Now showing items 1-20 of 7303

  • Impacts of multiple stressors on freshwater biota across spatial scales and ecosystems 

    Birk, Sebastian; Chapman, Daniel; Carvalho, Laurence; Spears, Bryan M.; Andersen, Hans Estrup; Argillier, Christine; Auer, Stefan; Baattrup-Pedersen, Annette; Banin, Lindsay; Beklioglu, Meryem; Bondar-Kunze, Elisabeth; Borja, Angel; Branco, Paulo; Bucak, Tuba; Buijse, Anthonie D.; Cardoso, Ana Cristina; Couture, Raoul-Marie; Cremona, Fabien; de Zwart, Dick; Feld, Christian K.; Ferreira, M. Teresa; Feuchtmayr, Heidrun; Gessner, Mark O.; Gieswein, Alexander; Globevnik, Lidija; Graeber, Daniel; Graf, Wolfram; Gutierrez-Canovas, Cayetano; Hanganu, Jenica; Iskin, Ugur; Jarvinen, Marko; Jeppesen, Erik; Kotamaki, Niina; Kuijper, Marijn; Lemm, Jan U.; Shenglan, Lu; Solheim, Anne Lyche; Mischke, Ute; Moe, S. Jannicke; Nõges, Peeter; Nõges, Tiina; Ormerod, Steve J.; Panagopoulos, Yiannis; Phillips, Geoff; Posthuma, Leo; Pouso, Sarai; Prudhomme, Christel; Rankinen, Katri; Rasmussen, Jes J.; Richardson, Jessica; Sagouis, Alban; Santos, Jose Maria; Schaefer, Ralf B.; Schinegger, Rafaela; Schmutz, Stefan; Schneider, Susanne C.; Schuelting, Lisa; Segurado, Pedro; Stefanidis, Kostas; Sures, Bernd; Thackeray, Stephen J.; Turunen, Jarno; Uyarra, Maria C.; Venohr, Markus; von der Ohe, Peter Carsten; Willby, Nigel; Hering, Daniel (Nature Publishing Group, 2020)
    Climate and land-use change drive a suite of stressors that shape ecosystems and interact to yield complex ecological responses (that is, additive, antagonistic and synergistic effects). We know little about the spatial ...
  • Global CO₂ emissions from dry inland waters share common drivers across ecosystems 

    Keller, P. S.; Catalán, N.; von Schiller, D.; Grossart, H.-P.; Koschorreck, M.; Obrador, B.; Frass, M. A.; Karakaya, N.; Barros, N.; Howitt, J. A.; Mendoza-Lera, C.; Pastor, A.; Flaim, G.; Aben, R.; Riis, T.; Arce, M. I.; Onandia, G.; Paranaíba, J. R.; Linkhorst, A.; del Campo, R.; Amado, A. M.; Cauvy-Fraunié, S.; Brothers, S.; Condon, J.; Mendonça, R. F.; Reverey, F.; Rõõm, E.-I.; Datry, T.; Roland, F.; Laas, A.; Obertegger, U.; Park, J.-H.; Wang, H.; Kosten, S.; Goméz, R.; Feijoó, C.; Elosegi, A.; Sánchez-Montoya, M. M.; Finlayson, C. M.; Zoppini, A.; Oliveira Junior, E. S.; Muniz, C. C.; Gómez-Gener, L.; Leigh, C.; Zhang, Q.; Marcé, R. (Nature Portfolio, 2020)
    Many inland waters exhibit complete or partial desiccation, or have vanished due to global change, exposing sediments to the atmosphere. Yet, data on carbon dioxide (CO 2) emissions from these sediments are too scarce ...
  • Bimodality and alternative equilibria do not help explain long-term patterns in shallow lake chlorophyll-a 

    Davidson, Thomas A.; Sayer, Carl D.; Jeppesen, Erik; Søndergaard, Martin; Lauridsen, Torben; Johansson, Liselotte S.; Baker, Ambroise; Graeber, Daniel (Springer Nature, 2023)
    Since its inception, the theory of alternative equilibria in shallow lakes has evolved and been applied to an ever wider range of ecological and socioecological systems. The theory posits the existence of two alternative ...
  • Väike kuslapuuraamat 

