A comparison of the production of the ground flora and of the rate of organic fall in two areas of the association Circaeo-Alnetum Oberd., 1953, in the Białowieża National Park

Aulak, Władysław

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A comparison of the production of the ground flora and of the rate of organic fall in two areas of the association Circaeo-Alnetum Oberd., 1953, in the Białowieża National Park Aulak, Władysław

Object structure

A comparison of the production of the ground flora and of the rate of organic fall in two areas of the association Circaeo-Alnetum Oberd., 1953, in the Białowieża National Park

Production and organic fall in Circaeo-Alnetum

Aulak, Władysław

Polska Akademia Nauk. Instytut Ekologii

Polish Scientific Publishers

Warszawa

1975

Pages 65-81 : illustrations ; 24 cm ; Bibliographical references (page 81) ; Abstract in Polish

Journal/Article

ground flora ; production ; organic fall ; Poland ; Białowieża National Park

In the Biatowieża National Park a study has been carried out to determine annual net production of the ground flora in two different areas of the association Circaeo-Alnetum Oberd., 1953, and the amount of organic fall accumulated during a three-year period. The value of the annual production of the ground flora in the area typical of the association was estimated at 1075 kg/ha, and the average amount of fall – at 4386 kg/ha. In the typical area of the association the ratio between the value of the fall and the production of the ground flora was 4.1, and in the degraded-association area – 1.9. The fall of seeds and woody parts was found to vary considerably from year to year, whereas the variation of the remaining fractions of the organic fall was much smaller. During a year in the association studied the total amount of matter, from the ground flora and the organic fall, returned to the soil is almost 5000 kg/ha.

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