Source link : https://earth-news.info/general/four-decades-of-biodiversity-uncovered-through-archived-natural-dna-samplers/
A groundbreaking study published in Nature has unveiled four decades of biodiversity shifts by analyzing archived natural DNA samplers. Utilizing innovative genetic techniques on preserved environmental samples, scientists have reconstructed a panoramic view of changes across the tree of life, providing unprecedented insights into how ecosystems have evolved over time. This research not only highlights the power of natural DNA archives in tracking long-term ecological dynamics but also underscores the urgent need to monitor and protect biodiversity amid accelerating environmental change.
Archived Natural DNA Samplers Uncover Hidden Trends in Global Biodiversity
Researchers have leveraged decades-old DNA samples collected from natural environments-ranging from soil and freshwater to airborne particulates-to reconstruct an unprecedented timeline of biodiversity shifts across multiple ecosystems worldwide. By extracting and analyzing genetic material preserved in these archived samplers, scientists revealed fluctuations in species populations and community compositions spanning four decades, offering fresh insights into the impacts of climate change, habitat disruption, and human activity on Earth’s biota.
Significant trends emerged, highlighting declines in sensitive taxa alongside surges in opportunistic organisms, emphasizing cascading effects across trophic levels. Key findings include:
- Consistent degradation of freshwater biodiversity despite conservation…
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Author : earthnews
Publish date : 2025-08-04 16:31:00
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