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The hybrid with Populus alba (white poplar), known as grey poplar, Populus × canescens, is widely found in Europe and central Asia. Hybrids with several other aspens have also been bred at forestry research institutes in order to find trees with greater timber production and disease resistance (e.g. P. tremula × P. tremuloides, bred in ...
Populus tremuloides is a deciduous tree native to cooler areas of North America, one of several species referred to by the common name aspen. It is commonly called quaking aspen , [ 2 ] [ 3 ] [ 4 ] trembling aspen , [ 2 ] [ 3 ] American aspen , [ 3 ] mountain or golden aspen , [ 5 ] trembling poplar , [ 5 ] white poplar , [ 5 ] and popple , [ 5 ...
Populus adenopoda – Chinese aspen (China, south of P. tremula) Populus davidiana – Korean aspen (Eastern Asia) Populus grandidentata – Bigtooth aspen (eastern North America, south of P. tremuloides) Populus sieboldii – Japanese aspen [2] (Japan) Populus tremula – Eurasian aspen (northern Europe and Asia)
GMO poplars (interspecific hybrid Populus tremula x P. alba, female clones of the subspecies Cultivar/INRA line #717-1B4) have been created and tested by INRA (after authorization for release [22]) since the 1990s, with the hope of producing low-lignin wood of interest to papermakers, [23] or so-called second-generation biofuels, [24] or that ...
Populus is a genus of 25–30 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere.English names variously applied to different species include poplar (/ ˈ p ɒ p l ər /), aspen, and cottonwood.
The flies tend to live in woodland and wetland populated by Alnus, [22] Salix, [23] Populus tremula and Alnus viridis scrub up to 2,000 metres (6,600 ft) in the Alps. [24] Flowers visited by adults include Anemone nemorosa , Potentilla erecta , Prunus cerasus , Prunus spinosus , Ranunculus , Rhododendron aureum , Rubus idaeus , Salix .
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The technique enables precise counting, rather than rough estimation, of the number of animals in a population. It also allows researchers to perform longitudinal studies of individuals over many years, yielding data about the lifecycle, lifespan, migration patterns, and social relationships of the animals.