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Temperate rainforest

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Western hemlock rainforest, Gwaii Haanas, Canada

Temperate rainforests are rainforests with coniferous or broadleaf forests that occur in the temperate zone and receive heavy rain.

Temperate rainforests occur in oceanic moist regions around the world: the Pacific temperate rainforests of North American Pacific Northwest as well as the Appalachian temperate rainforest in the Appalachian region of the [[Uk in Lamington National Park, Queensland.jpg|alt=|thumb|Antarctic beech trees in Lamington National Park, Queensland, Australia]]

Dicksonia antarctica tree ferns in temperate rainforest in Tasmania, Australia

In Australia rainforests occur near the mainland east coast and in Tasmania. There are warm-temperate and cool-temperate rainforests. They are broadleaf evergreen forests with the exception of montane rainforests of Tasmania. Eucalypt forests are not classified as rainforests although some eucalypt forest types receive high annual rainfall (to over 2000 mm in Tasmania[1]), and in the absence of fire they may develop to rainforest. If these widespread wet sclerophyll forests were considered rainforests, the total area of rainforest in Australia would be much larger.[2]

Warm-temperate rainforest replaces subtropical rainforest on poorer soils or with increasing altitude and latitude in New South Wales and Victoria. Cool-temperate rainforests are widespread in Tasmania (Tasmanian temperate rainforests ecoregion) and they can be found scattered from the World Heritage listed Border Ranges National Park and Lamington National Park on the NSW/Queensland border to Otway Ranges, Strzelecki Ranges, Dandenong Ranges and Tarra Bulga in Victoria. In the northern NSW they are usually dominated by Antarctic Beech (Nothofagus moorei), in the southern NSW by Pinkwood (Eucryphia moorei) and Coachwood (Ceratopetalum apetalum) and in Victoria and Tasmania by Myrtle Beech (Nothofagus cunninghamii), Southern Sassafras (Atherosperma moschatum) and Mountain Ash (Eucalyptus regnans).[3] The montane rainforests of Tasmania are dominated by Tasmanian endemic conifers (mainly Athrotaxis spp.).[1] They are dominated by Ferns such as Cyathea cooperi, Cyathea australis, Dicksonia antarctica, Cyathea cunninghamii and Cyathea leichhardtiana.

New Zealand temperate rainforests

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The temperate rainforests of New Zealand occur on the western shore of the South Island and on the North Island. The forests are made up of coniferous podocarps and broadleaf evergreen trees. The podocarps are abundant at lower elevations, while southern beech (Nothofagus) can be found on higher slopes and in the cooler southernmost rainforests. Ecoregions include the Fiordland temperate forests and Westland temperate rainforests.

Fiordland National Park near Te Anau, New Zealand

References

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  1. ^ a b Reid, J. B. and Hill, R. S. (2005) Vegetation of Tasmania, Australian Biological Resources Study, ISBN 064644512X
  2. ^ Webb, Len (1 Oct 1959). "A Physiognomic Classification of Australian Rain Forests". Journal of Ecology. 47 (3). British Ecological Society : Journal of Ecology Vol. 47, No. 3, pp. 551-570: 551–570. Bibcode:1959JEcol..47..551W. doi:10.2307/2257290. JSTOR 2257290.
  3. ^ Harden, G., McDonald, B. & Williams, J. (2006). Rainforest Trees and Shrubs. Gwen Harden Publishing, Nambucca Heads. ISBN 978-0-9775553-0-7

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