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La morphogenese periglaciaire dans les vallees fluviales du Plateau de Lodz et sa differentiation dans le temps et dans l'espace

100%

Turkowska K.

Biuletyn Peryglacjalny

1994

tom 33

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Health condition of Norway spruce Picea abies (L.) Karst. stands in the Beskid Mts

88%

Holusa J.

Dendrobiology

2004

tom 51 Supplement

The health condition of spruce stands in the Moravian-Silesian Beskids is affected by several predisposition factors, the most important of which is the allochthonous character of spruce grown on improper sites. When exposed to a low supply of nutrients and intensive mechanical damage mainly by game, the trees are susceptible to rot infestations, climatic agents and mechanical destruction by snow, hard rime and wind. At present, air pollution does not show any significant impact on the spruce stands; it rather acts as a less important predisposition factor on mountain peaks. The physiological condition of trees is not impaired to the extent which would facilitate infestation with phytophagous or cambioxylophagous insects.

Ograniczanie wyników

1 Biuletyn Peryglacjalny

1 Dendrobiology

1 Holusa J.

1 Turkowska K.

1 2004

1 1994

Wyniki wyszukiwania

La morphogenese periglaciaire dans les vallees fluviales du Plateau de Lodz et sa differentiation dans le temps et dans l'espace

Health condition of Norway spruce Picea abies (L.) Karst. stands in the Beskid Mts