HUMAN IMPACTS ON THE ENVIRONMENT

Honelako gehiago

Money

by Samuel Anderson-McCoy

iGCSE Geography

by willwilliams Williams

Chernobyl

by Ansari Mohammed - T L Kennedy SS (2352)

Organic Foods

by Marsha Ng

HUMAN IMPACTS ON THE ENVIRONMENT

Chemical Controls

Pesticides

DDT

Poisoned many insects

Eaten by geckoes

Geckoes got poisoned and became lethargic

Cats caught more geckoes and got poisoned

Cats died

Rats population increased

Rats carry typhus

As a side effect DDT killed roaches & flies

Disrupted food chains

Killed the mosquitos carrying Malaria which was good

As a side effect it killed the parasitic wasp that ate caterpillars

Caterpillar population increased drastically

Neonicontinoids

Invasive and Exotic Species

Imported soil accidentally had seeds

Seeds grew to become purple loosestrife

Invades other plants' habitats

Takes plants' nutrients

Doesn't allow plants to perform photosynthesis

Plants died

Cargo ships accidentally carry zebra mussels

They take over fish habitats

Eat fish's food

Fish have no food

Fish get week & die

Animals die

Corrupts food web

Pollution

Smoke from cars, planes, Factories etc...

Extra Carbon dioxide

Causes algae blooms

Less fish that eat plants

Global warming

Kills plants

Kills animals that eat the plants

Less food for humans

Disrupts economy

Disrupts food webs

Burning fossil fuels

Creates SO2

Causes acid rain

Soil releases toxins

Plants get poisoned

Plants die

Loss of jobs

Goes into the lakes, streams and wetlands

Makes them acidic

Absorbs aluminium that is in soil

Kills aquatic plants

Kills fish that eat the plants

Less food for some birds

Less birds

Less food

Loss of Biodiversity

Hunting

Eastern wolverine population decreases

Population of Mousse, Caribou, and rabbits increases

Less grasses and plants

Disturbed forests

Kills bees

Less honey

Less food for animals

They ate the thatch that the roofs were made from so the houses collapsed

Less animals

Disrupted food web

Less jobs

Corrupts economy