Beleid en debat

Italian agronomists show that sustainable maize production is possible without neonicotinoids

In the early 2000s, Italian beekeepers began to report bee mortality events linked to maize sowing. Evidence pointed to three neonicotinoids (imidacloprid, clothianidin, thiamethoxam) and a phenylpyrazole (fipronil) used for seed dressing that were dispersed in the environment during sowing. Following these events and based on the precautionary principle, in September 2008, the Italian Ministry of Health suspended these four active ingredients as maize seed dressing.

De huidige MTR voor clothianidine in het oppervlaktewater is veel te hoog

Het neonicotinoïde insecticide clothianidine is in Nederland toegelaten als middel voor behandeling van zaden van suikerbieten en voederbieten ter voorkomen van schade door insecten. De stof is zeer persistent in de bodem met een halfwaardetijd van 545 dagen, en spoelt bovendien gemakkelijk uit naar het grondwater of komt door afspoeling in het oppervlaktewater terecht.

Surface waters in the Salinas and Santa Maria regions of California are contaminated with imidacloprid

Surface water monitoring for pesticides in agricultural areas of California is one of the California Department of Pesticide Regulation’s (CDPR’s) key environmental monitoring activities. The Salinas, Santa Maria and Imperial valleys have previously been designated as high priority areas for long-term surface water monitoring due to high pesticide use. This 2013 study is a continuation of the agricultural monitoring project.

Imidacloprid the most frequently detected insecticide in surface waters in eastern Massachusetts during 2009 and 2010

Pesticide occurrence was determined in two suburban surface waters in eastern Massachusetts, USA during 2009 and 2010. Out of 118 collected samples, 45 samples showed detections of one or more target pesticides. Among the herbicides, 2,4-D was the most frequently detected and imidacloprid was the most frequently detected insecticide. Regulatory phaseout of chlorpyrifos and diazinon from residential use by 2004 was reflected in the results by the absence of chlorpyrifos detections and lower detection frequencies of diazinon.

Our Daily Poison - By Dr Rosemary Mason

In 2010, my life changed when Dr Henk Tennekes and I traded books. His was: The systemic insecticides: a disaster in the making and ours was: The Year of the Bumblebee: Observations in a small Nature Reserve. Dr Henk Tennekes, an independent toxicologist based in the Netherlands, was the first researcher to recognise the extreme toxicity of low levels of systemic neonicotinoid insecticides that have become widespread in the environment.

Three rivers in the Cameron Highlands declared 'dead'

Regional Environment Awareness Cameron Highlands (REACH) president Ramakrishnan Ramasamy said most rivers in the highland, known for its tourism and agriculture, are heavily polluted. He said data from the Department of Environment (DoE) and the Drainage and Irrigation Department (DID) showed that only about 10 per cent of 123 rivers were in Class I and Class II, while the remainder were in Class III and Class IV. He also said three rivers had been declared biologically dead, and came under Class V of the classification.

Pesticide Impact on Bay Delta Fish Could Be Greater Than Realized

New monitoring in the Bay Delta shows that the water is a soup of urban and agricultural insecticides, herbicides and fungicides. When combined, pesticides at sublethal levels can have deadly synergistic effects on fish. “The Sacramento River and San Joaquin River have been monitored for years, but historically there has been little monitoring in the Delta itself,” says Michelle Hladik, an environmental chemist who leads the USGS Pesticide Fate Research Group.

Naturschutz im Kanton Zürich: Die Artenvielfalt bleibt in Gefahr

Der Schutz der Tiere, Pflanzen und ihrer Lebensräume im Kanton Zürich reicht trotz einigen Erfolgen nicht aus. Die Fachstelle Naturschutz kann zwar laufende Massnahmen weiterführen. Für mehr fehlen ihr jedoch meist die Mittel. Der durchaus naturverbundene Baudirektor Markus Kägi hob an der Präsentation hervor, der Mensch sei nicht nur Geniesser und Nutzer, sondern habe eine Verpflichtung gegenüber der Natur.

Aantal Nederlandse biologische boeren groeit met ruim twaalf procent

In 2016 groeide voor het eerst sinds 2010 het aantal geregistreerde biologische boerenbedrijven harder dan het aantal biologische handels- en verwerkingsbedrijven. Er zijn nu 1831 boerenbedrijven geregistreerd bij Skal Biocontrole. Door de krapte in het aanbod van biologische grondstoffen groeide het aantal handelsbedrijven langzamer, met tien procent naar 2.586. Steeds meer provincies kiezen ervoor om biologische landbouw te stimuleren.

Occurrence of Neonicotinoid Insecticides in Drinking Water

Neonicotinoid insecticides are widespread in surface waters across the agriculturally intensive Midwestern United States. We report for the first time the presence of three neonicotinoids in finished drinking water and demonstrate their general persistence during conventional water treatment. Periodic tap water grab samples were collected at the University of Iowa over 7 weeks in 2016 (May−July) after maize/soy planting. Clothianidin, imidacloprid, and thiamethoxam were ubiquitously detected in finished water samples at concentrations ranging from 0.24 to 57.3 ng/L.