Evaluation on bio-diversity of the forest landscape in Liyang district
溧阳地区森林景观的生物多样性评价

Forest ecosystem diversity of the forest landscape and the species diversity of the main forest ecosystem types was studied.The research site Liyang district is a representative in forest vegetation and in social economy at that highly developed area.Based on this,the evaluation on the dynamic state of bio\|diversity of the forest landscape was assessed by calculating index W and index Z.The conclusion shows that the bio\|diversity level of the forest landscape in Liyang district comes down during the past twenty years.