نتایج جستجو برای: ecological footprint
تعداد نتایج: 115764 فیلتر نتایج به سال:
The demand for live seafood in Asia has spawned a lucrative trade in live coral reef fish that in 1995 had a global annual retail value of over USD 1 billion (Johannes and Riepen 1995; Cesar et al. 1997). There are concerns that the live reef fish food trade is inflicting an unacceptably heavy impact on coral reefs and reef resources in Southeast Asia and the Indo-Pacific.5 These areas contain ...
Animal movement is fundamental for ecosystem functioning and species survival, yet the effects of the anthropogenic footprint on animal movements have not been estimated across species. Using a unique GPS-tracking database of 803 individuals across 57 species, we found that movements of mammals in areas with a comparatively high human footprint were on average one-half to one-third the extent o...
The per capita ecological footprint (EF) is one of the most widely recognized measures of environmental sustainability. It aims to quantify the Earth's biological resources required to support human activity. In this paper, we summarize relevant previous literature, and present five factors that influence per capita EF. These factors are: National gross domestic product (GDP), urbanization (ind...
Mark A.J. Huijbregts⁎, Stefanie Hellweg, Rolf Frischknecht, Konrad Hungerbühler, A. Jan Hendriks Department of Environmental Science, Faculty of Science, Radboud University Nijmegen, 6500 GL Nijmegen, The Netherlands Institute of Environmental Engineering, ETH Zurich, 8093 Zurich, Switzerland ecoinvent Centre, Empa, 8600 Duebendorf, Switzerland Institute for Chemicaland Bioengineering, ETH Zuri...
Exploitation of the seas is currently unsustainable, with increasing demand for marine resources placing intense pressure on the Earth's largest ecosystem [1]. The scale of anthropogenic effects varies from local to entire ocean basins [1-3]. For example, discards of commercial capture fisheries can have both positive and negative impacts on scavengers at the population and community-level [2-6...
1 Breakthrough Institute, Oakland, California, United States of America, 2 The Environment Institute and School of Earth and Environmental Sciences, The University of Adelaide, Adelaide, South Australia, Australia, 3 Department of Geography and Environmental Systems, University of Maryland Baltimore County, Baltimore, Maryland, United States of America, 4 The Nature Conservancy, Seattle, Washin...
Military operations impose various positive and negative consequences on the environment. Three case studies are presented illuminating how local indigenous peoples as stakeholders may be vulnerable to being disenfranchised from important discussions concerning military activities. The study of ecological issues associated with sustaining a military footprint may be particularly useful for info...
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