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    Wyświetlanie 1-4 z 4
    Tytuł:
    Association of water-borne conidial fungi with epiphytic tree fern [Drynaria quercifolia]
    Autorzy:
    Karamchand, K S
    Sridhar, K.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/66978.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    fungi association
    conidial fungi
    epiphytic tree fern
    Drynaria quercifolia
    aquatic fungi
    tree fern
    diversity
    conidium
    canopy
    hyphomycete
    Opis:
    The live and dead tissues, and trapped leaf litter by the epiphytic tree fern Drynaria quercifolia associated with riparian tree species of Konaje (west coast) and Sampaje (Western Ghat) streams of India during dry (summer) and wet (monsoon) seasons yielded 37 species of water-borne conidial fungi on bubble chamber incubation. Dead bracket leaves of fern possess the highest species as well as conidia in Konaje, while the trapped leaf litter in Sampaje. During summer, the diversity was highest in bracket leaves in both locations, while in monsoon season it was highest in rhizomes of Konaje and in trapped leaf litter in Sampaje. Even though the conidial output from tissues of Drynaria and trapped leaf litter were not equivalent to stream submerged leaf litter, the species richness ranged between 40% and 75% in Konaje and Sampaje streams. As stable epiphyte, Drynaria exposed to wet and dry regimes in tree canopies of west coast and Western Ghats likely to serve as host for perfect states of water-borne hyphomycetes.
    Źródło:
    Acta Mycologica; 2009, 44, 1; 19-27
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Macrofungi of wooded patches in the agricultural landscape. I. Species diversity
    Grzyby wielkoowocnikowe zadrzewien srodpolnych w krajobrazie rolniczym. I. Roznorodnosc gatunkowa
    Autorzy:
    Kujawa, A
    Powiązania:
    https://bibliotekanauki.pl/articles/67311.pdf
    Data publikacji:
    2009
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    macrofungi
    wooded patch
    agricultural landscape
    species diversity
    tree
    nature conservation
    fungi community
    Opis:
    This article begins a four-part series, which presents the results of mycological research carried out in 2000-2007 in the agricultural landscape of the General Dezydery Chłapowski Landscape Park. This part includes description of the study area and field research methods, as well as a list and localities of 617 macrofungal taxa recorded in the Park. The next parts of this series will deal with: species that are rare, protected by law or recorded for the first time in Poland; the role of wooded patches for preservation of fungal diversity in the agricultural landscape; and changes in species diversity and structure of fungal communities in forest communities under strong human pressure.
    Powyższy artykuł jest pierwszym z serii czterech artykułów prezentujących wyniki badań nad grzybami wielkoowocnikowymi przeprowadzonych w krajobrazie rolniczym Wielkopolski. W latach 2000-2007 badano różnorodność gatunkową grzybów wielkoowocnikowych zadrzewień śródpolnych, parków wiejskich i lasów gospodarczych w Parku Krajobrazowym im. gen. Dezyderego Chłapowskiego. Przez trzy lata badania prowadzono na 50 stałych powierzchniach. Przez cały okres badań zbierano też grzyby poza stałymi powierzchniami. Stwierdzono występowanie 569 taksonów macromycetes, a po uwzględnieniu nielicznych danych z literatury liczba znanych taksonów z tego terenu wynosi 615. W pierwszym artykule zawarto opis terenu badań oraz wykaz gatunków i ich lokalizację. Kolejne artykuły będą dotyczyły: gatunków chronionych, rzadkich oraz stwierdzonych w Polsce po raz pierwszy,• roli zbiorowisk drzewiastych w ochronie różnorodności gatunkowej grzybów wielkoowoc• nikowych w krajobrazie rolniczym, zmian w różnorodności gatunkowej i strukturze zbiorowisk grzybów w zbiorowiskach le• śnych będących pod wpływem silnej antropopresji.
