Wyniki wyszukiwania

Wyszukiwano:
w słowach kluczowych: threatened bryophyte

Sortuj według:

Ogranicz wyniki do:

Artykuł dostępny w postaci pełnego tekstu - kliknij by otworzyć plik

Bryogeographical elements of moss flora in glacial cirques Sniezne Kotly [Karkonosze Mts.] and their threat

100%

Fudali E., Kucera J.

Acta Societatis Botanicorum Poloniae

2003

tom 72

nr 1

Based on geographical and ecological analysis of the present moss flora occurring in two contiguous glacial cirques Śnieżne Kotły (Western Karkonosze Mts.), the occurrence of 20 species representing arctic-alpine and subarctic-subalpine elements is discussed. The majority of (sub)arctic- (sub)alpine elements (70%) occurred sporadically or very rarely (no more than 5 records), which indicates their general threat. Nine historically recorded species of these geographic elements could not be retrieved during the recent survey, however four of the recently found species have not been found during the systematic survey of historical sites on the Czech, southern, side of Karkonosze Mts. This proves that the northern localization of Śnieżne Kotły cirques favours the survival of relict species. The question of relictness with respect to the Düll's phytogeographical characterization is discussed; only in ten of the (sub)arctic- (sub)alpine species the relict character could be considered as granted due to their present distribution range. The full list of the Śnieżne Kotły present moss flora with the brief characteristics of their ecological distribution has been included, first such attempt since 1930.

Ograniczanie wyników

1 Acta Societatis Botanicorum Poloniae

1 Fudali E.

1 Kucera J.

1 2003

Wyniki wyszukiwania

Bryogeographical elements of moss flora in glacial cirques Sniezne Kotly [Karkonosze Mts.] and their threat