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    Wyświetlanie 1-7 z 7
    Tytuł:
    Bocian bialy (Ciconia ciconia) na Ziemi Łowickiej
    White stork (Ciconia ciconia) in the Łowicz District
    Autorzy:
    Wojciechowski, Zbigniew
    Powiązania:
    https://bibliotekanauki.pl/articles/1038255.pdf
    Data publikacji:
    1992
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    Having analysed materials collected in the Łowicz District in 1968 1970, 1974, 1975, 1983 and 1984 the author proved the occurrence of a continuous increase in the number of nests which were not occupied by pairs and nests which had no breeding success. Since 1970 the total number of nestlings which left their nests has also been on the decrease. Between 1970 and 1975 the density of pairs calculated for 100 km2 increased from 11.37 to 14.00 and then decreased to 10.39 in 1984. Positive changes in density were preceded by a high efficiency of breeding, while negative ones by a low efficiency. Since 1970 an increase in the number of nests built on the poles of electric traction has been observed. The author has proved that in places where groupings of nests (HP) consisted of more than 5 ones and when the distances between nearest ones did not exceed 1.5 km, intraspecific competition was the most significant factor limiting the efficiency of breeding.
    Źródło:
    Acta Universitatis Lodziensis. Folia Zoologica; 1992, 1
    1230-0527
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Zoologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Charakterystyka wybranych parametrów populacyjnych bociana białego (Ciconia ciconia) w środkowej Polsce
    Characterization of the selected population parameters of the white stork (Ciconia ciconia) In Central Poland
    Autorzy:
    Wojciechowski, Zbigniew
    Markowski, Janusz
    Powiązania:
    https://bibliotekanauki.pl/articles/1038163.pdf
    Data publikacji:
    1992
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    On the basis of the so far collected and/or published data on the White Stork of central Poland (the Łódź Upland) the authors undertook an attempt to explain the spatial and tem poral distribution of breeding efficiency, population density as well as nests localization and nest distribution in relation to human settlements. The efficiency of White Stork breeding depends on biotopic conditions and interspecific competition. Precipitation in spring has a positive while precipitation and low temperatures in June a negative impact on interspecific competition. Habitat conditions of the White Stork have begun to display a constant tendency to decrease in quality, mainly due to land draining. The interspecific competition depends on biotopic conditions and on density. Optimal habitat conditions, including weather ones, may largely neutralize the impact of the intraspecific competition, which enables the population an increase in density, leading even to the appearance of aggregations and colonies. A deterioration in habitat conditions increases interspecific competition, which decreases breeding success to a lower extent than that which could be expected, caused decomposition of aggregations and decrease in the density of breeding pairs. The appearance of a nest outside of the settlement area is a result of interspecific competition.
    Źródło:
    Acta Universitatis Lodziensis. Folia Zoologica; 1992, 1
    1230-0527
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Zoologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Najważniejsze ostoje ptaków na Ziemi Łódzkiej
    The most important bird areas in the Łódź District
    Autorzy:
    Janiszewski, Tomasz
    Wojciechowski, Zbigniew
    Markowski, Janusz
    Powiązania:
    https://bibliotekanauki.pl/articles/970661.pdf
    Data publikacji:
    2002
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    The eight areas of European or/and domestic importance for birds of Central Poland are presented in this paper. Jeziorsko and Sulejów Reservoirs; valleys of Pilica, Bzura, Ner and Grabia rivers; ponds in Walewice and ponds near Łowicz "Okręt” and "Rydwan” as well as Pilicka Forest and Zaięcze Landscape Park are described in the respect of bird communities and their potential risk assessment. Criteria for identification of other areas of local importance are proposed and 10 subsequent areas fulfilling them are listed.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2002, 1; 227-251
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ptaki szponiaste (Falconiformes) gniazdujące na terenie Lasu Łagiew nickiego w latach 2009-2010
    Breeding raptors in Łagiewniki forest in 2009-2010
    Autorzy:
    Krajewski, Łukasz
    Janiszewski, Tomasz
    Wojciechowski, Zbigniew
    Powiązania:
    https://bibliotekanauki.pl/articles/970668.pdf
    Data publikacji:
    2006
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    urban birds
    raptors (Falconiformes)
    number
    breeding
    ptaki miast
    ptaki szponiaste (falconiformes)
    liczebność
    gniazdowanie
    Łódź
    Opis:
    Three breeding species of raptors were observed in Łagiewnicki Forest in 2009-2010 (number of breeding pairs): Common Buzzard Buleo buteo (5-6 pairs), Goshawk Accipiter gentilis (5 pairs), Sparrowhawk A ccipiter nisus (6 - 8 pairs). In the paper, the changes in raptor’s number during last 50 years are described and possible reasons of the changes are discussed.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2006, Supplementum; 151-159
