Weeds determine the composition of carabid assemblage in maize at a fine scale

Saska, Pavel; Němeček, Jiří; Koprdová, S.; Skuhrovec, Jiří; Káš, Martin

doi:10.7160/sab.2014.450202

Cited by 21 publications

(8 citation statements)

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“…The negative correlation between omnivore richness and the percentage of ground cover suggested that vineyards with a higher percentage of ground cover were expected to have lower omnivore richness (Gonçalves et al 2018). In other studies, ground cover positively influenced the activity of carabids (Cole et al 2005;Saska et al 2014), as did the maintenance of mowing residues at the surface (Shearin et al 2008). Surface mulches may also influence the abundance of a range of invertebrates.…”

Section: Local Habitat Characteristics Affect Species Richness Of Difmentioning

confidence: 90%

Effects of vineyard inter-row management on the diversity and abundance of plants and surface-dwelling invertebrates in Central Romania

Fiera

Ulrich

Popescu³

et al. 2020

J Insect Conserv

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Vineyard inter-rows are important biodiversity hotspots within agricultural landscapes, especially when they are covered with vegetation. However, little is known on the effects to management intensity on a broad range of surface-dwelling invertebrates and their interaction with vegetation. We assessed the diversity and activity density of ants, beetles, millipedes, mites, spiders, springtails and woodlice using pitfall traps in vineyards with either high management intensity (HI) consisting of frequently tilled inter-rows or low management intensity (LO) with alternating tillage in every second inter-row. The study was performed in the Târnave wine region in Central Romania. We wanted to know whether, (i) vineyard management intensity affects the diversity of plants and invertebrates, and (ii) local habitat characteristics affect species richness of different functional guilds and taxa. Species richness of some invertebrate taxa (Coleoptera, Araneae, Formicidae) did significantly differ between HI and LO vineyards. Only phytophages (some Coleoptera) increased in species richness and activity density with vegetation cover. Vineyard soil properties (organic matter content, pH, P, and K) did not significantly differ between HI and LO vineyards. We conclude that vineyard inter-row management can affect both the conservation of biodiversity and the provision of biodiversity-driven ecosystem services.

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Section: Local Habitat Characteristics Affect Species Richness Of Difmentioning

confidence: 90%

Effects of vineyard inter-row management on the diversity and abundance of plants and surface-dwelling invertebrates in Central Romania

Fiera

Ulrich

Popescu³

et al. 2020

J Insect Conserv

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“…With respect to Araneae, which was the most abundant predator group collected in the present study, Gaigher and Samways () found that the most important factors influencing their overall activity densities and richness were related to management intensity (insecticide use and tillage intensity), plant diversity (percentage of weed cover and plant species richness) and distance to the nearest natural habitat. Regarding Carabidae, ground cover positively influences their activity (Cole et al ., ; Saska et al ., ), as does the maintenance of mowing residues at the surface (Shearin et al ., ).…”

Section: Discussionmentioning

confidence: 99%

Does habitat heterogeneity affect the diversity of epigaeic arthropods in vineyards?

Gonçalves

Carlos

Aranha

et al. 2017

Agri and Forest Entomology

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1 The aims of this research performed in vineyards within the Douro Demarcated Region were to determine the species composition of vineyard epigaeic arthropods assemblages and to determine the influence of certain factors on their activity densities and diversity: (i) landscape composition in buffers (125, 250, 500 and 750 m) around each study site; (ii) adjacent vegetation; and (iii) vineyards' ground cover. Arthropods' were assessed using pitfall traps located inside the vineyards at three distances from adjacent vegetation (5, 50 and 100 m). 2 Activity densities and diversity increased from spring to summer for all the studied trophic groups (omnivores, detritivores, predators, phytophages), thus showing them to be affected by season. 3 The activity densities of phytophages were always higher at a distance of 5 m from the adjacent vegetation, which suggests that, although they could originate from these habitats, they do not move too far into the vineyard. Predators reported higher activity densities at 5 m during spring. Meanwhile, in summer, no significant differences were found with the increasing distance from the edge. This result suggests that these habitats could serve both as a refuge and a hibernation habitat, from which predators could colonize the vineyard.

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“…In addition to cover plants, arable weeds fields may foster beneficial arthropods by the provision of shelter and of additional prey or floral food resources (Diehl et al 2012). A higher weed diversity and density, as usually found in organic compared to conventional field management, has positive effects on beneficial arthropods such as pollinators, spiders, and parasitoids of pests (Halaj et al 2000, Holzschuh et al 2007, Vollhardt et al 2010, Diehl et al 2012, Saska et al 2014, Puech et al 2015. Diverse and flower-rich field margins showed similar effects (Ramsden et al 2015).…”

Section: Biodiversity Implications At Different Spatial Scalesmentioning

confidence: 97%

A preview of perennial grain agriculture: knowledge gain from biotic interactions in natural and agricultural ecosystems

et al. 2017

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Abstract. Compared to their annual analogues, perennial grain cropping systems provide various beneficial attributes for the environment and ecosystem services related to resource use efficiency, soil erosion, and soil conservation. However, there is only limited understanding of the multiple biotic interactions in perennial cropping systems and their potential effects on the crop, involving plant growth-promoting and pathogenic microorganisms, beneficial and detrimental faunal organisms below-and above-ground, weeds, and overall biodiversity effects. We use information from studies carried out in managed and natural perennial systems of analogous structure such as perennial energy crop production systems and grasslands to highlight and specify biotic interactions and processes, which potentially constitute advantages and constraints in developing perennial grain cropping systems. Concerning the relevance of soil microorganisms and potential perennial crop breeding goals, we focus on a range of plant-microbe interactions in the rhizosphere involved in biofertilization, phytostimulation, and biological control of soil pathogens. We consider relationships within the faunal community emphasizing arthropod pests and their natural enemies, as well as crop-weed interactions. Based on these outcomes and in comparison with annual systems, we discuss and compile benefits, options, and limitations of management of crop-associated biotic interactions and biodiversity, which might contribute to reproducible and sustainable effects of perennial grain crop productivity. We conclude that management strategies for perennial grain cropping systems depend much more on ecological processes and interactions operating in natural ecosystems than those in annual cropping systems. Consequently, the use of agrochemicals for pest, weed, and disease control, as well as the use of synthetic fertilizers, counteracts the principle functions of the system and would strongly degrade the potential of biotic benefits. We also found that there is only vague information on the long-term productivity and cultivation period of perennial grain crops, the specific management operations of replacement, and the potential development and management of weed and pest populations. Overall, an advanced understanding of interactions between the crop and its biotic environment provides the opportunity to manipulate specific functional traits of crop-associated organisms for improved management and crop productivity, but significant research challenges for implementation of perennial grain crops still remain.

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Weeds determine the composition of carabid assemblage in maize at a fine scale

Cited by 21 publications

References 0 publications

Effects of vineyard inter-row management on the diversity and abundance of plants and surface-dwelling invertebrates in Central Romania

Effects of vineyard inter-row management on the diversity and abundance of plants and surface-dwelling invertebrates in Central Romania

Does habitat heterogeneity affect the diversity of epigaeic arthropods in vineyards?

A preview of perennial grain agriculture: knowledge gain from biotic interactions in natural and agricultural ecosystems

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