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Invertebrate Density Influences Plant Flowering Times, Abundance

, 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. 

Research catches up to world s fastest-growing plant

Credit: Salk Institute LA JOLLA (February 1, 2021) Wolffia, also known as duckweed, is the fastest-growing plant known, but the genetics underlying this strange little plant s success have long been a mystery to scientists. Now, thanks to advances in genome sequencing, researchers are learning what makes this plant unique and, in the process, discovering some fundamental principles of plant biology and growth. A multi-investigator effort led by scientists from the Salk Institute is reporting new findings about the plant s genome that explain how it s able to grow so fast. The research, published in the February 2021 issue of Genome Research, will help scientists to understand how plants make trade-offs between growth and other functions, such as putting down roots and defending themselves from pests. This research has implications for designing entirely new plants that are optimized for specific functions, such as increased carbon storage to help address climate change.

Leipziger Forschungsergebnis: Straßenbäume können sogar die seelische Gesundheit stärken – Nachrichten aus Leipzig

Leipziger Forschungsergebnis: Straßenbäume können sogar die seelische Gesundheit stärken – Nachrichten aus Leipzig
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Philosophie als kollektive Arbeit: Das Ende der großen Zauberer - Kultur

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