Changes of the structure of forest phytocoenosis after clear-cutting of the declining spruce stand and evaluation of management methods in the forests of the Silesian Beskid Mts. (Western Carpathians)

Development of Silesian industry in 19th century became the reason of clearcutting thousand hectares of forests. These were: beech, beech-fir and beech-firspruce forests of the primeval Carpathian tree stands within the...

Monitoring ochrony i kształtowania krajobrazu w Bieszczadzkim Parku Narodowym i jego otulinie

Inwazyjny wtyk amerykański Leptoglossus occidentalis Heidemann, 1910 (Hemiptera: Heteroptera: Coreidae) – pierwsze stwierdzenie w Bieszczadzkim Parku Narodowym

Ecological education in the Polish national parks – data from 2010

In 23 Polish national parks high qualified educational staff works, having long time experience and offering wide range of educational programmes. There are 116 educational workers supported by 40 technical workers, and...

Nowe i rzadkie gatunki we florze Bieszczadów