Bieber - Human Impacts Gallery
HS Science
Created on February 1, 2024
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Transcript
gallery
Visual Guide to Human Impacts
start
Select An Image to Explore
Human Impact: Habitat Conversion
Human Impact: Farming
Human Impact: Habitat Fragmentation
Human Impact: Impermeable Surfaces
Human Impact: Energy Needs
Human Impact: Pollution
Reducing Impact: New Ideas
Reducing Impact: Changing Habits
Habitat Conversion
Humans change natural habitats into:
- yards
- parks
- roads
- parking lots
- factories
- farms
- golf courses
Changing the Ecosystem
Humans Convert Natural Habitat
Farms are used to raise livestock or produce crops that are not native species. Humans affect ecosystems by:
- Plowing fields
- Adding fertilizers
- Spraying pesticides
- Using pasture lands
- Polluting streams
- Nitrogen from cow manure and fertilizers
- Using lots of water for their crops
Farms lower Biodiversity
Farming
Humans Change Ecosystems into Farms
More about edge effect
Many species have difficulty:
- finding food
- migrating
- finding mates
- moving to new hunting territory
Fragmentation causes native species to struggle
Habitat Fragmentation
Humans break large ecosystems into small chunks
Permeable surfaces allow water to pass through. These can be:
- wetland
- forest
- wild meadows
- paved roads
- lawns
- roofs
Impermeable Surfaces disrupt the water cycle
Impermeable Surfaces
Humans build surfaces that change how water flows
Fossil fuels like coal, oil, and natural gas are burned to produce heat or energy. But they release carbon dioxide which traps the sun's heat.Some alternative energy sources such as solar or hydroelectric produce energy without making carbon dioxide. But each has effects on ecosystems as well.
Fossil Fuels produce Carbon Dioxide and warm the Planet
Energy Needs
Humans have big energy needs that affect climate
Types of pollution include:
- land ex: litter
- water ex: fertilizer
- air ex. carbon dioxide
- noise ex. vehicles
- light ex. street lights
Pollution damages ecosystems
Pollution
Humans Add harmful substances to Ecosystems
Federal goverment funding allows states to build or improve wildlife structures
- wildlife crossings to provide places for animals to cross busy highways
- naturalized areas and brush piles to provide spaces for wildlife to survive
People are coming up with new ideas to Reduce Impacts
How can we save our Ecosystems?
Reducing Impacts of Habitat Conversion
Provide native spaces for wildlife like community gardensPractice sustainable farmingTo reduce energy needs and pollution, you can:
- walk or ride a bike
- turn off lights
- use proper disposal
People are changing their Habits to Reduce impact
How can we Fix Our Ecosystems?
Reducing Impacts of Habitat Damage
Community Alliances form Strong Support
Link
To see how Grow Pittsburgh is using urban farms
Watch the video
Click the Link
To read a list of 15 ways that Green Philly suggests you can take action this year
Making Changes in Pennsylvania
This article talks about current critter crossings in PA
Read the Article
Link
The video to the left by the PA Game Commission about building brush piles
Watch the Videos
The video below is a news story about buildng wildlife corridors across busy highways in PA.
Urban Fragmentation
Central PA Air Pollution in 2023
Fossil Fuels and Alternative ENergy
Sustainable Farming
Effects of Impermeable Surfaces
Video: Habitat Loss