Temperate alley-cropping agroforestry improves pest control potential by promoting spider abundance and functional diversity

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Temperate alley-cropping agroforestry improves pest control potential by promoting spider abundance and functional diversity. / Matevski, Dragan; Sagolla, Viktoria; Beule, Lukas et al.
In: Journal of Applied Ecology, Vol. 61, No. 12, 12.2024, p. 3079-3091.

Research output: Journal contributionsJournal articlesResearchpeer-review

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@article{b5c20d47fa7348ab82dea389c0d89d30,
title = "Temperate alley-cropping agroforestry improves pest control potential by promoting spider abundance and functional diversity",
abstract = "Intensive agricultural land use negatively impacts biodiversity, including arthropod predator diversity and their pest control potential. Alley-cropping agroforestry systems (integration of tree rows into arable land) are increasingly considered an economically viable alternative for more sustainable and biodiversity-friendly agriculture. However, their effectiveness in promoting generalist predator diversity and pest control, especially as a function of space (distance from tree rows) and time (across the growing season) remains poorly understood. We assessed how spider abundance, taxonomic and functional diversity (as proxies of pest control potential) respond to temperate alley-cropping agroforestry systems as compared to open croplands. Additionally, we analysed whether spiders with different habitat preferences (eurytopic, forest and open-habitat specialists) show distinct responses. Lastly, we analysed whether the influence of agroforestry changes with decreasing tree proximity and across the growing season. Tree row proximity generally benefited the abundance, as well as taxonomic and functional diversity of the overall spider communities. Alley-cropping promoted the abundance and taxonomic diversity of forest specialists and eurytopic spiders, without negatively affecting open-habitat specialists. The positive effect of alley cropping was strongest within tree rows and their immediate vicinity, but was still detectable at considerably farther distances. These patterns were temporally dynamic with spider abundance and taxonomic diversity being highest within tree rows in early spring and spiders spilling over to adjacent crop rows in subsequent periods. Synthesis and applications: Overall, our findings highlight that the inclusion of tree rows benefited spiders across the entirety of the 48 m crop rows, independent of crop type. Since the peak in spider abundance and taxonomic diversity in crop rows coincided with crop pest arrival, alley-cropping agroforestry is expected to benefit agricultural production through increased pest control potential. Alley-cropping agroforestry may therefore be an important management strategy to develop more sustainable agricultural systems benefiting farmers and biodiversity alike.",
keywords = "agroforestry, biodiversity, distance decay, functional diversity, generalist predators, spillover, top-down pest control, tree row",
author = "Dragan Matevski and Viktoria Sagolla and Lukas Beule and Andreas Schuldt",
note = "Publisher Copyright: {\textcopyright} 2024 The Author(s). Journal of Applied Ecology published by John Wiley & Sons Ltd on behalf of British Ecological Society.",
year = "2024",
month = dec,
doi = "10.1111/1365-2664.14797",
language = "English",
volume = "61",
pages = "3079--3091",
journal = "Journal of Applied Ecology",
issn = "0021-8901",
publisher = "Wiley-Blackwell Publishing Ltd.",
number = "12",

}

RIS

TY - JOUR

T1 - Temperate alley-cropping agroforestry improves pest control potential by promoting spider abundance and functional diversity

AU - Matevski, Dragan

AU - Sagolla, Viktoria

AU - Beule, Lukas

AU - Schuldt, Andreas

N1 - Publisher Copyright: © 2024 The Author(s). Journal of Applied Ecology published by John Wiley & Sons Ltd on behalf of British Ecological Society.

