Natural enemy diversity and biological control: Making sense of the context-dependency

Tylianakis, Jason M.; Romo, C. M.

doi:10.1016/j.baae.2010.08.005

Cited by 130 publications

(104 citation statements)

References 69 publications

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“…Secondly, biological control is a result not only of enemy diversity and abundance, but also of the trophic interactions occurring between enemies (9)(10)(11)(12)(13)(14). If these interactions vary according to the landscape context, then understanding ecosystem service variability requires understanding the variations of trophic interactions at multiple spatial scales (13,(15)(16)(17)(18)(19).…”

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confidence: 99%

“…Several local studies of the link between diversity and ecosystem function indicate that trophic interactions between diverse enemy assemblages may lead to potentially negative, neutral, or positive consequences for ecosystem functioning and service provision (11,12,19,20). The direction of these responses depends on the type of interaction occurring between enemy species or functional groups, which may be antagonistic, neutral, additive, or synergistic and involve intraguild predation, functional redundancy, niche partitioning, or facilitation, respectively (11,12,20).…”

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confidence: 99%

“…In contrast, little is known about the role of landscape context in determining trophic interactions and their consequences for ecosystem service provision (15,18,21,22), despite the documented importance of landscapes in regulating species functional diversity (5,6,(23)(24)(25). Given the implications for landscape-wide effectiveness of biological control and other biodiversity-dependent services, scaling up the interaction mechanisms of functional species groups to a landscape perspective is critical for the development of sustainable management strategies (6,13,15,26) as well as for increased predictability of ecosystem functioning (9,13,16,18,19).…”

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confidence: 99%

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Natural enemy interactions constrain pest control in complex agricultural landscapes

Martin

Reineking

Seo

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

272

254

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Biological control of pests by natural enemies is a major ecosystem service delivered to agriculture worldwide. Quantifying and predicting its effectiveness at large spatial scales is critical for increased sustainability of agricultural production. Landscape complexity is known to benefit natural enemies, but its effects on interactions between natural enemies and the consequences for crop damage and yield are unclear. Here, we show that pest control at the landscape scale is driven by differences in natural enemy interactions across landscapes, rather than by the effectiveness of individual natural enemy guilds. In a field exclusion experiment, pest control by flying insect enemies increased with landscape complexity. However, so did antagonistic interactions between flying insects and birds, which were neutral in simple landscapes and increasingly negative in complex landscapes. Negative natural enemy interactions thus constrained pest control in complex landscapes. These results show that, by altering natural enemy interactions, landscape complexity can provide ecosystem services as well as disservices. Careful handling of the tradeoffs among multiple ecosystem services, biodiversity, and societal concerns is thus crucial and depends on our ability to predict the functional consequences of landscape-scale changes in trophic interactions.arthropods and birds | biodiversity-ecosystem functioning | biological pest control | ecosystem service provision | land use intensification

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confidence: 99%

See 1 more Smart Citation

Natural enemy interactions constrain pest control in complex agricultural landscapes

Martin

Reineking

Seo

et al. 2013

Proc. Natl. Acad. Sci. U.S.A.

272

254

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“…They also simultaneously accelerate and decelerate fluxes of water, sediments, and nutrients on a scale that exceeds natural filtration action [25]. Awareness of current conditions and relationships between land uses and resource goals is essential for successful restoration of riparian systems.…”

Section: Discussionmentioning

confidence: 99%

River Ecosystem and Floristic Characterization of Riparian Zones at the Youngjeong River, Sacheon-ci, Korea

Huh¹

2017

Journal of Life Science

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This study is examined river naturality and vegetative composition of river riparian zones to identify their most important sources of variation. Information on plant species cover and on physical characteristics that occur at upper, medium, and low areas was collected for 30 riparian plots located throughout the Youngjeong River in Korea. The riparian areas of river banks are dominated by mixed sediment and the vegetation is composed of herbs, shrub, and trees. The floristic characterization of riparian at this river during 2015 season was identified with a total of 28 families, 72 genera, 75 species, 13 varieties, 23 associations. The vegetations of low water's edge and flood way at upper region were naturally formed various vegetation communities by natural erosion. Forty plant species were identified around the upper region, where the dominant growth form was mostly trees. The flood way vegetation at middle region was both of natural vegetation and artificial vegetation. Land uses in riparian zones river levee at low region were bush or grassland as natural floodplain. The values of cover-abundance at upper, middle, and low region were total 9.26, 7.24, and 7.56, respectively. Grasses and forbs at the Youngjeong River have similar cover-abundance values. Recent, many riparian areas of this river have been lost or degraded for commercial and industrial developments. Thus, monitoring for biological diversity of plant species of this river is necessary for an adaptive management approach and the successful implementation of ecosystem management.

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“…Previous studies have also found predator identity to be 296 important in determining the effect of interference (Siddon & representing predators limited by handling time only (Holling, 1959). Thus prey density may be most 318 important in mediating trophic interactions at very low densities when interacting predator foraging 319 behaviours change with prey availability (Tylianakis & Romo, 2010). Our findings complement a 320 recent study showing synergistic interspecific interactions between predators emerged only at low 321 prey densities because antagonistic intraspecific interactions were more likely (Wilby & Orwin, 322 2013).…”

Section: Treatment 278mentioning

confidence: 99%

Size matters: Body size determines functional responses of ground beetle interactions

Ball

Woodcock

Potts

et al. 2015

Basic and Applied Ecology

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Contact CEH NORA team at noraceh@ceh.ac.ukThe NERC and CEH trademarks and logos ('the Trademarks') are registered trademarks of NERC in the UK and other countries, and may not be used without the prior written consent of the Trademark owner. University of Reading, Reading RG6 6AR, UK. Understanding patterns in predator:prey systems and the mechanisms that underlie trophic 23 interactions provides a basis for predicting community structure and the delivery of natural pest 24 control services. The functional response of predators to prey density is a fundamental measure of 25 interaction strength and its characterisation is essential to understanding these processes. We used 26 mesocosm experiments to quantify the functional responses of five ground beetle species that 27 represent common generalist predators of north-west European arable agriculture. We investigated 28 two mechanisms predicted to be key drivers of trophic interactions in natural communities: 29 predator:prey body size ratio and multiple predator effects. Our results show regularities in foraging 30 patterns characteristic of similarly sized predators. Ground beetle attack rates increased and 31 handling times decreased as the predator:prey body-mass ratio rose. Multiple predator effects on 32 total prey consumption rates were sensitive to the identity of the interacting species but not prey 33 density. The extent of interspecific interactions may be a result of differences in body mass between 34 competing beetle species. Overall these results add to the growing evidence for the importance of 35 size in determining trophic interactions and suggest that body mass could offer a focus on which to 36 base the management of natural enemy assemblages. 37 38

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Natural enemy diversity and biological control: Making sense of the context-dependency

Cited by 130 publications

References 69 publications

Natural enemy interactions constrain pest control in complex agricultural landscapes

Natural enemy interactions constrain pest control in complex agricultural landscapes

River Ecosystem and Floristic Characterization of Riparian Zones at the Youngjeong River, Sacheon-ci, Korea

Size matters: Body size determines functional responses of ground beetle interactions

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