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Wyświetlanie 1-3 z 3
Tytuł:
Rekreacyjna funkcja lasów Nadleśnictwa Krynki w opinii publicznej
Recreational function of forests in the Krynki Forest District in the public opinion
Autorzy:
Gołos, P.
Sikora, A.T.
Konieczny, A.A.
Powiązania:
https://bibliotekanauki.pl/articles/979375.pdf
Data publikacji:
2019
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lasy
funkcje lasu
funkcje rekreacyjne
zagospodarowanie rekreacyjne
opinia publiczna
leśnictwo
Nadleśnictwo Krynki
RDLP Białystok
timber quality variation
defects
pinus sylvesrtis
Opis:
The aim of the research was to determine the impact of selected habitat and age features on the qualitative properties of Scots pine (Pinus sylvestris L.). The research was carried out on forest stands from the Olesno, Wymiarki and Kalisz Pomorski forest districts (western Poland). The collected data provided information on technical and dimensional properties as well as quality classes for logs from Scots pine stands. The severity of the occurrence of seven basic wood defects, identified on the perimeter and length of the model log was identified and described. The collected data was used to determine the distribution of defect groups. For distributions of defect groups, normal distribution criteria were met. For the Scots pine assortments, the ANOVA showed that the hypothesis of the occurrence of an equal number of defects on the side of the logs in three separated classes of WA0, WB0 and WC0 of the quality of the raw material should be rejected. For the Tukey test, the results indicate that there is no reason to reject this hypothesis. The obtained p−value in this case is 0.09 for WB0 and WC0. There was no influence of the diameter of the logs and the habitat on the number of defects. Number of defect groups is correlated with the distance from the butt in Kalisz Pomorski and Wymiarki forest districts but not in Olesno. In that case the increase in the number of defect groups has its maximum in the zone of 6−8 m of the log length.
Źródło:
Sylwan; 2019, 163, 11; 913-923
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zagrożenia dla ekosystemu leśnego i odwiedzających obszary leśne w opinii turystów w Nadleśnictwie Krynki
Threats to the forest ecosystem and visitors in forest areas in the opinion of tourist in the Krynki Forest District
Autorzy:
Konieczny, A.A.
Gołos, P.
Sikora, A.T.
Powiązania:
https://bibliotekanauki.pl/articles/974060.pdf
Data publikacji:
2020
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lasy
leśnictwo
zagrożenia lasu
zagrożenia człowieka
turyści
opinia społeczna
ekosystemy leśne
Nadleśnictwo Krynki
quantitative survey of public opinion
threats to the forest ecosystem
threats to tourists
Opis:
The paper presents declarative opinions of 239 tourists who visited the area of the Krynki Forest District in July−September 2013. The opinions were collected in direct interviews using of a questionnaire. The analysis distinguished two groups of respondents: 135 people (56,5%) who visited the forest district for the first time, and 104 respondents (43,5%) for whom it was the subsequent visit. We analysed the opinion of tourists on such problems as: (1) anthropogenic threats to the forest ecosystem, (2) factors constituting a threat to visitors to forest areas, and (3) forms of recreation and rest that can be implemented in forest areas. To examine the significance of mean differences between analysed groups of respondents that differ in experience and hypothetical readiness to declare the amount of WTP> 0, the Mann−Whitney test was used. Respondents considered forest fires and garbage left in the forest as the greatest threat to forest ecosystems, while among factors threatening people resting in forest areas, respondents pointed to the natural factors such as vipers, ticks and mosquitoes. Respondents considered that admissible forms of recreation and rest in forest areas are sport and cross−country races, horse riding and cycling, while ones that pose a threat to forest ecosystems, e.g. organization of mass events or bonfires and family events with barbecue, should be prohibited. No impact on differences in the opinions declared by the respondents, their tourist experience or readiness to declare the amount of WTP was disclosed.
Źródło:
Sylwan; 2020, 164, 01; 25-31
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
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
    Wyświetlanie 1-3 z 3

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