نتایج جستجو برای: phytosociology

تعداد نتایج: 159  

Journal: :Plant sociology 2021

In the present paper a phytosociological study on dry grassland communities identified in western sector of Murgia Plateau (Murgia delle Gravine) and Lucanian badlands territory is presented. Forty vegetation releves were carried out using Braun-Blanquet approach. Two new associations characterized by therophytic dominance, namely Lysimachio foeminae-Atractylidetum cancellatae Campanulo erini-M...

Journal: :Annals of the University of Craiova - Agriculture, Montanology, Cadastre Series 2023

The intensive abiotic activity, but not only that, has brought about the invasion of allochtone (non-native) species in natural and semi-natural degraded ecosystems our country. invasive influence succesional dynamics floristic composition plant communities, occupying increasingly more space. Biological plants is considered to be one most serious threats biodiversity alluvial meadow vegetation....

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشگاه پیام نور مرکز تهران - دانشکده علوم 1384

چکیده ندارد.

Journal: :British & Irish botany 2023

Nature conservation requires classification of vegetation types for site assessment and assignment. Species-rich floodplain meadows are a declining habitat in Britain Europe yet their has been based on just few samples fails to describe community response environmental change adequately. European classification, opposite, from the wide geographical range with no data/analysis supporting choices...

Journal: :Remote Sensing 2022

The mapping and monitoring of natural semi-natural habitats are crucial activities regulated by European policies regulations, such as the 92/43/EEC. In Mediterranean area, which is characterized high vegetational environmental diversity, particularly difficult often exclusively based on in situ observations. this scenario, it necessary to automate generation updated maps support decisions poli...

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