نتایج جستجو برای: environmental threats

تعداد نتایج: 398560  

The purpose of this study was to analyze the strengths, weaknesses, threats and opportunities in the conservation of Baluchistan black bear in the south of Kerman province using the quantitative and qualitative approaches and presenting the sustainable strategic management program for conservation of this species. Using questionnaire, a list of internal and external environmental factors was co...

Journal: :Environmental Health Perspectives 1995
G A LeBlanc

There is an increasing perception that environmental contamination by chemicals no longer poses a significant health threat and that relaxation of environmental regulations is warranted. However, many wildlife populations are showing signs of developmental, behavioral, and reproductive dysfunction due to environmental contamination by endocrine-disrupting chemicals. Scientists, regulators, and ...

The proper management of oily sludge from petroleum products storage tanks is necessary because inappropriate methods for dredging of tanks may result in high costs and increased environmental pollution. The purpose of the current study is to rank the strategies outlined by strengths, weaknesses, opportunities and threats analysis using data envelopment analysis model, which provides enriched i...

2009
Tariq Rahim Soomro

Non-traditional security, often abbreviated as NTS, is a popular but rather ambiguous concept within and outside academic circles. The NTS threats and challenges are always referred to in the context of human security to focus on the security of individuals, societies and groups, which includes criminality, environmental degradation – energy, natural disasters, infectious disease and illegal mi...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2011
Charles B Yackulic Eric W Sanderson María Uriarte

The extinction of a species is inevitably preceded by the extirpation of a series of local populations. Ecological theory predicts that vulnerability to extirpation varies between populations and is ultimately linked to environmental heterogeneity. If populations of a species are present in multiple regions separated by abrupt changes in environmental conditions (e.g., biomes), spatial variatio...

2002
Jill S. Litt H. Patricia Hynes Paul Carroll Robert Maxfield Carol Kawecki

biomedical l interventions and prevention strategies. It is an issue that has been a concern of public health officials for decades and has been addressed quite successfully from a national perspective. By eliminating two major sources of exposures—leaded gasoline and leaded paint—blood lead levels for the majority of Americans have dropped dramatically over the past two decades. Unfortunately,...

2008
AG Robertson

This editorial heralds the online publication of a new, international, peer-reviewed, open access journal, dedicated to emerging threats to human health. The Journal is an initiative of the Emerging Health Threats Forum, an independent, not-for-profit association that was established with support from the UK's Health Protection Agency. This Journal builds on the Forum's extensive emerging healt...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید