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Linear habitats across a range of farming intensities contribute differently to dipteran abundance and diversity

Ahmed, KSD, Volpato, A, Day, MF, Mulkeen, CJ, O'Hanlon, A, Carey, J, Williams, CD, Ruas, S, Moran, J, Rotchés-Ribalta, R, ÓhUallacháin, D, Stout, JC, Hodge, S, White, B and Gormally, MJ (2020) Linear habitats across a range of farming intensities contribute differently to dipteran abundance and diversity. Insect Conservation and Diversity. ISSN 1752-458X

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Abstract

While the value of linear farm habitats for the protection and enhancement of farmland biodiversity in general is known, less is understood about their contribution to Diptera, especially those with different ecological requirements. In this study, we examined the impact of a range of linear farm habitats in agricultural grassland on Syrphidae and Sciomyzidae (Diptera) both of which provide important ecosystem services. Species richness and abundance for each family were measured across five different linear habitat types (dense and open hedgerows with/without adjacent watercourses and watercourses only). While dense hedgerows with adjacent watercourses showed the greatest numbers of Syrphidae species and individuals, open hedgerows with adjacent watercourses had significantly more Sciomyzidae species and individuals than dense hedgerows without watercourses or open hedgerows only. Syrphidae species richness was significantly correlated with the flowering plant species richness of linear habitats, while Sciomyzidae species richness was correlated with a habitat quality score for grasslands adjacent to the linear habitats. Overall, Syrphidae and Sciomyzidae species richness and community composition are shown to reflect a farming intensity gradient with significantly greater species richness for both families on extensive farms. Our results suggest that different dipteran taxa which utilise linear habitats may have different requirements. This has implications for future agri-environmental schemes in the context of how we assess the conservation value of linear habitats on farmlands. © 2020 Royal Entomological Society

Item Type: Article
Additional Information: This is the peer reviewed version of the following article: Ahmed, K.S.D., Volpato, A., Day, M.F., Mulkeen, C.J., O'Hanlon, A., Carey, J., Williams, C., Ruas, S., Moran, J., Rotchés‐Ribalta, R., ÓhUallacháin, D., Stout, J.C., Hodge, S., White, B. and Gormally, M.J. (2020), Linear habitats across a range of farming intensities contribute differently to dipteran abundance and diversity. Insect Conserv Divers., which has been published in final form at https://dx.doi.org/10.1111/icad.12455. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
Uncontrolled Keywords: 0502 Environmental Science and Management, 0602 Ecology, 0608 Zoology
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Q Science > QH Natural history
Q Science > QH Natural history > QH301 Biology
Divisions: Biological & Environmental Sciences (new Sep 19)
Publisher: Wiley
Date Deposited: 26 Oct 2020 10:01
Last Modified: 26 Oct 2020 10:01
DOI or Identification number: 10.1111/icad.12455
URI: https://researchonline.ljmu.ac.uk/id/eprint/13903

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