Vulnerability of planted forests to biotic and abiotic disturbances |
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| Authors: | Gadgil Peter D Bain John |
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| Institution: | (1) Forest Health, Forest Research Institute, Rotorua, New Zealand;(2) Forest Research Institute, Rotorua, New Zealand |
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| Abstract: | Losses through reduced growth or mortality attributable to pests, diseases, and abiotic disturbances are generally less in intensively managed, planted forests than in natural forests. Among plantation forests, the most healthy forests are those of exotic species growing a long way from their native range (e.g., Pinus radiata D. Don in New Zealand) and the least healthy ones are those of indigenous species (e.g., Eucalyptus nitens (Deane & Maiden) Maiden in Tasmania). The better health of plantations is a reflection of the generally good growing conditions, the proper matching of site to species that is possible in artificial culture and in the case of exotic species, the freedom from the many pests and diseases present in the native habitat of exotics. |
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| Keywords: | disease forest health insects sustainability |
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