Modelling the effects of diving ducks on zebra mussels Dreissena polymorpha in lakes

Nes, Egbert H. van; Noordhuis, Ruurd; Lammens, Eddy H.H.R.; Portielje, R.; Reeze, Bart; Peeters, E.T.H.M.

doi:10.1016/j.ecolmodel.2007.10.001

Cited by 5 publications

(4 citation statements)

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“…The results of the Bivalvia bioaccumulation test may thus provide important information regarding the transfer of MNMs into the aquatic food chain via predators or benthic invertebrates that feed on bivalve feces and/or pseudofeces. 26,27,[37][38][39][40] The high filtration rate of bivalves may cause feces/pseudo-feces with high concentrations of MNMs. Further investigations are required to elucidate the uptake of highly contaminated feces or pseudo-feces by benthic invertebrates that feed on fecal matter.…”

Section: View Article Onlinementioning

confidence: 99%

“…37,38 Bivalves may also represent a link between the aquatic and the terrestrial environment being part of the diet of water birds. 39,40 The freshwater bivalve Corbicula fluminea is an invasive species that is, due to its ability to tolerate a wide range of environmental conditions, widely spread in Africa, North and South America, Europe and the Pacific Islands. [41][42][43][44] The high filtration rate of this species makes C. fluminea ideal for use in bioaccumulation test systems.…”

Section: Introductionmentioning

confidence: 99%

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Testing the bioaccumulation of manufactured nanomaterials in the freshwater bivalveCorbicula flumineausing a new test method

Kuehr

Meisterjahn

Schröder

et al. 2020

Environ. Sci.: Nano

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Increasing amounts of manufactured nanomaterials (MNMs) are produced for their industrial use and released to the environment by the usage or disposal of the products. As depending on their annual production rate, substances are subjected to PBT assessment, the availability of reliable methods to evaluate these endpoints for (corresponding) nanoforms/MNMs becomes relevant. The classical method to elucidate the bioaccumulation potential of chemicals has been the flow-through study with fish, which has limitations as regards meeting the requirements of MNMs. Most MNMs tend to sediment in the aquatic environment. Thus, maintenance of stable exposure conditions for bioaccumulation testing with fish is nearly impossible to achieve when using MNMs. Corbicula fluminea, a freshwater filter-feeding bivalve distributed worldwide, has been previously shown to ingest and accumulate MNMs present in the water phase. To investigate the suitability of C. fluminea for bioaccumulation testing we developed a new flowthrough system to expose mussels under constant exposure conditions. Two nanoparticles (NPs), the AgNP NM 300K and the TiO 2 NP NM 105, were applied. In addition, C. fluminea was exposed to AgNO 3 as a source of dissolved Ag + to compare the bioaccumulation of Ag in dissolved and nanoparticulate forms. For each MNM exposure scenario we were able to determine steady-state bioaccumulation factors. BAF ss values of 31 and 128 for two NM 300K concentrations (0.624 and 6.177 μg Ag per L) and 6150 and 9022for TiO 2 (0.099 and 0.589 μg TiO 2 per L) showed the exposure dependence of the BAF ss estimates. The progression of metal uptake and elimination in the soft tissue provided clear indications that the uptake and thus accumulation is mainly driven by the uptake of NPs and less of dissolved ions.Filter-feeding organisms such as bivalves represent a major target for the bioaccumulation of nanomaterials in the aquatic environment. Therefore, bivalves should be considered as test organisms for the bioaccumulation assessment of nanomaterials. A new flow-through system to expose the freshwater bivalves under constant exposure conditions was developed. Bioaccumulation studies with the freshwater bivalve C. fluminea on two nanoparticles, the AgNP NM 300K and the TiO 2 NP NM 105, demonstrated the suitability of the new test system. The results obtained with this test system can be used to generate useful endpoints required for regulatory purposes and could be included in a tiered bioaccumulation testing strategy for manufactured nanomaterials.

