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Patterns of insect damage types reflect complex environmental signal in Miocene forest biomes of Central Europe and the Mediterranean
Swedish Museum of Natural History, Department of Paleobiology.ORCID iD: 0000-0001-9535-1206
2021 (English)In: Global and Planetary Change, ISSN 0921-8181, E-ISSN 1872-6364, Vol. 199, article id 103451Article in journal (Refereed) Epub ahead of print
Abstract [en]

Ecosystems are defined by the community of living organisms and how they interact together and with theirenvironment. Insects and plants are key taxa in terrestrial ecosystems and their network determines the trophicstructure of the environment. However, what drives the interactions between plants and insects in modern andfossil ecosystems is not well understood. In this study, we analyzed insect damage richness and frequency in 5000 fossil leaves deposited during the early Miocene at 20–17 Ma along a latitudinal gradient from Europe (twolocalities in Czech Republic) to Turkey (one locality) in a temperate climate setting. Damage frequency wasmainly linked with abiotic factors (temperature, precipitation seasonality) whereas damage richness was mainlylinked with biotic factors (plant richness, biome). Univariate analysis of insect damage types consistently suggested closer trophic similarity between the Mediterranean and either the one or the other Central European plant assemblage. In contrast, multivariate analysis of all insect damage types indicated closer similarity between the two Central European sites highlighting the importance of biogeographic legacy and geographic closeness to the plant-insect interaction patterns. Our results underscore the high complexity of the herbivory network andcall for careful interpretations of plant-insect interaction patterns in palaeoecological studies. Finally, comparing the trophic similarity between different localities using total evidence plots as done in this work might be apromising complementary method in comparative studies of plant-insect interactions.

Place, publisher, year, edition, pages
Amsterdam: Elsevier, 2021. Vol. 199, article id 103451
Keywords [en]
Insect damage, Fossil leaves, Palaeoclimate, Miocene, Güvem, Most Formation
National Category
Other Earth and Related Environmental Sciences
Research subject
Ecosystems and species history; The changing Earth
Identifiers
URN: urn:nbn:se:nrm:diva-4507DOI: 10.1016/j.gloplacha.2021.103451OAI: oai:DiVA.org:nrm-4507DiVA, id: diva2:1618571
Funder
Swedish Research Council, 2015‐ 03986Available from: 2021-12-09 Created: 2021-12-09 Last updated: 2021-12-13Bibliographically approved

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Adroit et al. 2021(7440 kB)222 downloads
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Publisher's full texthttps://doi.org/10.1016/j.gloplacha.2021.103451

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Denk, Thomas
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