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URBAN ECOSYSTEM.pptx
- 2. Introduction Definitions of Urban Ecosystem: • Urban Ecosystem - Are complex and dynamic systems that encompasses the interaction between human, the built environment, and the natural world. - Characterized by variety of physical, chemical and biological components that shape the functioning of the system.
- 3. • Intensive land-use biome/ Anthropogenic biomes has been incorporated into several distinct functional biomes in the terrestrial and fresh water realms. - Considered as a functional group within the intensive land-use biome. - Structurally complex ecosystem with highly heterogenous and dynamic spatial structure that is created and maintained by humans.
- 4. Key challenges of Urban Ecosystem: - Maintain a balance between the needs of humans and the needs of nature. - Rely on large subsidies of imported water, nutrients, food and other resources.
- 5. How to manage/Sustain Urban Ecosystem? 1. Using of Green infrastructure, which involves incorporating natural elements into the built environment. Ex. Green roofs. Parks, and urban forest. Green infrastructure can provide a range of benefits to humans. Ex. Improved air and water quality, reduced urban heat effect, and enhanced mental health and well-being.
- 7. 2. Promote Biodiversity - Protect and restore natural areas, creating wildlife corridors, and promoting the use of native plant species in landscaping.
- 8. 3. Sustainable Transportation - Can help to reduce traffic congestion, air pollution, and carbon emission. - Cities can also promote the use of electric or hybrid vehicles as an alternative to traditional-gas powered cars.
- 9. 4. Water Conservation - Encourage water conservation practices can help reduce water usage and water resources in urban areas.
- 10. 5. Waste Reduction - Reduce waste regeneration and increasing recycling rates can help to reduce the amount of waste going to landfills. - Implementation of the Ecological Solid Waste management (ESWM) (RA9003)
- 11. 6. Energy Effieciency - Can help to reduce energy consumption and greenhouse gas emissions in urban areas.
- 12. Additional information for Sustainable Development in Urban areas: a. Economic sustainability b. Social Sustainability c. Environmental sustainability d. Citizen engagement e. Integration of the three pillar - Planning and design - Sustainable transportation - Promoting social equity and inclusion
- 13. Thank You Prepared by: Margie B. Almoza
Editor's Notes
- - Biological components includes plants, animals, microorganisms and other life forms. - Physical includes soil, water, air, climate and topography. ( The art or practice of graphic delineation in detail usually on maps or charts of natural and man-made features of a place or region especially in a way to show their relative positions and elevation. - Urban ecosystem are also shaped by social, economic, and political factors which influences the way people interact with environment.
- INTENSIVE LAND-USE BIOME- Also known as the Anthropogenic biome/human biome- describe the terrestrial biosphere in its contemporary, human altered form using global ecosystem unit. This includes cities, smaller settlements and industrial areas, that are made up of diverse patch types( buildings, paved surfaces, transport infrastructure, parks and gardens, refuse areas.) Compared to other natural and artificial ecosystems human population density is high, and their interaction with the different patch types produces emergent properties and complex feedbacks among ecosytem components. - Additional units have been described for the freshwater, marine subterranean and transitional realms to create a more comprehensive description of all ecosystems created and maintained by human activities.
- 1. Cities are often associated with pollution, traffic congestion, and loss of green spaces, which can have negative impact on the environment and human health. However, urban Ecosystem can also provide a range of ecosystem services, such as air purification, carbon sequestration, and recreational opportunities, which can benefit both humans and the environment.
- - This built environments can help mitigate the impacts of urbanization on the environment.
- Studies indicate that well-functioning green infrastructure can increase urban resilience against extreme weather- and climate-related events such as landslides, floods, storm surges, and droughts (Tzoulas, 2007; Gaffin, Rosenzweig, & Kong, 2012; Depietri & McPhearson, 2017). Green infrastructure can also be part of the mix of measures to reduce urban greenhouse gas emissions. Moreover, green infrastructure aims to increase the overall physical and emotional well-being of urban communities. Green infrastructure is often less expensive than grey infrastructure and provides more co-benefits. The challenges associated with green infrastructure, especially encountered in developing country contexts with high urbanization rates, high levels of informality and poverty and under-resourced governments, are competing land development pressures (including increasing local municipal rates base), informal/illegal land occupations, and the regular maintenance requirements (i.e. expertise, budgets and local government mandates).
- Urban areas can support a surprising amount of biodiversity, including some range of plants and animal species, but this biodiversity is often threatened by habitat loss and fragmentation.
- With this sustainable practices the clean air act comes in, thus it pertains to the Philippines law that aims to improve air quality and protect public health from harmful effects of air pollution.
- Some examples for this practices like low-flow faucets and showerheads, harvesting rainwater, and using drought-tolerant landscaping.