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, 11:542125, 2020. When Josephine Ulrich and colleagues got the chance to work with the iDiv Ecotron, a system of experimental containers in Germany that lets researchers create and manipulate miniature ecosystems, they decided to investigate the effect of declining invertebrate populations on plant communities. Many studies have explored how projected changes in abiotic factors rising temperatures, for example influence plants, says Ulrich, a PhD student at the German Centre for Integrative Biodiversity Research (iDiv) and Friedrich Schiller University, but to look at biotic factors such as invertebrate loss is a new approach. The team used 24 of the Ecotron units to create tiny grasslands, each with the same 12 herbaceous species but with varying densities of invertebrates collected from a local meadow: 100 percent (the same density as in the meadow), 25 percent, or no invertebrates. Then the researchers observed the ecosystems over the next 18 weeks. 

Josephine ulrichFriedrich schiller universityUniversity of baselGerman centre for integrative biodiversity researchPlant sciDiv ecotronGerman centreIntegrative biodiversity researchஜோசபின் உல்ரிச்பிரீட்ரிச் ஷில்லர் பல்கலைக்கழகம்பல்கலைக்கழகம் ஆஃப் பேசல்ஜெர்மன் மையம் க்கு ஒருங்கிணைந்த பல்லுயிர் ஆராய்ச்சிஆலை அறிவியல்ஜெர்மன் மையம்ஒருங்கிணைந்த பல்லுயிர் ஆராய்ச்சி