Newly planted street tree growth and mortality
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Journal of Arboriculture. 16(5): 124-130.
Two-year growth and mortality rates were analyzed for 254 black locust, 199 southern magnolia and 27 London plane trees planted along a major boulevard extending from southern Berkeley through western inner-city Oakland, California. After the first two years, 34% of these newly planted trees were either dead or removed. The average annual mortality rate was 19% with no significant difference in mortality among the species or between years. Areas of lower socio-economic status exhibited the most tree mortality with pecent mortality most strongly correlated with percent unemployment (r=0.78). Trees with adjacent land uses of apartments and public greenspaces had significantly high mortality while trees next to single family houses and rapid transit stations exhibited low mortality.
Nowak, David J.; McBride, Joe R.; Beatty, Russell A. 1990. Newly planted street tree growth and mortality. Journal of Arboriculture. 16(5): 124-130.