Urbanization disrupts latitude‐size rule in 17‐year cicadas

Beasley, DeAnna E.; Penick, Clint A.; Boateng, Nana S.; Menninger, Holly L.; Dunn, Robert R.

doi:10.1002/ece3.3879

Cited by 11 publications

(10 citation statements)

References 72 publications

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“…It is also known that habitat modification (i.e. fragmentation, urbanization) or a shift of diet can modify body size clines (Beasley, Penick, Boateng, Menninger, & Dunn, ; Merckx, Kaiser, & Van Dyck, ; Merckx, Souffreau, et al, ; Virgos et al, ; Warzecha, Diekötter, Wolters, & Jauker, ), though these factors are much less studied. Larger individuals may be favoured in fragmented habitats as they can reach isolated patches more easily due to their higher mobility (e.g.…”

Section: Introductionmentioning

confidence: 99%

Shift in size of bumblebee queens over the last century

Gérard

Martinet

Maebe

et al. 2019

Global Change Biology

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Species can respond differently when facing environmental changes, such as by shifting their geographical ranges or through plastic or adaptive modifications to new environmental conditions. Phenotypic modifications related to environmental factors have been mainly explored along latitudinal gradients, but they are relatively understudied through time despite their importance for key ecological interactions. Here we hypothesize that the average bumblebee queen body size has changed in Belgium during the last century. Based on historical and contemporary databases, we first tested if queen body sizes changed during the last century at the intraspecific level among four common bumblebee species and if it could be linked to global warming and/or habitat fragmentation as well as by the replacement by individuals from new populations. Then, we assessed body size changes at the community level, among 22 species, taking into account species population trends (i.e. increasing, stable or decreasing relative abundance). Our results show that the average queen body size of all four bumblebee species increased over the last century. This size increase was significantly correlated to global warming and habitat fragmentation, but not explained by changes in the population genetic structure (i.e. colonization). At the community level, species with stable or increasing relative abundance tend to be larger than declining species. Contrary to theoretical expectations from Bergmann's rule (i.e. increasing body size in colder climates), temperature does not seem to be the main driver of bumblebee body size during the last century as we observed the opposite body size trend. However, agricultural intensification and habitat fragmentation could be alternative mechanisms that shape body size clines. This study stresses the importance of considering alternative global change factors when assessing body size change.

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Section: Introductionmentioning

confidence: 99%

Shift in size of bumblebee queens over the last century

Gérard

Martinet

Maebe

et al. 2019

Global Change Biology

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“…With ongoing rapid urban expansion, (Cincotta et al, 2000; Luck, 2007; Seto et al, 2012), there is a critical need to understand how typical biogeographic patterns might be impacted by or interact with urbanisation. While this area of research is largely understudied, early evidence on the differential impact of urbanisation across latitude has been observed in insect morphology (Beasley et al, 2018). In cicadas, non‐urban populations exhibited the typical relationship of increasing body size with latitude, whereas urban populations exhibited the opposite trend.…”

Section: Discussionmentioning

confidence: 99%

Urbanisation dampens the latitude‐diversity cline in ants

Perez

Chick

Menke

et al. 2022

Insect Conserv Diversity

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1. The increase in species diversity from temperate to tropical regions is one of the most widespread patterns in biogeography. As humans continue to drastically modify natural habitats, land-use changes such as the development of cities could potentially alter typical latitudinal diversity gradients. Cities could depress or enhance biodiversity through filtering, localised extirpations, or increasing niche availability, respectively. 2. To address these possibilities and the consequences for the latitudinal diversity gradient, we constructed a global dataset of urban species diversity (richness) and community composition across $60 of absolute latitude and from 63 cities. We focused our study on ants, for which comparable urban and non-urban diversity data are broadly available.3. We found that urbanisation significantly dampened the latitude-diversity cline. The effects of urbanisation varied with latitude: at lower latitudes, cities were relatively species poor and harboured distinct ant communities relative to nearby non-urban communities. In higher latitude cities, both species richness and community composition were more similar to the surrounding non-urban ant communities. 4. Our analyses suggest that the strongest impacts of urbanisation on ant diversity may be in the tropics, where biological diversity is already expected to experience the greatest risk of extinction in the face of climate change.

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“…It is important that there is no anthropogenic impact at those territories. The latter could smear a character of traits variation when latitude was taken as predictor [54]. In Byelorussia (hereafter Belarus) we sampled beetles in Tulovo plot (55 0 13′N 30 0 18′ E).…”

Section: Methodsmentioning

confidence: 99%

Modeling sexual differences of body size variation in ground beetles in geographical gradient (The case study in Pterostichus oblongpunctatus Fabricius, 1787)

Sukhodolskaya¹,

Saveliev²,

Ukhova³

et al. 2020

GSC Biol. and Pharm. Sci.

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Fleshing out the mechanisms of Bergmann rule, we found saw-tooth pattern in body size variation in ground beetle Pterostichus oblongopunctatus. We sampled beetles in 2010 – 2018 at the forest undisturbed plots on the broad territory in Russia and Belarus. Investigating regions covered territory, extending to 3 degrees latitude and 31 degrees longitude. We measured six traits in every of 3294 caught individuals. ANOVA showed that geographical location and sex affected significantly body size of the species studied. Mean values of each trait changed significantly from one studied region to another in females and males as well. Sexual size dimorphism in species was female-biased. We performed models in R to estimate the steepness of body size variation in both sexes. In overwhelming majority of cases that parameter was equal in both sexes. So the hypothesis, that male′s variation is steeper in latitude gradient was not confirmed.

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Urbanization disrupts latitude‐size rule in 17‐year cicadas

Cited by 11 publications

References 72 publications

Shift in size of bumblebee queens over the last century

Shift in size of bumblebee queens over the last century

Urbanisation dampens the latitude‐diversity cline in ants

Modeling sexual differences of body size variation in ground beetles in geographical gradient (The case study in Pterostichus oblongpunctatus Fabricius, 1787)

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