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The influence of natural and experimental disturbances on emergence and survival of seedlings in an oak-linden-hornbeam (tilio-carpinetum) forest

Pirożnikow E.

Polish Journal of Ecology

1998

Vol. 46, no 2

137-156

It has been demonstrated that gap formation in herb layer following experimental removal of herbs in an oak-linden-hornbeam forest doubled abundance of seedlings of all species in comparison with an undisturbed herb layer. Number of species recolonizing the gaps increased from 24 to 48. Herb removal allowed species rare in oak-linden-hornbeam forests (e.g. Rubus idaeus, Carex remota) to emerge. As a consequence of a natural disturbance (wild boar feeding, uprooted trees), species number decreased by 1.5 to 2 times. Disturbances resulting from uprooting trees did not contribute to the reduction of seedling density (comparing with the control plots), whereas boar feeding reduced the density by 1.5 to 6 times during succesive seasons.