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Manual for developing countries. - 1990. - 113 S. : graph. Darst.

Persistent link: https://www.econbiz.de/10000793244

Relationship between fertility, child martality and nutrition in Africa

Mondot-Bernard, Jacqueline M. - 1977

Persistent link: https://www.econbiz.de/10000592455

Test No. 242: Potamopyrgus antipodarum Reproduction Test

2016

The Potamopyrgus antopodarumon reproduction test is designed to assess potential effects of prolonged exposure to chemicals on reproduction and survival of parthenogenetic lineages of the freshwater mudsnail Potamopyrgus antipodarum. Adult female P. antipodarum are exposed to a concentration...

Persistent link: https://www.econbiz.de/10012450637

Test No. 243: Lymnaea stagnalis Reproduction Test

2016

This Test Guideline is designed to assess effects of prolonged exposure to chemicals on the reproduction and survival of the hermaphrodite freshwater snail Lymnaea stagnalis (the Great Pond Snail). Reproducing adults of L. stagnalis are exposed to a concentration range of the test chemical and...

Persistent link: https://www.econbiz.de/10012450648

Test No. 240: Medaka Extended One Generation Reproduction Test (MEOGRT)

2015

This Test Guideline describes the Medaka Extended One Generation Test (MEOGRT), which exposes fish over multiple generations to give data relevant to ecological hazard and risk assessment of chemicals, including suspected endocrine disrupting chemicals (EDCs). Exposure in the MEOGRT starts with...

Persistent link: https://www.econbiz.de/10012450707

Exploring Norway's Fertility, Work, and Family Policy Trends

OECD - 2023

. Nevertheless, between 2009 and 2022 the Total Fertility Rate (TFR) in Norway dropped from 2 children to 1.4 children per woman … addresses. It illustrates various aspects of fertility trends, as well as changes in the Norwegian labour market as well as in … affecting family formation and fertility trends. The final chapter projects demographic, economic, fiscal and social outcomes …

Persistent link: https://www.econbiz.de/10014323965

Test No. 222: Earthworm Reproduction Test (Eisenia fetida/Eisenia andrei)

2016

This Test Guideline is designed to be used for assessing the effects of chemicals in soil on the reproductive output (and other sub-lethal end points) of the earthworm species Eisenia fetida or Eisenia andrei. Adult worms are exposed to a range of concentrations of the test substance either...

Persistent link: https://www.econbiz.de/10012449809

Test No. 232: Collembolan Reproduction Test in Soil

2016

This Test Guideline is designed for assessing the effects of chemicals on the reproduction of collembolans in soil. The parthenogenetic Folsomia candida is the recommended species for use, but an alternative species such as sexually reproducing Folsomia fimetaria could also be used if they meet...

Persistent link: https://www.econbiz.de/10012449811

Test No. 220: Enchytraeid Reproduction Test

2016

This Test Guideline is designed to be used for assessing the effects of chemicals on the reproductive output of the enchytraeid worm, Enchytraeus albidus Henle 1873, in soil. Adult enchytraeid worms are exposed to a range of concentrations of the test substance mixed into an artificial soil. Ten...

Persistent link: https://www.econbiz.de/10012449829

Test No. 211: Daphnia magna Reproduction Test

2012

The test method described in this Test Guideline assesses the effect of chemicals on the reproductive output of Daphnia magna Straus. To this end, young female Daphnia are exposed to the test substance added to water at a range of concentrations (at least five). For semi-static tests, at least...

Persistent link: https://www.econbiz.de/10012450175