Effects of landscape structure on avian-mediated insect pest control services: a review

Boesing, Andrea Larissa; Nichols, Elizabeth; Metzger, Jean Paul

doi:10.1007/s10980-017-0503-1

Cited by 107 publications

(82 citation statements)

References 55 publications

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“…This finding has important implications in terms of biodiversity conservation given the current scenario of fragmentation and deforestation in tropical landscapes (Chazdon, ). This critical scenario has also important implications in terms of ecosystem services provisioning and a huge amount of evidence have been demonstrating the importance of biodiversity on provisioning important ecosystem services fundamental for human well‐being, such as pollination (IPBES, ), water quality (Kennedy et al., ) and pest control (Boesing et al., ; Karp et al., ).…”

Section: Discussionmentioning

confidence: 99%

“…For instance, in a recent review, Boesing et al. () compiled evidence that over 226 avian predators provide insect control services in agricultural landscapes across both temperate and tropical regions. Of these species, over 35% are dependent on native tropical forest habitat, clearly linking the maintenance of pest control services to the conservation of native forest habitat.…”

Section: Discussionmentioning

confidence: 99%

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Land use type, forest cover and forest edges modulate avian cross‐habitat spillover

Boesing

Nichols

Metzger

2017

Journal of Applied Ecology

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Natural habitats adjacent to agricultural areas are often considered sources of species that provide beneficial regulating ecosystem services through cross‐habitat spillover. Both inter‐habitat matrix and landscape configuration can influence spillover by controlling organismal ability to disperse through landscapes, and affecting the provision of additional or supplementary resources that impact organism survival. To understand how landscape structure in terms of matrix land use type, forest cover and edge density might facilitate avian cross‐habitat spillover, we sampled avian communities in forest patches and adjacent land use types (coffee plantations or cattle pastures) using a well‐replicated study design across 92 sampling sites across a landscape‐context forest cover gradient (6%–60%). Land use type was a key factor influencing avian cross‐habitat spillover, facilitating species movement into coffee plantations and acting as a barrier to spillover into cattle pastures. We found that 24% of the forest‐dependent species pool was capable of spillover into coffee plantations, while spillover was nearly non‐existent in cattle pastures. Forest cover was also the main driver of spillover into coffee plantations. There was a positive relationship between forest cover and spillover, potentially due to processes related with (1) a higher density of organism in‐patches, (2) decreased isolation among patches facilitating species movement and (3) higher landscape supplementation processes. Finally, we found edge density had an additive effect with forest cover on spillover. Spillover was higher in high‐forested landscapes with many forest‐matrix edges, possibly due to increased structural connectivity for species able to move through edges, and to improved access for forest‐dwelling species to different resource types (complementation processes). Synthesis and applications. We demonstrate that land use type is a key factor facilitating species spillover into agricultural matrices and that the influence of land use type on spillover is further modulated by a combination of native habitat amount and edge density. These results should be considered in efforts to design or manage sustainable agricultural landscapes in order to enhance both bird persistence and the provision of bird‐mediated ecosystem services.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Land use type, forest cover and forest edges modulate avian cross‐habitat spillover

Boesing

Nichols

Metzger

2017

Journal of Applied Ecology

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“…Empirical evidence showing mutual benefits of interactions between birds and plants has been collected from systems where interactions occur between trees and canopy-feeding insectivorous bird species (Boesing et al, 2017;Mäntylä et al, 2011). We focused this study on a system where birds forage on the ground in cereal crops and grassland vegetation.…”

Section: A Large Body Of Evidence On Insect Predators and Parasitoidsmentioning

confidence: 99%

“…Empirical evidence on interactions between trees and birds feeding predominantly on insects or other arthropods suggests that communication of the plant's herbivore load, benefits both plant and bird (Boesing et al, 2017;Mäntylä et al, 2011) (although it is possible that if birds primarily forage on predatory arthropods this could negatively affect plant fitness, through mesopredator release (Crooks & Soulé, 1999), because herbivores can become far more abundant after being "released" from the control of their main predators). From this, one could expect that the strength of selection to utilize such information is stronger in strictly insectivorous species compared to birds with a less specialized diet (Amo, Dicke, & Visser, 2016).…”

