Now showing items 1-2 of 2

    • Ochrona zasobów genowych a sukcesja roślinności w rezerwatach i parkach narodowych 

      Herbich, Jacek (Wydawnictwo Uniwersytetu Łódzkiego, 1986)
      An unexpected and uncontrollable succession of vegetation in national parks and reserves causes the impoverishment of a gene pool of plants. This process has been observed mainly in seminatural communities and distorted ...
    • Projekt ochrony chwastów polnych 

      Herbich, Jacek (Wydawnictwo Uniwersytetu Łódzkiego, 1986)
      The intensification of agriculture has led to a distinct regress of segetal weeds, particu larly of the specialized ones. The necessity to preserve a gene pool of th is group of the species results from scientific and ...