- Tytuł:
-
Ujęcie wpływu właściwości gleb piaszczystych na bonitację drzewostanów sosnowych w południowo-zachodniej Polsce w modelach regresji
Regression models for impact of soil properties on site index class of Scots pine (Pinus sylvestris L.) stands in south-western Poland - Autorzy:
-
Sewerniak, P.
Piernik, A. - Powiązania:
- https://bibliotekanauki.pl/articles/1008712.pdf
- Data publikacji:
- 2012
- Wydawca:
- Polskie Towarzystwo Leśne
- Tematy:
-
lesnictwo
gleby lesne
gleby piaszczyste
uziarnienie gleby
wlasciwosci chemiczne
odczyn gleby
zawartosc azotu
zawartosc potasu
zawartosc weglanu wapnia
poziom prochniczny gleby
miazszosc
oglejenie gleby
drzewostany sosnowe
bonitacja drzewostanow
modele regresyjne
drzewa lesne
sosna zwyczajna
Pinus sylvestris
wzrost roslin
Polska Poludniowo-Zachodnia
soil
pinus sylvestris
site index
tree growth
regression models - Opis:
- The research was conducted in 268 pine stands on soils of sandy texture. In the paper 6 regression models for site index of Scots pine (Pinus sylvestris L.) were presented. The soil properties enclosed in the models explained to 40−60% of the site index variability. In the regression analyses, the following soil properties were found to be the best variables that described the site index: pHKCl, contents of fine textural fractions, content of K and N, CaCO3 content, soil moisture conditions reflected in gleying occurrence in a soil profile and a thickness of a solum or of a humus horizon (depending on the site moisture). The CaCO3 content was found to be a useful variable for the site index models only unless other chemical soil parameters were available. In such cases occurrence of CaCO3 in models reflects an impact of K and Mg soil content on pine growth that results from strong intercorrelations between Ca, K and Mg contents in the investigated soils. The site index was higher when pine stands were overgrowing gleyic than non−gleyic soils. In the presented regression models the difference was estimated to be about 1.5 m.
- Źródło:
-
Sylwan; 2012, 156, 08; 563-571
0039-7660 - Pojawia się w:
- Sylwan
- Dostawca treści:
- Biblioteka Nauki
Artykuł