Managing tree pests and diseases in urban settings: The case of Oak Processionary Moth in London, 2006–2012

Tomlinson, Isobel; Potter, Clive; Bayliss, Helen R.

doi:10.1016/j.ufug.2015.02.009

Cited by 55 publications

(48 citation statements)

References 20 publications

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“…(ashes) (Department for Environment 2013b); and Thaumetopoea processionea, a processionary moth that is a major defoliator of Quercus spp. (oaks) (Netherer and Schopf 2010;Tomlinson et al 2015). The arrival of these novel pathogens and pests requires management practices to be reviewed in order to maximise the net benefit obtained from forests.…”

Section: Introductionmentioning

confidence: 99%

The Effects of Disease on Optimal Forest Rotation: A Generalisable Analytical Framework

Macpherson

Kleczkowski

Healey

et al. 2016

Environ Resource Econ

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The arrival of novel pathogens and pests can have a devastating effect on the market values of forests. Calibrating management strategies/decisions to consider the effect of disease may help to reduce disease impacts on forests. Here, we use a novel generalisable, bioeconomic model framework, which combines an epidemiological compartmental model with a Faustmann optimal rotation length model, to explore the management decision of when to harvest a single rotation, even-aged, plantation forest under varying disease conditions. Sensitivity analysis of the rate of spread of infection and the effect of disease on the timber value reveals a key trade-off between waiting for the timber to grow and the infection spreading further. We show that the optimal rotation length, which maximises the net present value of the forest, is reduced when timber from infected trees has no value; but when the infection spreads quickly, and the value of timber from infected trees is non-zero, it can be optimal to wait until the disease-free optimal rotation length to harvest. Our original approach provides an exemplar framework showing how a bioeconomic model can be used to examine the effect of tree diseases on management strategies/decisions.

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Section: Introductionmentioning

confidence: 99%

The Effects of Disease on Optimal Forest Rotation: A Generalisable Analytical Framework

Macpherson

Kleczkowski

Healey

et al. 2016

Environ Resource Econ

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“…The polyculture of agriculture typology is potentially more susceptible to disease than the polyculture of agroforestry. The agroforestry pattern influences on pest and disease are not only depending on the types of plants, but also depending on other factors including kinds of pests, pest preferences, and micro climate (Tomlinson et al, 2015;Pumarino et al, 2015). Structure and landscape heterogeneity tends to influence disease dynamics and distributions and they function as inhibitors to limit pathogen distribution (Plantegenest & Fabre, 2007).…”

Section: Resultsmentioning

confidence: 99%

Vegetation Diversity and Intensity of Plant Pests and Diseases in Two Polyculture Systems in Tanggamus District

