semester 2 yr10 exam Flashcards
(24 cards)
Factors of climate change
removing trees
Damming rivers
mining
Pollution
Categories of land degradation
changes to land
Changes to atmosphere
changes to water
Land degredation
loss of productivity/fertility of land-based environments
Soil degradation
loss of fertility of soil. Becomes compacted, loses nutrients, becomes acidic.
Salinity
build-up of salt in the topsoil
Soil erosion
soil is gradually worn away by natural phenomena
Types of erosion
wind erosion
Gully erosion
sheet erosion
Ozone layer
region of atmosphere protecting earth from sun’s ultraviolet radiation
Air pollution
air affected by pollutants
3 types of pollutants
Physical
chemical
Biological
physical pollutants
Litter
plastic
Chemical pollutants
when concentration of chemicals in water are harmful.
Eg. Oils
biological pollutants
Bacterial and parasitical pollution
eg. Sewerage
4 S’s of ecosystem services
sources
sinks
services
Spirituality
sources
Natural products used or converted by humans for our use
sinks
Processes in natural environment that absorb our waste
Services
things that are done for us by natural environment that don’t produce consumable resources
Spirituality
personal relationships that humans have with environment
Sustainability
ongoing capacity of the environment to support lives of all living things into the future
Biodiversity
variety of living organisms on the planet.
Measured by number of species present in ecosystem or region.
4 greenhouse gases
Carbon dioxide
methane
Nitrous oxide
fluorinated gases
Coastal degradation
changes in coastal environments
Factors of wellbeing
values Beliefs history Environment level of education Language culture
Role of UN
peace and security
Development
human rights
Humanitarian aids
