Tree species diversity reduces the invasibility of maritime pine stands by the bast scale, <i>Matsucoccus feytaudi </i>(Homoptera: Margarodidae)

Jactel, H.; Menassieu, Pierre; Vétillard, Fabrice; Gaulier, A.; Samalens, Jean‐Charles; Brockerhoff, Eckehard G.

doi:10.1139/x05-251

Cited by 57 publications

(55 citation statements)

References 26 publications

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“…However, most stand-scale studies involved native insects, and there is comparatively little information on invasions by non-native insects. Two studies in Europe have shown negative relationships between tree species richness and the abundance of invasive tree-feeding insects at the plot or stand scale (Jactel et al 2006;Guyot et al 2015). Conversely, in the USA, a positive relationship between native tree species richness and the number of successful invasions by non-native tree-feeding insects was observed (Liebhold et al 2013), although that study assessed larger-scale county-level data that are not directly comparable with plot-level data.…”

Section: Effects Of Forest Tree Diversity On Pest Regulation Of Nativmentioning

confidence: 93%

“…This states that more diverse forests can provide more diverse and abundant feeding and nesting resources for insect predators and parasitoids, thus increasing their capacity to control populations of prey (i.e., insect herbivores). Although an increasing body of evidence supports a positive correlation between tree diversity and natural enemy diversity (Castagneyrol and Jactel 2012;Staab et al 2014), the actual contribution of predators to the top-down control of pest insects in mixed forests remains difficult to demonstrate (Jactel et al 2006;Muiruri et al 2016).…”

Section: Effects Of Forest Tree Diversity On Pest Regulation Of Nativmentioning

confidence: 99%

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Forest biodiversity, ecosystem functioning and the provision of ecosystem services

et al. 2017

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Forests are critical habitats for biodiversity and they are also essential for the provision of a wide range of ecosystem services that are important to human well-being. There is increasing evidence that biodiversity contributes to forest ecosystem functioning and the provision of ecosystem services. Here we provide a review of forest ecosystem services including biomass production, habitat provisioning services, pollination, seed dispersal, resistance to wind storms, fire regulation and mitigation, pest regulation of native and invading insects, carbon sequestration, and cultural ecosystem services, in relation to forest type, structure and diversity. We also consider relationships between forest biodiversity and multifunctionality, and trade-offs among ecosystem services. We compare the concepts of ecosystem processes, functions and services to clarify their definitions. Our review of published studies indicates a lack of empirical studies that establish quantitative and causal relationships between forest biodiversity and many important ecosystem services. The literature is highly skewed; studies on provisioning of nutrition and energy, and on cultural services, delivered by mixed-species forests are under-represented. Planted forests offer ample opportunity for optimising their composition and diversity because replanting after harvesting is a recurring process. Planting mixed-species forests should be given more consideration as they are likely to provide a wider range of ecosystem services within the forest and for adjacent land uses. This review also serves as the introduction to this special issue of Biodiversity and Conservation on various aspects of forest biodiversity and ecosystem services.

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Section: Effects Of Forest Tree Diversity On Pest Regulation Of Nativmentioning

confidence: 93%

Section: Effects Of Forest Tree Diversity On Pest Regulation Of Nativmentioning

confidence: 99%

Forest biodiversity, ecosystem functioning and the provision of ecosystem services

et al. 2017

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“…Forest insects (e.g. Matsucoccus feytaudi, Jactel et al, 2006) and pathogens that are passively wind dispersed have a lower chance of landing on the appropriate host tree in mixed stands (Heybroek, 1982). Several tree diseases (such as H. annosum) spread through root contacts and the presence of non-host trees may limit this process (Linden and Vollbrecht, 2002).…”

Section: Stand Compositionmentioning

confidence: 99%

The influences of forest stand management on biotic and abiotic risks of damage

Jactel

Nicoll

Branco³

et al. 2009

Ann. For. Sci.

