster](Estonian University of Life Sciences, 2021) Karus, Katrit; Agasild, Helen; Feldmann, Tõnu; Tuvikene, Arvo; Medne-Peipere, Madara; Žagars, Matiss; Puncule, Linda; Zingel, PriitThe presentation took place at the Lahti Lakes 2021 Symposium.Kirje Comparison of larval perch feeding between littoral and open-water sites of the lakes : [presentation](Estonian University of Life Sciences, 2021) Karus, Katrit; Žagars, Matiss; Zingel, Priit; Agasild, Helen; Feldmann, Tõnu; Tuvikene, Arvo; Medne-Peipere, Madara; Puncule, LindaThe presentation took place at the 10th International Conference on Shallow Lakes in 2021.Kirje Climate change impact on Estonian lakes : [presentation](Estonian University of Life Sciences, 2023) Laas, Alo; Cremona, Fabien; Maljutenko, Ilja; Raudsepp, Urmas; Uiboupin, Rivo; Ott, IngmarThe presentation took place at the 11th International Shallow Lakes Conference.Kirje Behavioural responses of invasive (Gmelinoides faciatus) and native (Gammarus lacustris) amphipods to predators on different bottom substrates : [poster](Estonian University of Life Sciences, 2023) Teesalu, Paul; Ercoli, Fabio; Tuvikene, ArvoThe amphipod Gmelinoides fasciatus has invaded and established in numerous large lakes in Eurasia and, in the process, has displaced the native amphipod, Gammarus lacustris. In Lake Peipsi, G. fasciatus dominates the shoreline macroinvertebrate fauna, forming up to 99% of macroinvertebrate individuals (Fig. 1). The mechanism behind its invasion success is unclear and remains an important topic for invasion ecology. In order to determine if different bottom substrates and predator avoidance behaviour contribute to the invasion success of G. fasciatus we conducted two laboratory experiments.Kirje The Challenge of Understanding – from Protozoa to Ecosystems : [presentation](Estonian University of Life Sciences, 2023) Zingel, PriitThe presentation took place at the 23rd biennial conference EcoBalt2023.Kirje 11th International Shallow Lakes Conference Estonia 11-16 June 2023 : [opening presentation](Estonian University of Life Sciences, 2023) Zingel, PriitThe presentation took place at the 11th International Shallow Lakes Conference.Kirje Lake Võrtsjärv past and present commercial fishery and ichthyology : [presentation](Estonian University of Life Sciences, 2023) Teesalu, PaulThe presentation took place at the 11th International Shallow Lakes Conference.
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