Cupressaceae

Energy production and infrastructure development can have a severe detrimental effect on conifer habitats.  A recent surge in the global demand for metals has led to an increase in mining activities with open-cast mining or strip-mining and its associated activities causing severe environmental damage.  Conifer-rich forests are often affected by this type of mining for example, nickel mining on the Pacific island of New Caledonia. Hydroelectric schemes often cause habitat loss due to forest inundation or indirectly by the loss of downstream habitats through changes in water levels.  Over the past 100 years hydroelectric schemes are responsible for a 15% habitat loss of Lagarostrobos franklinii forest in Tasmania.  Logging activities invariably start with the construction of roads in order to gain access to timber and this can include up to 15% of the consumed logged area. This intrusion is often devastating, opening up the area for further development and as communities grow more infrastructure and services are required.

Taxa in the category - Cupressaceae:

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Athrotaxis cupressoides D.Don

Endemic to Tasmania where the main threats are fire, grazing of regeneration and dieback caused by Phytophthora Read full species entry >

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Athrotaxis selaginoides D.Don

One of two Athrotaxis species endemic to Tasmania where historically it has suffered from fire and logging. Today, even with protection, there is a continuing decline due to fire. Read full species entry >

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Callitris oblonga A.Rich. & Rich.

Endemic to Australia where it occurs on the mainland and Tasmania. Threats include  forest clearance, fire, grazing, invasive species and soil erosion. Read full species entry >

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Callitris sulcata (Parl.) Schltr.

One of two Callitris species endemic to New Caledonia; it is restricted to a few locations in the south of the main island of Grande Terre where its threatened by fire and logging Read full species entry >

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Calocedrus formosana (Florin) Florin

Endemic to Taiwan where the population has become severely fragmented through logging and forest clearance for agriculture. Read full species entry >

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Calocedrus macrolepis Kurz

A widespread species that has been exploited for timber and resin. Difficulties in estimating the extent of its decline and a lack of information about its staus is some parts of its range have resulted in an assessment of Near Threatened. Read full species entry >

Foliage
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Calocedrus rupestris Aver.,T.H.Nguyên & P.K.Lôc

Calocedrus rupestris was first described in 2008 from Việt Nam: prior to this Calocedrus trees occurring on limestone karst  were wrongly identified as Calocedrus macrolepis.  In 2011 C. rupestris was discovered in Guangxi. Threats include selective logging for timber, deforestation and forest degradation. Read full species entry >

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Chamaecyparis formosensis Matsum.

Endemic to Taiwan where logging for its valuable wood has been the main cause of decline in its population Read full species entry >

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