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Wyszukujesz frazę "timber protection" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Wykorzystanie wapna do zabezpieczenia składowanego surowca świerkowego przed zasiedleniem przez owady kambio− i ksylofagiczne
The use of lime for protection of stocked spruce logs against the infestation by cambio- and xylophagous insects
Autorzy:
Grodzki, W.
Srokosz, K.
Latoń, R.
Powiązania:
https://bibliotekanauki.pl/articles/973160.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
ochrona drewna
zasiedlanie
opryski
ksylofagi
kambiofagi
wapno
skuteczność
drewno świerkowe
leśnictwo
dłużyce
spruce logs
bark beetles
timber protection
lime
Opis:
In April 2005, 2 sets by 3 stacks containing Norway spruce logs were exposed in sunny and shaded place within the forest. In each set logs in 2 stacks were sprayed with Ca(OH)2 aquatic dilution with the addition of milk and vegetable oil (1 stack as a whole, and 1 individually – log by log), and 1 left for control. At the end of June 9 insect species infesting the logs were found, among which the most frequent were Hylurgops palliatus (Gyll.) – 41,1% and Pityogenes chalcographus (L.) – 35,6%. The treated logs were less (sometimes – significantly) infested by the most frequently occurring species, but the difference between two variants of treatment was not very high. The logs exposed in sunny place were less infested than those stocked under stand canopy. As this environmentally friendly treatment reduced the infestation of logs by bark beetles (including I. typographus), it can be recommended especially for mountain areas under protection regime.
Źródło:
Sylwan; 2007, 151, 03; 52-58
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Historia i terazniejszosc zalesiania i odnawiania siewem
The history and the present status of afforestation and forest regeneration through seeding
Autorzy:
Łukaszewicz, J.
Gil, W.
Powiązania:
https://bibliotekanauki.pl/articles/973166.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
zalesianie
Pinus
odnowienia lasu
brzoza
odnowienia z siewu
sosna
buk
Quercus
Betula
Fagus
leśnictwo
dąb
spruce logs
bark beetles
timber protection
lime
Opis:
In April 2005, 2 sets by 3 stacks containing Norway spruce logs were exposed in sunny and shaded place within the forest. In each set logs in 2 stacks were sprayed with Ca(OH)2 aquatic dilution with the addition of milk and vegetable oil (1 stack as a whole, and 1 individually – log by log), and 1 left for control. At the end of June 9 insect species infesting the logs were found, among which the most frequent were Hylurgops palliatus (Gyll.) – 41,1% and Pityogenes chalcographus (L.) – 35,6%. The treated logs were less (sometimes – significantly) infested by the most frequently occurring species, but the difference between two variants of treatment was not very high. The logs exposed in sunny place were less infested than those stocked under stand canopy. As this environmentally friendly treatment reduced the infestation of logs by bark beetles (including I. typographus), it can be recommended especially for mountain areas under protection regime.
Źródło:
Sylwan; 2007, 151, 03; 11-22
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Struktura lasów przerębowych w wybranych regionach orograficznych Słowacji
The structure of selection stands in selected orographic regions of Slovakia
Autorzy:
Saniga, M.
Powiązania:
https://bibliotekanauki.pl/articles/1016923.pdf
Data publikacji:
2007
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
Beskidy Orawskie
lesnictwo
Tatry Niskie
Beskidy Kysudzkie
struktura drzewostanu
drzewostany przerebowe
zasobnosc drzewostanu
Slowacja
budowa drzewostanu
selection−managed stand
optimum standing volume
de liocourt's dbh− distribution
target dbh
forests
managed for timber production
protection forests
natural regeneration
Opis:
The structure and productive potential of selection−managed stands in Slovakia are very differentiated. They depend first of all on species composition and soil conditions. On the basis of recent research, including the present study, three groups of selection stands have been distinguished on the basis of their productive potential. Spruce stands managed under selection system with an optimum standing volume of 300−350 m3/hectare and target breast height diameter of 60 cm occur on poor soils (rankers) performing mainly protective functions. The spruce and spruce−fir stands managed under selection system with an optimum standing volume of over 450 m3/hectares and target dbh of 60−70 cm are typical for most of the selection stands in Slovakia. The multi−species selection stands with dominant fir, and fir stands with an optimum volume of 450 m3/hectares and target dbh of 74 cm are characteristic for the orographic Volovské vrchy region.
Źródło:
Sylwan; 2007, 151, 10; 54-66
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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