Invertebrate community richness in New Zealand kiwifruit orchards under organic or integrated pest management

► There was a higher taxonomic richness of functional groups in organic than in IPM orchards ► More predators, parasitoids, herbivores, fungivores, and omnivores occurred in organic than in IPM orchards To compare the effects of two different forms of sustainable agriculture on native taxa, this stu...

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Bibliographic Details
Published in:Agriculture, ecosystems & environment ecosystems & environment, 2011-04, Vol.141 (1), p.32-38
Main Authors: Todd, Jacqui H., Malone, Louise A., McArdle, Brian H., Benge, Jayson, Poulton, Joanne, Thorpe, Stephen, Beggs, Jacqueline R.
Format: Article
Language:English
Subjects:
Agricultural and farming systems
Agronomy. Soil science and plant productions
Biological and medical sciences
Communities
ecosystem services
Ecosystems
Functional groups
Fundamental and applied biological sciences. Psychology
General agroecology
General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping
General agronomy. Plant production
Generalities. Agricultural and farming systems. Agricultural development
growing season
herbivores
indigenous species
integrated pest management
Invertebrata
Invertebrate assemblages
Invertebrates
Kiwifruit
Management
management systems
Native invertebrates
omnivores
Orchards
parasitoids
Pests
Phytopathology. Animal pests. Plant and forest protection
Predators
Sustainable agriculture
Taxonomic richness
trapping
traps
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Summary:► There was a higher taxonomic richness of functional groups in organic than in IPM orchards ► More predators, parasitoids, herbivores, fungivores, and omnivores occurred in organic than in IPM orchards To compare the effects of two different forms of sustainable agriculture on native taxa, this study assessed invertebrate communities in ten matched pairs of kiwifruit orchards managed under either organic or integrated pest management (IPM) systems in New Zealand. Three types of trap were used to collect as many different invertebrate taxa as possible in three trapping periods spread over the 2007/08 fruit growing season. A total of 602 taxa were identified in the samples. Significantly more taxa were collected from the organic orchards than the IPM orchards in all three periods. The invertebrate assemblages collected from the two orchard types were also significantly different in both January and March 2008. There was no significant difference in the proportions of native and endemic species collected from the two orchard types, although up to 40% of the identified species differed between the two management systems. Higher numbers of predators, parasitoids, herbivores, fungivores and omnivores in the organic orchards compared with those under IPM may indicate the presence of more resilient ecosystem services in these orchards.
ISSN:0167-8809
1873-2305
DOI:10.1016/j.agee.2011.02.007