Marine invasive species

Alien species

Species that are not native to a region

invasive

Alien species becomes ... when they do harm to the environment or ecosystem

- Shipping-ballast and fouling (biggest one)

- Aquaculture

- Marine trash

- Aquariums

What are the sources of invasive/alien species?

Southern Europe and Northern Africa

... has the most invasive marine species

Negatively affect native species abundance and richness/Hinder ecosystem functioning and provision/Increase risks of native extinction

What are some of the environmental costs of invasive/alien species?

food web

When non-native species enter, they immediately become part of the ...., they can impact how the environment functions

local extinction

High rates of .... is where invasive species are

About $345 billion

What is the economic cost of invasive species?

62%

What is the percent of invertebrates?

28%

What is the percent of vertebrates?

6%

What is the percent of plants?

Data

... about a country's portion of the ocean is barely shared with the world

doesn't take the data

A lot of the world either .... or they don't share it with the rest of the world

Aquariums, people dumping them into the ocean

In the lionfish invasion video, what was the source of the invasion?

Florida

In the lionfish invasion video, where did the lion fish originate?

No predators, disease, parasites/camoflage/eats anything that fits in their mouth/reproduce early and often

Why were the lionfish able to survive and spread throughout the region?

They are reducing the natural abundance and richness in coastal regions and coral reefs

What negative impacts does the invasion of lionfish have?

Hunt them and eat them/researchers train predators in the wild to eat them

Is there a way to eradicate the lionfish or reduce their numbers, how?

- Made regulations

- Must make baluster exchange at sea

- Develop methods to kill the organisms in the baluster tanks

- Use ozone to reat baluster water

- Using 2 cylinders that contains ultra violet to eradicate the organisms in the baluster tanks

- Uses water pressure to continuously flush baluster water

What are some ideas/efforts to manage/reduce invasion species due to shipping activites?