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High precipitation levels, moderate year-round temperatures, and diverse terrain enable a wide range of species to survive. [5] [7] [11] The rainforest is more biodiverse than any temperate region of similar size in the world, with over 19,000 species identified in Great Smoky Mountains National Park alone.
In terms of biodiversity, the only comparable temperate deciduous forest regions in the world are in central China, Japan, and in the Caucasus Mountains.Both the Appalachians (along with the neighbouring Appalachian mixed mesophytic forests ecoregion) and central China contain relict habitats of an ancient forest that was once widespread over the Northern Hemisphere.
View of the temperate rain forest in Mount Revelstoke National Park, British Columbia, Canada. Butler, R. A. (2005) A Place Out of Time: Tropical Rainforests and the Perils They Face. Published online: Rainforests.mongabay.com; Richards, P. W. (1996). The tropical rain forest. 2nd ed. Cambridge University Press ISBN 0-521-42194-2
Soay sheep of varied colours. The Hirta population is unmanaged and has been the subject of scientific study since the 1950s. The population makes an ideal model subject for scientists researching evolution, population dynamics and demography because the population is unmanaged, is closed (no emigration or immigration) and has no significant competitors or predators.
When the canopy is in full bloom, covering about 95% of the floor, plant survival decreases. Some plant species have become shade tolerant in order to survive. The treetops take in the heavy amount of rain and keep the lower levels of the forest damp. The canopy survives through photosynthesis. The leaves provide energy and nutrients for the ...
In northern Idaho rainforest patches along the Clearwater River, a mean annual temperature of 5.4°C has been measured. [8] In British Columbian Inland rainforest areas, the mean annual temperature ranges from 2.7 to 4.5°C. In the coldest months, the mean temperature of these region lies between -8 and -9.5°C. [9]
Excelsior, or wood wool. Wood wool, known primarily as excelsior in North America, is a product made of wood slivers cut from logs. It is mainly used in packaging, for cooling pads in home evaporative cooling systems known as swamp coolers, for erosion control mats, and as a raw material for the production of other products such as bonded wood wool boards.
This is an accepted version of this page This is the latest accepted revision, reviewed on 1 February 2025. Textile fiber from the hair of sheep or other mammals For other uses, see Wool (disambiguation). Wool before processing Unshorn Merino sheep Shorn sheep Wool is the textile fiber obtained from sheep and other mammals, especially goats, rabbits, and camelids. The term may also refer to ...