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2396 resultaten
New Hampshire bat population falls 70 percent in survey
20 augustus 2011A disease spreading rapidly through the state’s bat population has led to a 70 percent decline in the number of…Vleermuizen
Summer visitors to the UK top list of fastest-falling bird populations
19 augustus 2011Recent figures, from the annual Breeding Birds Survey carried out by the British Trust for Ornithology, show that between 1995…Bosvogels
Chronic toxicity is the most important variable in predicting negative bird population trends associated with pesticides
18 augustus 2011This study attempted to: (1) establish an extensive database on what bird species are using agriculture, where they are found…Akkervogels
The proverbial clock may well be ticking down on many common species of aerial insectivores in Canada
17 augustus 2011The guild of ‘aerial insectivores’ – birds that specialize on feeding on flying insects – includes Whip-poor-wills Caprimulgus vociferus, nighthawks,…Zwaluwen
Most of the avian insectivores are declining in northeastern North America
17 augustus 2011For decades now, Ontario’s skies have been losing not only whip-poor-wills Caprimulgus vociferus but many of their fellow aerial insectivores…Zwaluwen
The Whip-poor-will has joined the ranks of bird species facing declines in Canada
16 augustus 2011For the first time ever in Canada, the Whip-poor-will Caprimulgus vociferus has joined the ranks of bird species facing declines…Zwaluwen
Hedgehogs could disappear from Britain within 15 years, a new study has found
14 augustus 2011It is estimated that there are now around one million hedgehogs in Britain, representing a decline of 25 per cent…Egels
Survey Reveals Steep, Three-Year Decline of Tricolored Blackbirds Despite Conservation Efforts in California
14 augustus 2011A comprehensive survey of Tricolored Blackbirds Agelaius tricolor in California has confirmed that the population of the species has declined…Kustvogels
Sharp decline in farmland and woodland birds in Estonia in 2007-2010
13 augustus 2011Among the Estonian multispecies indices, the woodland bird index shows a steady increase until 2000, followed by a moderate negative…Akkervogels
Scotland may become cuckoo’s last refuge in UK
12 augustus 2011While the cuckoo Cuculus canorus is in serious decline south of the Border, new research shows that in Scotland the…Akkervogels
Rapid decline could make curlew extinct in Ireland in decade
12 augustus 2011The curlew Numenius arquata has almost vanished from Ireland in a mere 20 years, in one of the most dramatic…MoerasvogelsBeekeepers Marisa Valente and Renato Bologna on Hunger Strike in Turin
7 augustus 2011The Italian couple Marisa Valente and Renato Bologna have declared a 'Hunger Strike' to the death since July 4th in…Bijen
The abundance and species richness of wintering farmland birds is negatively affected by agricultural intensity
6 augustus 2011This study examined the effects of agricultural intensity, various farming practices, landscape composition and vegetation cover on the abundance and…Akkervogels
Henk Tennekes’ Presentation to Dutch Pesticide Board Committee on the Risk Profile of Neonicotinoids for Arthropods
5 augustus 2011The Dutch toxicologist Henk Tennekes was invited to give a presentation on the risk profile of neonicotinoid insecticides for arthropods…Bijen
Entomologist Joop C. van Lenteren (Wageningen University): ‘Most farmers have become pesticide addicted during the past 60 years’
5 augustus 2011During the past 120 years, a large number of natural enemies has been collected and evaluated for use in augmentative…Overige insecten
Ireland’s farmland birds on the Red List of the Birds of Conservation Concern
4 augustus 2011Of the 19 species listed on the Red List of the Birds of Conservation Concern in Ireland (BoCCI) due to…Akkervogels
Low hybrid onion seed yields relate to honey bee visits and insecticide use
4 augustus 2011Onion thrips, previously considered of minor importance to hybrid onion seed production in California, vector the newly introduced iris yellow…Bijen
Researchers have documented how the loss of pollinating birds affects a plant that depends on them
4 augustus 2011Anderson et al. studied three species of birds known to pollinate the shrub Rhabdothamnus solandri. They compared shrub populations at…Algemeen
Drastic decline of meadow-breeding waders in the Dellstedt bog area in the west of Schleswig-Holstein
4 augustus 2011The breeding population of meadow-breeding waders in the Dellstedt bog area in the west of Schleswig-Holstein was investigated from 1969…Weidevogels
Dramatic Decline Of Ireland’s Breeding Population Of Curlews
3 augustus 2011A new survey by researchers at University College Cork, in association with Birdwatch Ireland, has found that there are less…Kustvogels
Staggering decline of farmland birds in Wales and the Westcountry since the mid-1990s
3 augustus 2011THE bird population of what is regarded as one of Wales’ wildlife havens has decreased dramatically, according to alarming new…Akkervogels
Pheasants on Their Way Out in Iowa?
3 augustus 2011The last 10 years the Iowa Pheasant (Phasianus colchicus) population continues to decline and it seems were on track to…Akkervogels
The relationship between yellowhammer breeding performance, arthropod abundance and insecticide applications on arable farmland
29 juli 2011We studied nesting yellowhammers Emberiza citrinella on a lowland arable farm in North Yorkshire between 2001 and 2003, to examine…Akkervogels
Imidacloprid has a negative impact on soil bacterial diversity and upsets soil microbial balance
28 juli 2011The current study was conducted to evaluate the effects of imidacloprid on soil microbial diversity. The results clearly showed that…
