Biodiversity effects and rates of spread of nonnative eucalypt woodlands in central California

Ecological Applications : a Publication of the Ecological Society of America
Susanne K ForkKerstin Wasson

Abstract

Woodlands comprised of planted, nonnative trees are increasing in extent globally, while native woodlands continue to decline due to human activities. The ecological impacts of planted woodlands may include changes to the communities of understory plants and animals found among these nonnative trees relative to native woodlands, as well as invasion of adjacent habitat areas through spread beyond the originally planted areas. Eucalypts (Eucalyptus spp.) are among the most widely planted trees worldwide, and are very common in California, USA. The goals of our investigation were to compare the biological communities of nonnative eucalypt woodlands to native oak woodlands in coastal central California, and to examine whether planted eucalypt groves have increased in size over the past decades. We assessed site and habitat attributes and characterized biological communities using understory plant, ground-dwelling arthropod, amphibian, and bird communities as indicators. Degree of difference between native and nonnative woodlands depended on the indicator used. Eucalypts had significantly greater canopy height and cover, and significantly lower cover by perennial plants and species richness of arthropods than oaks. Community composi...Continue Reading

References

May 11, 2002·Environmental Monitoring and Assessment·Anthony J PikDavid A Nipperess
May 3, 2006·Tree Physiology·Florian FritzscheGeorg Guggenberger
Jun 2, 2006·Environmental Management·Suzanne M LussierMichael Charpentier

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Citations

Mar 3, 2020·PeerJ·Obed Hernández-GómezErica B Rosenblum
Apr 17, 2021·American Journal of Botany·Kristen M NelsonJennifer M Yost

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