The effect of mulching on the abundance and diversity of ground beetle assemblages in two hungarian potato fields

Dudás, Péter; Gedeon, Csongor I.; Menyhárt, László; Ambrus, Gergely; Tóth, Ferenc

doi:10.18380/szie.colum.2016.3.1.45

Cited by 10 publications

(5 citation statements)

References 23 publications

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“…In addition, crop diversity could indirectly attract and support carabid richness by providing habitat and resources for carabid prey [25,77,78]. Documented increases in carabid activity density with more leaf litter corroborate previous results (e.g., [79,80]). Interestingly, landscape factors predicted carabid activity but not species richness in gardens.…”

Section: Discussionsupporting

confidence: 80%

Local and Landscape Drivers of Carabid Activity, Species Richness, and Traits in Urban Gardens in Coastal California

Philpott

Albuquerque

Bichier

et al. 2019

Insects

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Urban ecosystems, as mosaics of residential, industrial, commercial, and agricultural land, present challenges for species survival due to impervious surface, degradation, fragmentation, and modification of natural habitat, pollution, and introduced species. Some urban habitats, such as community gardens, support biodiversity and promote ecosystem services. In gardens, local factors (e.g., vegetation, groundcover) and landscape surroundings (e.g., agriculture, built or impervious cover) may influence species abundance, richness, and functional traits that are present. We examined which local and landscape factors within 19 community gardens in the California central coast influence ground beetle (Carabidae) activity density, species richness, functional group richness, and functional traits—body size, wing morphology, and dispersal ability. Gardens with higher crop richness and that are surrounded by agricultural land had greater carabid activity density, while species and functional group richness did not respond to any local or landscape factor. Gardens with more leaf litter had lower carabid activity, and gardens with more leaf litter tended to have more larger carabids. Changes in local (floral abundance, ground cover) and landscape (urban land cover) factors also influenced the distribution of individuals with certain wing morphology and body size traits. Thus, both local and landscape factors influence the taxonomic and functional traits of carabid communities, with potential implications for pest control services that are provided by carabids.

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Section: Discussionsupporting

confidence: 80%

Local and Landscape Drivers of Carabid Activity, Species Richness, and Traits in Urban Gardens in Coastal California

Philpott

Albuquerque

Bichier

et al. 2019

Insects

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“…Due to mulching, carabids were found to be more abundant and diverse compared to un-mulched fields, especially in potato fields. Mulching increased the total amount of captured beetles with 17% more on hay mulched and 14% on leaf litter mulched plots [111]. Higher abundances of natural enemies on mulched than on non-mulched plots were very likely responsible for an expansion in yield due to a reduction of CPB leaf feeding [128,129].…”

Section: Effects Of Alternative Control Methods On the Environmentmentioning

confidence: 99%

Alternatives to Synthetic Insecticides in the Control of the Colorado Potato Beetle (Leptinotarsa decemlineata Say) and Their Environmental Benefits

2020

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In this study, we review the wide range of alternative control methods used to this day to control the Colorado potato beetle (Leptinotarsa decemlineata Say), the biggest potato pest globally. We further categorize and highlight the advantages and disadvantages of each method by comparing them to conventional insecticides. In a second step, we point out the current knowledge about positive and negative impacts of using alternative control methods. By this, we illustrate how alternative control methods, farmers’ activities, and environmental factors (e.g., biodiversity and ecosystem health) are heavily linked in a cycle with self-reinforcing effects. In detail, the higher the acceptance of farmers to use alternative control methods, the healthier the ecosystem including the pest’s enemy biodiversity. The following decrease in pest abundance possibly increases the yield, profit, and acceptance of farmers to use less conventional and more alternative methods. Overall, we try to balance the positive and negative sides of alternative control methods and combine them with current knowledge about environmental effects. In our view, this is a fundamental task for the future, especially in times of high species loss and increasing demand for environmentally friendly agriculture and environmentally friendly products.

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“…In-situ composting offers a sustainable and environmentally friendly alternative; benefits in vineyards include lower costs and lower environmental impacts when compared to other composting options [13]. Spreading organic materials (e.g., straw, leaf litter, compost, yard waste, crop residues), as a form of in-situ composting has further positive aspects: mulching increases in-field and soil biodiversity [14,15], protects beneficial organisms [16], enhances soil suppressivity against pests [16][17][18], and improves soil physical and chemical characteristics [19][20][21].…”

Section: Introductionmentioning

confidence: 99%

Mulching with Leaf Litter from Municipal Green Waste Favours Predatory Mononchid Nematodes

Petrikovszki

Zalai

Bogdányi³

et al. 2021

Agronomy

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Although the incorporation of organic amendments into the soil is widely researched, less attention has been given to the impact of in-situ composting of municipal green wastes (MGW), especially leaf litter, on free-living nematodes. In a four year experiment (2016–2019) of tomato cropping cycles, we tested the hypothesis that leaf litter mulch has a positive effect on mononchid predatory nematodes and influences their species composition. Two treatments were applied every year: plots were either mulched with leaf litter or left unmulched. Soil samples were collected every autumn at the end of the growing season. Active, free-living nematodes were extracted by Baermann funnel from soil samples, the density of mononchid predatory nematodes was determined, and the individuals were identified to genus or species. In the first year (2016), mulching did not affect the density of mononchids. From the second year (2017) on, their number significantly increased in mulched plots, compared to in unmulched ones. During the study period the presence of four mononchid genera: Clarkus, Mylonchulus, Prionchulus, and Iotonchus, were detected. Our hypothesis was confirmed, as the number of mononchids increased in the presence of MGW leaf litter mulch layer.

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The effect of mulching on the abundance and diversity of ground beetle assemblages in two hungarian potato fields

Cited by 10 publications

References 23 publications

Local and Landscape Drivers of Carabid Activity, Species Richness, and Traits in Urban Gardens in Coastal California

Local and Landscape Drivers of Carabid Activity, Species Richness, and Traits in Urban Gardens in Coastal California

Alternatives to Synthetic Insecticides in the Control of the Colorado Potato Beetle (Leptinotarsa decemlineata Say) and Their Environmental Benefits

Mulching with Leaf Litter from Municipal Green Waste Favours Predatory Mononchid Nematodes

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