Oldest insect resource pulses revealed by fossils from China

Resource pulses, i.e., occasional episodes of ephemeral resource superabundance, represent a fundamental mechanism by which energy, nutrients, and biomass are transported across ecotones. They are widespread in extant ecosystems; ...

Paired gas measurements: A new biogeochemical tracer?

Soil respiration is fundamental in terrestrial ecosystems, where plants and microbes dominate the production of carbon dioxide released to the atmosphere. The scientific understanding of the processes underpinning soil respiration ...

A single gene controls species diversity in an ecosystem

More than 50 years ago on the shoreline of a rocky tide pool, the US ecologist Robert Paine discovered that the removal of a single species from an ecosystem could dramatically alter its structure and function. He had discovered ...

The secret of mycorrhizal fungi

Fungi, specifically those that are "mycorrhizal," are natural allies of the forest because they improve tree nutrient acquisition. But which of the mycorrhizal feeding strategies yields the greatest tree diversity in a forest: ...

Extinct swordfish-shaped marine reptile discovered

A team of international researchers from Canada, Colombia, and Germany has discovered a new marine reptile. The specimen, a stunningly preserved meter-long skull, is one of the last surviving ichthyosaurs—ancient animals ...

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