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environmental sciences (12) 12
animals (6) 6
ecotoxicology (6) 6
environment (6) 6
environment, general (6) 6
toxicology (6) 6
analysis (5) 5
ecology (5) 5
food (5) 5
growth (5) 5
zooplankton (5) 5
daphnia magna (4) 4
index medicus (4) 4
pollution, general (4) 4
reproduction (4) 4
daphnia (3) 3
ecosystems (3) 3
environmental monitoring - methods (3) 3
population-dynamics (3) 3
reproducibility of results (3) 3
sensitivity (3) 3
toxicity (3) 3
water pollutants, chemical - toxicity (3) 3
algae (2) 2
arthropods (2) 2
bioassay (2) 2
biological assay - methods (2) 2
biological indicators (2) 2
biology and medicine, applied studies (2) 2
cadmium (2) 2
clutch size (2) 2
coloring agents - toxicity (2) 2
computer simulation (2) 2
crowding (2) 2
crustacea (2) 2
daphnia reproduction test (2) 2
density dependence (2) 2
development (2) 2
dose levels (2) 2
dose-response relationship, drug (2) 2
dynamics (2) 2
ecological risk-assessment (2) 2
ecosystem (2) 2
ecotoxicology - methods (2) 2
effluents (2) 2
egg size (2) 2
engineering, environmental (2) 2
environmental risk assessment (2) 2
female animals (2) 2
fresh-water (2) 2
genes, reporter (2) 2
guideline development (2) 2
humans (2) 2
insecticide (2) 2
mesocosms (2) 2
microcosms (2) 2
models (2) 2
offspring size (2) 2
pesticides (2) 2
phenotypic plasticity (2) 2
plants (2) 2
pulex (2) 2
rates (2) 2
recovery (2) 2
replicability (2) 2
risk assessment (2) 2
size (2) 2
stress (2) 2
sustainable development (2) 2
temperature (2) 2
universities and colleges (2) 2
water pollutants, chemical - analysis (2) 2
water pollution (2) 2
zero dose control (2) 2
abfallbehandlung (1) 1
accumulation (1) 1
acting chemicals (1) 1
activated sludge (1) 1
activated sludge treatment (1) 1
activated-sludge (1) 1
advanced wastewater treatment (1) 1
age dependence (1) 1
agrarlandschaft (1) 1
agricultural landscape (1) 1
agriculture (1) 1
alternative prey (1) 1
alterra - environmental risk assessment (1) 1
ames fluctuation test (1) 1
aniline compounds - toxicity (1) 1
animal migration behavior (1) 1
aquatic communities (1) 1
aquatic environment (1) 1
aquatic organisms (1) 1
arthropods - drug effects (1) 1
assessment factors (1) 1
atmospheric protection/air quality control/air pollution (1) 1
attack rate (1) 1
backswimmer (1) 1
beetles (1) 1
benthic habitats (1) 1
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Environmental Toxicology and Chemistry, ISSN 0730-7268, 01/1999, Volume 18, Issue 1, pp. 89 - 108
A eview of the literature revealed that bioaccumulation of silver in soil is rather low, even if the soil is amended with silver‐containing sewage sludge.... 
Silver | Bioavailability | Review | Bioaccumulation | Toxicity | toxicity | HEAVY-METALS | WATER RAINBOW-TROUT | bioaccumulation | METAL TOXICITY | MYTILUS-EDULIS | ORGANISMS | ENVIRONMENTAL SCIENCES | TROPHIC TRANSFER | TRACE-ELEMENTS | bioavailability | review | GROWTH | silver | TOXICOLOGY | ACCUMULATION | TROUT ONCORHYNCHUS-MYKISS
Journal Article
Ecological Modelling, ISSN 0304-3800, 2009, Volume 220, Issue 23, pp. 3331 - 3341
A mechanistic model was developed to assess the impact of predation of juvenile Notonecta maculata on size structured Daphnia magna populations and to provide... 
Mechanistic model | Size structured | Predator–prey system | Video tracking | Encounter | Success rate | Handling time | Attack rate | Predator-prey system | LIFE-HISTORY TRAITS | PREDATOR-PREY MODEL | ZOOPLANKTON | BACKSWIMMER | ALTERNATIVE PREY | STRATEGIES | COMMUNITY STRUCTURE | TEMPERATURE | ECOLOGY | POPULATION-DYNAMICS | Uptakes | Tracking | Materials handling | Mathematical models | Selectivity | Handling | Forages
Journal Article
Ecological Modelling, ISSN 0304-3800, 2009, Volume 220, Issue 3, pp. 310 - 329
An individual-based model was developed to predict the population dynamics of Daphnia magna at laboratory conditions from individual life-history traits... 
Size distribution | Individual-based | Population | Density dependence | Structure | Daphnia magna | Crowding | density | food concentration | offspring size | feeding rate | zooplankton | consequences | toxicity tests | growth | pulex | reproduction
Journal Article
Journal Article
Water Research, ISSN 0043-1354, 1994, Volume 28, Issue 3, pp. 743 - 746
An artificial freshwater for the culture of zooplankton was developed. It guarantees the same successful long-term rearing of stock cultures and high fitness... 
synthetic sea salt | standardization | reproduction test | Daphnia magna | culture medium
Journal Article
1992, 1992/Mini: 10., Volume 1992/Mini: 10., 8
The application of ecological models for prognosis of pollutant effects on plankton communities is demonstrated by three examples: 1. an individual based model... 
aquatic communities | risks | pollution effects | plankton | freshwater | toxicants
Book
Journal Article
Environmental Science and Pollution Research, ISSN 0944-1344, 2015, Volume 22, Issue 2, pp. 1160 - 1174
In the European registration procedure for pesticides, microcosm and mesocosm studies are the highest aquatic experimental tier to assess their environmental... 
models | replicability | systems | insecticide | responses | zero dose control | microcosms | recovery | mesocosms | risk-assessment
Journal Article
Umweltwissenschaften und Schadstoff-Forschung, ISSN 0934-3504, 02/2010, Volume 22, Issue 1, p. 20
Die hier vorgestellte Studie untersuchte die Auswirkung nutzungsbedingter Einflusse wie Mahd, Nahrstoffeintrag und Pflanzenschutzmittel auf die... 
