منابع مشابه
The German Bitumen Forum--cooperation in partnership.
Some substances are familiar only to those who work in certain industries. Bitumen is something that we have all seen applied in road repair, and we may be aware of less obvious uses. Studies on it are frequently reported in this journal, often with emphasis on polyaromatic hydrocarbon exposure (e.g. Burstyn et al., 2002; McClean et al., 2004a,b; Väänänen et al., 2005). In June 2006, bitumen is...
متن کاملMercury in Fish from National Parks
Mercury (Hg) is a toxic, global contaminant that threatens ecosystem and human health. Human activities have increased atmospheric concentrations 3-5 fold during the past 150 years. Airborne Hg enters environmental cycles in complex ways, resulting in the contamination of even remote places. The National Park Service (NPS) protects some of the most pristine and sensitive wilderness in North Ame...
متن کاملParks promoting physical activity: synthesis of findings from interventions in seven national parks.
BACKGROUND We synthesized the results of 7 National Park Service pilot interventions designed to increase awareness of the health benefits from participation in recreation at national parks and to increase physical activity by park visitors. METHODS A content analysis was conducted of the final evaluation reports of the 7 participating parks. Pooled data were also analyzed from a standardized...
متن کاملConservation Geographies in Sub-Saharan Africa: The Politics of National Parks, Community Conservation and Peace Parks
Sub-Saharan Africa has been the location of intense conservation planning since the colonial era. Under the auspices of wilderness protection, colonial authorities established national parks largely for the purpose of hunting and tourism while forcibly evicting indigenous populations. Concerns about the ethical and economic impacts of protected areas have generated interest in community conserv...
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ژورنال
عنوان ژورنال: Studia i Prace WNEiZ
سال: 2017
ISSN: 2080-4881,2300-4096
DOI: 10.18276/sip.2017.47/2-22