Not to be confused with Populus tremuloides, the American aspen, also called trembling aspen and quaking aspen.
Populus tremula (commonly called aspen, common aspen, Eurasian aspen, European aspen, or quaking aspen)[2] is a species of poplar native to cool temperate regions of the Old World.
Populus tremula
Conservation status
Least Concern (IUCN 3.1)[1]
Scientific classification
Kingdom:
Plantae
Clade:
Tracheophytes
Clade:
Angiosperms
Clade:
Eudicots
Clade:
Rosids
Order:
Malpighiales
Family:
Salicaceae
Genus:
Populus
Section:
Populus sect. Populus
Species:
P. tremula
Binomial name
Populus tremula
L.
Distribution map
Username: Lotfor Published on 2024-12-13 00:57:53 ID NUMBER: 126773
It's estimated that the world's entire population, 1,000 years ago, was 300,000,000 - about the same number as the United States in 2006. In 1804, eight hundred years after reaching the 300 million mark, the world's population arrived at one billion people for the first time - it then took another century, in 1927, to hit 2 billion. The twentieth century, however, saw the world's population numbers skyrocket; 3 billion in 1959, 4 billion in 1974; 5 billion in 1987, 6 billion in 1998, and then 7 billion by the end of 2011. It was estimated there were 8 Billion(!) of us by the end of 2022. The United Nations estimates the world's population will reach approximately 10 billion by 2100. At this time the world averages around 200,000 births each and every day - the equivalent of one-and-a-half cities the size of Los Angeles being added to the planet every single month! As of this writing China, India, and the United States remain the most populated countries on the planet with India expected to pass up China in 2025...
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Selection from South Dakota State University. A large, vigorous, cottonless male tree to 70 feet in height on favorable sites, spreading crown in open areas but with a tall, central trunk when crowded. Selected for leaf rust resistance.
A large spreading tree reaching 60 to 90 feet in height and 40 to 60 feet in spread. This native specie occurs along waterways and wet meadows throughout the Plains states. Greater drought and alkalinity tolerance than many of the euramericana hybrid poplar cultivars. Produces seed in tufts of "cotton".
Aspen trees gorw fairly straight and become clear of lower limbs over time. Sometimes called trembling aspen because their leaves tremble in a light breeze due to their flattened petioles. Most extensive native range of any tree in North America. Rapidly recolonizes disturbed sites (after fire, logging, etc.) The largest tree in North Dakota is 70 feet tall with a canopy spread of 39 feet.
