Temporal variations in English populations of a forest insect pest, the green spruce aphid (Elatobium abietinum), associated with the North Atlantic Oscillation and global warming

Westgarth-Smith, Angus; Leroy, Suzanne A.G.; Collins, Phil; Harrington, R.

doi:10.1016/j.quaint.2007.05.001

Cited by 31 publications

(36 citation statements)

References 19 publications

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“…Aphids also show high sensitivity towards changes in temperature, so that preponed host immigration and earlier beginning of reproduction , e.g. of the green spruce aphid, Elatobium abietinum (Westgarth-Smith et al, 2007), are likely to promote future outbreaks of increased severity (Cannon, 1998;Bale et al, 2002).…”

Section: Effects Of Climate Change On Insect Herbivoresmentioning

confidence: 99%

Potential effects of climate change on insect herbivores in European forests—General aspects and the pine processionary moth as specific example

Netherer

Schopf

2010

Forest Ecology and Management

267

182

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Section: Effects Of Climate Change On Insect Herbivoresmentioning

confidence: 99%

Potential effects of climate change on insect herbivores in European forests—General aspects and the pine processionary moth as specific example

Netherer

Schopf

2010

Forest Ecology and Management

267

182

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“…Two exceptionally wet years in Northern Ireland also corresponded to low aphid population growth in the Clare data, but a lack of relationship with rain in the Scottish data eliminated this from further consideration. In an analysis of aerial populations from Rothamsted, Westgarth-Smith et al (2007) reached a similar conclusion that the mechanism for control of E. abietinum population size was through temperature rather than precipitation.…”

Section: Importance Of Different Climate Metricsmentioning

confidence: 84%

“…Basing their findings on aerial aphid time series from RIS suction traps, Saldana et al (2007) and Westgarth-Smith et al (2007) suggested strong nonlinear effects on population of climate indexed by the NAO, together with spatial synchronization of these effects. RIS data also demonstrate endogenous regulation through nonlinear feedback (Saldana et al 2007;Lima et al 2008).…”

Section: Aphids In the Air And On Trees: Similar Interannual Dynamicsmentioning

confidence: 97%

“…Three recent studies of E. abietinum abundance have employed 40 years of RIS suction-trap data across the UK in determining the influence of the North Atlantic Oscillation (NAO), latitudinal gradients in climatic effects driving spruce aphid populations, and their spatial synchrony (Saldana et al 2007;Westgarth-Smith et al 2007;Lima et al 2008). Whereas the surrogacy of samples of alate aphids for populations on host plants is implicit in these studies, there is no calibrated link between the two.…”

Section: Introductionmentioning

confidence: 99%

“…High-quality, long-term data are essential for analysis of causes of population fluctuations, particularly where diagnosis of the effects of teleconnection patterns or local weather is an objective (Westgarth-Smith et al 2007;Lima et al 2008). Reliable population time series for E. abietinum, sampled on host trees, have been reported (Day 1984(Day , 1986Day and Crute 1990), although an explicit model based on these data has not yet been developed.…”

Section: Introductionmentioning

confidence: 99%

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Interannual dynamics of aerial and arboreal green spruce aphid populations

et al. 2009

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Partial defoliation of spruce by the green spruce aphid Elatobium abietinum (Walker) is a recurrent event in European and, increasingly, North American forests. The patterns of insect abundance on trees have never been satisfactorily described by a numerical model despite considerable knowledge of endogenous and exogenous factors in the population dynamics of the species. Longterm field population estimates of the aphid on foliage provided the opportunity to evaluate such a model. Unlike comparable models for tree-dwelling aphids, this was also applicable to almost completely independent aphid field data derived from the Rothamsted Insect Survey's nationwide network of suction traps. Although based on relatively few parameters, the model was robust in its predictions of alate aphids geographically remote from the forest in which the original population was estimated. The population maximum, which causes the greatest forest damage, is reached in early summer and can be predicted from knowledge of winter temperature (chill bouts), spring temperature (thermal sum), and interannual negative feedback (density dependence). The model provides confirmation that alate populations of spruce aphids, upon which a number of other extensive studies have been based, are ultimately influenced by similar endogenous and climatic factors and that they are a reasonable proxy for aphids on trees.

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Patterns and predictors of fleshy fruit phenology at five international botanical gardens

Gallinat

Primack

Willis

et al. 2018

American J of Botany

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To improve our understanding of the patterns and drivers of fleshy fruit phenology, we examined the sequence, patterns across years and locations, and drivers of fruiting times at five botanical gardens on three continents. METHODS: We monitored four stages of fruit phenology for 406 temperate, fleshy-fruited, woody plant species in 2014 and 2015. KEY RESULTS: Across all gardens, ripe fruits were present from May to March of the following year, with peak fruiting durations ranging from under 1 week to over 150 days. Species-level first fruiting and onset of peak fruiting dates were strongly associated with one another within sites and were more consistent between years and sites than the end of peak fruiting and last fruiting date. The order of fruiting among species between years and gardens was moderately consistent, and both peak fruiting times and fruiting durations were found to be phylogenetically conserved. CONCLUSIONS: The consistent order of fruiting among species between years and locations indicates species-specific phenological responses to environmental conditions. Wide variation in fruiting times across species and in the duration of peak fruiting reinforces the importance of understanding how plant phenology impacts dispersers and monitoring the health and consistency of these interactions.

show abstract

Temporal variations in English populations of a forest insect pest, the green spruce aphid (Elatobium abietinum), associated with the North Atlantic Oscillation and global warming

Cited by 31 publications

References 19 publications

Potential effects of climate change on insect herbivores in European forests—General aspects and the pine processionary moth as specific example

Potential effects of climate change on insect herbivores in European forests—General aspects and the pine processionary moth as specific example

Interannual dynamics of aerial and arboreal green spruce aphid populations

Patterns and predictors of fleshy fruit phenology at five international botanical gardens

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