egoeg 2.2 Flashcards
why urban neighbourhoods regarded as ecosystems?
- people are integral parts of ecosystems and dynamic interations exist between people and other parts of the ecosystem.
- activities carried out by people may directly/indirectly change the ecosystems in both positive and nei=gative ways
what is an ecosystem
a geographical area where living communities and non-living environments interact with each other to form a Buble of life
what is ecosystem services
benefits brought to people by nature
what are the 4 ecosystem services
- supporting services
- provisional services
- regulating services
- cultural services
what is provisioning services + eg
tangible resources that people can get from ecosystems such as food, water.
eg: food is grown in urban community garens focused on planting edibles on rooftops
what are regulating ecosystem services?
benefits obtained from the regulation of various ecosystem processes
why do regulating ecosystem processes work together
to ensure that ecosystems are functional, clean, sustainable and resilient to changes
what are the 3 types of regulations in urban neighbourhoods
- water quality
2.air quality - temp/ climate
what are cultural ecosystem services?
refers to the intangible benefits people obtain from ecosystems, including aesthetic experiences, educational opportunities and recreational; activities.
eg of cultural ecosystem services?
bukit timah nature reserve –hikking -> allow residents to gain aesthetic experiences from natural objects–> stress relieve
what are surpporting ecosystem services?
refers to services that are necessary for the functioning of all other ecosystem services, including soil formation, pollination, and photosynthesis