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71.
Wang Hui Chen Zijian Walker Tony R. Wang Yinggang Luo Qing Wu Hao Wang Xiaoxu 《Environmental geochemistry and health》2022,44(10):3639-3654
Environmental Geochemistry and Health - Characteristics, profile composition, ecological and human health risk of polycyclic aromatic hydrocarbons in surface dust collected from Shenyang city,... 相似文献
72.
John M. Quinn Paul M. Brown Wendy Boyce Sarah Mackay Andrew Taylor Tony Fenton 《Journal of the American Water Resources Association》2001,37(6):1509-1515
ABSTRACT: Riparian zones perform a variety of biophysical functions that can be managed to reduce the effects of land use on instream habitat and water quality. However, the functions and human uses of riparian zones vary with biophysical factors such as landform, vegetation, and position along the stream continuum. These variations mean that “one size fits all” approaches to riparian management can be ineffective for reducing land use impacts. Thus riparian management planning at the watershed scale requires a framework that can consider spatial differences in riparian functions and human uses We describe a pilot riparian zone classification developed to provide such a framework for riparian management in two diverse river systems in the Waikato region of New Zealand. Ten classes of riparian zones were identified that differed sufficiently in their biophysical features to require different management. Generic “first steps” and “best practical” riparian management recommendations and associated costs were developed for each riparian class. The classification aims to not only improve our understanding of the effectiveness of riparian zone management as a watershed management tool among water managers and land owners, but to also provide a basis for deciding on management actions. 相似文献
73.
Tony Matthews 《Local Environment》2013,18(10):1089-1103
This paper characterises climate change as a “transformative stressor”. It argues that institutional change will become increasingly necessary as institutions seek to reorientate governance frameworks to better manage the transformative stresses created by climate change in urban environments. Urban and metropolitan planning regimes are identified as central institutions in addressing this challenge. The operationalisation of climate adaptation is identified as a central tenet of a comprehensive urban response to the transformative stresses that climate change is predicted to create. Operationalisation refers to climate adaptation becoming incorporated, codified and implemented as a central tenet of urban planning governance. This paper has three purposes. First, it examines conceptual perspectives on the role of transformative stressors in compelling institutional change. Second, it establishes a conceptual approach that characterises climate change as a transformative stressor requiring institutional change within planning frameworks. Third, it reports emergent results and analysis from an empirical inquiry which examines how the metro-regional planning regime of Southeast Queensland has responded to climate change as a transformative stressor via institutional change and the operationalisation of climate adaptation. 相似文献
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Tony Jackson 《Journal of Environmental Planning and Management》2000,43(3):389-406
Claims of employment and productivity gains from environmental taxation are examined in the context of recent policy developments which have extended the traditional role of economic instruments in environmental regulation. Although the general existence of such spin-offs cannot be established, the debate has clarified guidelines for designing and implementing specific environmentally based taxes to help deliver sustainable development. Recent UK tax proposals have started to draw on the flexibility of fiscal instruments to tackle environmental problems. Innovations include earmarking taxes to fund allied spatial and sectoral programmes, recycling revenues to provide fiscally neutral improvements in tax efficiency and using taxation to help promote eco-efficiency. 相似文献
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Fetal sacrococcygeal teratoma can lead to a high output cardiac failure resulting in hydrops fetalis. One of the prenatal therapeutic options is to occlude the feeding vessels by radiofrequency ablation. We present a case of fetal sacrococcygeal teratoma diagnosed at 13 weeks of gestation. The tumour increased in size more than 100-fold over 5 weeks causing polyhydramnios and cardiac and placental enlargement. Thermocoagulation was performed at 18 weeks' gestation by passing an insulated electric wire through an 18-gauge needle placed close to the feeding vessels of the tumour at its neck. Blood supply to the tumour was successfully reduced. However, fetal death was diagnosed 2 days after the procedure. We speculate that it may be safer to limit the extent of coagulation in one attempt but to repeat the procedure at a later stage when necessary. Copyright © 2002 John Wiley & Sons, Ltd. 相似文献
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Tony Smith 《Journal of Agricultural and Environmental Ethics》1995,8(2):157-158
Our massive tampering with the world's interdependent web of life-coupled with the environmental damage inflicted by deforestation, species loss, and climate change-could trigger widespread adverse effects, including unpredictable collapses of critical biological systems whose interactions and dynamics we only imperfectly understand. Uncertainty over the extent of these effects cannot excuse complacency or delay in facing the threats ... We the undersigned, senior members of the world's scientific community, hereby warn all humanity of what lies ahead. A great change in our stewardship of the earth and the life on it is required, if vast human misery is to be avoided and our global home on this planet is not to be irretrievably mutilated. (Union of Concerned Scientists, 1992) 相似文献