PY - 2024/12

Y1 - 2024/12

N2 - Intensive agricultural land use negatively impacts biodiversity, including arthropod predator diversity and their pest control potential. Alley-cropping agroforestry systems (integration of tree rows into arable land) are increasingly considered an economically viable alternative for more sustainable and biodiversity-friendly agriculture. However, their effectiveness in promoting generalist predator diversity and pest control, especially as a function of space (distance from tree rows) and time (across the growing season) remains poorly understood. We assessed how spider abundance, taxonomic and functional diversity (as proxies of pest control potential) respond to temperate alley-cropping agroforestry systems as compared to open croplands. Additionally, we analysed whether spiders with different habitat preferences (eurytopic, forest and open-habitat specialists) show distinct responses. Lastly, we analysed whether the influence of agroforestry changes with decreasing tree proximity and across the growing season. Tree row proximity generally benefited the abundance, as well as taxonomic and functional diversity of the overall spider communities. Alley-cropping promoted the abundance and taxonomic diversity of forest specialists and eurytopic spiders, without negatively affecting open-habitat specialists. The positive effect of alley cropping was strongest within tree rows and their immediate vicinity, but was still detectable at considerably farther distances. These patterns were temporally dynamic with spider abundance and taxonomic diversity being highest within tree rows in early spring and spiders spilling over to adjacent crop rows in subsequent periods. Synthesis and applications: Overall, our findings highlight that the inclusion of tree rows benefited spiders across the entirety of the 48 m crop rows, independent of crop type. Since the peak in spider abundance and taxonomic diversity in crop rows coincided with crop pest arrival, alley-cropping agroforestry is expected to benefit agricultural production through increased pest control potential. Alley-cropping agroforestry may therefore be an important management strategy to develop more sustainable agricultural systems benefiting farmers and biodiversity alike.

AB - Intensive agricultural land use negatively impacts biodiversity, including arthropod predator diversity and their pest control potential. Alley-cropping agroforestry systems (integration of tree rows into arable land) are increasingly considered an economically viable alternative for more sustainable and biodiversity-friendly agriculture. However, their effectiveness in promoting generalist predator diversity and pest control, especially as a function of space (distance from tree rows) and time (across the growing season) remains poorly understood. We assessed how spider abundance, taxonomic and functional diversity (as proxies of pest control potential) respond to temperate alley-cropping agroforestry systems as compared to open croplands. Additionally, we analysed whether spiders with different habitat preferences (eurytopic, forest and open-habitat specialists) show distinct responses. Lastly, we analysed whether the influence of agroforestry changes with decreasing tree proximity and across the growing season. Tree row proximity generally benefited the abundance, as well as taxonomic and functional diversity of the overall spider communities. Alley-cropping promoted the abundance and taxonomic diversity of forest specialists and eurytopic spiders, without negatively affecting open-habitat specialists. The positive effect of alley cropping was strongest within tree rows and their immediate vicinity, but was still detectable at considerably farther distances. These patterns were temporally dynamic with spider abundance and taxonomic diversity being highest within tree rows in early spring and spiders spilling over to adjacent crop rows in subsequent periods. Synthesis and applications: Overall, our findings highlight that the inclusion of tree rows benefited spiders across the entirety of the 48 m crop rows, independent of crop type. Since the peak in spider abundance and taxonomic diversity in crop rows coincided with crop pest arrival, alley-cropping agroforestry is expected to benefit agricultural production through increased pest control potential. Alley-cropping agroforestry may therefore be an important management strategy to develop more sustainable agricultural systems benefiting farmers and biodiversity alike.

KW - agroforestry

KW - biodiversity

KW - distance decay

KW - functional diversity

KW - generalist predators

KW - spillover

KW - top-down pest control

KW - tree row

UR - http://www.scopus.com/inward/record.url?scp=85205600566&partnerID=8YFLogxK

UR - https://www.mendeley.com/catalogue/6fc61241-57c8-3e4c-9cfc-d247acd4f8f4/

U2 - 10.1111/1365-2664.14797

DO - 10.1111/1365-2664.14797

M3 - Journal articles

AN - SCOPUS:85205600566

VL - 61

SP - 3079

EP - 3091

JO - Journal of Applied Ecology

JF - Journal of Applied Ecology

SN - 0021-8901

IS - 12

ER -

DOI

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