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Wyświetlanie 1-2 z 2
Tytuł:
Wpływ lesistości i rodzaju gleb na jakość osobniczą rogaczy sarny na terenie Kielecczyzny
Impact of forest cover and the soil type on the quality of male roe deer in the Kielce region
Autorzy:
Wajdzik, M.
Konieczny, G.
Nasiadka, P.
Szyjka, K.
Skubis, J.
Powiązania:
https://bibliotekanauki.pl/articles/989593.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
lowiectwo
zwierzeta lowne
sarna europejska
Capreolus capreolus
samce
rogacze
jakosc osobnicza
masa tuszy
masa poroza
dlugosc tyk
wymiary czaszki
czynniki siedliska
lesistosc
podloze glebowe
Kielecczyzna
roe deer
carcass
antlers
weight
forest cover
soil type
Opis:
The aim of the study was to verify the hypothesis that the quality of male roe deer hunted in the Kielce region depends on the selected characteristics of the place of their earlier habitat (forest cover, soil) and the age of the individuals. As a criteria to verify that hypothesis we chose carcass weight, weight and height of the antlers and skull dimensions. Material consisted of carcasses and antlers of 1349 bucks harvested in 169 hunting districts in the Kielce region (central Poland). We found that the individual quality of male roe deer was diverse. Significant impact was found for the forest cover, diversity of soil types and age of the individuals. Roe deer with the smallest carcass weight, having significantly lighter antlers occurred in areas with the forest cover of over 40% (tab. 1). In turn, in the filed−type circuits, where the forest cover does not exceed 20%, bucks were much heavier and imposed massive antlers (fig. 1). There was also evidence that in areas where the fertile soil dominated (rendzina and chernozems) individual quality of deer was significantly better than in districts where poor fawn and rust soils predominated (fig. 2). The examined environmental factors had the greatest impact on carcass or antlers weight, as well as the dimensions of deer skulls in case of the youngest bucks and their impact decreased with age. Optimum of the individual's development in terms of carcass weight and antler falls at the age of seven. Bucks harvested in the Kielce region, in comparison to the other populations in Poland, were characterized by good individual quality and slightly subsided only to individuals from the Lublin Upland (tab. 2).
Źródło:
Sylwan; 2016, 160, 05; 424-432
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ współczesnych ruchów pionowych podłoża na zmiany parametrów geotechnicznych gruntów spoistych, niespoistych i organicznych
Influence of contemporary vertical movements of the soil substrate on changes of geotechnical parameters of cohesive, non-cohesive and organic soils
Autorzy:
Kaszubowski, Leszek Józef
Powiązania:
https://bibliotekanauki.pl/articles/2076158.pdf
Data publikacji:
2021
Wydawca:
Państwowy Instytut Geologiczny – Państwowy Instytut Badawczy
Tematy:
badania inżynieryjno-geologiczne
parametry geotechniczne
podłoże glebowe
współczesne ruchy pionowe
strefy zagęszczania gruntów
badania georadarowe
GPR
engineering-geological research
geotechnical parameters
soil substrate
contemporary vertical movements
zones ofcompacting soils
georadar research
Opis:
The author presents the results of engineering-geological research carried out along of the Sierpowa St. in the area of Ostrów Grabowski in Szczecin, and along Nowomyśliwska St in Międzyzdroje. The analysis relates to geological drillings and soundings carried out using an SL for non-cohesive soils and the results of tests with the PSO-1 field rotary probe in organic soils. Additionally, the author presents examples of various geophysical investigations to recognize the influence of present-day vertical movements of the soil substrate, which have a significant effect on the instability of many parts of the existing civil engineering infrastructure, and can contribute to serious accidents or even disasters. The phenomenon of modern vertical movements of the soil substrate could have an impact on changing the geotechnical parameters of cohesive, non-cohesive and organic soils, such as the index of density (degree of density), the volume density, angle of internal friction and shear strength in the zones of compacting soils (ZDS). This dangerous phenomenon can have a negative impact on the stability of current or planned roads and highways, and building constructions. An important research element is also to learn about the characteristics of the formation of zones of decompacting soils, including the diversity of their internal structure. In the existing zones of decompacting soils, the values of the geotechnical parameters decrease. It should be noted that the genesis of the formation of modern vertical movements of the soil substrate in the micro scale, analysed by the author is not well understood and requires further detailed research.
Źródło:
Przegląd Geologiczny; 2021, 69, 12; 812--824
0033-2151
Pojawia się w:
Przegląd Geologiczny
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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