236

167

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Abstract• This article synthesizes and reviews the available information on the effects of forestry practices on the occurrence of biotic and abiotic hazards, as well as on stand susceptibility to these damaging agents, concentrating on mammal herbivores, pest insects, pathogenic fungi, wind and fire.• The management operations examined are site selection, site preparation, stand composition, regeneration method, cleaning and weed control, thinning and pruning, and harvesting. For each of these operations we have examined how they influence the occurrence of biotic and abiotic damaging agents, the susceptibility of European forests, and describe the ecological processes that may explain these influences.• Overall, we find that the silvicultural operations that have the largest influence on both biotic and abiotic risks to European forest stands are closely related to species composition and the structure of the overstorey. Four main processes that drive the causal relationships between stand management and susceptibility have been identified: effect on local microclimate, provision of fuel and resources to biotic and abiotic hazards, enhancement of biological control by natural enemies and changes in individual tree physiology and development.• The review demonstrates an opportunity to develop silvicultural methods that achieve forest management objectives at the same time as minimising biotic and abiotic risks. Mots-clés :sylviculture / peuplement / occurrence / sensibilité / Résumé -Influences de la sylviculture sur le risque de dégâts biotiques et abiotiques dans les peuplements forestiers.• Cette revue bibliographique s'intéresse aux effets de la sylviculture sur la sensibilité des peuplements forestiers aux principaux agents de dégâts biotiques et abiotiques que sont les mammifères herbivores, les insectes ravageurs, les champignons pathogènes, le feu et les vents forts. * Corresponding author: herve.jactel@pierroton.inra.frArticle published by EDP Sciences Ann. For. Sci. 66 (2009) 701 H. Jactel et al.• Les pratiques forestières analysées sont la sélection et la préparation des sites de reboisement, la définition de la composition en essences et le choix du matériel génétique, les méthodes de régé-nération et d'entretien, les modalités d'éclaircie et d'élagage, le mode de récolte finale. L'influence de chacune de ces opérations sur l'occurrence des agents de dégâts biotiques et abiotiques et sur la sensibilité des peuplements est examinée ainsi que les processus écologiques sous-jacents.• Les opérations sylvicoles qui se révèlent les plus déterminantes pour la sensibilité des forêts en Europe sont celles qui affectent la composition et la structure de la strate arborée. Quatre principaux processus écologiques semblent expliquer la relation entre sylviculture et sensibilité des peuplements : la modification du micro-climat, l'apport de ressources ou de combustible aux agents de dégâts, l'amélioration du contrôle biologique par les ennemis naturels et l'altération de la physiologie et du développement des arb...

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“…Although the opposite pattern-associational susceptibility (AS)-can also be observed (White and Whitham 2000;Schuldt et al 2015), AR seems a more common phenomenon in forest ecosystems (Jactel and Brockerhoff 2007;Castagneyrol et al 2014a; but see Kambach et al 2016). AR has been described mainly for native pest species but it can be hypothesized that similar mechanisms are involved for invasive pests (Jactel et al 2006;Guyot et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Plant neighbour identity and invasive pathogen infection affect associational resistance to an invasive gall wasp

et al. 2017

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Theory predicts that mixed forests are more resistant to native pests than pure forests (i.e. associational resistance) because of reduced host accessibility and increased top-down control by natural enemies. Yet, whether the same mechanisms also apply to invasive pests remains to be verified. We tested the hypothesis of associational resistance against the invasive Asian chestnut gall wasp (ACGW, Dryocosmus kuriphilus) by comparing ACGW infestation rates on chestnuts (Castanea sativa) in stands varying in species composition (chestnut alone or associated with oaks, pines or ashes). We investigated the effects of reduced chestnut density and frequency in mixed stands, as well as the effect of biotic interactions between ACGW, its parasitoids and the chestnut blight disease (caused by Cryphonectria parasitica). ACGW infestation rates were significantly lower in chestnut-oak and chestnut-ash mixtures than in pure chestnut stands and chestnut-pine mixtures. Infestation rate decreased with decreasing chestnut relative proportion. The composition of native parasitoid communities emerged from galls significantly differed between pure and mixed chestnut stands, but not the species richness or abundance of parasitoids. The abundance of the introduced parasitoid Torymus sinensis was not correlated with ACGW infestation rates and was independent of stand composition. Blight symptoms modified ACGW infestation rates with taller trees being preferred when they were asymptomatic but avoided when they presented blight disease damage. Our results suggest that conservation biological control based on tree species mixtures could contribute to reducing the damage of invasive forest pests.Excepting for the first and last authors, the order of authors is alphabetical.

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Tree species diversity reduces the invasibility of maritime pine stands by the bast scale, Matsucoccus feytaudi (Homoptera: Margarodidae)

Cited by 57 publications

References 26 publications

Forest biodiversity, ecosystem functioning and the provision of ecosystem services

Forest biodiversity, ecosystem functioning and the provision of ecosystem services

The influences of forest stand management on biotic and abiotic risks of damage

Plant neighbour identity and invasive pathogen infection affect associational resistance to an invasive gall wasp

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