Fungal Species: Cortinarius

Forest Type and Climate Outweigh Soil Bank in Shaping Dynamic Changes in Macrofungal Diversity in the Ancient Tree Park of Northeast China

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This study examined mushroom diversity across different forest types in Northeast China’s Ancient Tree Park. Researchers found that mixed forests support the most diverse mushroom communities, and that weather conditions like rainfall and temperature significantly influence mushroom growth. Surprisingly, the fungal spores in soil were not the primary source of above-ground mushrooms, suggesting that mushroom spores travel and establish from other sources.

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Fungal guild interactions slow decomposition of boreal forest pine litter and humus

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In boreal forests, different types of fungi compete with each other to break down dead plant material. This study found that the fungi living in partnership with tree roots actually slow down the decomposition of fresh pine needles, especially after droughts. However, in older, partially decomposed soil material, the fungi associated with tree roots actually speed up decomposition, while fungi associated with shrubs slow it down. These findings suggest that how quickly different types of fungi decompose forest material depends on what type of dead material they are breaking down.

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A trait spectrum linking nitrogen acquisition and carbon use of ectomycorrhizal fungi

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Different types of ectomycorrhizal fungi have evolved distinct strategies for acquiring nutrients from soil and transferring them to trees. The study proposes that these fungi can be arranged on a spectrum from ‘absorbers’ that quickly grab available nutrients in fertile forests to ‘miners’ that slowly exploit tough organic matter in poor forests. This framework explains why the same fungus behaves differently depending on soil fertility and unifies seemingly contradictory observations about fungal responses to nutrient additions.

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Plant species and soil moisture shape rhizosphere microbiota in an unusually productive tundra ecosystem of North Greenland

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In one of Earth’s most extreme environments—North Greenland’s Arctic tundra—scientists discovered that water availability and plant types strongly influence the invisible microbial communities living in soil around plant roots. Using advanced genetic sequencing, they found that different plants host distinct communities of bacteria, fungi, and other microorganisms, with fungi showing the strongest plant-specific associations. These findings help us understand how Arctic ecosystems function and may adapt to climate change.

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A trait spectrum linking nitrogen acquisition and carbon use of ectomycorrhizal fungi

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Forest mushroom fungi form partnerships with tree roots to help them get nutrients from soil. This research proposes that these fungi fall into two main types along a spectrum: ‘absorbers’ that quickly build large fungal networks to capture easily available nitrogen, and ‘miners’ that slowly grow elaborate cord systems to break down difficult organic matter and extract nitrogen. The study uses math models to show how different fungal strategies affect both how much carbon the trees provide and how much nitrogen returns to the trees.

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