Checklist of the Diptera (Insecta) of Finland: an introduction and a summary of results.

Zookeys · 2014 · PMC4200444 · PMID 25337004

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a decreasing trendno p-value reported

Most Diptera families show a decreasing trend in the number of species with latitude in Europe, but some are genuinely more diverse in the boreal zone (see Kjærandsen et al. 2007 ).

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