    Arus, Liina; Rätsep, Reelika; Tammik, Mari-Liis; Zimmer, Elmar (Eesti Maaülikooli Polli aiandusuuringute keskus, 2023)
    Marjakultuurina kasvatatav sinine kuslapuu (Lonicera caerula L), nimetatakse ka söödav kuslapuu, on olnud siiani terve maailma jaoks veel suhteliselt vähetuntud. Kuigi koduaedades kohtab teda järjest sagedamini, on ...
  • Parameterization of surface water temperature and long-term trends in Europe’s fourth largest lake shows recent and rapid warming in winter 

    Öglü, Burak; Möls, Tõnu; Kaart, Tanel; Cremona, Fabien; Kangur, Külli (Elsevier, 2020)
    Changes in the ice phenology, seasonal temperature and extreme events are consistent evidence of climate change effect on lakes. In this study, we analyzed multiannual variability, determined long-term trends and detected ...
  • Is fish biomass controlled by abiotic or biotic factors? Results of long- term monitoring in a large eutrophic lake 

    Öglü, Burak; Bhele, Upendra; Järvalt, Ain; Tuvikene, Lea; Timm, Henn; Seller, Siim; Haberman, Juta; Agasild, Helen; Nõges, Peeter; Silm, Maidu; Bernotas, Priit; Nõges, Tiina; Cremona, Fabien (Elsevier, 2020)
    Relationships between biomass and ecological factors including trophic interactions were examined to understand the dynamics of six fish species in Lake Võrtsjärv, a large shallow eutrophic lake located in Estonia (north-eastern ...
  • How warming and other stressors affect zooplankton abundance, biomass and community composition in shallow eutrophic lakes 

    Cremona, Fabien; Agasild, Helen; Haberman, Juta; Zingel, Priit; Nõges, Peeter; Nõges, Tiina; Laas, Alo (Springer Nature, 2020)
    We aimed to investigate the influence of environmental factors and predict zooplankton biomass and abundance in shallow eutrophic lakes. We employed time series of zoo- plankton and environmental parameters that were ...
  • Changes in agricultural land use in Estonia: opportunities for stable land use 

    Rasva, Marii (Estonian University of Life Sciences, 2023)
    The issue of land concentration in the EU and many parts of the world remains basic and is one of the most serious land issues in the district today. Agricultural land is becoming increasingly concentrated into the hands ...
  • Mullavesi 

    Reintam, Endla (koostaja); Astover, Alar (koostaja) (Eesti Maaülikool, 2022)
    Mullavesi on mullas erinevates vormides esinev vesi. Maailma kogu mageveevarust moodustab see vaid 0,05%, ent on asendamatu tähtsusega maismaal elu toimimiseks.
  • How long-term water level changes influence the spatial distribution of fish and other functional groups in a large shallow lake 

    Bhele, Upendra; Öğlü, Burak; Tuvikene, Arvo; Bernotas, Priit; Silm, Maidu; Järvalt, Ain; Agasild, Helen; Zingel, Priit; Seller, Siim; Timm, Henn; Nõges, Peeter; Nõges, Tiina; Cremona, Fabien (Elsevier, 2020)
    We numerically explored the effects of long-term water level changes on biotic biomass and spatial distribution of fish in a large shallow lake. We calibrated Ecospace model (Ecopath with Ecosim modelling suite) with data ...
  • Large-scale geographical and environmental drivers of shallow lake diatom metacommunities across Europe 

    Rodríguez-Alcalá, Omar; Blanco, Saúl; García-Girón, Jorge; Jeppesen, Erik; Irvine, Ken; Nõges, Peeter; Nõges, Tiina; Gross, Elisabeth M.; Bécares, Eloy (Elsevier, 2020)
    Disentangling the relative role of species sorting and dispersal limitation in biological communities has become one of the main issues for community ecologists and biogeographers. In this study, we analysed a data set ...
  • Major effects of alkalinity on the relationship between metabolism and dissolved inorganic carbon dynamics in lakes 

