A new study has revealed that two-thirds of animal and plant populations are experiencing a decline in genetic diversity, making it harder for them to adapt to environmental changes. Researchers examined data from 628 species studied between 1985 and 2019, finding the greatest losses in birds and mammals. The study highlights the importance of conservation efforts to connect isolated populations and maintain genetic diversity for species survival.
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Researchers examined data for 628 species studied between 1985 and 2019. The greatest losses in genetic variation were seen in birds and mammals. If a new disease spreads through a population or climate change alters summer rainfall, some individuals will fare better than others, in part because of their genes. Higher genetic diversity also means there’s a greater chance of a species' survival.
Florida panthers are an endangered species that have steadily lost habitat to freeways and urban sprawl. By the mid-1990s, the remaining big cats in southern Florida showed clear signs of inbreeding – with kinked tails and low sperm counts in males.
GENETIC DIVERSITY CONSERVATION SPECIES SURVIVAL ENVIRONMENTAL CHANGES INBREEDING
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