黄石市医疗污染物排放现状及其防治对策

调查了黄石市医疗污染物的排放及处理处置 ,并分析医疗污染物排放现状、污染特征及其处理处置存在的问题 ,提出了切实可行的防治对策。为行业环境管理和疫 (疾 )病传播源分析提供科学依据。     

Exploring Patterns of Seafood Provision Revealed in the Global Ocean Health Index

Sustainable provision of seafood from wild-capture fisheries and mariculture is a fundamental component of healthy marine ecosystems and a major component of the Ocean Health Index. Here we critically review the food provision model of the Ocean Health Index, and explore the implications of knowledge gaps, scale of analysis, choice of reference points, measures of sustainability, and quality of input data. Global patterns for fisheries are positively related to human development and latitude, whereas patterns for mariculture are most closely associated with economic importance of seafood. Sensitivity analyses show that scores are robust to several model assumptions, but highly sensitive to choice of reference points and, for fisheries, extent of time series available to estimate landings. We show how results for sustainable seafood may be interpreted and used, and we evaluate which modifications show the greatest potential for improvements.     

国内土壤环境污染现状与防治措施

土壤是农业生产的物质基础,其环境污染影响着农产品质量、人体健康与国民经济发展。本文根据实际土壤环境污染情况调查结果,主要阐述了国内土壤环境污染现状,介绍了当前可应用的土壤污染修复技术,并针对污染现状提出了几点防治措施。     

枣庄市大气污染现状及防治建议

对枣庄市近几年的环境空气质量进行了全面回顾,研究了污染物的时空变化规律,根据可吸入颗粒物（PM10）源解析结果,明确了主要污染物来源,并发现枣庄市环境空气质量影响因素为能源结构、工业比重不合理,城市扬尘及汽车尾气等。按照环境目标要求,提出了加强扬尘污染防治、加大产业结构调整和工业污染防治力度等措施。     

Visions for the North Sea: The Societal Dilemma Behind Specifying Good Environmental Status

We augment discussions about the Good Environmental Status of the North Sea by developing two extreme visions and assessing their societal benefits. One vision (‘Then’) assumes restoration of benthic functioning; we contend that trawling had already degraded the southern North Sea a century ago. Available information is used to speculate about benthic functioning in a relatively undisturbed southern North Sea. The second vision (‘Now’) draws on recent benthic functioning. The supply of five ecosystem services, supported by benthic functioning, is discussed. ‘Then’ offers confidence in the sustainable supply of diverse services but restoration of past function is uncertain and likely to be paired with costs, notably trawling restraints. ‘Now’ delivers known and valued services but sustained delivery is threatened by, for example, climate change. We do not advocate either vision. Our purpose is to stimulate debate about what society wants, and might receive, from the future southern North Sea.

Electronic supplementary material

The online version of this article (doi:10.1007/s13280-014-0536-5) contains supplementary material, which is available to authorized users.     

烟气脱硫副产物资源化利用现状与发展方向

简述了我国燃煤电厂湿法、半干法烟气脱硫副产物——脱硫石膏、脱硫灰渣的利用现状,针对利用过程中所遇到的问题,提出了烟气脱硫副产物资源化利用的新技术方向,并对新技术的可行性进行了论证。     

灾害经济研究综述

本文在查阅了大量灾害科学方面的专著、期刊、学位论文和其它文献资料的基础上,对灾害经济学的定义、中外灾害经济的研究现状、灾害经济的基本规律和原理、灾害经济的评价方法、灾害经济学研究内容等六个方面进行了综述和基础理论探讨     

The effects of testosterone on antibody production and plumage coloration in male house sparrows (Passer domesticus)

Many bird species have patches of colour in their plumage, contrasting with their basic coloration, which are used to display and signal status to conspecifics. These are called ’badges of status’, because they are believed to be low-cost signals of social status. For a signalling system to be evolutionarily stable, cheating must be controlled. The conventional view is that there is frequent testing, which uncovers cheats. Recently, the immunocompetence handicap hypothesis (ICHH) suggested that signals may be dependent on testosterone for their development, with a cost being imposed through immune suppression. We report experiments on house sparrows (Passer domesticus) which show that testosterone significantly influences the size of the bib (a ’badge of status’). The ultimate effect of the testosterone manipulation was to impair antibody production, as predicted by the ICHH. However, testosterone manipulations also changed the levels of the ’stress hormone’ corticosterone. The level of corticosterone was also related to the degree of immunosuppression. After controlling for the effect of corticosterone, testosterone enhanced the birds’ ability to produce antibodies, counter to the ICHH. The hypothesis therefore must be modified. We suggest that testosterone has a dual effect: it leads to immunosuppression through a mechanism involving corticosterone but, conversely, leads to increased immunocompetence probably via dominance influencing access to resources. Received: 5 March 1999 / Received in revised form: 1 October 1999 / Accepted: 16 October 1999     

沧炼污水处理现状分析及对策

主要介绍了沧州炼油厂污水处理装置的现状及运行经验，同时对存在的问题进行了分析，并对解决问题的可行性进行了探讨     

浅谈西安市临潼区生态农业发展模式

本文通过对临潼区自然生态环境和资源利用现状进行评价,提出该区生态农业的发展模式及生态农业建设主要任务,以达到持续、高效、合理地利用区内各种资源。