Beetle’s responses to edges in fragmented landscapes are driven by adjacent farmland use, season and cross-habitat movement

Ng, Katherina; Barton, Philip S.; Lindenmayer, David B.; Driscoll, Don A.

doi:10.1007/s10980-017-0587-7

Cited by 15 publications

(13 citation statements)

References 55 publications

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“…Temperature has been reported as the most important environmental factor for carabid communities (Eyre et al, 2005;Ernst & Buddle, 2015;Yu et al, 2016), and our results support this conclusion. Previous research found that vegetation and soil characteristics are also important drivers of carabid species composition (Holmes, Boyce & Reed, 1993;Perner & Malt, 2003;Schaffers et al, 2008;Gioria et al, 2010;Birkhofer et al, 2015;Liu et al, 2016;Vogels et al, 2017;Ng, et al, 2018b). We found that at regional scale all vegetation and soil factors were important predictors of carabid community composition.…”

Section: Discussionsupporting

confidence: 56%

Peer Review #1 of "Carabid community structure in northern China grassland ecosystems: Effects of local habitat on species richness, species composition and functional diversity (v0.1)"

Gobbi¹

2019

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Background: Most carabid beetles are particularly sensitive to local habitat characteristics. Although in China grasslands account for more than 40% of the national land, their biodivesity is still poorly known. The aim of this paper is to identify the main environmental characteristics influencing carabid diversity in different types of grassland in northern China. Methods: We investigated the influence of vegetation (plant biomass, coverage, density, height and species richness), soil (bulk density, above ground litter, moisture and temperature) and climate (humidity, precipitation and temperature) on carabid community structure (species richness, species composition and functional diversity-measured as body size, movement and total diversity) in three types of grasslands: desert, typical and meadow steppes. We used Canonical Correspondence Analysis to investigate the role of habitat characteristics on species composition and eigenvector spatial filtering (ESF) to investigate the responses of species richness and functional diversities. Results: We found that carabid community structure was strongly influenced by local habitat characteristics and particularly by climatic factors. Carabids in the desert steppe showed the lowest richness and functional diversities. Climate predictors (temperature, precipitation and humidity) had positive effects on carabid species richness at both regional and ecosystem levels, with difference among ecosystems. Plant diversity had a positive influence on carabid richness at the regional level. Soil compaction and temperature were negatively related to species richness at regional level. Climatic factors positively influenced functional diversities, whereas soil temperature had negative effects. Soil moisture and temperature were the most important drivers of species composition at regional level, whereas the relative importance of the various environmental parameters varied among ecosystems. Discussion: Carabid responses to environmental characteristics varied among grassland types, which warns against generalizations and indicates that management programs should be considered at grassland scale. Carabid community structure is strongly influenced by climatic factors, and can therefore be particularly sensitive to ongoing climate change.

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Section: Discussionsupporting

confidence: 56%

Peer Review #1 of "Carabid community structure in northern China grassland ecosystems: Effects of local habitat on species richness, species composition and functional diversity (v0.1)"

Gobbi¹

2019

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“…Cultivated land is an important green space and spatial basis for preserving the ecosystem services and social economic development in the southern plain region. This not only has the function of producing food but also serves as the habitats for many species and the leisure space for urban and rural residents [23][24][25]. However, after nearly 20 years of rapid urbanization, the cultivated land in the suburbs of big cities in the BTH region has been massively occupied by built-up land.…”

Section: Discussionmentioning

confidence: 99%

Spatiotemporal Dynamics of Green Spaces in the Beijing–Tianjin–Hebei Region in the Past 20 Years

2018

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Rapid urbanization has caused the reduction of green spaces in most cities, disrupting the structure and process of urban and rural ecosystems. The accurate identification of spatiotemporal changes in green spaces is important to delineate future management and planning. We investigated green space types of the Beijing–Tianjin–Hebei region in 1995, 2000, 2005, 2010, and 2015 based on the elevation data and land use/cover for those years. Spatiotemporal changes in these identified green spaces between 1995 and 2015 were evaluated as well as the spatial hotspots of disappeared and unstable green patches. The results indicate that the cultivated land in plains and forests and cultivated land in medium-high mountainous areas were the main green space types in the Beijing–Tianjin–Hebei region during the period from 1995 to 2015. A large number of green spaces, in particular cultivated lands, in the peripheral areas of big cities were replaced by construction sites over the past 20 years. Hotspots of unstable green spaces were mainly distributed in the western and northern mountainous areas of the Beijing–Tianjin–Hebei region, where green spaces changed from one type to another. These findings provide an important reference for the management and planning of land and green spaces towards an integrative and collaborative development of the Beijing-Tianjin-Hebei region.

