Określenie dynamiki i kierunków zmian zgrupowań pająków (Aranei) zachodzących w procesie spontanicznego odtwarzania lasu

Forest ecosystems established on former agricultural lands are affected by pathogenic factors described as „chain disease”. The regeneration of such ecosystems lasts longer (ca by 30 to 50 years) as compared with the regeneration rate of stands growing on forest sites. One of the restoration methods of forest ecosystems is the leaving of fallow lands for natural succession. The paper is an attempt to find the dynamics and direction of changes that undergo in various developmental stages of natural succession on former agricultural lands by using zooindication indicators