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    Wyświetlanie 1-4 z 4
    Tytuł:
    Interakcje pomiędzy trzema gatunkami ssaków drapieżnych: jenotem, borsukiem i lisem - konkurencja czy koegzystencja?
    Interaction between three carnivore species: raccoon dog's badger's and red fox'es - competition or coexistence?
    Autorzy:
    Borowski, Z.
    Powiązania:
    https://bibliotekanauki.pl/articles/1019625.pdf
    Data publikacji:
    2006
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    koegzystencja
    lis
    drapiezniki
    lowiectwo
    Meles meles
    borsuk
    Nyctereutes procyonoides
    Vulpes vulpes
    lesnictwo
    jenot
    interakcje miedzy zwierzetami
    raccoon dog
    nyctereutes procyonoides
    european badger
    meles meles
    red fox
    vulpes vulpes
    interaction between carnivorous
    coexistence
    Opis:
    This article describes interaction between three carnivore species: raccoon dog's (Nyctereutes procyonoides), European badger's (Meles meles) and red fox'es (Vulpes vulpes) in Poland. Diets of the three predators studied in Białowieża Forest shows similarity but also differences in main food items. The red fox was the most and raccoon dog the last carnivorous of these three predators. In the Białowieża Forest red fox feed more small mammals, whereas European badger specialised in earthworms. Raccoon dog consumed mainly carcass, amphibians and reptiles. The food niches of raccoon dog and European badger overlapped more than the red fox and other species. Additionally, the three predatory mammals have different habitat niche breadth, which is closely correlated with their foraging strategies. Despite of that these 3 carnivore's species share many resources, and on the same area.
    Źródło:
    Sylwan; 2006, 150, 01; 58-66
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Przydatność danych z wyszukiwarki internetowej do analizy intensywności inwazji biologicznej na przykładzie szopa pracza
    Potential of data from the Internet search engine to analyze of biological invasion intensity on the example of Procyon lotor
    Autorzy:
    Dyderski, M.K.
    Biegańska, A.
    Królik, K.
    Rydzińska, S.
    Żychlińska, A.
    Kamieniarz, R.
    Skubis, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/989496.pdf
    Data publikacji:
    2016
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    zwierzeta lowne
    gatunki obce
    gatunki inwazyjne
    szop pracz
    Procyon lotor
    liczebnosc
    dane statystyczne
    wyszukiwarki internetowe
    model ARIMA
    raccoon
    invasive species
    predators
    hunting
    arima
    Opis:
    Biological invasions are one of the most important problems of nature conservation, which affect several branches of forestry and game management. In case of recent invasions, there is a problem with assessment of invasion intensity due to insufficient quantity of data. In Poland, eight of 31 game species are alien and three small predators are serious threat to biological diversity. The most recent of them is raccoon (Procyon lotor L.). Similarly to studies about rodents and flu, we tested potential of Google search engine to assess whether it may be used as a proxy for species abundance, by downloading search index of phrase 'szop pracz' (i.e. raccoon). We decomposed time series of search intensity in weak intervals into trend, seasonal and remainder, and identified sources of variability within these elements. We also proved, that this time series may be modeled using four moving average model, according to ARIMA technique. Seasonal element was connected with species biology – raccoon was recorded less frequently in winter, due to its lower activity in this time. Remainder was connected with entertainment and law regulation news in most popular websites, which resulted the peak of search index in 2009, when there was a change in length of hunting season for raccoon. Moreover, we proved that annual sums of search indices were positively correlated with hunting gain of raccoon (p<0.05; R²=0.34), thus studied time series is connected with biological phenomena of raccoon invasion. Our results show that search engine queries may be useful in predicting and reconstruction of biological invasions.
    Źródło:
    Sylwan; 2016, 160, 10; 822-828
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Intestinal and external parasites of raccoon dogs (Nyctereutes procyonoides) in western Poland
    Autorzy:
    Osten-Sacken, Natalia
    Słodkowicz-Kowalska, Anna
    Pacoń, Jarosław
    Skrzypczak, Łukasz
    Werner, Anna
    Powiązania:
    https://bibliotekanauki.pl/articles/972222.pdf
    Data publikacji:
    2017
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    intestinal parasites
    external parasites
    invasive species
    raccoon dogs
    Nyctereutes procyonoides
    Opis:
    Parasites of an invasive species, the raccoon dog (Nyctereutes procyonoides) from western Poland were investigated to clarify poorly known ecological key aspects of the species. The research was conducted in two study areas: the Ujście Warty National Park and the Bogdaniec Forestry District. Intestinal samples were collected from the intestinal tracks of 39 dead animals and 51 faecal samples were collected in all seasons from latrines of raccoon dogs. Macro-parasites, their eggs and protozoan parasites were investigated to assess the taxonomic composition of parasites, the level of infection and the risk of potential transfer of dangerous parasites from raccoon dogs to people and native species. Among parasites potentially dangerous for human and native mammal species, Toxocara canis was found in the intestines and T. canis eggs, Cryptosporidium sp. oocysts and Entamoeba sp. cysts were identified in faecal samples. Sarcoptic mange was observed in the skin of two animals, whereas Diptera larvae (probably from the family Gasterophilidae) were found in the intestines of two other animals. This latter finding is very interesting, because Gasterophilidae are the typical parasites in horses and ungulates, but so far were never found in raccoon dogs.
    Źródło:
    Annals of Parasitology; 2017, 63, 1; 37-44
    0043-5163
    Pojawia się w:
    Annals of Parasitology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    First record of Giardia assemblage D infection in farmed raccoon dogs (Nyctereutes procyonoides)
    Autorzy:
    Solarczyk, Piotr
    Majewska, Anna C.
    Jędrzejewski, Szymon
    Górecki, Marcin T.
    Nowicki, Sławomir
    Przysiecki, Piotr
    Powiązania:
    https://bibliotekanauki.pl/articles/989740.pdf
    Data publikacji:
    2016
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    giardia
    molecular genotyping
    raccoon dog
    Opis:
    The presence of Giardia genotypes was investigated in 18 raccoon dogs (Nyctereutes procyonoides) and 80 red foxes (Vulpes vulpes) on one farm. To demonstrate Giardia cysts, fresh and trichrome stained smears were microscopically screened. Two molecular markers were used for Giardia genotyping: a fragment of the beta-giardin gene and a fragment of the glutamate dehydrogenase gene. All faecal samples obtained from red foxes were negative. Giardia cysts were identified only in 2 of the 18 raccoon dogs. The result of genotyping and phylogenetic analysis showed that the G. duodenalis from both raccoon dogs belonged to the D assemblage. This finding of a new animal reservoir of G. duodenalis canids-specific genotypes is important in order to eliminate the risk of infecting other animals bred for fur. Further molecular analyses of Giardia isolates in raccoon dogs are required. The present study represents the first contribution to knowledge of G. duodenalis genotypes in raccoon dogs.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2016, 23, 4
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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