Abstract
Bird populations are fundamental elements of forest biodiversity and play a very important role in maintaining the ecological balance and normal functions of forest ecosystems, so that they are an indicator of sustainable management taken into account at European level. Consequently, the existence or setting up by management measures of the most favourable conditions for diverse assemblages of birds is one of the objectives of sustainable forest management. For this purpose the paper aims to assess the ecological conditions offered by broadleaved stands from the northern Romania for the avian populations. The parameters considered were the stands layers, the composition and spatial distribution of forest shrubs, the stand density, the biological potential of forest species, stand age and stand ecological dynamic, landscape parameters. Using these parameters as partial favourability indices, a simple method for assessing the ecological conditions offered to bird populations based on a Total Favourability Index (TFI) is proposed for practical forest management purposes. According to this index, in the case study of the northern broadleaved managed stands, the ecological favourability for birds is medium.
Highlights
Forest ecosystems play a major role at regional, national and global scale
In this context our study propose an easy to apply tool for assessing the ecological conditions offered by stands to ornithofauna and the possibility to identify the factors that must be improved and management measures to do it
Assessment of the ecological conditions offered by decidous stands from the Northern Romania for the avian populations[189] Tab.[1]
Summary
Forest ecosystems play a major role at regional, national and global scale. The loss of biodiversity in temperate forests is a serious threat to the stability and functioning of these ecosystems compromising the provisioning of their multiple services. Birds play multiple roles: control of insect pests, vegetal species seed dissemination, transport of larvae, eggs, insects, Măciucă Anca, Dănilă Alin collembola, and microorganisms contributing to the restoration of soil underground fauna communities of disturbed forests, part of the ecosystem matter circuit. The conservation measures applied outside the protected areas, in the managed forests became more and more important; the assessment of bird populations is a European indicator of sustainable forest management. In this context our study propose an easy to apply tool for assessing the ecological conditions offered by stands to ornithofauna and the possibility to identify the factors that must be improved and management measures to do it
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