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“…We confirm that major differences between woodland patches and farmlands are supported by pairwise comparisons of compositional dissimilarity (Bray-Curtis) of beetle communities between different land-uses, based on permutational multivariate analysis of variance (PERMANOVA) (examined in Ng et al 2017, Ecosphere), where we have found, for example, that overall beetle species composition was always significantly different between remnant patches and all farmland matrix types during spring (although patterns are more complex during summer and could be linked to seasonal movement; Ng et al 2018 Landscape Ecology -note that the issue of movement is discussed in our Response to general comment (3)). In addition to the PERMANOVA tests, detailed CCA ordination plots also show distinct clustering of beetle assemblages between remnant patches and the different farmland types (and edges) -this plot is shown further below and is also now in Fig.…”

Section: Response To Specific Comment (10)mentioning

confidence: 70%

“…This finding was attributed to 465 higher diversity of structural variation of different growth forms, which provide increased ecological niches prey foraging resources. Similarly, we previously found that habitat edges not only supported several 478 potential edge-specialists, but were also permeable to cross-habitat movement for all trophic groups 479 depending on the degree of (vegetation-mediated) contrast between the adjoining habitats (Ng et al 2018).…”

mentioning

confidence: 68%

“…We thank the reviewer for raising this important point. We have recently published a paper on the movement patterns of beetle assemblages across the different habitats in this study landscape (Ng et al 2018 Landscape Ecology). Findings in this paper include identified movement of detritivorous beetles from farmlands towards woodlands during spring, and movement of predatory beetles towards edges from farmlands during summer.…”

Section: Response To General Comment (3)mentioning

confidence: 99%

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Dynamic effects of ground-layer plant communities on beetles in a fragmented farming landscape

McIntyre

Barton

et al. 2018

Biodivers Conserv

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Vegetation effects on arthropods are well recognized, but it is unclear how different vegetation attributes might influence arthropod assemblages across mixed-agricultural landscapes. Understanding how plant communities influence arthropods under different habitat and seasonal contexts can identify vegetation management options for arthropod biodiversity. We examined relationships between vegetation structure, plant species richness and plant species composition, and the diversity and composition of beetles in different habitats and time periods. We asked: (1) What is the relative importance of plant species richness, vegetation structure and plant composition in explaining beetle species richness, activity-density and composition? (2) How do plantbeetle relationships vary between different habitats over time? We sampled beetles using pitfall traps and surveyed vegetation in three habitats (woodland, farmland, their edges) during peak crop growth in spring and post-harvest in summer. Plant composition better predicted beetle composition than vegetation structure. Both plant richness and vegetation structure significantly and positively affected beetle activitydensity. The influence of all vegetation attributes often varied in strength and direction between habitats and seasons for all trophic groups. The variable nature of plantbeetle relationships suggests that vegetation management could be targeted at specific habitats and time periods to maximize positive outcomes for beetle diversity. In particular, management that promotes plant richness at edges, and promotes herbaceous cover during summer, can support beetle diversity. Conserving ground cover in all habitats may improve activity-density of all beetle trophic groups. The impacts of existing weed control strategies in Australian crop margins on arthropod Abstract (247); Main text (6664); Acknowledgements (108); Abstract 21 Vegetation effects on arthropods are well recognized, but it is unclear how different vegetation attributes 22 24 Gibb H, Retter B, Cunningham SA, Barton PS (2017). Does wing morphology affect recolonization of 557 restored farmland by ground-dwelling beetles? Restoration Ecology 25:234-242 558 Goslee SC, Urban DL (2007). The ecodist package for dissimilarity-based analysis of ecological data. J Stat. 559

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Beetle’s responses to edges in fragmented landscapes are driven by adjacent farmland use, season and cross-habitat movement

Cited by 15 publications

References 55 publications

Peer Review #1 of "Carabid community structure in northern China grassland ecosystems: Effects of local habitat on species richness, species composition and functional diversity (v0.1)"

Peer Review #1 of "Carabid community structure in northern China grassland ecosystems: Effects of local habitat on species richness, species composition and functional diversity (v0.1)"

Spatiotemporal Dynamics of Green Spaces in the Beijing–Tianjin–Hebei Region in the Past 20 Years

Dynamic effects of ground-layer plant communities on beetles in a fragmented farming landscape

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