Stefanie Maaß

Stefanie Maaß
Freie Universität Berlin | FUB · Department of Biology, Chemistry, and Pharmacy

Dr

About

29
Publications
7,381
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433
Citations
Introduction
I am a soil ecologist working on (small-scale) distributional patterns of soil invertebrates, especially Oribatid mites, food webs, and the effects of global change factors on these organisms and soils in general.
Additional affiliations
October 2015 - present
Freie Universität Berlin
Position
  • PhD
October 2015 - March 2016
Freie Universität Berlin
Position
  • DRS honor fellowship
October 2011 - September 2015
Freie Universität Berlin
Position
  • PhD Student

Publications

Publications (29)
Article
Biodiversity in urban ecosystems has the potential to increase ecosystem functions and support a suite of services valued by society, including services provided by soils. Specifically, the sequestration of carbon in soils has often been advocated as a solution to mitigate the steady increase of CO2 concentration in the atmosphere as a key driver o...
Preprint
Full-text available
Global change has been predominantly studied from the prism of ‘how much’ rather than ‘how fast’ change occurs. The paradigm underlying the former assumes that a smooth change in an environmental driver can force a regime shift between alternative states (Bifurcation-tipping). This presupposes that environmental conditions change at a rate which al...
Article
Full-text available
Tire-wear particles (TWPs) are being released into the environment by wearing down during car driving, and are considered an important microplastic pollution source. The chemical additive leaching from these polymer-based materials and its potential effects are likely temporally dynamic, since amounts of potentially toxic compounds can gradually in...
Article
Full-text available
Small animals living in soils, called soil invertebrates, represent a very diverse group of soil inhabitants. They include earthworms, woodlice, spiders, springtails, mites, and some insects. Soil invertebrates feed on dead plants, on fungi and bacteria, or on other soil invertebrates. The many ways soil invertebrates interact with each other, and...
Preprint
Tire-wear particles (TWPs) are being released into the environment by wearing down during car driving, and are considered an important microplastic pollution source. The chemical additive leaching from these polymer-based materials and its potential effects are likely temporally dynamic, since larger amounts of potentially toxic compounds can gradu...
Article
Full-text available
Microplastics in soils have become an important threat for terrestrial systems as they may potentially alter the geochemical/biophysical soil environment and can interact with drought. As microplastics may affect soil water content, this could exacerbate the well‐known negative effects of drought on ecosystem functionality. Thus, functions includin...
Article
Full-text available
When running a lab we do not think about calamities, since they are rare events for which we cannot plan while we are busy with the day-to-day management and intellectual challenges of a research lab. No lab team can be prepared for something like a pandemic such as COVID-19, which has led to shuttered labs around the globe. But many other types of...
Preprint
Full-text available
Microplastics in soils have become an important threat for terrestrial systems, which can be exacerbated by drought as microplastics may affect soil water content. Thus, the interaction between these two factors may alter ecosystem functions such as litter decomposition, stability of soil aggregates, as well as functions related to nutrient cycling...
Chapter
Particles play important roles in terrestrial systems, where the natural soil environment provides a complex habitat in which the three-dimensional organization of mineral and organic matter is combined to a diverse array of water levels, microscopic life forms, and their metabolites. Soils are the foundation for most land-based life and terrestria...
Preprint
Full-text available
When running a lab, we do not think about calamities, since they are rare events for which we cannot plan while we are busy with the day-to-day management and intellectual challenges of a research lab. No lab team can be prepared for something like a pandemic such as COVID-19, which has led to shuttered labs around the globe. But many other types o...
Article
Full-text available
Soil structure, the complex arrangement of soil into aggregates and pore spaces, is a key feature of soils and soil biota. Among them, filamentous saprobic fungi have well-documented effects on soil aggregation. However, it is unclear what properties, or traits, determine the overall positive effect of fungi on soil aggregation. To achieve progress...
Article
Full-text available
Biochar is being discussed as a soil amendment to improve soil fertility and mitigate climate change. While biochar interactions with soil microbial biota have been frequently studied, interactions with soil mesofauna are understudied. We here present an experiment in which we tested if the collembolan Folsomia candida I) can transport biochar part...
Preprint
Full-text available
Soil health and sustainability is essential for ecosystem functioning and human well-being. Soil structure, the complex arrangement of soil into aggregates and pore spaces, is a key feature of soils under the influence of soil life. Soil biota, and among them filamentous saprobic fungi, have well-documented effects on soil aggregation. However, it...
Conference Paper
Full-text available
Horizontal and vertical soil heterogeneity on a very small scale, i.e. within a few centimeters, provides niche space for the vast diversity of soil organisms. However, at this scale, we lack important information about the differences in soil moisture, carbon and soil nutrient content as well as pH. Here, we present the results of a field study co...
Article
Plastics, despite their great benefits, have become a ubiquitous environmental pollutant, with microplastic particles having come into focus most recently. Microplastic effects have been intensely studied in aquatic, especially marine systems; however, there is lack of studies focusing on effects on soil and its biota. A basic question is if and ho...
Data
Data S2. r scripts to calculate BD and perform a null model test based on neutral model predictions.
Data
Data S1. Supplementary methods to fit neutral models and test predictions of Beta diversity (BD).
Data
Data S3. Observed species by sample matrix of Heathland (Figure 2, S1d). See Data S1.
Data
Data S4. Simulated neutral species by sample matrices for Heathland. See Data S1.
Article
Beta diversity describes how local communities within an area or region differ in species composition/abundance. There have been attempts to use changes in beta diversity as a biotic indicator of disturbance, but lack of theory and methodological caveats have hampered progress. We here propose that the neutral theory of biodiversity plus the defini...
Conference Paper
Full-text available
In the framework of the debate on niche vs. neutral processes of community assembly, we analyzed the oribatid mites of a dry grassland in the nature reserve of Mallnow (Brandenburg, Germany). The study was performed at a fine scale (15 x 15 m plot ) along a steep gradient in major soil parameters (pH, water% (s.d.w.), C and N) using a spatially exp...
Conference Paper
Full-text available
In the framework of the debate on niche vs. neutral processes of community assembly, we analysed the oribatid mite assemblage of a dry grassland in the nature reserve of Mallnow (Brandenburg, Germany). The study was performed at a small scale (15 x 15 m plot) along a steep gradient in important soil parameters (pH, water% (s.d.w.), C and N) using a...
Conference Paper
Full-text available
For a worldwide targeted evaluation of patterns and gradients of species diversity (MACAG project: Monitoring of Arthropods along Climate and Altitude Gradients, see abstract Schmidl), we are sampling arthropods from undamaged tree bark by using bark spray method. As a part of this project, a tropical rainforest in Ecuador (Podocarpus NP) has been...

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Projects

Project (1)
Project
Plant-soil feedbacks are assumed to modify biodiversity patterns, ecosystem functions, and the resulting ecosystem services across temporal and spatial scales. To date such feedbacks have rarely been implemented in individual-based community models. To assess the effect of plant-soil feedback processes on above- and below-ground communities, we aim at a mechanistic understanding of the complex dynamics of above-/ below-ground relationships. We will develop a small-scale model to assess the effect of plant soil feedback processes on trait composition and performance of plant communities.