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and Libya), this report maps conflict networks and the evolution of rivalries and alliances in 21 North and West African … relationships across actors in conflict. Finally, the report analyses the impact of military interventions on the re‑composition of …
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Despite years of growth in the number of women in paid work, gender roles in unpaid housework have remained remarkably rigid. Unpaid housework can be outsourced to non-care household service providers, such as cleaners or housekeepers, however, high prices, a substantial tax burden and a lack of...
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This Test Guideline is designed to assess the effects of prolonged exposure to chemicals on the growth of juvenile fish. Juvenile fish in exponential growth phase are placed, after being weighed, in test chambers and are normally exposed to five sublethal concentrations of the test substance...
Persistent link: https://www.econbiz.de/10012441680
This Test Guideline describes a method to estimate the developmental toxicity of a test chemical to the dung dwelling life stages of dung-dependent dipteran species. Two test species can be used. The test chemical is mixed with bovine faeces, to which either 10 eggs of Scathophaga stercoraria or...
Persistent link: https://www.econbiz.de/10012441715
This Test Guideline is designed to assess effects on vegetative vigour of terrestrial plants following above-ground exposure by general chemicals, biocides and crop protection products. The test can be conducted in order to determine the dose-response curve, or at a single concentration/rate as...
Persistent link: https://www.econbiz.de/10012441938
This Test Guideline describes a laboratory test method to assess abiotic hydrolytic transformations of chemicals in aquatic systems at pH values normally found in the environment (pH 4 – 9). This Guideline is designed as a tiered approach; each tier is triggered by the results of the previous...
Persistent link: https://www.econbiz.de/10012441941
This Test Guideline describes a method to assess bioaccumulation of sediment-associated chemicals in endobenthic oligochaetes worms. It applies to stable, neutral organic chemicals having log Kow values between 3.0 and 6.0, superlipophilic substances that show a log Kow of more than 6.0, or...
Persistent link: https://www.econbiz.de/10012442038
studies performed with the substance (normally the rat, a minimum of 4 animals of one sex for each dose). Initial estimation …
Persistent link: https://www.econbiz.de/10012442261