Category Archives: Invasive Species

Increasing Biological Invasions

Increasing Biological Invasions

Invasive species have been a problem for quite some time.  Over the years, we have grappled with – among other things – invasive plants from Japan, zebra mussels from eastern Europe, and Asian fungus that kills off ash trees in our forests.

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DNA Analysis of River Water

DNA Analysis of River Water

DNA analysis has become commonplace and inexpensive.  Millions of people have their DNA tested to learn about their origins and family connections.  And the technology has spread to biological research in the form of Environmental DNA or eDNA, which is such a powerful tool that it is transforming the field of wildlife biology. Continue Reading

A Helpful Invader

A Helpful Invader

Invasive species are a great concern for the health and stability of ecosystems.  They are defined as plants, animals or pathogens that are non-native to the ecosystem under consideration and whose introduction causes or is likely to cause harm.  It is that latter consideration that isn’t always obvious. Continue Reading

Wiping Out Wildlife

Wiping Out Wildlife

According to a new report from the World Wildlife Fund, the world’s animal populations have suffered widespread population declines in the last half century.  And thousands of species are now scrambling to survive.  Continue Reading

Nile Crocodiles In Florida

Nile Crocodiles In Florida

Nobody really knows how many alligators live in Florida.  It’s estimated that there are anywhere from 1.3 million to 2 million alligators in the Sunshine State, which means there’s one gator for every 10-15 Floridians.  It’s this ratio that makes it just about impossible for someone living in Florida not to encounter an alligator at… Continue Reading