Decline of eucalypt trees in tablelands of New South Wales, Australia  

作　　者：ZHANG Yan-hua SUN Li-fu Ken C. Hodgkinson 

机构地区：[1]Faculty of Life Science, Shaoxing College of Arts and Sciences, Shaoxing 312000, P. R. China [2]Division of Sustainable Ecosystems, Commonwealth Science ＆ Industry Research Organization, ACT2601, Australia

出　　处：《Journal of Forestry Research》2005年第4期306-310,共5页林业研究（英文版）

基　　金：This study was supported by CSC (Chinese Scholarship Communi ), CSIRO and Australia-China Council

摘　　要：Eucalyptus species are the native and major plant group in Australian landscapes. Since European settlement, eucalypt trees heavily decline in the tablelands .of New South Wales. Tree recruitment bog down and the landscape ecosystem hardly recovers to the original state. This paper introduces the history of eucalypt trees and native shrubs decline, analyzes reasons of seedling recruitment decrease in this region, such as clearing, grazing, fire, competition from exotic species, dieback, insects, drought and so on, and summarizes the probable conditions of eucalypt tree recruitment, such as suitable conditions of seedling survival, sufficient seed supply, keep from predation, suitable germination conditions, non-grazed environment, mechanical treatment, weed control, fire regime, disease control etc, lending suggests how to preserve and encourage eucalypt trees recruitment in the area.Eucalyptus species are the native and major plant group in Australian landscapes. Since European settlement, eucalypt trees heavily decline in the tablelands .of New South Wales. Tree recruitment bog down and the landscape ecosystem hardly recovers to the original state. This paper introduces the history of eucalypt trees and native shrubs decline, analyzes reasons of seedling recruitment decrease in this region, such as clearing, grazing, fire, competition from exotic species, dieback, insects, drought and so on, and summarizes the probable conditions of eucalypt tree recruitment, such as suitable conditions of seedling survival, sufficient seed supply, keep from predation, suitable germination conditions, non-grazed environment, mechanical treatment, weed control, fire regime, disease control etc, lending suggests how to preserve and encourage eucalypt trees recruitment in the area.

关 键 词：EUCALYPT DECLINE RECRUITMENT 

分 类 号：S792.39[农业科学—林木遗传育种]