ML060940302: Difference between revisions

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{{#Wiki_filter:U.S. Fish & Wildlife Service HabitatWhy It's Threatened Threatened and Endangered SpeciesAmerican Hart's-Tongue Fern (Asplenium scolopendrium var. americanum)The American hart's-tonguefern is a federally threatened species. Threatened species are animals and plants that are
{{#Wiki_filter:U.S. Fish & Wildlife Service Threatened and Endangered Species American Harts-Tongue Fern (Asplenium scolopendrium var. americanum)
 
The American harts-tongue fern is a federally threatened species. Threatened species This fern can be found in            are animals and plants that are climates as different as            likely to become endangered in Canada and Alabama,                  the foreseeable future.
likely to become endangered in
suggesting that it had              Endangered species are ani-spread widely since the last        mals and plants that are in ice age.                            danger of becoming extinct.
 
Identifying, protecting, and restoring endangered and threatened species is the primary objective of the U.S. Fish and Wildlife Services endangered species program.
the foreseeable future.
Habitat                              This fern is found in close association with outcrops of dolomitic limestone, in coulees, gorges and in cool limestone sinkholes in mature hardwood forests. It requires high humidity and deep shade provided by mature forest canopies or overhanging rock                                 Photo by A. M. Evans cliffs. It prefers soils high in magnesium.
Endangered species are ani-mals and plants that are in danger of becoming extinct.
Why Its Threatened                  Although this plant is found over a very wide area, from Alabama to Canada, its populations tend to be very small and isolated due to its unique habitat. Because of its natural rarity, it is particularly vulnerable to disturbance. Many activities threaten the American harts-tongue.
 
Quarrying, recreation and residential development have all destroyed these plants and their habitat. Canadian populations are threatened by lumbering and the development of land for ski resorts and country estates, among U.S. Fish & Wildlife Service        other activities. By removing shade trees, logging raises light levels and Endangered Species Division          lowers humidity, decimating any American harts-tongue ferns in that area.
Identifying, protecting, and restoring endangered and threatened
1 Federal Drive Fort Snelling, Minnesota 55111-4056 612/713-5350 Federal Relay Service 1-800-877-8339 http://midwest.fws.gov/endangered                                                                                  1997}}
 
species is the primary objective of the U.S. Fish and Wildlife Service's endangered species
 
program.This fern is found in close association with outcrops of dolomitic limestone, in coulees, gorges and in cool limestone sinkholes in mature hardwood
 
forests. It requires high humidity and deep shade
 
provided by mature forest
 
canopies or overhanging rock cliffs. It prefers soils high in magnesium.Although this plant is found over a very wide area, from Alabama toCanada, its populations tend to be very small and isolated due to its unique habitat. Because of its natural rarity, it is particularly vulnerable to disturbance. Many activities threaten the American hart's-tongue.
Quarrying, recreation and residential development have all destroyed these plants and their habitat. Canadian populations are threatened by lumbering and the development of land for ski resorts and country estates, among other activities. By removing shade trees, logging raises light levels and lowers humidity, decimating any American hart's-tongue ferns in that area.U.S. Fish & Wildlife Service Endangered Species Division 1 Federal DriveFort Snelling, Minnesota 55111-4056 612/713-5350Federal Relay Service 1-800-877-8339 http://midwest.fws.gov/endangeredThis fern can be found in climates as different as
 
Canada and Alabama, suggesting that it had
 
spread widely since the last ice age.1997Photo by A. M. Evans}}

Latest revision as of 20:27, 23 November 2019

Fws 1997a, Website Reference Used in Chapter 2 NMP FSEIS
ML060940302
Person / Time
Site: Nine Mile Point  Constellation icon.png
Issue date: 06/06/1997
From:
US Dept of Interior, Fish & Wildlife Service
To:
Office of Nuclear Reactor Regulation
References
Download: ML060940302 (1)
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Text

U.S. Fish & Wildlife Service Threatened and Endangered Species American Harts-Tongue Fern (Asplenium scolopendrium var. americanum)

The American harts-tongue fern is a federally threatened species. Threatened species This fern can be found in are animals and plants that are climates as different as likely to become endangered in Canada and Alabama, the foreseeable future.

suggesting that it had Endangered species are ani-spread widely since the last mals and plants that are in ice age. danger of becoming extinct.

Identifying, protecting, and restoring endangered and threatened species is the primary objective of the U.S. Fish and Wildlife Services endangered species program.

Habitat This fern is found in close association with outcrops of dolomitic limestone, in coulees, gorges and in cool limestone sinkholes in mature hardwood forests. It requires high humidity and deep shade provided by mature forest canopies or overhanging rock Photo by A. M. Evans cliffs. It prefers soils high in magnesium.

Why Its Threatened Although this plant is found over a very wide area, from Alabama to Canada, its populations tend to be very small and isolated due to its unique habitat. Because of its natural rarity, it is particularly vulnerable to disturbance. Many activities threaten the American harts-tongue.

Quarrying, recreation and residential development have all destroyed these plants and their habitat. Canadian populations are threatened by lumbering and the development of land for ski resorts and country estates, among U.S. Fish & Wildlife Service other activities. By removing shade trees, logging raises light levels and Endangered Species Division lowers humidity, decimating any American harts-tongue ferns in that area.

1 Federal Drive Fort Snelling, Minnesota 55111-4056 612/713-5350 Federal Relay Service 1-800-877-8339 http://midwest.fws.gov/endangered 1997

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