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    Wyświetlanie 1-5 z 5
    Tytuł:
    Trichinellosis in Italy [1988-1993]
    Autorzy:
    Pozio, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/2151560.pdf
    Data publikacji:
    1994
    Wydawca:
    Polskie Towarzystwo Parazytologiczne
    Tematy:
    parasite
    wild habitat
    Italy
    trichinellosis
    Vulpes vulpes
    epidemiology
    Trichinella britovi
    Trichinella spiralis
    fox
    Źródło:
    Wiadomości Parazytologiczne; 1994, 40, 4; 392
    0043-5163
    Pojawia się w:
    Wiadomości Parazytologiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The number and abundance of ichneumonidae (Hymenoptera, Apocrita) subfamilies occurring in apple orchards and on their edges
    Autorzy:
    Piekarska-Boniecka, H.
    Zyprych-Walczak, J.
    Rzańska-Wieczorek, M.
    Dinh, D.T.
    Siatkowski, I.
    Powiązania:
    https://bibliotekanauki.pl/articles/11896262.pdf
    Data publikacji:
    2018
    Wydawca:
    Uniwersytet Przyrodniczy w Lublinie. Wydawnictwo Uniwersytetu Przyrodniczego w Lublinie
    Tematy:
    Czempin town
    Gluchowo village
    Gorzyczki village
    plant habitat
    plant environment
    apple orchard
    wild plant
    plant diversity
    insect
    Hymenoptera
    Apocrita
    Ichneumonidae
    Campopleginae
    Cryptinae
    Orthocentrinae
    Pimplinae
    beneficial insect
    parasitoid
    animal number
    insect abundance
    animal-plant interaction
    ecological research
    Opis:
    Plant communities which form orchard edges are a vital element of ecological infrastructure enriching these agrocenoses. The research was conducted in an orchard environment made up of apple orchards and their edges in the form of agricultural cultivations, tree clumps and a road lined with trees and shrubberies. The study aim was to determine the impact of the orchard edge plant diversity onto the number and abundance of Ichneumonidae subfamilies in the orchards. The study showed that orchard environments made up of an apple orchard and edge plants of various species create better living conditions for Ichneumonidae parasitoids than the environment of an orchard and neighbouring agricultural cultivations. The diversity of orchard edge plants positively influences the abundance of the Ichneumonidae subfamilies rather than the number of subfamilies in the orchard. In the orchard habitat the following dominant subfamilies were found: Campopleginae, Cryptinae, Orthocentrinae and Pimplinae. These entomophages may control the abundance of pests infesting orchards.
    Źródło:
    Acta Scientiarum Polonorum. Hortorum Cultus; 2018, 17, 2; 93-103
    1644-0692
    Pojawia się w:
    Acta Scientiarum Polonorum. Hortorum Cultus
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Genetic diversity of wild Thymus capitatus (Lamiaceae) in Tunisia using molecular markers
    Autorzy:
    Ben El Hadj Ali, I.
    Guetat, A.
    Boussaid, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/41663.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Instytut Dendrologii PAN
    Tematy:
    genetic diversity
    wild plant
    Thymus capitatus
    Lamiaceae
    Tunisia
    molecular marker
    habitat fragmentation
    conservation strategy
    genetic structure
    Opis:
    In Tunisia, Thymus capitatus L. populations are severely destroyed due to deforestation and over-collecting. The species occurs in small scattered populations decreasing progressively in size. Yet, no conservation or improvement programs are attempted to preserve and promote the potential value of this resource. In this work, we assessed the genetic diversity of nine Tunisian populations of Thymus capitatus L. from different bioclimates, using 103 polymorphic randomly amplified polymorphic DNA (RAPD) loci. The analysis of the genetic variation within and among populations is primordial to elaborate conservation and improvement programs. The species showed a low diversity within populations (0.276
    Źródło:
    Dendrobiology; 2012, 68
    1641-1307
    Pojawia się w:
    Dendrobiology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Annual reproductive cycle in two free living populations of three-spined stickleback (Gasterosteus aculeatus L.): patterns of ovarian and testicular development
    Autorzy:
    Sokolowska, E.
    Kulczykowska, E.
    Powiązania:
    https://bibliotekanauki.pl/articles/47889.pdf
    Data publikacji:
    2006
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    free living population
    stickleback
    gonad
    environment change
    reproductive cycle
    wild population
    Oliva Stream
    natural habitat
    fresh water
    breeding
    Vistula River
    Gasterosteus aculeatus
    spermatogenesis
    vitellogenesis
    Opis:
    The annual reproductive cycle in two wild populations of three-spined stickleback was studied. Sticklebacks from the Dead Vistula River (Martwa Wisła) (brackish water) and the Oliva Stream (Potok Oliwski) (freshwater) were exposed to annual environmental changes in their natural habitats. Ovaries and livers (females), and testes and kidneys (males) were collected during 1–2 years. The gonadosomatic IG, hepatosomatic IH, nephrosomatic IN indices, kidney epithelium height (KEH) and size of oocytes were calculated. The number of mature oocytes and percentage of ovulating females were determined during the spawning season. Histological changes in the ovaries and testes were described throughout a year. Annual reproductive cycles were similar in both populations of sticklebacks. This is the first histological and morphological study carried out throughout a year, simultaneously in two wild populations of three-spined sticklebacks inhabiting different environments. An improved scale of gonadal development in conjunction with the determined indices and fecundity give a comprehensive description of the reproductive cycle. These newobserv ations, in combination with previously reported features, provide a universal scale that can be successfully used to distinguish all phases of gametogenesis in sticklebacks in different habitats.
    Źródło:
    Oceanologia; 2006, 48, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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