The geophysical toolbox applied to forest ecosystems – A review
2023
Loiseau, Bertille | Carrière, Simon, D | Jougnot, Damien | Singha, Kamini | Mary, Benjamin | Delpierre, Nicolas | Guérin, Roger | Martin-StPaul, Nicolas | Milieux Environnementaux, Transferts et Interactions dans les hydrosystèmes et les Sols (METIS) ; École Pratique des Hautes Études (EPHE) ; Université Paris sciences et lettres (PSL)-Université Paris sciences et lettres (PSL)-Institut national des sciences de l'Univers (INSU - CNRS)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) | Colorado School of Mines | Università degli Studi di Padova = University of Padua (Unipd) | Ecologie Systématique et Evolution (ESE) ; AgroParisTech-Université Paris-Saclay-Centre National de la Recherche Scientifique (CNRS) | Ecologie des Forêts Méditerranéennes (URFM) ; Institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement (INRAE) | OZCAR Research InfrastructureFunding agency Grant number European Union (EU) 842922National Science Foundation (NSF)EAR -190452720127302012408
International audience
Show more [+] Less [-]English. Studying the forest subsurface is a challenge because of its heterogeneous nature and difficult access.Traditional approaches used by ecologists to characterize the subsurface have a low spatial representativity. This review article illustrates how geophysical techniques can and have been used to get new insights into forest ecology. Near-surface geophysics offers a wide range of methods to characterize the spatial and temporal variability of subsurface properties in a non-destructive and integrative way, each with its own advantages and disadvantages. These techniques can be used alone or combined to take advantage of their complementarity. Our review led us to define three topics how near-surface geophysics can support forest ecology studies: 1) detection of root systems, 2) monitoring of water quantity and dynamics, and 3) characterisation of spatial heterogeneity in subsurface properties at the stand level. The number of forest ecology studies using near-surface geophysics is increasing and this multidisciplinary approach opens new opportunities and perspectives for improving quantitative assessment of biophysical properties and exploring forest response to the environment and adaptation to climate change.
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