Seasonal dynamics of common ground beetles (Coleoptera: Carabidae) along an urbanisation gradient near Sorø, Zealand, Denmark

Elek, Zoltán; Howe, Andy G.; Enggaard, Mattias K.; Löveï, Gábor L.

doi:10.33338/ef.84673

Cited by 21 publications

(8 citation statements)

References 17 publications

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“…The second group consists of species whose activity pattern varied remarkably among the differently urbanized habitats. Adults of C. nemoralis appeared about 4 weeks earlier in the urban forest patches than the rural ones and showed a steep autumn activity increase in the rural habitats [47,48].…”

Section: Effects Of Urbanization At the Population Levelmentioning

confidence: 95%

“…Changes in microclimate associated with urbanization (e.g., the urban "heat island" effect) could influence the activity start or change the timing of activity peaks of urban populations. Studies on seasonality of ground beetles along a Danish urbanization gradient identified two main groups [47,48]. The first one includes species whose activity profiles did not differ between rural and urban habitats (N. brevicollis with bimodal and P. melanarius with unimodal activity pattern).…”

Section: Effects Of Urbanization At the Population Levelmentioning

confidence: 99%

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Consequences of Urban Living: Urbanization and Ground Beetles

Magura

Löveï

2020

Curr Landscape Ecol Rep

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Purpose of Review Urbanization is increasing worldwide, transforming environmental and habitat parameters, and causing adverse effects on organisms living in urban habitats. Urban studies on ground beetles are exponentially increasing and cover all levels of biological organization. Still, to date, there is no comprehensive paper reviewing the impacts of urbanization on ground beetles at different levels of biological organization. Recent Findings At the population level, urbanization induces changes in the morphological characters, including fluctuating asymmetry, physiological condition, behavioral characteristics, seasonal activity, population size, and genetic diversity in ground beetles. Different species groups (habitat specialists vs. generalists, large vs. small-sized species, poor vs. good dispersers, predators vs. herbivores) respond differently to urbanization. Community-level changes associated with urbanization include the abundance, taxonomic as well as functional diversity, community assembly mechanisms, composition, and body size distribution. At the ecosystem level, urbanization influences several ecosystem processes and functions related to ground beetles, but data are only available concerning the edge effect and predation. Summary Urbanization has a considerable effect at various levels of the biological organization on ground beetles living in urban habitats. However, results—especially at the population and community levels—show inconsistent patterns. This discrepancy may result from individual responses and different sensitivity of species to urbanization, suggesting the importance of individualistic and functional approach in future urban studies. To preserve a rich carabid diversity in urban areas, multi-scale greenspace planning and management schemes are needed; these will also ensure both the recreational and the diversity-preserving function of urban green spaces.

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Section: Effects Of Urbanization At the Population Levelmentioning

confidence: 95%

Section: Effects Of Urbanization At the Population Levelmentioning

confidence: 99%

Consequences of Urban Living: Urbanization and Ground Beetles

Magura

Löveï

2020

Curr Landscape Ecol Rep

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“…The second maximum of the activity of C. nemoralis occurs in October, which is outside the period of our study. The course of the second maximum is influenced by temperature, where, in warmer years, newly hatched individuals are more active in autumn [31]. This situation occurred in the autumn of 2018, where the species was active at three study plots (both forest stands and the R1 recovering forest stand, Figure 4).…”

Section: Discussionmentioning

confidence: 98%

“…Adults remain active until about July, then start aestivation during August and September. The work in [31] states that C. nemoralis is a species that reproduces in spring and that its seasonal activity features two peaks. The second maximum of the activity of C. nemoralis occurs in October, which is outside the period of our study.…”

Section: Discussionmentioning

confidence: 99%

Carabus Population Response to Drought in Lowland Oak Hornbeam Forest

Šiška

Eliašová

Kollár

2020

Water

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Forest management practices and droughts affect the assemblages of carabid species, and these are the most important factors in terms of influencing short- and long-term population changes. During 2017 and 2018, the occurrences and seasonal dynamics of five carabid species (Carabus coriaceus, C. ulrichii, C. violaceus, C. nemoralis and C. scheidleri) in four oak hornbeam forest stands were evaluated using the method of pitfall trapping. The climate water balance values were cumulatively calculated here as cumulative water balance in monthly steps. The cumulative water balance was used to identify the onset and duration of drought. The number of Carabus species individuals was more than three times higher in 2018 than in 2017. Spring activity was influenced by temperature. The extremely warm April in 2018 accelerated spring population dynamics; however, low night temperatures in April in 2017 slowed the spring activity of nocturnal species. Drought negatively influenced population abundance, and the effect of a drought is likely to be expressed with a two-year delay. In our investigation, a drought in 2015 started in May and lasted eight months; however, the drought was not recorded in 2016, and 2016 was evaluated as a humid year. The meteorological conditions in the year influenced seasonal activity patterns and the timings of peaks of abundance for both spring breeding and autumn breeding Carabus species.

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“…For identification, keys by Lindroth (1985Lindroth ( , 1986 and Hůrka (1996) were used. The total material collected was 10314 individuals of 43 species in 2004, and 4961 individuals of 38 species in 2005 (Elek et al 2017).…”

Section: Methodsmentioning

confidence: 99%

The use of percentile-percentile plots to compare differences in seasonal dynamics, illustrated by the case of ground beetles (Coleoptera, Carabidae) reacting to urbanisation

et al. 2018

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We suggest the use of a graphical method, involving a standardisation of the seasonal activity curves and their subsequent comparison by a percentile-percentile graph as an easy way to compare seasonal activities in arthropods. To test the suitability of the suggested method, the seasonal dynamics of three common carabid beetles, Pterostichus melanarius, Nebria brevicollis and Carabus nemoralis were compared in three habitats (rural forest, suburban and urban forest fragments) along an urbanisation gradient near Sorø, Denmark, in 2004 and 2005. Activity in urban habitats often started earlier, possibly caused by the warmer microclimate in the city centre. The comparative graphs indicated the unsuitability of the suburban habitat for N. brevicollis, and the differential suitability as overwintering habitat of the three urbanisation stages for C. nemoralis. The method seems suitable to analyse differences in seasonal activity while being more sensitive than traditional seasonal-activity graphs.

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Seasonal dynamics of common ground beetles (Coleoptera: Carabidae) along an urbanisation gradient near Sorø, Zealand, Denmark

Cited by 21 publications

References 17 publications

Consequences of Urban Living: Urbanization and Ground Beetles

Consequences of Urban Living: Urbanization and Ground Beetles

Carabus Population Response to Drought in Lowland Oak Hornbeam Forest

The use of percentile-percentile plots to compare differences in seasonal dynamics, illustrated by the case of ground beetles (Coleoptera, Carabidae) reacting to urbanisation

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