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Section: View Article Onlinementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Testing the bioaccumulation of manufactured nanomaterials in the freshwater bivalveCorbicula flumineausing a new test method

Kuehr

Meisterjahn

Schröder

et al. 2020

Environ. Sci.: Nano

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“…International Journal of Zoology scrofa) and alien mammal species (i.e., Neovison vison, Nyctereutes procyonoides, and Procyon lotor) and a decline of Dreissena polymorpha, the zebra mussel which is the preferred food of this duck [46][47][48]. Furthermore, Fox et al (2016) [41] have summarized multiple factors influencing the breeding population in the old continent; they are mostly related to loss or changes in habitats, food availability, predation, alien species, hunting [9,49,50], fishing, disturbance, and lead poisoning [51].…”

Section: Population Size and Trendmentioning

confidence: 99%

Distribution and Numbers of Three Globally Threatened Waterbird Species Wintering in Morocco: The Common Pochard, Marbled Teal, and White-Headed Duck

Ouassou

Dakki

Agbani

et al. 2021

International Journal of Zoology

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Morocco plays a key role in the life of many migratory birds and their survival, thanks to the diversity and richness of its ecosystems. The International Waterbird Census (IWC) has been regularly implemented in Morocco since 1983. Thanks to this program, a large database on wintering waterbirds’ populations has been collected. In this article, we summarize the wintering data of three globally threatened waterbirds: Aythya ferina, Marmaronetta angustirostris, and Oxyura leucocephala. The population of Aythya ferina, which is declining, is largely distributed in the country, in over a hundred wetlands, 26 of which verify the national importance criteria. Marmaronetta angustirostris has a stable trend over the years even though its population can know high annual fluctuations; it winters in more or less 50 wetlands, among which 18 host more than 1% of its regional population and 16 verify the criteria for national importance. On the contrary, Oxyura leucocephala, a globally endangered bird only encountered in a dozen wetlands, shows a moderate increase in its numbers; only two wetlands verify the Ramsar criterion 6, while a total of six can be considered of national importance. Furthermore, given the conservation statuses of these waterbirds and according to the Ramsar criterion 2, all their hosting sites are of international importance. The results presented in this paper are a crucial step for the adoption and implementation of adequate conservation measures for the species and their key sites. Nevertheless, comprehensive research and coordinated efforts on the factors (ecological and anthropogenic) influencing the species, at the national and international levels, are required for a better understanding of their populations’ dynamics.

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“…But locations shallower than 2.5-3.5 m depth largely increase possible predation by waterfowl (van Nes et al 2008). If the substrate is removable, a periodic harvesting of mussels might compensate for nutrient loading.…”

Section: Hydromorphologymentioning

confidence: 99%

How to combat cyanobacterial blooms: strategy toward preventive lake restoration and reactive control measures

Stroom

Kardinaal

2016

Aquat Ecol

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Water managers worldwide are facing the serious problem of dense blooms of cyanobacteria in surface waters. In the quest for the optimal method to combat cyanobacterial dominance, many questions and many possible solutions arise. This paper presents a three-phase strategy to fight harmful cyanobacterial proliferation. Water managers who apply this strategy can generate a tailor-made set of measures. The three phases consist of (1) defining the ecological water quality targets of the waterbody in question, (2) assessing its current ecological state, and (3) selecting which measures will yield optimal results. The paper provides assistance in the quantitative diagnosis of the state of both shallow and deep temperate freshwater lakes by means of a lake system analysis, and presents a survey of measures. Measures are divided into two sets. Preventive measures are based on switching to a clear state (shallow lake) or reducing the overall cyanobacterial biomass (deep lake). They are subdivided into nutrient reduction, hydromorphological adjustments, and food web management. Concerning nutrient reduction, in many situations phosphorus management alone should suffice. Nitrogen management can be important to increase the species diversity of macrophytes, or to relieve downstream (marine) consequences. Control measures (including mitigation) have a direct impact on cyanobacterial blooms by biomass removal, flushing, or mixing; however, the number of proven technologies is limited.

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Modelling the effects of diving ducks on zebra mussels Dreissena polymorpha in lakes

Cited by 5 publications

References 28 publications

Testing the bioaccumulation of manufactured nanomaterials in the freshwater bivalveCorbicula flumineausing a new test method

Testing the bioaccumulation of manufactured nanomaterials in the freshwater bivalveCorbicula flumineausing a new test method

Distribution and Numbers of Three Globally Threatened Waterbird Species Wintering in Morocco: The Common Pochard, Marbled Teal, and White-Headed Duck

How to combat cyanobacterial blooms: strategy toward preventive lake restoration and reactive control measures

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