Fire

The Eastern and southeastern USA Threatened Conifer Region includes the Appalachian Province and the Atlantic and Gulf Coastal Plain Province. During repeated glaciations in the Pleistocene plants found refuge in the Appalachian Highlands hence the shared flora in this Region. The Appalachian Mountains, including the Smoky Mountains, is dominated by mixed mesophytic forest that include conifers such as Pinus strobus, P. resinosa, Tsuga canadensis, T. caroliniana and Taxus canadensis. At higher elevations the forests are dominated by Abies fraseri and Picea rubens but are now under stress due to acid rain and from invasive non-native pests. The coastal plains consist of extensive pines forests of P. rigida to the north, and P. palustris and P. elliottii to the south; threats here are related to fire which under natural conditions forms an integral part of the ecology. The coastal region is well known for its swamp forests of Virginia and Georgia where Taxodium distichum grows and for the narrow endemics Taxus floridanum and Torreya taxifolia which are among some of the most threatened conifers in the world.

Taxa in the category - Fire:

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Abies delavayi subsp. fansipanensis (Q.P.Xiang) Rushforth

This subspecies, described in 1997, is restricted to a single mountain in Northern Việt Nam. The main threats are its small population size and restricted distribution which make it potentially susceptible to stochastic events.  Read full species entry >

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Abies fabri (Mast.) W. G. Craib

Endemic to south-central China where acid rain is the most serious threat and is causing decline or death to many of the trees Read full species entry >

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Abies fraseri (Pursh) Poir.

Distributed in three States of eastern USA but as a result of severe infestation from the Balsam woolly adelgid, only one population remains unaffected Read full species entry >

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Abies hidalgensis Debreczy, Rácz & Guizar

Endemic to the State of Hidalgo in eastern Mexico where fire is a potential threat to the small population Read full species entry >

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Abies kawakamii (Hayata) T.Itô

A subtropical alpine fir restricted to a few areas in Taiwan. Climate change is likely to have a significant impact on this species. Currently it is assessed as Near Threatened Read full species entry >

Mature cones
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Abies nebrodensis (Lojac.) Mattei

A narrow endemic native to the Madonie Mountains of Sicily where the entire population consists of only 30 individuals. Read full species entry >

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Abies pinsapo Boiss.

The Spanish fir has two subspecies distributed in southern Spain and northern Morocco where threats include fire, grazing and climate change. Read full species entry >

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Abies pinsapo var. marocana (Trabut) Ceballos & Bolanos

The Moroccan fir is restricted to two small forests in the Rif Mountains of northern Morocco where over a period of 60 years it has suffered a 70% decline. Read full species entry >

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