Research Keyword: biodiversity conservation

Human Activity Impacts on Macrofungal Diversity: A Case Study of Grazing in Subtropical Forests

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When goats graze in forests, they change the environment through trampling, eating plants, and leaving droppings. This study found that goat grazing actually increased the variety of mushrooms and fungi in three types of subtropical forests in China over two years. However, while there were more types of fungi overall, the special fungi unique to specific regions became less common, suggesting grazing makes fungal communities more similar across different areas.

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The Role of Community Science in DNA-Based Biodiversity Monitoring

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Scientists and the general public are working together to monitor biodiversity using DNA-based methods. These collaborations allow researchers to collect data across wider geographic areas and longer time periods than traditional monitoring alone. Community participants, especially hobby experts and nature enthusiasts, help collect samples and contribute to building the genetic reference databases needed to identify species. Recognition and training of volunteers enhances both data quality and participant satisfaction.

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Mechanisms and impacts of Agaricus urinascens fairy rings on plant diversity and microbial communities in a montane Mediterranean grassland

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Fairy ring fungi create circular patterns in grasslands by forming dense underground networks that dramatically change soil properties and plant communities. The study found that these fungal rings reduce plant diversity by 40% at their advancing edge while boosting grass growth inside the ring, creating a stark ecological shift. The fungi produce calcium oxalate crystals that make soil very water-repellent, causing nearby plants to dry out and die. This research shows how a single fungus species can reshape entire ecosystems through physical and chemical changes in the soil.

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A tiny fraction of all species forms most of nature: Rarity as a sticky state

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In nature, whether you look at forests, oceans, or human gut bacteria, a surprising pattern emerges: just a few percent of species make up most of what we see. Scientists discovered this happens because being rare is like being stuck in a sticky spot—rare species stay rare due to the mathematics of population growth, not because they’re inferior. However, these rare species aren’t useless; they act as backup species that can take over if a dominant species crashes, keeping ecosystems stable during tough times.

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