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stan zbadania awifauny Wyżyny Łódzkiej
    Current knowledge of the Łódź Upland avifauna
    Autorzy:
    Markowski, Janusz
    Wojciechowski, Zbigniew
    Markowska, Maria
    Janiszewski, Tomasz
    Powiązania:
    https://bibliotekanauki.pl/articles/970660.pdf
    Data publikacji:
    2002
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Opis:
    The authors evaluated the state of the knowledge of the Łódź Upland (about 18 000 km 2) avifauna. The total of 278 bird species was recorded by authors in the study area since the last century. After 1945, the total of 267 species were recorded, including 180 breeding species. According to the authors’ estimates about 11% of the area was investigated more preciously. The best investigated regions are: the Bzura river valley, 219 species were recorded including 165 breeding ones, the Pilica river valley, where the respective values are 211 and 158, region of the Jeziorsko Reservoir - 247 observed species and 152 breeding ones, the vicinities of the locality of Rogów with 118 breeding species and the Łódź city area with 125 breeding species. The Łódź Upland has been the place o f breeding for some rare birds in Poland: Cormorant, Purple Heron, Lesser Spotted Eagle, Hen Harrier, Montague’s Harrier, Curlew, Ruff, Herring Gull, White-winged Tern, Whiskered Tern, Crane, Stonechat, Collared Flycatcher, Aquatic Warbler, Bearded Tit.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2002, 1; 253-278
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    30-Year-Long Changes in Terrestrial Vertebrate Fauna of Niebieskie Źródła (Blue Springs) Nature Reserve in Tomaszów Mazowiecki, Central Poland
    Autorzy:
    Wojciechowski, Zbigniew
    Markowski, Janusz
    Janiszewski, Tomasz
    Hejduk, Janusz
    Powiązania:
    https://bibliotekanauki.pl/articles/764960.pdf
    Data publikacji:
    2010
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    diversity
    species richness
    terrestrial vertebrate community
    bird community changes
    nature reserve
    Opis:
    The article focuses on changes in terrestrial vertebrate fauna of Niebieskie Źródła (Blue Springs) Nature Reserve that occurred between two censuses carried out in the area. The first census was carried out in the period of 1968-1970, and the second census in the period of 1998-1999. In 1998-1999 the occurrence of four species of amphibians, 41 of birds and 15 of mammals was recorded. In comparison with investigations from 1968-1970 two species of amphibians, two species of mammals, and nine species of birds were found to have disappeared from the reserve. In the census carried out in 1998 and 1999 we recorded 22 new species of vertebrates: one new species of amphibian, five species of mammals, and 16 species of birds. The recent observations showed a decline in the abundance of amphibian species in the reserve, especially in the closest vicinity to the urban development around the city of Tomaszów Mazowiecki. The quantitative data on birds showed an increase in the numbers and abundance, which was mainly pronounced in the group of forest species, especially cavity and shrub nesters. We suggest that these changes are directly related to the succession of forest vegetation and its developing vertical structure, as well as to an increase in the forestation of the reserve area.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2010, 6; 117-136
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Waloryzacja przyrodnicza Łodzi w oparciu o skład awifauny lęgowej
    Environmental evaluation of Łódź basing on breeding avifauna composition
    Autorzy:
    Janiszewski, Tomasz
    Wojciechowski, Zbigniew
    Markowski, Janusz
    Podlaszczuk, Patrycja
    Powiązania:
    https://bibliotekanauki.pl/articles/970747.pdf
    Data publikacji:
    2006
    Wydawca:
    Uniwersytet Łódzki. Wydawnictwo Uniwersytetu Łódzkiego
    Tematy:
    breeding birds
    key birds
    urban birds
    Łódź avifauna
    evaluation
    ptaki lęgowe
    ptaki kluczowe
    ptaki miast
    waloryzacja
    awifauna Łodzi
    Opis:
    The evaluation was conducted using the bird species richness and occurrence of the key species. The key species were: 1. Species endangered globally according to IU CN/BirdLife International criteria, 2. Species of European Conservation Concern (C ategory 1-3), 3. Species from Annex I of Council Directive on the Convention of Wild Birds (79/409/EEC) 4. Species from Polish Red Animal Book, 5. Species which frequency of occurrence in Poland is < 10% according to Atlas of Breeding Birds in Poland data, 6 . Species which number of Polish breeding population is less than 1000 pairs. The key species breed in all kinds of habitats in Łódź. The most valuable habitats are weakly urbanized areas of river valleys and forest habitats with old tree-stands. Among the habitats the most endangered by changes are: river valleys and farmland areas.
    Źródło:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica; 2006, Supplementum; 113-131
    1730-2366
    2083-8484
    Pojawia się w:
    Acta Universitatis Lodziensis. Folia Biologica et Oecologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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