[article]
| Titre : |
Some Microclimatic Characteristics of Habitats of Endemic and Disjunct Bryophytes in the Southern Blue Ridge |
| Type de document : |
texte imprimé |
| Auteurs : |
W.-D. Billings, Auteur ; Lewis Anderson, Auteur |
| Année de publication : |
1966 |
| Article en page(s) : |
pp. 76-95 |
| Langues : |
Anglais (eng) |
| Mots-clés : |
Canyons bryophyte Precipitation Escarpments conditions météorologiques Microclimates Highlands Pine trees Ridges paléoclimatologie |
| Résumé : |
"Precipitation and maximum and minimum temperatures (air and bryophyte layer) were measured for six-month periods for two and one-half years in the gorge region of the southern Blue Ridge notable for its rich bryophytic flora with many endemics and disjunct species with tropical affinities. Stations were maintained both in and outside the gorges. The region receives high precipitation (85-100 inches per year) which is very reliable from year to year. There is some indication that the highest rainfall is at the heads of the gorges near the top of the lower escarpment (2,500-3,000 feet elevation). Both air and bryophyte temperatures in the gorges were more moderate than those outside. High temperatures never occurred within the gorges, and the gorge bryophyte habitats never dried out as did the bryophyte habitats on the ridges and in the valleys below. This mild, wet mountain environment is unique in eastern North America. It is postulated that the endemic and disjunct "tropical" bryophytes remained in the gorges in relatively mild and moist microenvironments during the whole of the Pleistocene." |
| Type de publication : |
périodique |
| Référence biblio : |
Billings W.-D., Anderson L., 1966 - Some Microclimatic Characteristics of Habitats of Endemic and Disjunct Bryophytes in the Southern Blue Ridge. The Bryologist, 66 (1) : 76-95. |
| Permalink : |
http://www.cbnbrest.fr/catalogue_en_ligne/index.php?lvl=notice_display&id=66077 |
in The Bryologist > vol. 66, n°1 (Printemps 1966) . - pp. 76-95
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Partager le résultat de cette rechercheSome Microclimatic Characteristics of Habitats of Endemic and Disjunct Bryophytes in the Southern Blue Ridge in The Bryologist, vol. 66, n°1 (Printemps 1966)
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