نتایج جستجو برای: floristic composition
تعداد نتایج: 261466 فیلتر نتایج به سال:
Species homogenization or floristic differentiation are two possible consequences of the fragmentation process in plant communities. Despite the few studies, it seems clear that fragments with low forest cover inserted in anthropogenic matrices are more likely to experience floristic homogenization. However, the homogenization process has two other components, genetic and functional, which have...
The latitudinal biodiversity gradient is considered a first-order biogeographical pattern for most taxonomic groups. Latitudinal variation in plant diversity not always consistent, and this could be related to the particular characteristics of different forest types. In study, we compare changes floristic (alpha diversity), composition (beta diversity) dominance across tropical types: floodplai...
Abstract: Cerrado remnants can hold an important diversity of plant species environmental and ecological relevance. We presented a checklist vascular plants based on 12 years inventory carried out in 36 plots (10 m x 2 m; 0.18 ha total) during unsystematic walks remnant area cerrado sensu stricto located at Itirapina municipality, state São Paulo, southeastern Brazil. The list comprised 195 spe...
Fungi play a key role in soil-plant interactions, nutrient cycling and carbon flow and are essential for the functioning of arctic terrestrial ecosystems. Some studies have shown that the composition of fungal communities is highly sensitive to variations in environmental conditions, but little is known about how the conditions control the role of fungal communities (i.e., their ecosystem funct...
Hutan Rimba Alam (HRA), Putrajaya is an urban forest which the habitat for various tropical rainforest species. A field survey was undertaken to state floristic composition, investigate soil characteristics and identify relationship between recorded plant communities characteristics. Six plots sized 10 × m square were established in a lowland area of 93 individual trees identified. Moreover, co...
Mangroves are essential ecosystems for the environment and home to a particular biological diversity. They face many constraints, in particular, that of invasion exotic species such as Nypa fruticans. The research aim consisted characterization Nipa palm traits Wouri estuary. study was carried out five points located main secondary streams River. Floristic statements were inside twenty-five plo...
This study applies a Back-Propagation Neural Network to the task of floristic land cover classification. The input data consists of the three LANDSAT TM bands 2, 4 and 7 and the GIS based environmental variables Aspect, Elevation, Catchment, Geology and Slope. This dataset covers a 225 square-km sub scene centred near the town of Kioloa, South East, Australia. The study area is complex compnsmg...
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