英和和英

名詞

oligocratic (uncountable)

1. (ecology) The third and penultimate stage of interglacial forest development (Late-Temperate), characterized by shade-tolerant species that tolerate leaching of the soil.
   • 1982, John D. Hamaker, ‎Donald A. Weaver, The Survival of Civilization Depends Upon Our Solving Three Problems, page 64:

     Significantly, his pollen deposits reveal the conditions both in the oligocratic and the telocratic .

   • 2004, Richard John Huggett, Fundamentals of Biogeography, page 319:

     During the first part of the oligocratic stage, leaching of brown soils produces acid podzols that favour coniferous woodlands and heaths.

   • 2012, M. Ingrouille, Historical Ecology of the British Flora, page 76:

     Carpinus (hornbeam) behaved much more strongly as an oligocratic species than before; its pollen frequency not rising until quite late in the stage.

   • 2014, Antoinette Mannion, Global Environmental Change, page 71:

     Palaeoenvironmental evidence from northwest Europe indicates that the oligocratic phase of the interglacial cycle (Fig. 3.1) had begun by ca. 5K years BP.