Hemiboreal

Hemiboreal means halfway between the temperate and subarctic (or boreal) zones. The term is most frequently used in the context of climates and ecosystems.

Botany

A hemiboreal forest has some characteristics of a boreal forest to the north, and also shares features with temperate-zone forests to the south. A significant number of nut species, such as aspens, oaks, maples, ash trees, birches, beeches, hazels, and hornbeams, can be found here.

Climate

The term sometimes denotes the form of climate characteristic of the zone of hemiboreal forests—specifically, the climates designated Dfb, Dwb and Dsb in the Köppen climate classification scheme. On occasion, it is applied to all areas that have long, cold winters and warm (but not hot) summers—which also including areas that are semiarid (BS) and arid (BW) based on average annual precipitation. It can also be applied to some areas with a subpolar oceanic climate (Cfc), particularly those with continental climate characteristics.

Examples

In the southernmost part of Finland, coniferous forests are lush and noble deciduous trees grow here and there. Hemiboreal coniferous forest in Helsinki Central Park; notice the species of grove in the field layer.

Examples of locations with hemiboreal climates or ecosystems include:

Much of southern Canada (all of southeastern Canada except for parts of southern Ontario as well as the central Prairie Provinces outside the grasslands)
Within the United States: most parts of Michigan, Wisconsin, and Minnesota, along with eastern North Dakota and the Adirondacks of New York State and Northern New England; also, many mountain areas in the western United States
The Southern Siberian rainforest in Russia includes hemiboreal forests^[1]
Parts of northeast China bordering Russia
Northern areas of Japan including Hokkaido
Parts of southern Norway and southern Sweden except the most southern municipalities
Latvia, Lithuania, Belarus and Estonia
Coastal zone and archipelago of Turku in Finland and region of Åland
The Australian Alps in eastern Victoria and southeastern New South Wales, which makes up a small portion in the southeastern region of the continent, and the Central Highlands in Tasmania
The Southern Alps in New Zealand's South Island
on the Wet Andes region located in the Southern Cone of South America, it has characteristics of a Mediterranean-influenced continental climate

References

^ Chytry, Milan, et al. "Diversity of Forest Vegetation Across a Strong Gradient of Climatic Continentality: Western Sayan Mountains, South Siberia." Plant Ecology (2007).

Grinde, Alexis R.; Niemi, Gerald J. (2016-09-01). "A synthesis of species interactions, metacommunities, and the conservation of avian diversity in hemiboreal and boreal forests". Journal of Avian Biology. 47 (5): 706–718. doi:10.1111/jav.01036. ISSN 0908-8857.
Clayden, Stephen R.; Cameron, Robert P.; McCarthy, John W. (2011), DellaSala, Dominick A. (ed.), "Perhumid Boreal and Hemiboreal Forests of Eastern Canada", Temperate and Boreal Rainforests of the World: Ecology and Conservation, Washington, DC: Island Press/Center for Resource Economics, pp. 111–131, doi:10.5822/978-1-61091-008-8_4, ISBN 978-1-61091-008-8, retrieved 2022-03-23

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[1] Chytry, Milan, et al. "Diversity of Forest Vegetation Across a Strong Gradient of Climatic Continentality: Western Sayan Mountains, South Siberia." Plant Ecology (2007).

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