Opent in een nieuw tabblad
Auteur:
Henk Tennekes
Seit 1990 zwei Drittel weniger Wiesen-Schmetterlinge
19-07-2011
Unseren Schmetterlingen geht es immer schlechter. Untersuchungen in 15 europäischen Ländern ergaben bei typischen Bewohnern von Wiesen und Weiden in…
Decreased Functional Diversity and Biological Pest Control in Conventional Compared to Organic Crop Fields
18-07-2011
We assessed 30 triticale fields (15 organic vs. 15 conventional) and recorded vascular plants, pollinators, aphids and their predators. Further,…
Wildbienen sind dem Risiko der Pestizidbelastung besonders ausgesetzt
18-07-2011
Pestizide stellen einen möglichen Grund für die Diversitäts- und Bestäuberabnahme dar. Es ist jedoch wenig über die Wirkung von Pestiziden…
Wild bees are an insect pollinator group at particular risk from insecticide use
18-07-2011
Pesticides are an important potential cause of biodiversity and pollinator decline. Little is known about the impacts of pesticides on…
Negatief verband tussen de biodiversiteit van wilde bestuivers en het insecticidengebruik
18-07-2011
De afgelopen jaren gaat het niet goed met insecten die zorgen voor de bestuiving van planten. Het aantal bijen in…
White-Nose Syndrome in bats: Biologists characterize species loss as unprecedented
17-07-2011
In Jefferson County, the bat population has declined more than 50 percent during the past couple of years. White-nose syndrome,…
Official Maryland Butterfly Flittering Away
17-07-2011
Naturalists like Sue Muller, a Natural Resources Technician for the Howard County Department of Recreation and Parks, have been working…
The monarch butterfly populations are in decline
17-07-2011
The monarch butterfly Danaus plexippus is one of the most beloved of insects — “the Bambi of the insect world,”…
Sir David Attenborough: ‘Summer would not be summer without butterflies’
17-07-2011
As president of the Dorset-based Butterfly Conservation charity, Sir David is a keen lepidopterist. “Butterflies are one of the stars…
Dutch study confirms that insect numbers have plummeted over the last 30 years
16-07-2011
Biologists at Wageningen University in the Netherlands enlisted the help of 250 drivers for a "splash teller" study. Each motorist…
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