منابع مشابه
Using Citygml to Deploy Smart-city Services for Urban Ecosystems
The rapid technological evolution, which is characterizing all the disciplines involved within the wide concept of smart cities, becomes a key factor to trigger true user-driven innovation. In this context 3D city models will play an increasingly important role in our daily lives and become an essential part of the modern city information infrastructure (Spatial Data Infrastructure). The goal o...
متن کاملCity Ecosystems
An ecosystem is traditionally defined as a community of organisms functioning as an ecological unit in nature. Ecologists often study sites as far away from human influence as possible to get closer to nature. Likewise, when urban educators teach ecology, they often take their students outside the cities to study nature's ecosystems. However, leaving the city limits may no longer be necessary a...
متن کاملThe Biswell Symposium: Fire Issues and Solutions in Urban Interface and Wildland Ecosystems
A personal overview of why California is suffering billion-dollar-per-year costs and losses from wildland fire is presented. Two primary and ten supplemental factors contribute to the huge losses. The primary factors are lack of planning effectiveness and lack of adequate fuels management on a sustained basis. Supplemental factors target organizational and political weaknesses that contribute t...
متن کاملUrban transitions: on urban resilience and human-dominated ecosystems.
Urbanization is a global multidimensional process paired with increasing uncertainty due to climate change, migration of people, and changes in the capacity to sustain ecosystem services. This article lays a foundation for discussing transitions in urban governance, which enable cities to navigate change, build capacity to withstand shocks, and use experimentation and innovation in face of unce...
متن کاملOrganic carbon hidden in urban ecosystems
Urbanization is widely presumed to degrade ecosystem services, but empirical evidence is now challenging these assumptions. We report the first city-wide organic carbon (OC) budget for vegetation and soils, including under impervious surfaces. Urban soil OC storage was significantly greater than in regional agricultural land at equivalent soil depths, however there was no significant difference...
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ژورنال
عنوان ژورنال: Environmental Health Perspectives
سال: 2000
ISSN: 0091-6765
DOI: 10.2307/3454490