A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Unrecognized impact of a biocontrol agent on the spread rate of an invasive thistle
Herbivores may significantly reduce plant populations by reducing seed set; however, we know little of their impact on seed movement. We show for the first time that the receptacle‐feeding weevil Rhinocyllus conicus not only reduces seed production by the invasive thistle Carduus nutans but also inhibits release and subsequent wind dispersal of seeds. These effects generate large, though different, impacts on spatial spread and local abundance in two populations with differing demography, located in the United States and New Zealand. Furthermore, the mechanism is context dependent, with the largest effects through increased terminal velocity in the United States but through reduced seed production in New Zealand. Our results show that the benefit of biocontrol programs may have been underestimated; screenings of potential biocontrol agents should examine effects on pest dispersal and spread, as well as on abundance.
Unrecognized impact of a biocontrol agent on the spread rate of an invasive thistle
Herbivores may significantly reduce plant populations by reducing seed set; however, we know little of their impact on seed movement. We show for the first time that the receptacle‐feeding weevil Rhinocyllus conicus not only reduces seed production by the invasive thistle Carduus nutans but also inhibits release and subsequent wind dispersal of seeds. These effects generate large, though different, impacts on spatial spread and local abundance in two populations with differing demography, located in the United States and New Zealand. Furthermore, the mechanism is context dependent, with the largest effects through increased terminal velocity in the United States but through reduced seed production in New Zealand. Our results show that the benefit of biocontrol programs may have been underestimated; screenings of potential biocontrol agents should examine effects on pest dispersal and spread, as well as on abundance.
Unrecognized impact of a biocontrol agent on the spread rate of an invasive thistle
Marchetto, Katherine M. (author) / Shea, Katriona (author) / Kelly, Dave (author) / Groenteman, Ronny (author) / Sezen, Zeynep (author) / Jongejans, Eelke (author)
Ecological Applications ; 24 ; 1178-1187
2014-07-01
10 pages
Article (Journal)
Electronic Resource
English
Thistle Landslide Emergency Railroad Relocation, Thistle, Utah
| British Library Conference Proceedings | 1985
| British Library Conference Proceedings | 1985
| DOAJ | 2020
The Emergency Draining of Thistle Lake
| British Library Conference Proceedings | 1985
Reevaluating the 1983 Thistle Utah Landslide
| British Library Conference Proceedings | 2007