Bruus Pedersen, M.; Axelsen, Jørgen Aagaard and Tybirk, Knud (2011) Food chains in cereal fields. Agriculture, Ecosystems & Environment, , - . [Submitted]
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Summary
Correlations between the weed flora and the arthropod fauna of conventionally and organically managed fields were analysed. The results indicate that the abundance of weeds in Danish conventionally grown cereal fields is too low to sustain a population of more or less species specific herbivores, i.e. too low to maintain functioning food chain links between weeds and herbivores. Organically grown fields with a higher abundance of weeds may be capable of sustaining a fauna of arthropods relying on the weeds. The data from extra- weedy areas support this hypothesis, indicating that particularly weed-rich fields can better support herbivorous insects.
| EPrint Type: | Journal paper |
|---|---|
| Subjects: | Environmental aspects > Biodiversity and ecosystem services |
| Research affiliation: | Denmark > DARCOF III (2005-2010) > REFUGIA - The role of Organic Farms as refugia for biodiversity |
| Deposited By: | Bruus, Dr. Marianne |
| ID Code: | 19041 |
| Deposited On: | 29 Jun 2011 12:10 |
| Last Modified: | 23 Dec 2011 09:36 |
| Document Language: | English |
| Status: | Submitted |
| Refereed: | Submitted for peer-review but not yet accepted |
Available Versions of this Item
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Food chains in agricultural fields. (deposited 27 Jun 2011 14:56)
- Food chains in cereal fields. (deposited 29 Jun 2011 12:10) [Currently Displayed]
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