| Title: |
Unraveling the Influence of Uncultivated Habitat on Avian Grape Damage in a Viticultural Landscape |
| Authors: |
Adler, Katharina; Martinico, Breanna L.; MacDonald, Eleanor; Kross, Sara M.; Karp, Daniel S.; Turner, Autumn; Johnson, Matthew D. |
| Source: |
Proceedings of the Vertebrate Pest Conference, vol 31, iss 31 |
| Publisher Information: |
eScholarship, University of California |
| Publication Year: |
2024 |
| Collection: |
University of California: eScholarship |
| Subject Terms: |
birds; damage assessment; grape damage; Haemorhous mexicanus; Junco hyemalis; Sturnus vulgaris; uncultivated habitat; viticulture |
| Description: |
Uncultivated habitats within and near farms can strongly affect the ecosystem services and disservices delivered by birds in agriculture. In winegrape vineyards, previous work suggests insect-eating birds have the potential to remove pests, but grape-eating birds can cause crop losses by damaging or removing ripe grapes. We conducted avian point counts and grape damage surveys at 20 and 6 vineyards, respectively, in Napa Valley, California in late summer 2023 to investigate the hypothesis that uncultivated habitats increase the abundance of grape-damaging birds and grape damage. We detected 22 bird species considered to potentially damage grapes. The three most common species – dark-eyed juncos, European starlings, and house finches – accounted for 45% of all detections. The number of potential winegrape damagers was, on average, 46% lower in vineyard interiors than near edges (>75 m or |
| Document Type: |
article in journal/newspaper |
| File Description: |
application/pdf |
| Language: |
unknown |
| Relation: |
qt78416619; https://escholarship.org/uc/item/78416619; https://escholarship.org/content/qt78416619/qt78416619.pdf |
| Availability: |
https://escholarship.org/uc/item/78416619; https://escholarship.org/content/qt78416619/qt78416619.pdf |
| Rights: |
public |
| Accession Number: |
edsbas.5926B2DA |
| Database: |
BASE |