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  • 1. De Frenne, Pieter
    et al.
    Coomes, David A.
    De Schrijver, An
    Staelens, Jeroen
    Alexander, Jake M.
    Bernhardt-Roemermann, Markus
    Brunet, Jorg
    Chabrerie, Olivier
    Chiarucci, Alessandro
    den Ouden, Jan
    Eckstein, Rolf Lutz
    Justus-Liebig-University, Giessen, Germany.
    Graae, Bente J.
    Gruwez, Robert
    Hedl, Radim
    Hermy, Martin
    Kolb, Annette
    Marell, Anders
    Mullender, Samantha M.
    Olsen, Siri L.
    Orczewska, Anna
    Peterken, George
    Petrik, Petr
    Plue, Jan
    Simonson, William D.
    Tomescu, Cezar V.
    Vangansbeke, Pieter
    Verstraeten, Gorik
    Vesterdal, Lars
    Wulf, Monika
    Verheyen, Kris
    Plant movements and climate warming: intraspecific variation in growth responses to nonlocal soils2014Ingår i: New Phytologist, ISSN 0028-646X, E-ISSN 1469-8137, Vol. 202, nr 2, s. 431-441Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Most range shift predictions focus on the dispersal phase of the colonization process. Because moving populations experience increasingly dissimilar nonclimatic environmental conditions as they track climate warming, it is also critical to test how individuals originating from contrasting thermal environments can establish in nonlocal sites. We assess the intraspecific variation in growth responses to nonlocal soils by planting a widespread grass of deciduous forests (Milium effusum) into an experimental common garden using combinations of seeds and soil sampled in 22 sites across its distributional range, and reflecting movement scenarios of up to 1600km. Furthermore, to determine temperature and forest-structural effects, the plants and soils were experimentally warmed and shaded. We found significantly positive effects of the difference between the temperature of the sites of seed and soil collection on growth and seedling emergence rates. Migrant plants might thus encounter increasingly favourable soil conditions while tracking the isotherms towards currently colder' soils. These effects persisted under experimental warming. Rising temperatures and light availability generally enhanced plant performance. Our results suggest that abiotic and biotic soil characteristics can shape climate change-driven plant movements by affecting growth of nonlocal migrants, a mechanism which should be integrated into predictions of future range shifts.

  • 2.
    Eckstein, Rolf Lutz
    Justus-Liebig-University Giessen, Germany.
    Differential effects of interspecific interactions and water availability on survival, growth and fecundity of three congeneric grassland herbs2005Ingår i: New Phytologist, ISSN 0028-646X, E-ISSN 1469-8137, Vol. 166, nr 2, s. 525-536Artikel i tidskrift (Refereegranskat)
    Abstract [en]

    Fitness of individual plants and of populations depends on the rates of survival, growth and fecundity. This study tested whether vital rates were differentially affected by biotic interactions and water availability. The effects of manipulations of above-ground competition (through clipping) and water availability (through water addition) on the vital rates of seedlings of three species (Viola elatior Fries, Viola pumila Chaix and Viola stagnina Kit.) were analysed in dry, mesic and wet grasslands. Water addition and grassland type had the largest effects on survival (accounting for 41 and 24% of total variation, respectively) across species. Height growth rate was positively affected by grassland type (19%) and water addition (12%) and varied among species (8%), while leaf accumulation rates and reproduction were affected by grassland type and clipping. The data suggested facilitative effects of the canopy on seedling survival in the dry grassland. This study presents evidence that environmental conditions and biotic interactions may have differential effects on seedling survival, growth and reproduction. The findings highlight the complex interplay between spatial and temporal environmental variation and biotic interactions in structuring plant communities.

  • 3.
    Eckstein, Rolf Lutz
    et al.
    Uppsala University.
    Karlsson, P S
    Uppsala University.
    Variation in nitrogen-use efficiency among and within subarctic graminoids and herbs2001Ingår i: New Phytologist, ISSN 0028-646X, E-ISSN 1469-8137, Vol. 150, nr 3, s. 641-651Artikel i tidskrift (Refereegranskat)
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