Effects of dispersed broadleaved and aggregated conifer tree retention on ground beetles in conifer plantations

Yamanaka, Satoshi; Yamaura, Yuichi; Sayama, Katsuhiko; Sato, Shigeho

doi:10.1016/j.foreco.2021.119073

Cited by 12 publications

(7 citation statements)

References 36 publications

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“…2019, Yamanaka et al. 2021). Changes in the taxon‐based measures for ground beetle assemblages will evidently reflect carabids' functional role in the forest ecosystems due to the fact that their functional traits are highly connected with their taxonomic identity (Magura 2017, Magura and Lövei 2019).…”

Section: Introductionmentioning

confidence: 98%

“…Within the framework of biodiversity and conservation studies in managed forests, species composition, richness, alpha diversity indices, and abundance are the simplest measures for biodiversity, based on the species taxonomic identity of the individuals (Magura 2017). Previous studies revealed that species composition have changed the most, while changes in species richness and abundance among forestry treatment were equivocal, mostly connected to the annual variation (Heikkala et al 2016, Koivula et al 2019, Yamanaka et al 2021. Changes in the taxon-based measures for ground beetle assemblages will evidently reflect carabids' functional role in the forest ecosystems due to the fact that their functional traits are highly connected with their taxonomic identity (Magura 2017, Magura andL€ ovei 2019).…”

Section: Introductionmentioning

confidence: 99%

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Functional plasticity of carabids can presume better the changes in community composition than taxon‐based descriptors

Elek

Růžičková

Odór

2021

Ecological Applications

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Although the functional trait approach can facilitate the understanding of mechanisms that underline community responses to habitat alteration, only a few studies used this way on exploring the structure of insect assemblages compared to taxon‐based analyses. We compared the descriptive power of medium‐term effects (2014–2018) of forestry treatments in a temperate managed oak‐dominated forest on taxon‐ vs. trait‐based descriptors of ground beetle assemblages. The treatments included rotation forestry (partial preparation cutting, clear‐cutting, retention‐tree group, and mature closed forest as control) and continuous cover forestry (gap cutting) operations. The species composition was only slightly influenced by the treatments; on the ordination biplot, the control, retention tree group, and clear‐cutting treatments formed relatively homogeneous groups, well separated from each other, while the others were scattered randomly in the ordination space. Over time, the species richness decreased in all treatments, but it was higher in the retention tree group treatment than in others in 2016 and 2017. The activity density also declined between years, but an immediate mass effect was revealed after the implementation of treatment types especially in the control, gap, and preparation cuts. We found that assemblages in the clear‐cutting and retention‐tree group had similar characteristics: high functional diversity; more open‐habitat, generalist, and omnivore species and fewer carnivore species; while those in the control, gap, and preparation cutting groups had the opposite: lower functional diversity, more forest species, and more carnivorous species. Our findings will demonstrate that the simultaneous use of the two approaches will allow the most articulate understanding of the status of ground beetles assemblages in managed forests.

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Section: Introductionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Functional plasticity of carabids can presume better the changes in community composition than taxon‐based descriptors

Elek

Růžičková

Odór

2021

Ecological Applications

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“…(https://japanesebeetles.jimdofree.com/). Hori (2001Hori ( , 2003Hori ( , 2012; however, this species commonly occurs in forests, and was categorized as a forest-dependent species in previous studies (Kaizuka et al 2020;Yamanaka et al 2021). Thus, we treated this species as a forest-dependent species.…”

Section: Idmentioning

confidence: 99%

Effects of plantation intensity on longhorn and carabid beetles in conifer plantations mixed with broadleaved trees in northern Japan

Irie

Kawamura

Yamanaka

et al. 2023

Journal of Forest Research

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Beetle collection and groupingDetails of beetle collection and list of observed beetle species (Fig. S3, Table S1, Table S2)………………………..……...…..………………………………………………………...p. Vegetation and soil moisture surveyStand age and tree survey results for each site (Table S3)….…..…………………….…………….p. Details of survey results for understory vegetation and soil moisture content (Table S4)………….p. 8

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“…The scientific name of each species was in accordance with Suzuki (2022). Carabid species are categorised into forest and non-forest species according to the literature (Hori, 2001(Hori, , 2003(Hori, , 2012Yamanaka et al, 2021). Silphid species (Silpha perforata) are categorised as forest species according to Katakura et al (1986).…”

Section: Effects Of the Removal Process On Sampled Abundancementioning

confidence: 99%

“…Pitfall trapping is one of the most widely used techniques for ground invertebrate sampling (Henderson & Southwood, 2016; Woodcock, 2005). As such, pitfall trap sampling has been used in various studies of ground‐dwelling beetles, including the examination of their regional community and habitat preferences (Jouveau et al, 2019; Niemela & Halme, 1992) and the anthropogenic impact on this group (Koivula et al, 2019; Yamanaka et al, 2021). However, the abundance sampled using pitfall traps is determined through the sampling process, which is influenced by several factors, including the sampling design and targeted site‐ and species‐specific characteristics.…”

Section: Introductionmentioning

confidence: 99%

Examining the bias of pitfall traps with enclosure experiments and removal sampling

Yamanaka

Yamaura

2023

Insect Conserv Diversity

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Pitfall trapping is among the most widely used sampling methods for ground‐dwelling beetles. However, the sampled ground‐dwelling beetle abundance in pitfall traps may be biased, which can lead to difficulties when comparing the sampled abundance between different habitats. To better understand the comparability of the sampled abundance, we focused on two sampling processes: a temporary migration process (referring to the individual movements into and out of the effective trap area) and a removal process (determining the number of individuals collected given the number of individuals within the trap area). To examine the effects of the temporary migration process, we compared the sampled abundance of 10 ground‐dwelling beetle species inside and outside enclosures in 2 habitats (clear‐cut and forested sites) and found that installing the enclosure decreased the sampled abundance in both habitats, but the effects did not differ among habitats. To examine the effects of the removal process, we examined the effects of daily soil temperature on the daily sampled abundance (removal probability) of Pterostichus thunbergi using removal sampling within enclosures. We found that soil temperature increased the removal probability, but this effect was limited and not consistent across survey periods. The results suggest that the effects of the temporary migration process may not be habitat dependent and that the effects of the removal process may be small. Therefore, the traditional use of pitfall traps is, to some extent, a robust and comparable measure of the sampled abundance of ground‐dwelling beetles among different habitats.

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Effects of dispersed broadleaved and aggregated conifer tree retention on ground beetles in conifer plantations

Cited by 12 publications

References 36 publications

Functional plasticity of carabids can presume better the changes in community composition than taxon‐based descriptors

Functional plasticity of carabids can presume better the changes in community composition than taxon‐based descriptors

Effects of plantation intensity on longhorn and carabid beetles in conifer plantations mixed with broadleaved trees in northern Japan

Examining the bias of pitfall traps with enclosure experiments and removal sampling

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