Effects of reduced pesticide dosages on carabids (Coleoptera: Carabidae) in winter wheat

Navntoft, Søren; Esbjerg, P.; Riedel, W.

doi:10.1111/j.1461-9555.2006.00282.x

Cited by 60 publications

(36 citation statements)

References 18 publications

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“…A reduced dosage of field applications of insecticides and herbicides can help to maintain carabid activity (Navntoft et al . ). Some insecticides such as synthetic pyrethroids, which are considered less toxic to nontarget organisms, have been reported to cause sublethal toxicity among carabid species (Tooming et al .…”

Section: Factors Affecting Weed Seed Consumption Under Field Conditionsmentioning

confidence: 97%

Factors that influence the level of weed seed predation: A review

Sarabi

2019

Weed Biology and Management

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Herbicides applied alone have failed to reduce weed populations in agricultural ecosystems. The use of this management strategy has followed other problems such as damage to ecosystems and organisms that live in it. Herbicide resistance in weeds has also occurred more quickly based on the application of herbicides. Today, most scientists are looking for new integrated weed management programs in agricultural ecosystems. Biological control is one of the most effective ways of weed management. In this way, living organisms are used to reduce and control weed species in arable lands. Weed seed predators, including predispersal and postdispersal predators as biological control agents, can be primary factors of weed seed mortality in agricultural ecosystems. This review has discussed factors influencing seed predator populations, activity, and granivory. Knowledge of the interrelations between factors and seed predators can contribute to designing future strategies that augment weed seed predator activity and enhance weed seed consumption as a component of an integrated weed management system.

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Section: Factors Affecting Weed Seed Consumption Under Field Conditionsmentioning

confidence: 97%

Factors that influence the level of weed seed predation: A review

Sarabi

2019

Weed Biology and Management

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“…However, pesticide use in crop edges usually does not seem to affect carabid species richness negatively (Frampton and Dorne 2007), although pesticides may change carabid abundance and community composition directly and indirectly (Shah et al 2003, Navntoft et al 2006, Geiger et al 2010). Our results agree with studies showing no effect of AI on the species richness of carabids in cereal fields at the regional and local scale (Clough et al 2007, Bata´ry et al 2008, but see Geiger et al 2010).…”

Section: Effects Of Ai On Species Richness Across Different Taxamentioning

confidence: 99%

Agricultural intensification and biodiversity partitioning in European landscapes comparing plants, carabids, and birds

Flohre

Fischer

Aavik

et al. 2011

Ecological Applications

237

141

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Abstract. Effects of agricultural intensification (AI) on biodiversity are often assessed on the plot scale, although processes determining diversity also operate on larger spatial scales. Here, we analyzed the diversity of vascular plants, carabid beetles, and birds in agricultural landscapes in cereal crop fields at the field (n ¼ 1350), farm (n ¼ 270), and European-region (n ¼ 9) scale. We partitioned diversity into its additive components a, b, and c, and assessed the relative contribution of b diversity to total species richness at each spatial scale. AI was determined using pesticide and fertilizer inputs, as well as tillage operations and categorized into low, medium, and high levels. As AI was not significantly related to landscape complexity, we could disentangle potential AI effects on local vs. landscape community homogenization. AI negatively affected the species richness of plants and birds, but not carabid beetles, at all spatial scales. Hence, local AI was closely correlated to b diversity on larger scales up to the farm and region level, and thereby was an indicator of farm-and region-wide biodiversity losses. At the scale of farms (12.83-20.52%) and regions (68.34-80.18%), b diversity accounted for the major part of the total species richness for all three taxa, indicating great dissimilarity in environmental conditions on larger spatial scales. For plants, relative importance of a diversity decreased with AI, while relative importance of b diversity on the farm scale increased with AI for carabids and birds. Hence, and in contrast to our expectations, AI does not necessarily homogenize local communities, presumably due to the heterogeneity of farming practices. In conclusion, a more detailed understanding of AI effects on diversity patterns of various taxa and at multiple spatial scales would contribute to more efficient agrienvironmental schemes in agroecosystems.

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“…The seasonal activity of spring breeders and spring application of pesticides significantly increase the risk of mortality among small zoophages (52). However, small zoophages are flying insects and, after the disturbance caused by an application of sprayed chemicals, they are able to recolonize the affected field more rapidly (56). A similar exchange of species can be observed in assemblages exposed to other types of destructive influence, e.g.…”

Section: Discussionmentioning

confidence: 82%

Effect of plant protection on assemblages of ground beetles (Coleoptera, Carabidae) in pea (Pisum L.) and lupine (Lupinus L.) crops

Kosewska

Nietupski

Nijak³

et al. 2016

Period Biol

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Background and Purpose: Various crop cultivation systems may affect field-dwelling organisms, representatives of both harmful and beneficial entomofauna. In this paper, attention was drawn to one of the factors which distinguishes organic and integrated farming, that is the application of chemical plant protection preparations. Materials and Methods: The experiment was conducted in Poland, at the Experimental Station IOR-PIB in Winna Góra near Środa Wielkopolska, on crop fields of lupine and pea. The experiment was composed of a block of organic fields (no chemical plant protection preparations) and another block, where a plant protection programme was carried out in line with the integrated agricultural production guidelines. Carabidae were caught into modified Barber traps, from May to the end of July in 2006, 2010 and 2014. Results and conclusions:As a result of our study, 8 848 specimens belonging to 67 species of Carabidae were collected. The most numerous species collected in the pea and lupine were: Poecilus cupreus, Pterostichus melanarius, Harpalus rufipes, Bembidion femoratum, Bembidion quadrimaculatum and Bembidion tetracolum. Overall, our results demonstrate that an application of chemical plant protection preparations decreases the abundance and species diversity of carabid beetles assemblages in studied crops and induces changes in particular life traits of carabids fauna. After the treatment, the abundance of large carabid beetles diminishes and their place is occupied by small zoophages. Furthermore, the forecrop could be one of the factors that influence assemblages of carabids on crop fields.IntRoductIon T he use of pesticides causes endless controversies. Every synthetic preparation which enters the natural environment has a direct or indirect influence on many biotic elements and processes on a scale that may encompass whole ecosystems (1). Even the chemical products that do not seem toxic to humans, animals or plants can affect agricultural ecosystems adversely. The use of pesticides can have a variety of negative agricultural, environmental and health effects (2, 3, 4). Progressive specialization in agriculture and environmental pollution due to the excessive use of chemical plant protection products has stimulated a search for pro-ecological solutions (5). Contemporary plant protection systems, on principle, should be economically efficient and eco-friendly (6). They should take advantage of all available pest-control methods while sus- taining natural self-regulation processes which occur in agricultural ecosystems.Although much progress is visible in the field of plant protection products, expressed, among others in the increasing selectivity, more rapid degradation as well as the use of integrated crop protection programs, we still need to monitor the environment, particularly in terms of protecting the beneficial entomofauna occurring there. Practical application of integrated plant protection solutions involves the use -to the highest extent possible -of all alternative, non...

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Effects of reduced pesticide dosages on carabids (Coleoptera: Carabidae) in winter wheat

Cited by 60 publications

References 18 publications

Factors that influence the level of weed seed predation: A review

Factors that influence the level of weed seed predation: A review

Agricultural intensification and biodiversity partitioning in European landscapes comparing plants, carabids, and birds

Effect of plant protection on assemblages of ground beetles (Coleoptera, Carabidae) in pea (Pisum L.) and lupine (Lupinus L.) crops

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