{"title":"Proceedings of the 31st industrial waste conference, 4, 5 and 6 May 1976, Purdue University. Proceedings of the 32nd industrial waste conference, 10–12 May 1977, Purdue University","authors":"","doi":"10.1016/0013-9327(79)90081-8","DOIUrl":"https://doi.org/10.1016/0013-9327(79)90081-8","url":null,"abstract":"","PeriodicalId":100482,"journal":{"name":"Environmental Pollution (1970)","volume":"20 2","pages":"Pages 166-167"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-9327(79)90081-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"136547506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Sewage sludge and seaweed (Ulva sp.) as supplementary feed for chicks","authors":"W.H. Wong, K.L. Leung","doi":"10.1016/0013-9327(79)90061-2","DOIUrl":"10.1016/0013-9327(79)90061-2","url":null,"abstract":"<div><p>Sewage sludge and a kind of seaweed, <em>Ulva</em> sp., were used as supplementary feed for chicks. Different diets were prepared by mixing the two supplementary feeding stuffs separately with the control diet (5%, 15%, 25% w/w). These diets were fed continuously for 35 days to chicks from the age of 53 days. No significant differences in growth rate were found between the chicks fed <em>Ulva</em> sp. and the control group. The sludge was inferior for feeding chicks, as shown by their lower growth rates. However, the growth rate on the lower gortion of sludge (5%) was similar to that of the control group.</p><p>The contents of crude protein, crude fat and available carbohydrate and the metabolisable energy of the supplementary feeds used in the present study were similar to those of the control diet. Although no visual gross histopathological symptoms in liver and kidney of chicks were observed, further study should be made of the potential hazard of the various heavy metals present in the sewage sludge.</p></div>","PeriodicalId":100482,"journal":{"name":"Environmental Pollution (1970)","volume":"20 2","pages":"Pages 93-101"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-9327(79)90061-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52961661","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Prevalence of oiled plumage of terns and skimmers on western long island, New York: Baseline data prior to petroleum exploration","authors":"Michael Gochfeld","doi":"10.1016/0013-9327(79)90064-8","DOIUrl":"10.1016/0013-9327(79)90064-8","url":null,"abstract":"<div><p>Observations at Long Island seabird colonies during the period 1969 to 1978 revealed a more or less constant prevalence of oiling of less than 1% for adult common terns and nearly 2% for adult black skimmers. Oiling was usually light (1–2 on a scale of 5) and very few heavily oiled birds were seen either at the colonies or elsewhere on Long Island's beaches. Currently oiling of seabirds on the Atlantic Coast of North America is not a widespread or serious problem compared with its prevalence on parts of the Pacific and Gulf Coasts of North America and in Europe. Data presented here provide a baseline for comparison with future years, since oil exploration began off Long Island during 1978 and large-scale exploitation is planned.</p></div>","PeriodicalId":100482,"journal":{"name":"Environmental Pollution (1970)","volume":"20 2","pages":"Pages 123-130"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-9327(79)90064-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52961687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Dioxin. Toxicological and chemical aspects","authors":"","doi":"10.1016/0013-9327(79)90077-6","DOIUrl":"10.1016/0013-9327(79)90077-6","url":null,"abstract":"","PeriodicalId":100482,"journal":{"name":"Environmental Pollution (1970)","volume":"20 2","pages":"Pages 165-166"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-9327(79)90077-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"112848301","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The effects of toluene on embryos and fry of the Japanese medaka Oryzias latipes with a proposal for rapid determination of maximum acceptable toxicant concentration","authors":"F.W. Stoss , T.A. Haines","doi":"10.1016/0013-9327(79)90066-1","DOIUrl":"10.1016/0013-9327(79)90066-1","url":null,"abstract":"<div><p>Fertilised eggs at various stages of development and newly hatched fry of medaka <em>Oryzias latipes</em> were exposed to a series of concentrations of the water-soluble extract of toluene. Static bioassays were conducted and TL<sub>50</sub> calculations made. In addition, the embryos were examined for the presence of developmental anomalies. The mean 96 h TL<sub>50</sub> for eggs was 54 mg/litre. The early (<3·5<em>h</em>) and late (>192 h) stages were more sensitive than the average. The newly hatched fry were not as sensitive to toluene as were the embryos.</p><p>In addition to acute toxicity effects, concentrations of toluene as low as 41 mg/litre produced teratogenic effects in susceptible embryos. We propose that the observation of these defects in the transparent eggs constitutes a simple and rapid tool for the estimation of Maximum Acceptable Toxicant Concentration (MATC) for fish.</p></div>","PeriodicalId":100482,"journal":{"name":"Environmental Pollution (1970)","volume":"20 2","pages":"Pages 139-148"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-9327(79)90066-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52961706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Nitrogen in revegetated China clay sand waste—Part 1: Decomposition of plant material","authors":"Shirley Lanning, S.T. Williams","doi":"10.1016/0013-9327(79)90067-3","DOIUrl":"10.1016/0013-9327(79)90067-3","url":null,"abstract":"<div><p>The decomposition rates of a grass/clover mixture buried in revegetated china clay sand wastes of varying age and management were compared. Rates of weight loss compared favourably with those obtained by other workers on litter decomposition and were generally negatively related to C:N ratio and positively related to organic matter and total nitrogen concentration.</p><p>The decomposition rates of grass and clover shoots and roots were compared in the field and in laboratory incubation experiments. Clover shoots and roots decomposed at a significantly faster rate in the field than grass shoots and roots. Net nitrogen release was detected only from clover shoots and roots in the laboratory.</p><p>The lack of nitrogen accumulation in the sand waste was attributed to the removal of shoot material from exposed sand tips and the rapid leaching of inorganic nitrogen.</p></div>","PeriodicalId":100482,"journal":{"name":"Environmental Pollution (1970)","volume":"20 2","pages":"Pages 149-161"},"PeriodicalIF":0.0,"publicationDate":"1979-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/0013-9327(79)90067-3","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"52962078","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}