Analyses statistiques de 30 années de données ornithologiques recueillies par la méthode de comptage à vue

Abstract : Birds lay among the top layers of the trophic chain. Thus, they are a good indicator for biodiversity. Therefore, monitoring natural sites implies to follow birds populations. These observations are done in order to evaluate these population evolution tendencies. Furthermore, these observations allow validating the operations to manage the natural site. As a result, I did a study inside the “Réserve Nationale Naturelle de Saint- Quentin-en-Yvelines”. This site was created with consideration about the bird’s life. The reserve through its 30 years life has been committed (with analytic analysis from its observations) to its objectives which are: - Preservation of the site through the evaluation of the iconic species - Analysis of interesting species to create other protected areas The results of the tendencies analysis both for increase and decrease confirmed the observations of the site’s ornithologists. Unfortunately, for some species no conclusion could be drawn. In order to be accepted, the site administration had to be deepen on the conditions required to attract birds. Furthermore, the management also had to be adapted to the knowledge of the area.
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Master thesis
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Clémence Chéreau. Analyses statistiques de 30 années de données ornithologiques recueillies par la méthode de comptage à vue. Sciences de l'environnement. 2016. ⟨hal-01824282⟩

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