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Selle kollektsiooni püsiv URIhttp://hdl.handle.net/10492/7302

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Nüüd näidatakse 1 - 20 41

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.
Effects of water temperature on marbled crayfish invasion ecology : [presentation]
(Estonian University of Life Sciences, 2023) Teesalu, Paul
The presentation took place at the CrayfIT 2023 Conference.
Veega seotud haigused ja mured : [esitlus]
(Eesti Maaülikool, Tartu Ülikool, 2023) Tammert, Helen
11. madalate järvede konverentsi Veepäeva raames toimunud esitlus, Tartus, 2023. aasta juunis.
Lake Monitoring in Denmark since 1989 : [presenation]
(Aarhus University, 2023) Johansson, Liselotte Sander; Søndergaard, Martin; Andersen, Peter Mejlhede; Lauridsen, Torben; Jeppesen, Erik
The presentation took place at the 11th International Shallow Lakes Conference.
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, Erik
The presentation took place at the 11th International Shallow Lakes Conference.
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, Hu
The presentation took place at the 11th International Shallow Lakes Conference.
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, Tiina
Photoautotrophic 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.
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, Erik
The presentation took place at the 10th International Conference on Shallow Lakes in 2021.
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, Marina
The presentation took place at the 11th International Shallow Lakes Conference.
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, Tiina
The presentation took place at the Lahti Lakes 2021 Symposium.
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.
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)
A shift in the regional climate regime strongly affects Peipsi fish : [poster]
(Estonian University of Life Sciences, 2023) Kangur, Külli; Tammiksaar, Erki; Pauly, Daniel
Fish 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).
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, Priit
The presentation took place at the Lahti Lakes 2021 Symposium.
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, Linda
The presentation took place at the 10th International Conference on Shallow Lakes in 2021.
Climate change impact on Estonian lakes : [presentation]
(Estonian University of Life Sciences, 2023) Laas, Alo; Cremona, Fabien; Maljutenko, Ilja; Raudsepp, Urmas; Uiboupin, Rivo; Ott, Ingmar
The presentation took place at the 11th International Shallow Lakes Conference.
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, Arvo
The 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.
The Challenge of Understanding – from Protozoa to Ecosystems : [presentation]
(Estonian University of Life Sciences, 2023) Zingel, Priit
The presentation took place at the 23rd biennial conference EcoBalt2023.
11th International Shallow Lakes Conference Estonia 11-16 June 2023 : [opening presentation]
(Estonian University of Life Sciences, 2023) Zingel, Priit
The presentation took place at the 11th International Shallow Lakes Conference.
Lake Võrtsjärv past and present commercial fishery and ichthyology : [presentation]
(Estonian University of Life Sciences, 2023) Teesalu, Paul
The presentation took place at the 11th International Shallow Lakes Conference.

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