Sudiono

Sutjahyo²,

Wijayanto³

et al. 2017

JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA

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Vegetation diversity and intensity of plant pests and diseases in two polyculture systems in Tanggamus District. The vegetable crop management cannot be separated from infestation of plant pest and disease which influences the quality and quantity of crop yield. The pest organism development is influenced by agroecosystem. The objective of this research was to analyze vegetation diversity and intensity of pest and disease in Tanggamus District. Methods used in this research were analysis of vegetation diversity based on Shannon index, percentage of pests damage and diseases incidence. The results showed that the vegetation diversity in polyculture of agriculture typology were 11 plant species with diversity index of 0.64; while in polyculture of agroforestry typology there were 11 plant species with diversity index of 0.74 and both of these indices were less than 1 (H' < 1). The percentage of pests damage in the polyculture of agriculture larger than polyculture of agroforestry typology ranging from 7.20% to 81.67% and 3.04% to 26.67% respectively. While the incidence of disease in polyculture of agriculture ranging from 0.65% up to 100% and polyculture of agroforestry typology 0.65% up to 68.00%.Key words: polyculture of agriculture, polyculture of agroforestry, Shannon Index ABSTRAK Keanekaragaman vegetasi dan intensitas hama dan penyakit tanaman sayuran pada dua sistem polikultur di Kabupaten Tanggamus. Pengelolaan tanaman sayuran tidak terlepas dari adanya gangguan oleh organisme pengganggu tanaman yang berdampak terhadap kualitas dan kuantitas produksi sayuran yang dalam perkembangan organisme tersebut dipengaruhi oleh agroekosistem. Tujuan penelitian ini adalah menganalisis keanekaragaman vegetasi tumbuhan dan besarnya serangan hama dan penyakit tanaman pada tanaman sayuran di Kabupaten Tanggamus. Metode penelitian yang digunakan yaitu analisis keanekaragaman vegetasi berdasarkan indek Shannon, persentase serangan hama dan kejadian penyakit. Hasil penelitian menunjukkan keanekaragam vegetasi di tipologi polikultur pertanian tercatat 11 species tumbuhan dengan indek keanekaragaman vegetasi sebesar 0,64; sedangkan pada tipologi polikultur agroforestri tercatat 11 species tumbuhan dengan indek keanekaragaman sebesar sebesar 0,74 yang keduanya lebih kecil dari 1 (H' < 1). Intensitas serangan hama dan kejadian penyakit tanaman pada tipologi polikultur pertanian lebih besar dibandingkan polikultur agroforestri dengan kisaran hama sebesar 7,20% sampai 81,67% berbanding 3,04% sampai 26,67% dan penyakit antara 0,65% sampai 100% berbanding 0,65% sampai 68,00%.

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“…From the outset there was a lack of consensus over which government agency should have overall responsibility for dealing with the outbreak (Tomlinson et al, 2015). While the Forestry Commission (FC) is responsible for the protection of forest trees and the Department for Environment, Food and Rural Affairs (Defra) has responsibility for nursery trees and imported stock (Tomlinson et al, 2015), protection of urban trees is a somewhat grey area (FC, 2011).…”

Section: Oak Processionary Mothmentioning

confidence: 99%

“…While the Forestry Commission (FC) is responsible for the protection of forest trees and the Department for Environment, Food and Rural Affairs (Defra) has responsibility for nursery trees and imported stock (Tomlinson et al, 2015), protection of urban trees is a somewhat grey area (FC, 2011). The human health dimension, the remit of the Health Protection Agency (HPA), added further complexity to the already unclear regulatory framework.…”

Section: Oak Processionary Mothmentioning

confidence: 99%

“…The rationale for this decision was that it might prove difficult to argue for OPM control under public health legislation, and that more effective legal powers were likely under the Plant Health Act (1967). In any case, this delay in assigning regulatory responsibility inevitably impacted on the speed of response to the outbreak and thus the effectiveness of attempts to eradicate the pest (Tomlinson et al, 2015). Further, under the Plant Health (Forestry) Order 2005 the FC issues Plant Health Statutory Notices (PHSNs) to enforce management action on landowners or their agents, who are responsible for ensuring OPM nests are removed.…”

Section: Oak Processionary Mothmentioning

confidence: 99%

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Expert risk perceptions and the social amplification of risk: A case study in invasive tree pests and diseases

Urquhart

Potter

Barnett

et al. 2017

Environmental Science & Policy

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HighlightsExpert risk perceptions are socially-mediated, relational and incremental.Challenges experts’ ‘real’ risk around which public perceptions are amplified.Tree health risks characterised by uncertainty and conflicts about what is at risk.Experts attribute concern to publics as they assemble risk judgments.Risk managers deal with the ‘risk event’ alongside ‘the social construction of risk’.

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Managing tree pests and diseases in urban settings: The case of Oak Processionary Moth in London, 2006–2012

Cited by 55 publications

References 20 publications

The Effects of Disease on Optimal Forest Rotation: A Generalisable Analytical Framework

The Effects of Disease on Optimal Forest Rotation: A Generalisable Analytical Framework

Vegetation Diversity and Intensity of Plant Pests and Diseases in Two Polyculture Systems in Tanggamus District

Expert risk perceptions and the social amplification of risk: A case study in invasive tree pests and diseases

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