Canopy composition and drought shape understorey plant assemblages in a young tree diversity experiment

Emmanuel Corcket; Didier Alard; Inge Halder; Hervé Jactel; Begoña Garrido Diaz; Edith Reuzeau; Bastien Castagneyrol

doi:10.1111/jvs.12903

Canopy composition and drought shape understorey plant assemblages in a young tree diversity experiment

Journal of Vegetation Science ◽

10.1111/jvs.12903 ◽

2020 ◽

Vol 31 (5) ◽

pp. 803-816

Author(s):

Emmanuel Corcket ◽

Didier Alard ◽

Inge Halder ◽

Hervé Jactel ◽

Begoña Garrido Diaz ◽

...

Keyword(s):

Tree Diversity ◽

Young Tree ◽

Canopy Composition ◽

Plant Assemblages ◽

Understorey Plant

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Effects of canopy composition and disturbance type on understorey plant assembly in boreal forests

Journal of Vegetation Science ◽

10.1111/jvs.12323 ◽

2015 ◽

Vol 26 (6) ◽

pp. 1225-1237 ◽

Cited By ~ 7

Author(s):

Arnaud Fourrier ◽

Mathieu Bouchard ◽

David Pothier

Keyword(s):

Boreal Forests ◽

Canopy Composition ◽

Understorey Plant

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Mixing effects on litter decomposition rates in a young tree diversity experiment

Acta Oecologica ◽

10.1016/j.actao.2015.12.003 ◽

2016 ◽

Vol 70 ◽

pp. 79-86 ◽

Cited By ~ 17

Author(s):

Nuri Nurlaila Setiawan ◽

Margot Vanhellemont ◽

An De Schrijver ◽

Stephanie Schelfhout ◽

Lander Baeten ◽

...

Keyword(s):

Litter Decomposition ◽

Tree Diversity ◽

Decomposition Rates ◽

Young Tree ◽

Mixing Effects

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Contrasting effects of tree diversity on young tree growth and resistance to insect herbivores across three biodiversity experiments

Oikos ◽

10.1111/oik.02090 ◽

2015 ◽

Vol 124 (12) ◽

pp. 1674-1685 ◽

Cited By ~ 44

Author(s):

Josephine Haase ◽

Bastien Castagneyrol ◽

J. Hans C. Cornelissen ◽

Jaboury Ghazoul ◽

Jens Kattge ◽

...

Keyword(s):

Tree Growth ◽

Tree Diversity ◽

Insect Herbivores ◽

Young Tree

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Tree diversity effects on forest productivity: disentangling the effects of tree species addition vs. substitution

10.1101/2021.05.07.443133 ◽

2021 ◽

Author(s):

Maude Toigo ◽

Bastien Castagneyrol ◽

Herve Jactel ◽

Xavier Morin ◽

Celine Meredieu

Keyword(s):

Tree Species ◽

Developmental Stages ◽

Tree Diversity ◽

Maritime Pine ◽

Facilitation Effect ◽

Complementarity Effect ◽

Mixed Stands ◽

Young Tree ◽

Mixture Effect ◽

Stand Productivity

Mixture effect on stand productivity is usually apprehended through a substitutive approach, whereby productivity in mixed stands is compared to productivity in monocultures, at equivalent stand density. This approach has proved that in many cases mixed stands perform better than monospecific forests, however, we do not yet have a solid theory about species behaviour in the mixture or even guidelines for combining species. The addition of a second tree species to an existing mono-specific stand has received much less consideration. Yet, this approach has the potential to separate the facilitation effect from the complementarity effect. We compared the effect of tree species substitution vs. addition on the productivity of maritime pine and silver birch in a young tree diversity experiment implemented in 2008 in SW France. Substituting pines with birches to create two-species mixtures resulted in an increase of tree productivity at stand level beyond what was expected from monocultures (i.e., overyielding). In contrast, creating mixture through the addition of birches to pine stands had no effect on the maritime pine stand productivity (transgressive mixture effect not significant). This absence of effect is produced by two distinct density-dependence responses at an individual level. Our results allow clarifying the cases in which a mixed stand can be considered as an alternative to a monoculture of a productive species. In particular, the addition of a pioneer and soil low-demanding species during young developmental stages is a possibility to diversify the stand and potentially to increase ecosystem services without altering the productivity of the target species.

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