Diel activity patterns of alpine carabid beetles (Coleoptera: Carabidae) differ according to habitat type

Hiramatsu, Shin-ichi; Usio, Nisikawa

doi:10.3956/2020-96.2.99

Cited by 1 publication

(2 citation statements)

References 25 publications

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“…For example, diurnal, nocturnal, and both diurnal and nocturnal beetles were observed in a Scottish farmland [63]. Furthermore, carabid beetles display diurnal or nocturnal activity patterns in lowland and alpine areas depending on their species characteristics, habitat type, and ground surface temperature [23]. Daytime factors, soil surface temperature, season, locality [64], fragmentation, and land-use changes [65] have also been reported to affect the diurnal activity of ground-dwelling beetles in forests and clear-cut areas.…”

Section: Hourly Dynamics Of Abundance In Each Taxonmentioning

confidence: 99%

“…Previous studies have usually used suction samples, sweep net samples [17], light sources [19,20], and pitfall traps [18,21] to collect diel dynamics data of ground-dwelling invertebrate communities. However, these methods are timeconsuming, labor-intensive, and costly [22], usually requiring relatively coarse temporal intervals, such as 3 [23], 4 [24], 6 [17], or 12 h [25] intervals. Therefore, it is still unclear whether significant variation exists within a 24 h period in ground-dwelling invertebrate communities at 1 h intervals.…”

Section: Introductionmentioning

confidence: 99%

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Preliminary Study on Hourly Dynamics of a Ground-Dwelling Invertebrate Community in a Farmland Vineyard

Gao,

Sun,

et al. 2024

Insects

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We evaluated the hourly dynamics of ground-dwelling invertebrate communities in farmland using infrared camera traps between August and September 2022. No significant variations within 24 h nor between any two time points of each day were observed in the taxonomic richness and abundance of the entire community. However, the periods from 4:00 to 7:00 and 13:00 to 20:00 showed relatively high taxonomic richness, while those from 2:00 to 6:00 and 16:00 to 21:00 showed relatively high abundance. Millipede abundance varied significantly in a 24 h period, with higher abundance from 3:00 to 4:00 and 1:00 to 2:00. Additionally, slug, beetle, and grasshopper abundances were significantly higher from 22:00 to 23:00, 17:00 to 18:00, and 23:00 to 24:00, respectively. The abundance of other taxa did not show significant variations between any two time points of a day. Predominant generalist predators showed positive correlation in their activity times. These results suggest that significant variations within each 24 h period are uncommon at either community or taxa (except for millipedes) levels in farmland ground-dwelling invertebrates. Further, while most taxa had significantly preferred active hours, the total community did not. Therefore, hourly dynamics should be considered to understand biodiversity maintenance.

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