Nina Röder

Nina Röder
RPTU Kaiserslautern-Landau

Master of Science
Advanced molecular approaches for assesing environmental impact on animal populations and communities

About

18
Publications
3,839
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186
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Introduction
Passionate about studying arthropods' response to human impact, by developing and using molecular approaches. The application of novel DNA sequencing techniques can provide valuable insights at population, community, and ecosystem levels. My interdisciplinary research integrates computational modeling, ecotoxicology, landscape ecology, microbiology, and molecular ecology. Let's explore sustainable solutions together!

Publications

Publications (18)
Article
The mosquito control agent Bacillus thuringiensis subsp. israelensis (Bti) is considered environmentally friendly due to its highly specific mode of action. Nevertheless, adverse effects of Bti have been observed in non-biting midges of the family Chironomidae. In this study, we applied the maximum field rate of Bti three times from April to May to...
Article
Insects with aquatic larval and terrestrial adult life stages are a key component of coupled aquatic-terrestrial ecosystems. Thus, stressors applied to water bodies adversely affecting those larvae have the potential to influence the riparian zone through altered emergence, with differences in prey availability, timing, or nutrition. In this study,...
Article
The conservation and management of riparian ecosystems rely on understanding the ecological consequences of anthropogenic stressors that impact natural communities. In this context, studies investigating the effects of anthropogenic stressors require reliable methods capable of mapping the relationships between taxa occurrence or abundance and envi...
Article
Full-text available
Aquatic emergent insect communities form an important link between aquatic and terrestrial ecosystems, yet studying them is costly and time-consuming as they are usually diverse and superabundant. Metabarcoding is a valuable tool to investigate arthropod community compositions, however high-throughput applications, such as for biomonitoring, requir...
Article
Full-text available
Exposure to pesticides may cause adaptation not only in agricultural pests and pathogens, but also in non-target organisms. Previous studies mainly searched for adaptations in non-target organisms in pesticide-polluted sites. However, organisms may propagate heritable pesticide effects, such as increased tolerance, to non-exposed populations throug...
Article
Full-text available
DNA metabarcoding is increasingly used to analyze the diet of arthropods, including spiders. However, high sensitivity to DNA contamination makes it difficult to apply to organisms obtained from mass-sampling methods such as pitfall traps. An alternative is to hand-sample spiders, but it is unclear how effectively this prevents external contaminati...
Article
Full-text available
Anthropogenic stressors can affect the emergence of aquatic insects. These insects link aquatic and adjacent terrestrial food webs, serving as high-quality subsidy to terrestrial consumers, such as spiders. While previous studies have demonstrated that changes in the emergence biomass and timing may propagate across ecosystem boundaries, the physio...
Article
Full-text available
SystemLink is an interdisciplinary research training group funded by the German Research Foundation (DFG) involving multiple cohorts of international doctoral researchers closely cooperating at the iES Landau, Institute for Environmental Sciences, Germany. The goal of SystemLink is to investigate how anthropogenic stressors on aquatic ecosystems af...
Preprint
Full-text available
Aquatic emergent insect communities form an important link between aquatic and terrestrial ecosystems, yet studying them is costly and time-consuming as they are usually diverse and superabundant. Metabarcoding is a valuable tool to investigate arthropod community compositions, however high-throughput applications, such as for biomonitoring, requir...
Article
Full-text available
Aquatic hyphomycetes (AHs), a group of saprotrophic fungi adapted to submerged leaf litter, play key functional roles in stream ecosystems as decomposers and food source for higher trophic levels. Fungicides, controlling fungal pathogens, target evolutionary conserved molecular processes in fungi and contaminate streams via their use in agricultura...
Article
Full-text available
Direct PCR allows the amplification of DNA from animal or plant tissue samples without the need for DNA extraction and purification steps. For this procedure, dry tissue is homogenized, dissolved in water and subsequently amplified, thus, its successful application largely depends on the absence of PCR inhibitors. Although this method has been succ...
Article
Full-text available
Fungicides pose a risk for crustacean leaf shredders serving as key-stone species for leaf litter breakdown in detritus-based stream ecosystems. However, little is known about the impact of strobilurin fungicides on shredders, even though they are presumed to be the most hazardous fungicide class for aquafauna. Therefore, we assessed the impact of...
Article
Aquatic hyphomycetes (AH) are ubiquitous fungi playing a key role in the decomposition of leaf litter in streams. Though their functional performance is modulated by their community composition, this ecological relationship remains poorly investigated due to a lack of suitable methods to identify the biomass-contribution of individual species to AH...
Article
Full-text available
The Upper Rhine Valley, a Hotspot of Biodiversity in Germany, has been treated with the biocide Bacillus thuringiensis var. israelensis (Bti) for mosquito control for decades. Previous studies discovered Bti non‐target effects in terms of severe chironomid abundance reductions. In this study, we investigated the impact of Bti on species level and a...

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