Beetles | Analysis | Indicators (Biology) | Sustainable development | Biological diversity
Journal Article
Environmental Toxicology and Chemistry, ISSN 0730-7268, 1998, Volume 17, Issue 8, pp. 1439 - 1440
Journal Article
Annales de Limnologie, ISSN 0003-4088, 2014, Volume 50, Issue 1, pp. 9 - 18
In this study, we investigated variation in offspring size (OS) of Daphnia magna in relation to multiple maternal traits and environmental variables. Data... 
Maternal environment | Modelling | Offspring size | Daphnia magna | Maternal traits | EGG SIZE | QUALITY | PHENOTYPIC PLASTICITY | STRAUS | offspring size | maternal environment | REPRODUCTIVE STRATEGY | LIFE-HISTORY SHIFTS | modelling | DIFFERENT FOOD LEVELS | maternal traits | CLUTCH SIZE | LIMNOLOGY | POPULATION-DYNAMICS | MIDSUMMER DECLINE
Journal Article
Umweltwissenschaften und Schadstoff-Forschung, ISSN 0934-3504, 02/2010, Volume 22, Issue 1, pp. 20 - 35
Background and aim: Grassy field margins have a high relevance in agricultural landscapes regarding the preservation of typical arthropod communities, their... 
Agricultural landscape | Pardosa palustris | Regionalized effect assessment | Vegetation | Utilisation related impacts | Variance decomposition | Soil arthropods | Poecilus cupreus | Monitoring | Statistical modelling | Arthropods | Grasslands | Agriculture | Ecology | Pesticides
Journal Article
Water Science and Technology, ISSN 0273-1223, 2004, Volume 50, Issue 5, pp. 181 - 188
Journal Article
Umweltwissenschaften und Schadstoff-Forschung, ISSN 0934-3504, 02/2009, Volume 21, Issue 1, p. 48
Hintergrund und Ziel Die marine Umwelt ist oftmals die finale Senke fur Schadstoffe, insbesondere fur persistente, bioakkumulative und toxische Schadstoffe... 
Soldiers | Marine sediments | Analysis | Environmental law | Estuaries | Persistent organic pollutants | Sustainable development | Sea-water | Central nervous system agents
Journal Article
Umweltwissenschaften und Schadstoff-Forschung, ISSN 0934-3504, 08/2010, Volume 22, Issue 4, pp. 507 - 508
Gaiac was founded in 2003 as a research institute afliated to the RWTH Aachen University with a research focus on the effects of anthropogenic inuences on... 
Small and medium sized companies | Ecosystems | Universities and colleges | Small & medium sized enterprises-SME | Research centers
Journal Article
Environmental Toxicology and Chemistry, ISSN 0730-7268, 10/1994, Volume 13, Issue 10, pp. 1619 - 1627
Chronic toxicity tests were conducted with Daphnia magna using cadmium concentrations of 0, 0 5, 1, 2, and 5 μg/L Cd with algae doses of 0 8, 4, 8, and 16 106... 
Development | Reproduction | Chronic toxicity tests | Growth | Intrinsic rate of natural increase | CHLORELLA LEVELS | CLADOCERA | HYALINA LEYDIG | ENVIRONMENTAL SCIENCES | DEVELOPMENT | GROWTH | INTRINSIC RATE OF NATURAL INCREASE | CHEMISTRY | TOXICOLOGY | STRESS | CHRONIC TOXICITY TESTS | POPULATION-DYNAMICS | REPRODUCTION | CRUSTACEA | WATER
Journal Article
Oecologia, ISSN 0029-8549, 1/1994, Volume 98, Issue 3/4, pp. 354 - 361
Individuals of Daphnia magna Straus living together in groups were found to influence each other in a density-dependent manner. The effect appeared as an... 
Crossover interference | Animals | Algae | Fresh water | Body length | Clutch size | Bleeding time | Metabolism | Female animals | Food | Density dependence | Flow-through cascade system | Crowding | Daphnia magna | Negative interference | ECOLOGY | DENSITY DEPENDENCE | CROWDING | FLOW-THROUGH CASCADE SYSTEM | DAPHNIA MAGNA | NEGATIVE INTERFERENCE
Journal Article
Environmental Toxicology and Chemistry, ISSN 0730-7268, 10/1996, Volume 15, Issue 10, pp. 1831 - 1843
A general simulation approach was developed for validating biotest end points in the Daphnia reproduction test. Various toxic‐effect scenarios, sample sizes,... 
Guideline development | Statistical behavior of end points | Daphnia reproduction test | Computer simulation | Intrinsic rate | intrinsic rate | SIZE | POPULATION-GROWTH | CHRONIC TOXICITY | RATES | ENVIRONMENTAL SCIENCES | guideline development | CADMIUM | INCREASE | LIFE-HISTORY | computer simulation | TOXICOLOGY | statistical behavior of end points | MAGNA | FOOD
Journal Article