FERN
FERN, the Forests and the European Union Resource Network, is an international
non-governmental organization created in 1995 to keep track of the
EU’s involvement in forests and to co-ordinate NGO activities at the European level. Through its work, FERN aims to increase the political and economic opportunities for people to create a more balanced society in which human rights are fully respected and environmental and social values are fully integrated.
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Fern
This article is about the group of pteridophyte plants. For the environmental organisation, see
FERN (NGO). For the letter of the
Ogham alphabet, see
Fern (letter). A fern is any one of a group of about 20,000
species of
plants classified in the phylum or division Pteridophyta, also known as Filicophyta. The group is also referred to as polypodiophyta, or polypodiopsida when treated as a subdivision of
tracheophyta (vascular plants). The study of ferns is called pteridology, and one who studies ferns is called a pteridologist. The term "
pteridophyte" has traditionally been used to describe all seedless
vascular plants, making it synonymous with "ferns and
fern allies". This can be confusing since members of the fern phylum Pteridophyta are also sometimes referred to as pteridophytes.
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Filicophyta
Farne
Forests and the European Union Resource Network
Forests and the European Union Resource Network (FERN) ist eine europäische Umwelt-NGO mit Sitz in
Brüssel, die sich im Bereich der
Forstpolitik der EU betätigt. Sie wurde im Jahre 1995 vom World Rainforest Movement gegründet und kooriniert eine Reihe europäischer Netzwerke von NGOs. FERN versteht sich als Mittler zwischen NGOs und der EU, und beobachtet und informiert andere Organisationen und interessiere Privatpersonen über relevante Entwicklungen auf EU-Ebene. Die Organisation ist auch für die Publikation einiger Studien zu forstpolitischen Fragestellungen bekannt, denen sich andere NGOs bedienen, z.B. zu Fragen
forstlicher Zertifizierung.
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Fern
Paprotniki
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Pteridophyta
Le Pteridofite, dette anche
Crittogame vascolari o
Cormofite crittogame, sono piante già evolute che comprendono un fusto, delle vere radici e foglie, e dei vasi. Sono difatti le prime piante terrestri che hanno cominciato a differenziare un sistema di trasporto dei fluidi, permettendo così un ulteriore accrescimento in altezza(a differenza delle Briofite che, essendo le piante terrestri meno evolute non sono riuscite ad affrancarsi totalmente dalla vita acquatica). Le Pteridofite sono organismi aplodiplonti con alternanza di generazioni antitetiche eteromorfiche con netto predominio dello sporofito sul gametofito.
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