mentioning

confidence: 99%

Disentangling olfactory and visual information used by field foraging birds

Rubene

Leidefors

Ninkovic

et al. 2018

Ecology and Evolution

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Foraging strategies of birds can influence trophic plant–insect networks with impacts on primary plant production. Recent experiments show that some forest insectivorous birds can use herbivore‐induced plant volatiles (HIPVs) to locate herbivore‐infested trees, but it is unclear how birds combine or prioritize visual and olfactory information when making foraging decisions. Here, we investigated attraction of ground‐foraging birds to HIPVs and visible prey in short vegetation on farmland in a series of foraging choice experiments. Birds showed an initial preference for HIPVs when visual information was the same for all choice options (i.e., one experimental setup had all options with visible prey, another setup with hidden prey). However, if the alternatives within an experimental setup included visible prey (without HIPV) in competition with HIPV‐only, then birds preferred the visual option over HIPVs. Our results show that olfactory cues can play an important role in birds’ foraging choices when visual information contains little variation; however, visual cues are preferred when variation is present. This suggests certain aspects of bird foraging decisions in agricultural habitats are mediated by olfactory interaction mechanisms between birds and plants. We also found that birds from variety of dietary food guilds were attracted to HIPVs; hence, the ability of birds to use plant cues is probably more general than previously thought, and may influence the biological pest control potential of birds on farmland.

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“…Forest cover at the landscape level is positively related with the diversity of insectivorous bird species and invertebrate predators (Tscharntke et al 2005(Tscharntke et al , 2008, which may enhance invertebrate predation process Philpott et al, 2009;Boesing et al, in press). Since low quality matrices as pastures have a less diversified community of insectivorous birds and invertebrate predators (Tscharntke et al 2008), and it is known that the increase in species richness is positively related to the amount of removed preys , the amount of forest areas in the landscape play an important role in maintaining a more diversified community of potential natural enemies, favoring the service of pests control in low quality matrices.…”

Section: Landscape Structural Effectsmentioning

confidence: 99%

A estrutura da paisagem e o potencial controle das “cigarrinhas-das-pastagens”

Hohlenwerger¹

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Biological pest control is an important ecosystem service in agricultural and pastures areas, and can bring both economic and environmental benefits. In areas of tropical pastures, spittlebugs can bring losses of several millions per year, thus being a pest of great importance. To understand the factors that potentially regulate the biological control of these froghoppers, we evaluated through predation experiments the effects of forest cover amount, fragment size and distance in the matrix to fragment on predation process. In addition, we tested the effect of different methodological procedures in the detection of relationships between pest control and landscape structure. We worked with nine landscapes inserted in the Atlantic Forest region, and for each landscape used three transects of 100 m length inside pastures, orthogonally arranged from the forest edge. Predation rate showed a positive relationship with forest cover within 400 m and with fragment size, and a negative relationship with distance from forest fragment. Predation patterns varied with the type of prey used and the exposure time of the experiment. The sentinel prey's experiment (with real preys that are common pests in the region -Deois flavopicta) showed weak patterns with forest cover in 3 km, while the dummy caterpillars experiment (with artificial prey on caterpillars' shape) showed clearer patterns mainly associated with forest cover within 400 m, and with fragment size. The negative effect of distance from the forest fragment became clear only with longer exposure times (96 hours). The predation process in the matrix is thus influenced by the landscape structure, particularly in more local scale (400 m), and different types of prey and exposures times of predation experiments influence the ecological patterns that emerge. Our work highlights the importance of landscape management structure in agricultural areas to optimize the offering of pest control service, as well as the need to use more than one type of experiment to access predation process.

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Effects of landscape structure on avian-mediated insect pest control services: a review

Cited by 107 publications

References 55 publications

Land use type, forest cover and forest edges modulate avian cross‐habitat spillover

Land use type, forest cover and forest edges modulate avian cross‐habitat spillover

Disentangling olfactory and visual information used by field foraging birds

A estrutura da paisagem e o potencial controle das “cigarrinhas-das-pastagens”

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Effects of landscape structure on avian-mediated insect pest control services: a review

Cited by 107 publications

References 55 publications

Land use type, forest cover and forest edges modulate avian cross‐habitat spillover

Land use type, forest cover and forest edges modulate avian cross‐habitat spillover

Disentangling olfactory and visual information used by field foraging birds

A estrutura da paisagem e o potencial controle das &ldquo;cigarrinhas-das-pastagens&rdquo;

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A estrutura da paisagem e o potencial controle das “cigarrinhas-das-pastagens”