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Since the beginning of XIX century a considerable number of Douglas fir populations from North America were introduced to many European countries. In France, Douglas fir is still going to increase significantly its participation in growing stock and wood harvest. There are also some countries (e.g. the Netherlands), where the interest in breeding and silviculture of Douglas fir have been decreased...
In 2012 the Nikita Botanical Gardens celebrated their 200th Anniversary. Today it is one of the oldest and best botanical gardens in the Ukraine. The southern Crimean coast is most attractive in both its landscape and natural beauty. Tracing the history of the Nikita Botanical Gardens it is evident that nature and culture are intertwined, which influenced the decision to establish the botanical garden...
W celu skutecznego rozwiązywania problemu inwazji biologicznych konieczne jest gromadzenie i wymiana informacji o obcych gatunkach. Od 1999 r. w Instytucie Ochrony Przyrody PAN rozwijana jest baza danych „Gatunki obce w Polsce”. Do chwili obecnej wprowadzono do niej informacje o 1060 gatunkach obcych roślin, zwierząt i grzybów. Dla części z nich zebrano dane o biologii, przyczynie, miejscu i czasie...
The Glinna Dendrological Garden, established in 1880, is situated in north-western part of Poland, in mild climate (USDA Zone 7). In 1938 the collection included 55 species of trees and shrubs, in the post-war period the garden was partially abandoned and neglected, the number of species, often very valuable and big trees, decreased to about 35 taxa. Results of 40-years activity in the garden, under...
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