AustralieFrV1, Main, Exploration, bibRecord, 003F12

Towards a predictive model to assess the natural position of the Posidonia oceanica seagrass meadows upper limit

Identifieur interne : 003F12 ( Main/Exploration ); précédent : 003F11; suivant : 003F13

Towards a predictive model to assess the natural position of the Posidonia oceanica seagrass meadows upper limit

Auteurs : Matteo Vacchi [France, Italie] ; Monica Montefalcone [Italie] ; Chiara F. Schiaffino [Italie] ; Valeriano Parravicini [France, Italie] ; Carlo Nike Bianchi [Italie] ; Carla Morri [Italie] ; Marco Ferrari [Italie]

Source :

Marine pollution bulletin [ 0025-326X ] ; 2014.

RBID : Pascal:14-0172954

Descripteurs français

Pascal (Inist)
- Modèle prévision, Herbier milieu marin, Phanérogame marine, Hydrodynamique, Modélisation, Milieu marin, Mer Méditerranée, Posidonia oceanica.
Wicri :
- topic : Milieu marin, Mer Méditerranée.

English descriptors

KwdEn :
- Forecast model, Hydrodynamics, Marine environment, Mediterranean Sea, Modeling, Posidonia oceanica, Sea grass, Seagrass bed.

Abstract

The upper portion of the meadows of the protected Mediterranean seagrass Posidonia oceanica occurs in the region of the seafloor mostly affected by surf-related effects. Evaluation of its status is part of monitoring programs, but proper conclusions are difficult to draw due to the lack of definite reference conditions. Comparing the position of the meadow upper limit with the beach morphodynamics (i.e. the distinctive type of beach produced by topography and wave climate) provided evidence that the natural landwards extension of meadows can be predicted. An innovative model was therefore developed in order to locate the region of the seafloor where the meadow upper limit should lie in natural conditions (i.e. those governed only by hydrodynamics, in absence of significant anthropogenic impact). This predictive model was validated in additional sites, which showed perfect agreement between predictions and observations. This makes the model a valuable tool for coastal management.

Affiliations:

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Le document en format XML

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<front><div type="abstract" xml:lang="en">The upper portion of the meadows of the protected Mediterranean seagrass Posidonia oceanica occurs in the region of the seafloor mostly affected by surf-related effects. Evaluation of its status is part of monitoring programs, but proper conclusions are difficult to draw due to the lack of definite reference conditions. Comparing the position of the meadow upper limit with the beach morphodynamics (i.e. the distinctive type of beach produced by topography and wave climate) provided evidence that the natural landwards extension of meadows can be predicted. An innovative model was therefore developed in order to locate the region of the seafloor where the meadow upper limit should lie in natural conditions (i.e. those governed only by hydrodynamics, in absence of significant anthropogenic impact). This predictive model was validated in additional sites, which showed perfect agreement between predictions and observations. This makes the model a valuable tool for coastal management.</div>
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Towards a predictive model to assess the natural position of the Posidonia oceanica seagrass meadows upper limit

Towards a predictive model to assess the natural position of the Posidonia oceanica seagrass meadows upper limit

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri