All Stories

  1. Ecological Recovery and Resilience in Environmental Risk Assessments at the European Food Safety Authority

    Article • Integrated Environmental Assessment and Management, August 2018, Wiley

    wopke van der werf, Dr Theo Brock

  2. Developing ecological scenarios for the prospective aquatic risk assessment of pesticides

    Article • Integrated Environmental Assessment and Management, February 2016, Wiley

    Dr Theo Brock

  3. Is the chronic Tier-1 effect assessment approach for insecticides protective for aquatic ecosystems?

    Article • Integrated Environmental Assessment and Management, January 2016, Wiley

    Dr Theo Brock

  4. Ecological Recovery Potential of Freshwater Organisms: Consequences for Environmental Risk Assessment of Chemicals

    Article • January 2016, Springer Science + Business Media

    Dr Theo Brock

  5. How TK-TD and population models for aquatic macrophytes could support the risk assessment for plant protection products

    Article • Integrated Environmental Assessment and Management, December 2015, Wiley

    Dr Theo Brock

  6. Analysing chemical-induced changes in macroinvertebrate communities in aquatic mesocosm experiments: a comparison of methods

    Article • Ecotoxicology, February 2015, Springer Science + Business Media

    Dr Theo Brock

  7. Impact of imidacloprid on life-cycle development of Coccinella septempunctata in laboratory microcosms

    Article • Ecotoxicology and Environmental Safety, December 2014, Elsevier

    Dr Theo Brock

  8. Acute tier-1 and tier-2 effect assessment approaches in the EFSA Aquatic Guidance Document: are they sufficiently protective for insecticides?

    Article • Pest Management Science, November 2014, Wiley

    Dr Theo Brock

  9. Assessing effects of the fungicide tebuconazole to heterotrophic microbes in aquatic microcosms

    Article • The Science of The Total Environment, August 2014, Elsevier

    Dr Theo Brock

  10. A simulation study on effects of exposure to a combination of pesticides used in an orchard and tuber crop on the recovery time of a vulnerable aquatic invertebrate

    Article • Environmental Toxicology and Chemistry, May 2014, Wiley

    Dr Theo Brock

  11. Sediment Toxicity Testing of Organic Chemicals in the Context of Prospective Risk Assessment: A Review

    Article • Critical Reviews in Environmental Science and Technology, December 2013, Taylor & Francis

    Dr Theo Brock

  12. Toxic effects of hexaflumuron on the development of Coccinella septempunctata

    Article • Environmental Science and Pollution Research, August 2013, Springer Science + Business Media

    Dr Theo Brock

  13. Priorities to improve the ecological risk assessment and management for pesticides in surface water

    Article • Integrated Environmental Assessment and Management, June 2013, Wiley

    Dr Theo Brock

  14. Acute toxicity tests with Daphnia magna, Americamysis bahia, Chironomus riparius and Gammarus pulex and implications of new EU requirements for the aquatic effect assessment of insecticides

    Article • Environmental Science and Pollution Research, May 2012, Springer Science + Business Media

    Dr Theo Brock

  15. Effects of the fungicide metiram in outdoor freshwater microcosms: responses of invertebrates, primary producers and microbes

    Article • Ecotoxicology, May 2012, Springer Science + Business Media

    Dr Theo Brock

  16. Development of a framework based on an ecosystem services approach for deriving specific protection goals for environmental risk assessment of pesticides

    Article • The Science of The Total Environment, January 2012, Elsevier

    Dr Theo Brock

  17. Laudation to Prof. Dr. Hans-Toni Ratte--towards conceptual, theory-based ecological science and its transfer to the applied field of ecotoxicology

    Article • Environmental Sciences Europe, January 2011, Springer Science + Business Media

    Dr Theo Brock

  18. Is it possible to extrapolate results of aquatic microcosm and mesocosm experiments with pesticides between climate zones in Europe?

    Article • Environmental Science and Pollution Research, October 2010, Springer Science + Business Media

    Dr Theo Brock

  19. Macroinvertebrate responses to insecticide application between sprayed and adjacent nonsprayed ditch sections of different sizes

    Article • Environmental Toxicology and Chemistry, April 2010, Wiley

    Dr Theo Brock

  20. Fungicide Risk Assessment for Aquatic Ecosystems: Importance of Interspecific Variation, Toxic Mode of Action, and Exposure Regime

    Article • Environmental Science & Technology, October 2009, American Chemical Society (ACS)

    Dr Theo Brock

  21. Extrapolation practice for ecotoxicological effect characterization of chemicals, by Keith R. Solomon, Theo C.M. Brock, Dick de Zwart, Scott D. Dyer, Leo Posthuma, Sean M. Richards, Hans Sanderson, Paul K. Sibley, and Paul J. van den Brink

    Article • Integrated Environmental Assessment and Management, April 2009, Wiley

    Dr Theo Brock, Dr Leo Posthuma

  22. Effects of a herbicide–insecticide mixture in freshwater microcosms: Risk assessment and ecological effect chain

    Article • Environmental Pollution, January 2009, Elsevier

    Dr Theo Brock

  23. IMPACT OF A BENZOYL UREA INSECTICIDE ON AQUATIC MACROINVERTEBRATES IN DITCH MESOCOSMS WITH AND WITHOUT NON-SPRAYED SECTIONS

    Article • Environmental Toxicology and Chemistry, January 2009, Wiley

    Dr Theo Brock

  24. Interactions between nutrients and organic micro-pollutants in shallow freshwater model ecosystems

    Article • The Science of The Total Environment, December 2008, Elsevier

    Dr Theo Brock

  25. Effects of the pyrethroid insecticide gamma-cyhalothrin on aquatic invertebrates in laboratory and outdoor microcosm tests

    Article • Ecotoxicology, November 2008, Springer Science + Business Media

    Dr Theo Brock

  26. Aquatic Fate and Effects of Lambda -Cyhalothrin in Model Ecosystem Experiments

    Article • August 2008, American Chemical Society (ACS)

    Dr Theo Brock

  27. Potential for the Adoption of Probabilistic Risk Assessments by End-Users and Decision-Makers

    Article • Human and Ecological Risk Assessment An International Journal, January 2008, Taylor & Francis

    Dr Theo Brock, Arnout Fischer

  28. RESPONSES OF ZOOPLANKTON IN LUFENURON-STRESSED EXPERIMENTAL DITCHES IN THE PRESENCE OR ABSENCE OF UNCONTAMINATED REFUGES

    Article • Environmental Toxicology and Chemistry, January 2008, Wiley

    Dr Theo Brock

  29. Responses of Zooplankton in Lufenuron-Stressed Experimental Ditches in the Presence or Absence of Uncontaminated Refuges

    Article • Environmental Toxicology and Chemistry, January 2007, Wiley

    Dr Theo Brock

  30. Comparison of Tropical and Temperate Freshwater Animal Species' Acute Sensitivities to Chemicals: Implications for Deriving Safe Extrapolation Factors

    Article • Integrated Environmental Assessment and Management, January 2007, Wiley

    Dr Theo Brock

  31. Comparison of tropical and temperate freshwater animal species' acute sensitivities to chemicals: Implications for deriving safe extrapolation factors

    Article • Integrated Environmental Assessment and Management, January 2007, Wiley

    Dr Theo Brock

  32. Aquatic risks of pesticides, ecological protection goals, and common aims in european union legislation

    Article • Integrated Environmental Assessment and Management, October 2006, Wiley

    Dr Theo Brock

  33. Predictive Value of Species Sensitivity Distributions for Effects of Herbicides in Freshwater Ecosystems

    Article • Human and Ecological Risk Assessment An International Journal, August 2006, Taylor & Francis

    Dr Theo Brock

  34. Ecological impact in ditch mesocosms of simulated spray drift from a crop protection program for potatoes

    Article • Integrated Environmental Assessment and Management, April 2006, Wiley

    Dr Theo Brock

  35. Aquatic Risks of Pesticides, Ecological Protection Goals, and Common Aims in European Union Legislation

    Article • Integrated Environmental Assessment and Management, January 2006, Wiley

    Dr Theo Brock

  36. Ecological Impact in Ditch Mesocosms of Simulated Spray Drift from a Crop Protection Program for Potatoes

    Article • Integrated Environmental Assessment and Management, January 2006, Wiley

    Dr Theo Brock

  37. Threshold Levels for Effects of Insecticides in Freshwater Ecosystems: A Review

    Article • Ecotoxicology, April 2005, Springer Science + Business Media

    Dr Theo Brock

  38. The use of terrestrial and aquatic microcosms and mesocosms for the ecological risk assessment of veterinary medicinal products

    Article • Environmental Toxicology and Chemistry, April 2005, Wiley

    Dr Theo Brock, Hans Hoogland

  39. Effects of chlorpyrifos in freshwater model ecosystems: the influence of experimental conditions on ecotoxicological thresholds

    Article • Pest Management Science, January 2005, Wiley

    Dr Theo Brock

  40. INSECTICIDE SPECIES SENSITIVITY DISTRIBUTIONS: IMPORTANCE OF TEST SPECIES SELECTION AND RELEVANCE TO AQUATIC ECOSYSTEMS

    Article • Environmental Toxicology and Chemistry, January 2005, Wiley

    Dr Theo Brock

  41. EFFECTS OF LAMBDA-CYHALOTHRIN IN TWO DITCH MICROCOSM SYSTEMS OF DIFFERENT TROPHIC STATUS

    Article • Environmental Toxicology and Chemistry, January 2005, Wiley

    Dr Theo Brock

  42. Comparing aquatic risk assessment methods for the photosynthesis-inhibiting herbicides metribuzin and metamitron

    Article • Environmental Pollution, August 2004, Elsevier

    Dr Theo Brock

  43. A FRESHWATER FOOD WEB MODEL FOR THE COMBINED EFFECTS OF NUTRIENTS AND INSECTICIDE STRESS AND SUBSEQUENT RECOVERY

    Article • Environmental Toxicology and Chemistry, January 2004, Wiley

    Dr Theo Brock

  44. AQUATIC RISK ASSESSMENT OF A REALISTIC EXPOSURE TO PESTICIDES USED IN BULB CROPS: A MICROCOSM STUDY

    Article • Environmental Toxicology and Chemistry, January 2004, Wiley

    Dr Theo Brock

  45. Perpest model, a case-based reasoning approach to predict ecological risks of pesticides

    Article • Environmental Toxicology and Chemistry, November 2002, Wiley

    Dr Theo Brock

  46. PERPEST MODEL, A CASE-BASED REASONING APPROACH TO PREDICT ECOLOGICAL RISKS OF PESTICIDES

    Article • Environmental Toxicology and Chemistry, January 2002, Wiley

    Dr Theo Brock

  47. The Value of the Species Sensitivity Distribution Concept for Predicting Field Effects

    Article • December 2001, Taylor & Francis

    Dr Theo Brock, Dr Leo Posthuma

  48. Impact of the fungicide carbendazim in freshwater microcosms. I. Water quality, breakdown of particulate organic matter and responses of macroinvertebrates

    Article • Aquatic Toxicology, March 2000, Elsevier

    Dr Theo Brock

  49. Impact of the fungicide carbendazim in freshwater microcosms. II. Zooplankton, primary producers and final conclusions

    Article • Aquatic Toxicology, March 2000, Elsevier

    Dr Theo Brock

  50. Sensitivity of Macrophyte-Dominated Freshwater Microcosms to Chronic Levels of the Herbicide Linuron

    Article • Ecotoxicology and Environmental Safety, October 1997, Elsevier

    Dr Theo Brock

  51. Sensitivity of Macrophyte-Dominated Freshwater Microcosms to Chronic Levels of the Herbicide Linuron

    Article • Ecotoxicology and Environmental Safety, October 1997, Elsevier

    Dr Theo Brock

  52. Preface

    Article • October 1996, Springer Science + Business Media

    Dr Theo Brock

  53. Aquatic macroinvertebrate community structure of aNymphoides peltata-dominated and macrophyte-free site in an oxbow lake

    Article • October 1996, Springer Science + Business Media

    Dr Theo Brock

  54. Effects of the insecticide dursban® 4E (active ingredient chlorpyrifos) in outdoor experimental ditches: II. Invertebrate community responses and recovery

    Article • Environmental Toxicology and Chemistry, July 1996, Wiley

    Dr Theo Brock

  55. Effects of the insecticide dursban® 4E (active ingredient chlorpyrifos) in outdoor experimental ditches: I. Comparison of short-term toxicity between the laboratory and the field

    Article • Environmental Toxicology and Chemistry, July 1996, Wiley

    Dr Theo Brock

  56. EFFECTS OF THE INSECTICIDE DURSBAN® 4E (ACTIVE INGREDIENT CHLORPYRIFOS) IN OUTDOOR EXPERIMENTAL DITCHES: I. COMPARISON OF SHORT-TERM TOXICITY BETWEEN THE LABORATORY AND THE FIELD

    Article • Environmental Toxicology and Chemistry, January 1996, Wiley

    Dr Theo Brock

  57. EFFECTS OF THE INSECTICIDE DURSBAN® 4E (ACTIVE INGREDIENT CHLORPYRIFOS) IN OUTDOOR EXPERIMENTAL DITCHES: II. INVERTEBRATE COMMUNITY RESPONSES AND RECOVERY

    Article • Environmental Toxicology and Chemistry, January 1996, Wiley

    Dr Theo Brock

  58. Effects of chronic low concentrations of the pesticides chlorpyrifos and atrazine in indoor freshwater microcosms

    Article • Chemosphere, September 1995, Elsevier

    Dr Theo Brock

  59. Climatic change and hydrophyte-dominated communities in inland wetland ecosystems

    Article • Wetlands Ecology and Management, April 1992, Springer Science + Business Media

    Dr Theo Brock

  60. On the life cycle and germination of Hottonia Palustris L. in a wetland forest

    Article • Aquatic Botany, October 1989, Elsevier

    Dr Theo Brock

  61. Periodicity in growth, productivity, nutrient content and decomposition ofSphagnum recurvum var.mucronatum in a fen woodland

    Article • Oecologia, March 1989, Springer Science + Business Media

    Dr Theo Brock

  62. The effects of the season and of water chemistry on the decomposition of Nymphaea alba L.; Weight loss and pyrolysis mass spectrometry of the particulate matter

    Article • Aquatic Botany, September 1985, Elsevier

    Dr Theo Brock

  63. Effects of preservation on dry- and ash-free dry weight biomass of some common aquatic macro-invertebrates

    Article • Hydrobiologia, August 1985, Springer Science + Business Media

    Dr Theo Brock

  64. Field studies on the breakdown of Nuphar lutea (L.)SM. (Nymphaeaceae), and a comparison of three mathematical models for organic weight loss

    Article • Aquatic Botany, January 1985, Elsevier

    Dr Theo Brock

  65. Aspects of the decomposition of Nymphoides peltata (Gmel.)O.Kuntze (menyanthaceae)

    Article • Aquatic Botany, August 1984, Elsevier

    Dr Theo Brock