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Wyświetlanie 1-5 z 5
Tytuł:
Wieloletnia zmienność odpływu z małej zlewni rzecznej w regionie Puszczy Kozienickiej
Long-term variability of runoff from a small catchment in the region of the Kozienice Forest
Autorzy:
Banasik, K.
Hejduk, L.
Hejduk, A.
Kaznowska, E.
Banasik, J.
Byczkowski, A.
Powiązania:
https://bibliotekanauki.pl/articles/994346.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
Puszcza Kozienicka
zlewnie rzek
zlewnie male
zlewnia Zagozdzonki
opady atmosferyczne
zmiennosc opadow
odplyw wody
zmiennosc odplywu
forested watershed
climate change
runoff decrease
trend analysis
Opis:
Kozienice Forest (central Poland) belongs to very valuable areas from touristic and ecological point of view. Water resources are important factor of further development of this region. Analysis of 49−year (1963−2011) annual and seasonal rainfall and runoff characteristics from a small (82 km²) catchment of Zagożdżonka River, with forestation ratio of 0.40, indicated a statistically significant decrease for six of the nine considered parameters. Mann−Kendall test was used for trend analysis. Decreased trend was indicated for annual runoff and annual runoff coefficient, median discharge, summer half−year runoff coefficient, median summer discharge and for low mean 30−day discharge. No trend was detected for annual precipitation and summer half year precipitation nor for summer half year runoff.
Źródło:
Sylwan; 2013, 157, 08; 578-586
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Zróżnicowanie zespołów ryb w małych rzekach położonych na terenach zalesionych i niezalesionych
Diversity of fish fauna in small rivers located in forested and non-forested areas
Autorzy:
Rechulicz, J.
Płaska, W.
Powiązania:
https://bibliotekanauki.pl/articles/989259.pdf
Data publikacji:
2016
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
tereny lesne
tereny niezalesione
zlewnie rzek
cieki wodne
rzeki
fauna
ryby
bogactwo gatunkowe
wskazniki roznorodnosci
zageszczenie zwierzat
ichthyofauna
species richness
streams
habitat
forest catchment basin
Opis:
The knowledge on the ichthyofauna community in forest complexes in our country is mainly limited to few information on fish species found in rivers and reservoirs located in the protected areas. Hence, the aim of present study was to evaluate the importance of forested and non−forested areas, which include small rivers, on the occurrence of fish communities. The main criteria of evaluation were species richness, biodiversity and density of fish from rivers located in forested and non−forested areas in Roztocze and Puszcza Solska (south−eastern of Poland). The 12 study sites in the two groups of small rivers located on forested and non−forested areas were chosen (tab. 1). The control fishing was performed by electrofishing using IUP−12 gear. The total of 779 individuals of fish and lamprey belonging to 22 species were caught during the study. In the sections of rivers located in non−forested areas we noted 18 species, while in the rivers in forested areas – 16 ones. The analysis of the abundance domination showed that the dominant species in the rivers sections on non−forested areas were perch, roach and gudgeon, while in rivers located in forested areas: gudgeon, dace and brown trout. Simultaneously, in abundance of fish fauna from rivers in forested area a significant share of eastern sculpin, burbot and European brook lamprey were noted. The fish communities from both habitats showed similar values of biological diversity indices, but slightly higher density was observed in the rivers located in non−forested areas. The fish species composition was highly dependent on the close surroundings of the watercourse and the type of riparian zone. For the habitats from river located in non−forested areas the common, associated with aquaculture and also invasive fish species were characteristic. However, in the rivers in wooded areas, the typical for small streams and the rheophilic fish species were more frequent. The results of present study showed, that the largest differences in the dominance in fish structure and indicators of fidelity to the habitat preferences between the groups of rivers were determined.
Źródło:
Sylwan; 2016, 160, 04; 344-352
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Wpływ wiatrołomu i degradacji drzewostanu na zróżnicowanie chemizmu wód w zlewni Potoku Kościeliskiego w obszarze Tatrzańskiego Parku Narodowego
Effect of wind damage to tree stands on spatial differences in water chemistry in the Koscieliski Stream catchment in the Tatra National Park
Autorzy:
Żelazny, M.
Siwek, J.P.
Fidelus, J.
Stańczyk, T.
Siwek, J.
Rutkowska, A.
Kruk, P.
Wolanin, A.
Jelonkiewicz, L.
Powiązania:
https://bibliotekanauki.pl/articles/987105.pdf
Data publikacji:
2017
Wydawca:
Polskie Towarzystwo Leśne
Tematy:
lesnictwo
parki narodowe
Tatrzanski Park Narodowy
wiatrolomy
degradacja drzewostanow
wylesienia
zlewnie rzek
zlewnia Potoku Koscieliskiego
wody odplywowe
sklad chemiczny
azotany
zmiany skladu chemicznego
water chemistry
nitrate
deforestation
tatra national park
Opis:
The study focused on the effects of deforestation by heavy winds and tree stand damage produced by bark beetle invasion on water chemistry of mountainous catchment of Kościeliski Stream in the Tatra National Park (southern Poland). 200 samples of stream and spring water were collected in three series: in July, August and October 2015. Water samples obtained from areas characterized by tree stand damage caused by heavy winds were found to have much higher mean concentration of nitrate (15.44 mg/L) as well as a much higher overall mean nitrate content (3.44% mval/L) than samples obtained from non−deforested areas (3.26 mg/L and 0.78% mval/L). The increase in nitrate concentration and its share in overall water chemistry was high enough that the anion sequence for the deforested areas became altered from HCO3>SO4>NO3>Cl to HCO3>NO3> SO4>Cl. The mean change in water nitrate concentration in areas with tree stands damaged by the bark beetle was smaller (6.17 mg/L; 1.60% mval/L) than that for areas deforested by wind. The concentration of NO3 – in stream water in deforested areas varied more than that in stream water in non−deforested areas.
Źródło:
Sylwan; 2017, 161, 01; 27-33
0039-7660
Pojawia się w:
Sylwan
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-5 z 5

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