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Where Have All the Flowers Gone?
Henk Tennekes
24-06-2011
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It’s summer wildflower season in the Rocky Mountains, a time when high-peaks meadows are dotted with riotous color. But for
Categorie: Planten
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Decline in Some Bumble Bee Species Spells Doom For Red Clover
Henk Tennekes
24-06-2011
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Sweden is witnessing a steep fall in red clover Trifolium pratense yield in the wake of an alarming decline in
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Brand Kalmthoutse Heide grootste ecologische ramp ooit in Vlaanderen
Henk Tennekes
29-05-2011
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De brand op de Kalmthoutse Heide is de grootste ecologische ramp ooit in Vlaanderen. Dat meldt het Agentschap voor Natuur
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Intensive farming threatens wildflowers
Henk Tennekes
30-04-2011
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A guide to more than 100 of Britain’s arable plants says flowers that were once common are now rare sights
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Eco-Farming can double food production in 10 years, says new UN report
Henk Tennekes
13-04-2011
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Small-scale farmers can double food production within 10 years in critical regions by using ecological methods, a new UN report
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UNEP report – Loss of plant pollinators could undermine efforts to feed the world’s growing population
Henk Tennekes
10-03-2011
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A mixture of chemicals found in modern pesticides may be killing bee colonies around the world, according to a United
![insect-jersey[1]](https://boerenlandvogelswp.studiopuik.com/wp-content/uploads/2016/03/insect-jersey1-300x156.jpg)
Parallel Declines in Pollinators and Insect-Pollinated Plants in Britain and the Netherlands
Henk Tennekes
14-06-2010
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Despite widespread concern about declines in pollination services, little is known about the patterns of change in most pollinator assemblages.
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The use of imidacloprid as a systemic insecticide to trees is associated with adverse effects on non-target insects and earthworms
Henk Tennekes
16-01-2010
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Imidacloprid can be applied as a systemic insecticide to trees by direct stem injections or by soil injections and drenches,
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The Plight of Farmland Birds
Henk Tennekes
03-12-2009
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Britain’s farmland birds have suffered alarming declines over the last twenty-five years. It would appear that their decrease in numbers
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Comparative Losses of British Butterflies, Birds, and Plants and the Global Extinction Crisis
Henk Tennekes
25-11-2009
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There is growing concern about increased population, regional, and global extinctions of species. A key question is whether extinction rates