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1.5.1 Ecosystem Services

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Ecosystem health represents the system resilience, organisation, and vigour for the sustainable functioning (Costanza 1992). Ecosystem services are the major components of ecosystem health which not only provide benefits to the humankind but also help in regulating the overall functioning of an ecosystem (Verma et al. 2020b). For example, urban and peri‐urban forests help the urban society to tackle many of the issues such as protection from heat waves, flood/stormwater, pollution, etc. related to their livelihood (Green et al. 2016; Livesley et al. 2016). A few major ecosystem services (provisioning, supporting, cultural, and regulatory) provided by the urban vegetation include the temperature mitigation (urban cooling), noise level reduction, air purification, climate mitigation, nutrient cycling, C‐sequestration, pollination, providing food (garden and farms), recreation opportunities, ecotourism, run‐off mitigation, waste decomposition and detoxification, habitat for biodiversity, etc. (Steiner 2014; Dallimer et al. 2016; Aronson et al. 2017; Richards et al. 2019; Pedersen Zari 2019). Enumeration of ecosystem services of the urban ecosystems can be done by basic mapping to the valuation and management (McDonald and Marcotullio 2011). However, the extent of ecosystem services demanded by and provided to the urban dwellers varies from city to city throughout the world (Lososová et al. 2018; Richards et al. 2019). Moreover, an increase in extreme weather events has been reported to disrupt the provisioning of ecosystem services, causing an emerging challenge for finding appropriate adaptation measures (Wamsler et al. 2013). Site‐specific enumeration of ecology and climate conditions may help in developing ecosystem services‐based urban regeneration strategies (Pedersen Zari 2019). The ecosystem services are needed to be included in the major policy and decision‐making agendas related to the urban planning and designing in the changing climate scenarios (Pedersen Zari 2019). Thus, with the growth of urban population and climate change, finding the appropriate methods for improving the provisioning of ecosystem services is needed (Richards et al. 2019). Moreover, research on evaluating ecosystem services in the urban ecosystems from the tropical regions is also needed to be explored.

Urban Ecology and Global Climate Change

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