Showing items with similar title or keywords.

• The role of geitonogamy in the reproduction success of a nectarless dactylorhiza maculata (orchidaceae) 

  Niiniaho, Jonna (2011)

  Dactylorhiza maculata is a common terrestrial orchid in Finland. It is nectarless and the seed production is relatively high for a deceptive species. The pollinators of D. maculata do not have frequent visits to the flowers, ...

• Puolukan hyönteispölytys ekosysteemipalveluna 

  Tuominen, Aura (2018)

  Hyönteispölytys ekosysteemipalveluna on uhattuna ympäri maailmaa, koska esimerkiksi intensiivinen maankäyttö, hyönteismyrkyt ja ilmastonmuutos vaikuttavat negatiivisesti pölyttäjähyönteiskantoihin. Pölyttäjien hupenemisella ...

• The interplay of landscape composition and configuration : new pathways to manage functional biodiversity and agroecosystem services across Europe 

  Martin, Emily A.; Dainese, Matteo; Clough, Yann; Báldi, András; Bommarco, Riccardo; Gagic, Vesna; Garratt, Michael P.D.; Holzschuh, Andrea; Kleijn, David; Kovács-Hostyánszki, Anikó; Marini, Lorenzo; Potts, Simon G.; Smith, Henrik G.; Al Hassan, Diab; Albrecht, Matthias; Andersson, Georg K.S.; Asís, Josep D.; Aviron, Stéphanie; Balzan, Mario V.; Baños-Picón, Laura; Bartomeus, Ignasi; Batáry, Péter; Burel, Francoise; Caballero-López, Berta; Concepción, Elena D.; Coudrain, Valérie; Dänhardt, Juliana; Diaz, Mario; Diekötter, Tim; Dormann, Carsten F.; Duflot, Rémi; Entling, Martin H.; Farwig, Nina; Fischer, Christina; Frank, Thomas; Garibaldi, Lucas A.; Hermann, John; Herzog, Felix; Inclán, Diego; Jacot, Katja; Jauker, Frank; Jeanneret, Philippe; Kaiser, Marina; Krauss, Jochen; Le Féon, Violette; Marshall, Jon; Moonen, Anna-Camilla; Moreno, Gerardo; Riedinger, Verena; Rundlöf, Maj; Rusch, Adrien; Scheper, Jeroen; Schneider, Gudrun; Schüepp, Christof; Stutz, Sonja; Sutter, Louis; Tamburini, Giovanni; Thies, Carsten; Tormos, José; Tscharntke, Teja; Tschumi, Matthias; Uzman, Deniz; Wagner, Christian; Zubair-Anjum, Muhammad; Steffan-Dewenter, Ingolf (John Wiley & Sons, 2019)

  Managing agricultural landscapes to support biodiversity and ecosystem services is a key aim of a sustainable agriculture. However, how the spatial arrangement of crop fields and other habitats in landscapes impacts ...

• Pölyttäjätyypin vaikutus puolukan (Vaccinium vitis-idaea) marja- ja siementuottoon 

  Karjalainen, Henri (2020)

  Puolukka (Vaccinium vitis-idaea) on yleinen ja kaupallisesti tärkeä kotimainen luonnonmarja. Sen pölytysekologiaa ei tunneta tarkasti, mutta kimalaisten (Bombus spp.) on arveltu olevan sen tehokkaimpien pölyttäjien joukossa. ...

• Prolonged stigma and flower lifespan in females of the gynodioecious plant Geranium sylvaticum 

  Elzinga, Jelmer Anne; Varga, Sandra (Elsevier; Urban und Fischer Verlag, 2017)

  In gynodioecious plants females need a reproductive advantage over hermaphrodites to be maintained in the same population. Generally, three main proximate causes for a female advantage are considered: inbreeding avoidance, ...