Do you have a question about the Chesapeake Bay? Explore our list of frequently asked questions to learn more about the Bay and its watershed, habitats and wildlife. You can browse the FAQ by category, or explore the answers to some of our most common questions below.
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After habitat loss, invasive species are one of the top threats to native plants and animals. They can cause harm when they establish themselves at the expense of native plants and animals, encroaching on their food or habitat.
Invasive species are plants and animals that have been introduced, whether accidentally or on purpose, into their current habitat. Invasive species can cause harm when they establish themselves at the expense of native plants and animals.
Both invasive and exotic species are not native to their current habitat. While invasive species are harmful to their surrounding environment, exotic species do not necessarily cause harm. Mute swans, nutria and zebra mussels are three invasive species in the Chesapeake Bay watershed. Green crabs, sika deer and largemouth bass are three of the region’s exotic species.
Yes. There are more than 200 known or possible invasive species in the Chesapeake Bay watershed.
Invasive species can be introduced to an ecosystem in a number of ways. Sometimes, non-native species are introduced accidentally through human trade, travel and tourism. Other times, non-native species are deliberately introduced as pets, for recreation or to control pests.
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