Henk Tennekes
Imidacloprid highly toxic to non-target terrestrial arthropod Porcellio scaber
17 januari 2010A recent study indicates high toxicity of imidacloprid to the non-target terrestrial arthropod P. scaber when compared to birds and…Overige insectenFipronil may disrupt copepod production in estuarine systems
17 januari 2010The new GABA-disrupting insecticide fipronil may pose a high risk to copepod production in estuarine systems. Copepods are the most…
The use of imidacloprid as a systemic insecticide to trees is associated with adverse effects on non-target insects and earthworms
16 januari 2010Imidacloprid can be applied as a systemic insecticide to trees by direct stem injections or by soil injections and drenches,…BosvogelsA quarter of UK landmass was treated annually with insecticides between 1990 and 2003
16 januari 2010A quarter of the total UK landmass (6,000,000 ha) received annual treatment with insecticides between 1990 and 2003. The overall…
Dramatic decline of bats in Northern Ireland
16 januari 2010There are eight species of bat in Northern Ireland all of which are insectivorous. Bat populations have declined dramatically in…Vleermuizen
Severe decline of the lesser horseshoe bat in Switzerland
16 januari 2010Once the lesser horseshoe bat was known to be widespread and common in Switzerland. In the past 50 years their…Vleermuizen
Long-term stream invertebrate community alterations induced by thiacloprid
16 januari 2010The effect of a single pulse contamination with the neonicotinoid insecticide thiacloprid on invertebrates was investigated in mesocosms designed to…Overige insecten
Severe decline of butterflies on German calcareous grasslands during the last 30 years
15 januari 2010A study of the species composition of seven calcareous grassland remnants in south-western Germany in 1972 and 2001 revealed a…Vlinders
Significant decline of Reed Buntings in England since the 1990s
15 januari 2010A study identified two factors that may limit breeding productivity of the Reed Bunting Emberiza schoeniclus, which is in significant…Akkervogels
UK Tree Sparrow population crashed by 95% between 1974 and 1999
15 januari 2010There has been a massive 95% decline in the UK Tree Sparrow Passer montanus population between 1974 and 1999. The…Akkervogels
Starling in decline throughout Europe over the last two decades
15 januari 2010Starling Sturnus vulgaris populations have declined throughout Europe over the last two decades. The Starling is commonest in urban and…Stadsvogels
Large population decline of the song thrush in Britain
15 januari 2010There has been a large population decline of the song thrush Turdus philomelos in Britain during the last three decades,…Akkervogels
Voor veel bedreigde vogelsoorten is de mestfauna een belangrijke voedingsbron
13 januari 2010Ongewervelden die zich in de mest bevinden, zoals larven van vliegen en mestkevers, zijn een voedingsbron voor insectenetende vogels maar…AlgemeenSignificant effects of grazing intensity on the abundance of grassland birds
13 januari 2010We compared bird communities of paired extensively and intensively grazed cattle pastures in three different regions of the Hungarian Great…WeidevogelsBlack-tailed Godwit population in steep decline in Western Europe while rapidly increasing in Iceland
13 januari 2010In recent decades, the West European population of Black-tailed Godwits Limosa limosa (located mainly in the Netherlands) has declined at…WeidevogelsBats Boom on Organic Farms, Study Says
11 januari 2010John Pickrell in England for National Geographic News February 2, 2004 Bat activity may be up to 60 percent greater…Vleermuizen
Bat populations declining at alarming rates worldwide
11 januari 2010In the last few decades bat populations have been declining at alarming rates worldwide. Bats remain the most endangered land…Vleermuizen
Behind Mass Die-Offs, Pesticides Lurk as Culprit
11 januari 2010BY SONIA SHAH For decades, toxicologists have accrued a range of evidence showing that low-level pesticide exposure impairs immune function…Bijen
L’effondrement des populations d’insectes à l’origine du déclin des moineaux domestiques. Traduction Christian Pacteau.
11 januari 2010Insect crash at root of house sparrow decline, Birder's Magazine, 20 November 2008 La population du Royaume Uni du moineau…Overige insecten
Reproductive success of house sparrows along an urban gradient
11 januari 2010Recent large declines in house sparrow Passer domesticus populations in many European towns and cities have generated much speculation as…Stadsvogels
Increased use of insecticides and declining bird species in Essex
9 januari 2010The Reed Bunting (Emberiza schoeniclus), the Skylark (Alauda arvensis), the Song Trush (Turdus philomelos), the Tree Sparrow (Passer montanus) and…Akkervogels
Swifts are declining rapidly across the UK
9 januari 2010Swift Apus apus numbers have declined by 47% in the UK in the last ten years. And for the first…Stadsvogels
Aerial invertebrate abundance and foraging barn swallows over pasture fields
9 januari 2010Aerial invertebrate abundance over pasture fields in lowland mixed farmland in southern Britain was more than double that over silage,…Overige insecten
Gierzwaluw bedreigd
7 januari 2010Net zoals andere stadsvogels (huismus Passer domesticus en spreeuw Sturnus vulgaris) kent ook de gierzwaluw Apus apus, die zich uitsluitend…Stadsvogels
