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  • Annual estimates of occupancy for bryophytes, lichens and . . .
    Here, we determine annual estimates of occupancy and species trends for 5,293 UK bryophytes, lichens, and invertebrates, providing national scale information on UK biodiversity change for 31
  • Using DNA Barcodes to Identify and Classify Living Things
    and animals—let alone microbes—living in many unique ecosystems on earth Less than two million of the estimated 5–50 million plant and animal species have been identified Scientists agree that the yearly rate of extinction has increased from about one species per million to 100–1,000 species per million This means that thousands
  • Vertebrates on the brink as indicators of biological . . . - PNAS
    During the more than 4 5 billion years of Earth’s history, there has never been a richness of life comparable to that which exists today () Although there have been five mass extinction episodes during the last 450 million years, each destroying 70 to 95% of the species of plants, animals, and microorganisms that existed earlier (2–4), life has recovered and multiplied extensively
  • Magnetic maps in animals: natures GPS Free - The Company of . . .
    SUMMARY Diverse animals detect the Earth's magnetic field and use it as a cue in orientation and navigation Most research on magnetoreception has focused on the directional or `compass' information that can be extracted from the Earth's field Because the field varies predictably across the surface of the globe, however, it also provides a potential source of positional or `map'information
  • Genetic and Ecological Studies of Animals in Chernobyl and . . .
    The specific activity ratios of 137Cs Cs and 90Sr Sr in the exchangeable fraction were similar to those in potatoes, with a factor of 3 in the ±95 % confidence intervals over six orders of
  • Extinction event - Wikipedia
    In a landmark paper published in 1982, Jack Sepkoski and David M Raup identified five particular geological intervals with excessive diversity loss [2] They were originally identified as outliers on a general trend of decreasing extinction rates during the Phanerozoic, [3] but as more stringent statistical tests have been applied to the accumulating data, it has been established that in the
  • 68% Average Decline in Species Population Sizes Since 1970 . . .
    Washington, D C , Sept 9, 2020 – Globally, monitored population sizes of mammals, fish, birds, reptiles, and amphibians have declined an average of 68% between 1970 and 2016, according to World Wildlife Fund’s (WWF) Living Planet Report 2020 Populations in Latin America and the Caribbean have





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