New locality of Coeloglossum viride var. viride in the Western Bieszczady Mts. (SE Poland)

Coeloglossum viride is a rare species occurring mainly in southern and north-eastern Poland. Majority of localities from SE Poland have not been confirmed nowadays.This paper announces a new record of the species from th...

Materiały do flory mchów Bieszczadów Zachodnich (Karpaty Wschodnie)

The concept of monitoring of abundance and distribution of wolf Canis lupus in Poland

Under the Habitat Directive wolf requires species monitoring. Parameters that have to be monitored are: distribution of the species, the dynamics of the numbers and condition of the species’ habitat. Present wolf monitor...

Preliminary studies on the occurrence of the critical taxa of Crataegus L. and Rosa L. in fallow lands of the Przemyśl Foothills

The paper contains results of preliminary studies on the occurrence of critical species of roses and hawthorns in the fallow lands of the Pogórze Przemyskie (Przemyśl Foothills). It also presents the phytosociological de...

Changes in species composition of the "ora in riparian zone of watercourses in the Bieszczady National Park, as the effect of the European beaver activity