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DOI10.1007/s10530-024-03301-w
Altered biological control species interactions despite phenological synchrony along an urban-rural temperature gradient
发表日期2024
ISSN1387-3547
EISSN1573-1464
英文摘要Biological control programs provide simplified systems in which to investigate the influence of temperature on trophic interactions. We investigated the interaction between the invasive thistle Carduus nutans and its specialist herbivore, the biological control agent weevil Rhinocyllus conicus, along a temperature gradient spanning an urban-to-rural urbanization gradient in central Pennsylvania. As expected, more urbanized sites were warmer than rural sites. Nevertheless, C. nutans phenology was only slightly earlier at warmer sites, and the timing of observations of adult R. conicus on thistles did not shift earlier, leaving synchrony apparently unchanged. Despite unchanged phenological matching, seasonal patterns in weevil damage varied with temperature: early-appearing capitula at warmer sites were more heavily damaged than early capitula at cooler sites, yet overall a lower proportion of capitula was damaged at warmer sites. Rising temperatures may therefore reduce effectiveness of R. conicus for C. nutans control, as more capitula escape damage. Biological control systems and naturally occurring temperature gradients are useful systems in which to investigate climate change impacts, but a focus on the phenology of organisms' presence or absence may not be sufficient; our study demonstrates that consideration of the interaction itself may be necessary.
英文关键词Asteraceae; Biological control; Curculionidae; Mismatch; Synchrony; Trophic interaction; Warming
语种英语
WOS研究方向Biodiversity & Conservation ; Environmental Sciences & Ecology
WOS类目Biodiversity Conservation ; Ecology
WOS记录号WOS:001205109600001
来源期刊BIOLOGICAL INVASIONS
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/287942
作者单位Pennsylvania Commonwealth System of Higher Education (PCSHE); Pennsylvania State University; Pennsylvania State University - University Park; Pennsylvania Commonwealth System of Higher Education (PCSHE); Temple University
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. Altered biological control species interactions despite phenological synchrony along an urban-rural temperature gradient[J],2024.
APA (2024).Altered biological control species interactions despite phenological synchrony along an urban-rural temperature gradient.BIOLOGICAL INVASIONS.
MLA "Altered biological control species interactions despite phenological synchrony along an urban-rural temperature gradient".BIOLOGICAL INVASIONS (2024).
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