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Wyświetlanie 1-4 z 4
Tytuł:
Threatened lichens of Lower Silesia, Poland
Autorzy:
Kossowska, M
Fabiszewski, J.
Powiązania:
https://bibliotekanauki.pl/articles/58203.pdf
Data publikacji:
2004
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Polska
threatened lichen
red list
lichen
Lower Silesian region
Opis:
A preliminary red list of threatened lichens of Lower Silesia (SW Poland) is presented. Species have been valuated according to the Red Data Book Categories (IUCN). The list comprises 602 taxa (ca. 60% of the whole lichen flora of Lower Silesia). 52 species are considered as rare (category R), 84 - as vulnerable (V), and 63 species - as endangered (E). The Silesian lichen flora is characterized by great numbers of taxa with extinct (Ex -140 taxa), and indeterminate (I - 263 taxa) categories.
Źródło:
Acta Societatis Botanicorum Poloniae; 2004, 73, 2
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Threat to arable weeds in Poland in the light of national and regional red lists.
Autorzy:
Bomanowska, Anna
Powiązania:
https://bibliotekanauki.pl/articles/2199572.pdf
Data publikacji:
2010-06-01
Wydawca:
Instytut Hodowli i Aklimatyzacji Roślin
Tematy:
arable flora
categories of threat
Polska
red list
threatened species
weed
Opis:
The objective for the study is to present the current threats of arable weeds in Poland. The analysis was conducted on the Polish red lists of arable species (3 national and 22 regional and local) prepared in the period 1994-2008. A total of 105 weeds have been considered as weeds threatened in Poland. All regional and local red lists included a joint total of 184 taxa. The particular regions have between 13 and 95 threatened taxa. The species most frequently appearing in the listings are: Agrostemma githago, Bromus secalinus and Camelina microcarpa. Five taxa (Bromus arvensis, Camelina alyssum, C. sativa, Cuscuta epilinum, Spergula arvensis subsp. maxima) are considered extinct on the national scale, while in the individual regions this number ranges from 1 to 15. A relatively high share is allocated on many regional and local red lists to taxa with an indeterminate level of threat. The conducted comparison shows that there is an urgent need to compile similar listings for the remaining areas of Poland, making it possible to create an updated and real listing of threatened weeds. At the same time, it is necessary to update the existing red lists and to adopt more precise quantitative criteria for the threat estimation, in accordance with the estimation parameters introduced by the IUCN and currently in force...
Źródło:
Plant Breeding and Seed Science; 2010, 61; 55-74
1429-3862
2083-599X
Pojawia się w:
Plant Breeding and Seed Science
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Unclear origin of the new locality of Chamaecytisus albus Rothm. [Hacq.] in Poland: a case study
Autorzy:
Przemyski, A
Piwowarski, B.
Powiązania:
https://bibliotekanauki.pl/articles/58651.pdf
Data publikacji:
2009
Wydawca:
Polskie Towarzystwo Botaniczne
Tematy:
Polska
rare species
red book
xerothermic grassland
Chamaecytisus albus
new station
European red list
Opis:
Chamaecytisus albus (Hacq.) Rothm. is an extremely rare species, which is inserted in many European red lists and red books. Its continuous range covers the south-eastern part of Europe. That species grows in intensely insolated and calcareous habitats of xerothermic grasslands. Only one station of White Broom had been known in the valley of the Bug river, near Hrubieszów, but in 2007 a new one was discovered near Jędrzejów. That station is located the farthest in the north and the west in Europe and it is completely detached from the continuous range.
Źródło:
Acta Societatis Botanicorum Poloniae; 2009, 78, 3; 235-239
0001-6977
2083-9480
Pojawia się w:
Acta Societatis Botanicorum Poloniae
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vascular plants of the Maly Borek Nature Reserve in the Augustow Forest (NE Poland)
Autorzy:
Pawlikowski, P.
Wolkowycki, D.
Zaniewski, P.
Dembicz, I.
Torzewski, K.
Zarzecki, R.
Cakala, A.
Kotowska, K.
Galus, M.
Topolska, K.
Kozub, L.
Powiązania:
https://bibliotekanauki.pl/articles/878343.pdf
Data publikacji:
2013
Wydawca:
Uniwersytet Przyrodniczy w Poznaniu
Tematy:
vascular plant
nature reserve
red list
species list
coniferous forest
indicator species
ancient forest plant species
Maly Borek Nature Reserve
Augustow Forest
Polska
Opis:
During the survey of the Mały Borek nature reserve (Augustów Forest, NE Poland) 236 species of vascular plants were recorded, including 10 plant species red-listed in Poland and 19 species protected under the Polish law. The most valuable species were sedges typical of the boreal coniferous forests: Carex vaginata, C. globularis and C. loliacea. The presence of neophytes was very limited (1,3% of the flora) in the area studied. The principal aim of the establishment of the reserve was the conservation of old-growth coniferous forests with long ecological continuity. Since the reserve studied consists mainly of old-growth coniferous forests, the number of species regarded as ancient forest indicators is lower (54 species) than in the well-preserved reserves with deciduous stands in north-east Poland, but still rather high. The most valuable, threatened species are bound to wetland forests that are presently disturbed due to drainage. Restoration of the former hydrological conditions is essential for the preservation of the vascular plants in the reserve.
Źródło:
Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana; 2013, 17
1896-1908
Pojawia się w:
Roczniki Akademii Rolniczej w Poznaniu. Botanika-Steciana
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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