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The biogeomorphological life cycle of poplars during the fluvial biogeomorphological succession: a special focus on Populus nigra L.

Corenblit, Dov and Steiger, Johannes and González, Eduardo and Gurnell, Angela M. and Charrier, Gaspard and Darrozes, José and Dousseau, Julien and Julien, Frédéric and Lambs, Luc and Larrue, Sébastien and Roussel, Erwan and Vautier, Franck and Voldoire, Olivier The biogeomorphological life cycle of poplars during the fluvial biogeomorphological succession: a special focus on Populus nigra L. (2014) Earth Surface Processes and Landforms, 39 (4). 546-563. ISSN 0197-9337

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Official URL: http://dx.doi.org/10.1002/esp.3515

Abstract

Riverine ecosystems are recurrently rejuvenated during destructive flood events and vegetation succession starts again. Poplars (i.e. species from Populus genera) respond to hydrogeomorphological constraints, but, in turn, also influence these processes. Thus, poplar development on bare mineral substrates is not exclusively a one-way vegetative process. Reciprocal interactions and adjustments between poplar species and sediment dynamics during their life cycle lead to the emergence of biogeomorphological entities within the fluvial corridor, such as vegetated islands, benches and floodplains. Based on a review of geomorphological, biological and ecological literature, we have identified and described the co-constructing processes between riparian poplars and their fluvial environment. We have explored the possibility that the modification of the hydrogeomorphological environment exerted, in particular, by the European black poplar (Populus nigra L.), increases its fitness and thus results in positive niche construction. We focus on the fundamental phases of dispersal, recruitment and establishment until sexual maturity of P. nigra by describing the hierarchy of interactions and the pattern of feedbacks between biotic and abiotic components. We explicitly relate the biological life cycle of P. nigra to the fluvial biogeomorphic succession model by referring to the ‘biogeomorphological life cycle’ of P. nigra. Finally, we propose new research perspectives based on this theoretical framework.

Item Type:Article
Additional Information:Thanks to Wiley editor. The original PDF of the article can be found at Earth Surface Processes and Landforms website : http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1096-9837
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Other partners > Université Blaise Pascal - UBP (FRANCE)
Other partners > Ecole nationale supérieure d'architecture de Clermont Ferrand - ENSACF (FRANCE)
Other partners > Maison des Sciences de l’Homme - MSH (FRANCE)
Other partners > Queen Mary University of London - QMUL (UNITED KINGDOM)
Other partners > Université Laval (CANADA)
Laboratory name:
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Deposited By: Luc LAMBS
Deposited On:07 Mar 2014 10:07

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