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71.
Responding to increased concern for an aquatically literate public, the authors discuss the present state of aquatic education
curriculum efforts, the need for a comprehensive conceptual scheme for aquatic studies, and the subsequent development and
use of the COAST Conceptual Scheme for Aquatic Studies. 相似文献
72.
Gray PA Duwors E Villeneuve M Boyd S Legg D 《Environmental monitoring and assessment》2003,86(1-2):129-147
In recognition of the many values that people ascribe to nature, federal, provincial, and territorial agencies worked inpartnership to complete the 'Survey on the Importance of Natureto Canadians' (SINC) in 1981, 1987, 1991, and 1996. Between 1981 and 1996, more than 80% of Canadians 15 years of age and older engaged in one or more nature-related activities. This paper describes the evolution of this cooperative monitoring program, defines a classification system as a context for the values examined by the SINC, highlights trends of some nature-related recreational activities measured by the survey, and comments onthe importance of this information to Canadians. 相似文献
73.
Michael Greenberg Joanna Burger Charles Powers Thomas Leschine Karen Lowrie Barry Friedlander Elaine Faustman William Griffith David Kosson 《补救:环境净化治理成本、技术与工艺杂志》2002,13(1):39-58
This article discusses a process for finding insights that will allow federal agencies and environmental professionals to more effectively manage contaminated sites. The process is built around what Etzioni (1968) called mixed‐scanning, that is, perpetually doing both comprehensive and detailed analyses and periodically re‐scanning for new circumstances that change the decision‐making environment. The article offers a checklist of 127 items, which is one part of the multiple‐stage scanning process. The checklist includes questions about technology; public, worker, and ecological health; economic cost and benefits; social impacts; and legal issues. While developed for a DOE high‐level radioactive waste application, the decision‐making framework and specific questions can be used for other large‐scale remediation and management projects. © 2002 Wiley Periodicals, Inc. 相似文献
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75.
Elaine A. Cohen Hubal Michael R. Overcash 《Journal of the Air & Waste Management Association (1995)》2013,63(11):1449-1454
Post-combustion air pollution control technologies were evaluated to determine total waste produced by the operation of these systems. A continuum of air pollution control technology choices providing increasing levels of control is presented and the quantity of waste produced by each air pollution control option has been calculated. In addition, this analysis accounts for waste produced indirectly by the generation of energy required for operation of the control technologies. This type of analysis can be used to select optimal control levels and to demonstrate why a goal of zero air emissions may not be environmentally desirable. 相似文献
76.
Elaine M. Hockman Charles M. Morris 《Journal of Environmental Planning and Management》1998,41(2):157-176
Much present research on the relationship between socio-economic factors and the siting of sources of environmental pollution has focused primarily on race and income. Using census data, timed-based data from multiple sources of pollution, and rates of cancers and low birth weight in the State of Michigan by zip code, we present a multivariate model that can distinguish the effects of race, income and other land use characteristics on: (1) the location of different sources of pollution; (2) progress toward clean-up of contaminated waste; and (3) how pollution is associated with measures of public health. 相似文献
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78.
Elaine S. Fileman Penelope K. Lindeque Rachel A. Harmer Claudia Halsband Angus Atkinson 《Marine Biology》2014,161(11):2479-2494
Meroplankton are seasonally important contributors to the zooplankton, particularly at inshore sites, yet their feeding ecology is poorly known relative to holoplankton. While several studies have measured feeding in decapod larvae, few studies have examined the feeding rates of decapod larvae on natural prey assemblages throughout the reproductive season. We conducted 8 feeding experiments with Necora puber, Liocarcinus spp. and Upogebia spp. zoea larvae collected from the L4 monitoring site off Plymouth (50°15.00′N, 4°13.02′W) during spring–summer 2009 and 2010. This period spanned moderate-to-high food availability (0.5–1.6 µg chl-a L?1), but a great range in food composition with small cells <20 µm dominating in 2010. Daily rations averaged 17, 60 and 22 % of body C for the 3 respective decapod species. Clearance rates differed according to prey type, and all 3 decapod genera showed evidence of selection of dinoflagellates. Importantly, small cells including nano- and pico-plankton were ingested, this being demonstrated independently by flow cytometric analysis of the feeding experiments and molecular analysis. PCR-based analysis of the haptophyte portion of the diet revealed ingestion of Isochrysis galbana by decapod larvae in the bottle incubations and Isochrysis galbana and Phaeocystis globosa by decapod larvae collected directly from the field. This study has shown that pico- and nano-sized plankton form an important supplement to the diverse and variable diet of decapod larvae. 相似文献
79.
Capital assets and intercultural borderlands: socio-cultural challenges for natural resource management 总被引:1,自引:0,他引:1
In their design or implementation, many natural resource management (NRM) programs ignore critical socio-cultural dimensions of the challenge to advance sustainability. Building on particular ideas about culture and human ecosystems, we combine the strengths of the capital assets model of sustainability and the idea of intercultural borderlands to respond to this gap. To advance our thesis about the utility of these tools, we critically reviewed and analysed a cross-disciplinary literature relating to the socio-cultural dimensions of NRM. This paper stems from that labour and examines particular tensions that arise in land management as a result of Australians' specific colonial and postcolonial legacies. These tensions--related to ethnicity, gender, population, age and health--are among the threads in the larger tapestry that comprises the socio-cultural dimensions of NRM. For the Australian case, they are central, longstanding and persistent, and thus worthy of analysis; and they are applicable in general terms to other places with similar histories of settlement and land use. 相似文献
80.