Publications by authors named "H Bik"

Microbial and microeukaryotic communities are extremely abundant and diverse in soil habitats where they play critical roles in ecosystem functioning and services that are essential to soil health. Soil biodiversity is influenced by above-ground (vegetation) and below-ground factors (soil properties), which together create habitat-specific conditions. However, the compound effects of vegetation and soil properties on soil communities are less studied or often focused on one component of the soil biota.

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Anthropogenically forced changes in global freshwater biodiversity demand more efficient monitoring approaches. Consequently, environmental DNA (eDNA) analysis is enabling ecosystem-scale biodiversity assessment, yet the appropriate spatio-temporal resolution of robust biodiversity assessment remains ambiguous. Here, using intensive, spatio-temporal eDNA sampling across space (five rivers in Europe and North America, with an upper range of 20-35 km between samples), time (19 timepoints between 2017 and 2018) and environmental conditions (river flow, pH, conductivity, temperature and rainfall), we characterise the resolution at which information on diversity across the animal kingdom can be gathered from rivers using eDNA.

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The study of microbiomes across organisms and environments has become a prominent focus in molecular ecology. This perspective article explores common challenges, methodological advancements, and future directions in the field. Key research areas include understanding the drivers of microbiome community assembly, linking microbiome composition to host genetics, exploring microbial functions, transience and spatial partitioning, and disentangling non-bacterial components of the microbiome.

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Article Synopsis
  • Biodiversity is declining rapidly, jeopardizing future generations' access to nature’s benefits, prompting the need for innovative preservation strategies.
  • A new conceptual framework using artificial intelligence links changes in biodiversity to environmental factors, applied to a freshwater ecosystem impacted by human activity over the last century.
  • The study found that insecticides, fungicides, and climate variables accounted for up to 90% of changes in functional biodiversity, highlighting the effectiveness of systemic approaches over traditional species-focused methods in understanding ecosystem shifts.
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