    Źródło:
    Acta Mycologica; 2009, 44, 1; 49-75
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Changes in plant species composition in abandoned and restored limestone grasslands - the effects of tree and shrub cutting
    Autorzy:
    Dzwonko, Z
    Loster, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/57086.pdf
    Data publikacji:
    2008
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    cutting
    Polska
    grassland
    secondary succession
    restoration
    species diversity
    species composition
    tree
    composition change
    plant species
    shrub
    time series
    botany
    permanent plot
    Opis:
    Abandoned semi-natural limestone grasslands are often overgrown by shrubs and trees. Little is know if and to what extant xerothermic limestone grasslands can be restored by tree cutting. This was tested in a 12-year experiment after the clearing of a 35-year-old secondary pine wood developed on unmanaged grassland in the close proximity of not overgrown old grassland. After 12 years, there were no significant differences in the number of field layer species on the plots in the old and restored grasslands. But over this period the number of meadow species increased in all sites, while the number of xerothermic calcareous species increased significantly only in the old grassland plots. The developing shrub layer negatively influenced the number of nitrophilous and ruderal species in grasslands restored in the former close and open woods, and the number of all species, including the number of non-tufted perennials and perennials with vegetative spread, in the former open wood. The number of meadow species increased in years with higher precipitation in late spring and early summer. The obtained results suggest that in overgrowing grasslands shrubs and trees should be cut every few years, before their covers increase to about 30%. However, this treatment alone will not stop the changes to communities with dominance of tall and vegetatively spreading grasses and forbs. Cutting trees and shrubs in sites where most grassland species have already vanished, without additional managements supporting their dispersal, seedling recruitment and development, is not sufficient to restore limestone grasslands rich in xerothermic species.
    Źródło:
    Acta Societatis Botanicorum Poloniae; 2008, 77, 1
    0001-6977
    2083-9480
    Pojawia się w:
    Acta Societatis Botanicorum Poloniae
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Water-borne hyphomycetes in tree canopies of Kaiga (Western Ghats), India
    Autorzy:
    Sudheep, N.M.
    Sridhar, K.R.
    Powiązania:
    https://bibliotekanauki.pl/articles/67068.pdf
    Data publikacji:
    2010
    Wydawca:
    Polskie Towarzystwo Botaniczne
    Tematy:
    water-borne hyphomycete
    hyphomycete
    diversity
    conidium
    leaf litter
    sediment
    stemflow
    tree canopy
    Kaiga
    Western Ghats
    India
    life cycle
    aquatic habitat
    canopy
    Opis:
    The canopy samples such as trapped leaf litter, trapped sediment (during summer), stemflow and throughfall (during monsoon) from five common riparian tree species (Artocarpus heterophyllus, Cassia fistula, Ficus recemosa, Syzygium caryophyllatum and Xylia xylocarpa) in Kaiga forest stand of the Western Ghats of southwest India were evaluated for the occurrence of water-borne hyphomycetes. Partially decomposed trapped leaf litter was incubated in bubble chambers followed by filtration to assess conidial output. Sediments accumulated in tree holes or junction of branches were shaken with sterile leaf disks in distilled water followed by incubation of leaf disks in bubble chamber and filtration to find out colonized fungi. Stemflow and throughfall samples were filtered directly to collect free conidia. From five canopy niches, a total of 29 water-borne hyphomycetes were recovered. The species richness was higher in stemflow and throughfall than trapped leaf litter and sediments (14-16 vs. 6-10 species). Although sediments of Syzygium caryophyllatum were acidic (5.1), the conidial output was higher than other tree species. Stemflow and throughfall of Xylea xylocarpa even though alkaline (8.5-8.7) showed higher species richness (6-12 species) as well as conidial load than rest of the tree species. Flagellospora curvula and Triscelophorus acuminatus were common in trapped leaf litter and sediments respectively, while conidia of Anguillospora crassa and A. longissima were frequent in stemflow and throughfall. Diversity of water-borne hyphomycetes was highest in throughfall of Xylea xylocarpa followed by throughfall of Ficus recemosa. Our study reconfirms the occurrence and survival of diverse water-borne hyphomycetes in different niches of riparian tree canopies of the Western Ghats during wet and dry regimes and predicts their possible role in canopy as saprophytes, endophytes and alternation of life cycle between canopy and aquatic habitats.
    Źródło:
    Acta Mycologica; 2010, 45, 2
    0001-625X
    2353-074X
    Pojawia się w:
    Acta Mycologica
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-4 z 4

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