2007
DOI: 10.3112/erdkunde.2007.04.05
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Biodiversity of the alpine vascular flora of the N.W. North American Cordillera: the evidence from phyto-geography

Abstract: Biodiversität der alpinen Gefäßpflanzenflora der nordwestlichen nordamerikanischen Kordillere: Belege einer vegetationsgeographischen Betrachtung Am Ende der Late Wisconsin-Vereisung stand der alpinen Gefäßpflanzenflora lediglich ein Zeitraum von ca. 3.500 Jahren zur Verfügung, um das sich ca. 1.600 km erstreckende, ehemals vergletscherte Gebiet im westlichen Kanada wieder zu besiedeln, bevor die Temperaturen zu einer Isolierung in einzelnen Gebirgsregionen führten. In diesem Artikel werden die Ursprungsgebiet… Show more

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Cited by 22 publications
(26 citation statements)
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“…Such land bridges acted as dispersal routes for plants and animals (e.g. Harris, ; Hosner, Braun, & Kimball, ). From the late Miocene to the present, multiple alternations of cold and warm periods caused the successive formation and disappearance of land bridges between continents in a relatively short period (Harris, , ).…”
Section: Introductionmentioning
confidence: 99%
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“…Such land bridges acted as dispersal routes for plants and animals (e.g. Harris, ; Hosner, Braun, & Kimball, ). From the late Miocene to the present, multiple alternations of cold and warm periods caused the successive formation and disappearance of land bridges between continents in a relatively short period (Harris, , ).…”
Section: Introductionmentioning
confidence: 99%
“…Harris, ; Hosner, Braun, & Kimball, ). From the late Miocene to the present, multiple alternations of cold and warm periods caused the successive formation and disappearance of land bridges between continents in a relatively short period (Harris, , ). Within the Northern Hemisphere, glacial periods produced the closure of the Bering Strait and the appearance of the Beringian land bridge which connected Asia and North America (Brikiatis, ) as a result of ice formation and a drop in sea level (Hopkins, ).…”
Section: Introductionmentioning
confidence: 99%
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“…The warming induced upward shifts of species occur along latitudinal [7] and altitudinal [8] clines. A number of studies have suggested alpine plants to have evolved adaptations in response to the long-term climate change from the Pleistocene to late Holocene epochs [9], [10]. Low temperature is considered as the main controlling factor of alpine plant life in a mountain ecosystem [11], [12].…”
Section: Introductionmentioning
confidence: 99%
“…In a study of the increase in size of the avalanche tracks in the Vermilion Pass, Winterbottom (1974) demonstrated that the avalanches were more than double the size of the present-day tracks in the recent past, based on the evidence of the mixed up materials (soil layers, logs, roots, rock, organic matter) in the soil profile. Again, the high precipitation area around the Sunshine Ski Area in Banff National Park has double the number of vascular plant species of the lower precipitation areas to the north and south (Harris, 2007;2008). It is therefore acting as a refugium for species that require higher precipitation and had migrated into the region after deglaciation but before the present reduction in precipitation.…”
Section: Contemporary Desiccation In Western Canadamentioning
confidence: 99%