Invasive Species and Their Impact

Invasive species are non-native plants or animals introduced by humans that threaten biodiversity, the environment, and human health. They are a major global threat, including in Wales, where they can dominate ecosystems. The video highlights the importance of reporting sightings and provides information on identifying species like the Asian Hornet, signal crayfish, knotweed, and gray squirrel. Viewers are encouraged to use available toolkits for more information on managing these species.

What are invasive species and why are they a concern?

• They are native species that help the environment.

• They are species introduced by humans that threaten ecosystems.

• They are species that only affect the economy.

• They are species that improve biodiversity.

How do invasive species affect Wales' biodiversity?

• They only affect urban areas.

• They dominate ecosystems and endanger native species.

• They help native species thrive.

• They have no impact on ecosystems.

What can individuals do to help manage invasive species?

• Ignore them as they are harmless.

• Report sightings and keep an eye out for them.

• Only report them if they are in urban areas.

• Encourage their spread for biodiversity.

How can you identify an Asian Hornet?

• By its black abdomen with a yellow band.

• By its green abdomen.

• By its red wings.

• By its blue stripes.

What is a key feature of the Signal Crayfish?

• Its bright red color.

• Its ability to fly.

• Its large size.

• Its signals on the claws.

What damage can Knotweed cause?

• It is beneficial for construction.

• It only affects other plants.

• It can only grow in water.

• It can grow through hard materials and damage properties.

How can you differentiate between red and gray squirrels?

• By their diet.

• By their habitat.

• By their size.

• By the color of their coat.

What disease do gray squirrels spread that affects red squirrels?

• Squirrel rash.

• Squirrel fever.

• Squirrel pox.

• Squirrel flu.

Why is it important to report sightings of invasive species?

• To help them spread faster.

• To ensure they are protected.

• To increase their population.

• To help manage and control their impact.