    Khan, Hares; Laas, Alo; Marcé, Rafael; Obrador, Biel (Springer, 2020)
    Several findings suggest that CO 2 emissions in lakes are not always directly linked to changes in metabolism but can be associated with interactions with the dissolved inorganic carbon equilibrium. Alkalinity has been ...
  • Hidden treasures: Human-made aquatic ecosystems harbour unexplored opportunities 

    Koschorreck, Matthias; Downing, Andrea S.; Hejzlar, Josef; Marcé, Rafael; Laas, Alo; Arndt, Witold G.; Keller, Philipp S.; Smolders, Alfons J. P.; van Dijk, Gijs; Kosten, Sarian (Springer, 2020)
    Artificial water bodies like ditches, fish ponds, weirs, reservoirs, fish ladders, and irrigation channels are usually constructed and managed to optimize their intended purposes. However, human-made aquatic systems also ...
  • The Building Information Modeling (BIM) application in landscape architecture design process 

    Mohamed, Khaled Abdelmonem Sayed (Eesti Maaülikool, 2023)
    The Architecture, Engineering, and Construction industries are increasingly adopting Building Information Modeling (BIM). Using BIM best practices can ensure that collaborative technology and partnering are efficient and ...
  • Paired O₂–CO₂ measurements provide emergent insights into aquatic ecosystem function 

    Vachon, Dominic; Sadro, Steven; Bogard, Matthew J.; Lapierre, Jean-Francois; Baulch, Helen M.; Rusak, James A.; Denfeld, Blaize A.; Laas, Alo; Klaus, Marcus; Karlsson, Jan; Weyhenmeyer, Gesa A.; del Giorgio, Paul A. (Wiley, 2020)
    Metabolic stoichiometry predicts that dissolved oxygen (O2 ) and carbon dioxide (CO2 ) in aquatic ecosystems should covary inversely; however, field observations often diverge from theoretical expectations. Here, we propose ...
  • Rediscovering traditional Persian garden design elements in contemporary usage as UHI mitigation strategy 

    Memari, Pouriya (Eesti Maaülikool, 2023)
    Tehran as a historical mega city of Iran, was designated as capital during Safaviyeh dynasty with population about 15000 inhabitants in 1797 ac. Existed documents illustrate, Tehran was a country side village which had ...
  • Improvisation Techniques in Concept Development: Tuning the Landscape Architect’s Mindset 

    Juur, Sten (Eesti Maaülikool, 2023)
    Landscape architecture is an interdisciplinary profession, which plays an important role in shaping the world against the backdrop of all the environmental, psychological, and social challenges we are facing. It is important ...
  • ‘‘Large lakes – Small world”: Common issues and challenges presented during the joint ELLS-IAGLR 2018 Conference 

    Anneville, Orlane; Höök, Tomas O.; Nõges, Peeter; Prats, Jordi; Salmaso, Nico; Vinçon-Leite, Brigitte; Rao, Yerubandi R. (Elsevier, 2020)
    As freshwater ecosystems, lakes are essential resources on Earth and offer a wide variety of services to nature and society. Large lakes are iconic waterbodies due to their size and the wealth of ecosystem services they ...
  • Cryptosporidium spp. prevalence, relationship with the general inflammatory response, faecal microbiota and halofuginone lactate treatment in calves 

    Dorbek-Kolin, Elisabeth (Estonian University of Life Sciences, 2023)
    Calf diarrhoea is a common problem in cattle herds, and it has many causative agents including the protozoan parasites of the genus Cryptosporidium. This parasite is detected worldwide and has clinical importance particularly ...
  • Projekt „Bioressursside kõrgema väärindamise huvi tõstmine ja ressursside uuring“ : Kagu-Eesti bioressursside uuringu aruanne 

    Värnik, Rando (koostaja); Kriipsalu, Mait (koostaja); Kaasik, Allan (koostaja); Orupõld, Kaja (koostaja); Lillemets, Jüri (koostaja); Aro, Kersti (koostaja) (Eesti Maaülikool, 2022)
    Taastuvatest energiaallikatest toodetud energia kasutamise edendamise direktiivi ((EL) 2018/2001, 11. detsember 2018) kohaselt on biomass põllumajandusest (nii taimsed kui ka loomsed materjalid), metsamajandusest ja sellega ...