In this world contain thousands of exotic

species, some which may have been

imported intentionally, some accidental.

Species could possibly have a negative

impact, while others may be positive.

Exotic species are known as species that

are accidentally or deliberately forced to

migrate to another area of which it

does not belong.

Example: African Killer bees were forced to

move to Brazil due to high demands of

honey production from humans.

Native Species: Species that originally live in

the location are considered as this

Ecosystem:

• They destroy other birds and their habitat,

smash their eggs and mainly kill adult

blue birds.

• Since North America’s population is descended from

birds, they decided to import them from

Britain. Which they soon realized was a big mistake

• As things kept progressing, the populations of

these species in North America increased to

about 150 billion in the 1940s.

• In agricultural areas, the house sparrow would

quickly deplete the source of grains and seeds

• The exotic fire ants have been damaging

agriculture including: live stock and crops

• It cost a hefty 175 million to

wipe out 99% of the RIFA of

main infestation in Queensland

• The fire ant stings require medical attention

• Fire ants were not a bother until

they became an exotic species

• This species was accidentally shipped to USA

from Alabama by cargo shipping

• Eventually, they started to infest the South/South-West

USA, and areas in Taiwan and Australia

• This beetle became a serious threat to

species residing in the deciduous hardwood trees.

• When larval stages occur, the ALB bores

deep into a tree’s heartwood, where the

nutrients are consumed.

• Consistency in the process could severely damage

the trees

• If the ALB becomes established, it is

estimated 1.2 billion trees will be killed

• They became exotic species by shipping.

• When cargos used to be supported by

wood, the beetle would stick to it

and finally be released in another area

since they were poor fliers.

• Sea lampreys created conflict with other species

(lake trout, lake whitefish, chub, lake herring)

• After wiping out these predators they allowed

other exotic species to also grow in

population which would further harm native species

in that area.

• Sea lampreys became an exotic species due

to the improvements of the Welland Canal

in 1919 which allowed its spread from

Lake Ontario to Lake Erie

• From there, it started gradually spreading further