Population responses of Daphnia magna, Chydorus sphaericus and Asellus aquaticus in pesticide contaminated ditches around bulb fields

Ieromina, Oleksandra; Peijnenburg, Willie J.G.M.; Snoo, G.R. de; Vijver, Martina G.

doi:10.1016/j.envpol.2014.05.020

Cited by 18 publications

(22 citation statements)

References 24 publications

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“…OM consumption was studied in an agricultural area in the south-west of the Netherlands (N52.2°; E4.1°), where agricultural drainage ditches are highly interconnected and comparable, and host a diverse and equally distributed macrofaunal community 52 (see Fig. 2 ).…”

Section: Methodsmentioning

confidence: 99%

“…Flower bulb growing involves the use and subsequent presence of various pesticides that are applied continuously in the period February-November. Flowers in the area are grown on sandy-rich soil, and drainage ditches consists mostly of medium and fine sand, facilitating leaching of high concentrations of pesticides to both groundwater and adjacent surface waters 52 . Overall, the ditches in close vicinity of agricultural fields are stagnant and only flow during pumping, and are known to have comparable physic-chemical conditions and to be moderately eutrophic 53 .…”

Section: Methodsmentioning

confidence: 99%

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Effects of agricultural practices on organic matter degradation in ditches

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Agricultural practices can result in differences in organic matter (OM) and agricultural chemical inputs in adjacent ditches, but its indirect effects on OM composition and its inherent consequences for ecosystem functioning remain uncertain. This study determined the effect of agricultural practices (dairy farm grasslands and hyacinth bulb fields) on OM degradation by microorganisms and invertebrates with a consumption and food preference experiment in the field and in the laboratory using natural OM collected from the field. Freshly cut grass and hyacinths were also offered to control for OM composition and large- and small mesh-sizes were used to distinguish microbial decomposition and invertebrate consumption. Results show that OM decomposition by microorganisms and consumption by invertebrates was similar throughout the study area, but that OM collected from ditches adjacent grasslands and freshly cut grass and hyacinths were preferred over OM collected from ditches adjacent to a hyacinth bulb field. In the case of OM collected from ditches adjacent hyacinth bulb fields, both microbial decomposition and invertebrate consumption were strongly retarded, likely resulting from sorption and accumulation of pesticides. This outcome illustrates that differences in agricultural practices can, in addition to direct detrimental effects on aquatic organisms, indirectly alter the functioning of adjacent aquatic ecosystems.

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Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Effects of agricultural practices on organic matter degradation in ditches

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et al. 2016

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“…Second, nutrients (phosphorus and nitrogen) are commonly applied to the fields to enhance yields and are often transported to surface waters in relatively large amounts along with pesticides (EPA 2012 ; Tilman et al 2002 ). Nutrients were shown to affect the responses of aquatic invertebrates to pesticides in the laboratory and semi-field conditions (Alexander et al 2013 ; Ieromina et al 2014a , b ). Third, other physico-chemical parameters also vary strongly across surface waters around agricultural fields.…”

Section: Introductionmentioning

confidence: 99%

Trait modality distribution of aquatic macrofauna communities as explained by pesticides and water chemistry

et al. 2016

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Analyzing functional species’ characteristics (species traits) that represent physiological, life history and morphological characteristics of species help understanding the impacts of various stressors on aquatic communities at field conditions. This research aimed to study the combined effects of pesticides and other environmental factors (temperature, dissolved oxygen, dissolved organic carbon, floating macrophytes cover, phosphate, nitrite, and nitrate) on the trait modality distribution of aquatic macrofauna communities. To this purpose, a field inventory was performed in a flower bulb growing area of the Netherlands with significant variation in pesticides pressures. Macrofauna community composition, water chemistry parameters and pesticide concentrations in ditches next to flower bulb fields were determined. Trait modalities of nine traits (feeding mode, respiration mode, locomotion type, resistance form, reproduction mode, life stage, voltinism, saprobity, maximum body size) likely to indicate pesticides impacts were analyzed. According to a redundancy analysis, phosphate -and not pesticides- constituted the main factor structuring the trait modality distribution of aquatic macrofauna. The functional composition could be ascribed for 2–4 % to pesticides, and for 3–11 % to phosphate. The lack of trait responses to pesticides may indicate that species may have used alternative strategies to adapt to ambient pesticides stress. Biomass of animals exhibiting trait modalities related to feeding by predation and grazing, presence of diapause form or dormancy, reproduction by free clutches and ovoviviparity, life stage of larvae and pupa, was negatively correlated to the concentration of phosphate. Hence, despite the high pesticide pollution in the area, variation in nutrient-related stressors seems to be the dominant driver of the functional composition of aquatic macrofauna assembly in agricultural ditches.Electronic supplementary materialThe online version of this article (doi:10.1007/s10646-016-1671-5) contains supplementary material, which is available to authorized users.

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“…139 Plates were incubated for 96h at 18 o C and absorbance was measured at 590 nm using a plate reader. (Ieromina et al, 2014a). The area is intensively used for flower bulb growing (mainly hyacinths, lilies, 146 daffodils and tulips), but also harbors several hectares of grasslands used for dairy farming.…”

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“…Flower bulb 147 growing involves the use and subsequent presence of a wide range of pesticides (including herbicides, 148 fungicides, and insecticides) that are applied continuously in the period February-November. Flowers in 149 the area are grown on sandy soils that are low in organic matter, and soil texture in drainage ditches 150 consists mostly of medium and fine sand, facilitating leaching of high concentrations of pesticides to 151 both groundwater and adjacent surface waters (Ieromina et al, 2014a). Overall, the ditches in close 152 vicinity of agricultural fields are stagnant and only flow during pumping.…”

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Population responses of Daphnia magna, Chydorus sphaericus and Asellus aquaticus in pesticide contaminated ditches around bulb fields

Cited by 18 publications

References 24 publications

Effects of agricultural practices on organic matter degradation in ditches

Effects of agricultural practices on organic matter degradation in ditches

Trait modality distribution of aquatic macrofauna communities as explained by pesticides and water chemistry

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