English
English
2396 resultaten
Decline of Darwin’s finches on Santa Cruz Island (Galápagos) between 1997 and 2010
29 november 2011We used point counts to conduct systematic quantitative surveys of Darwin’s finches and other land birds on Santa Cruz Island…Algemeen
One out of seven European dragonflies are threatened
28 november 2011Dragonflies are colourful, relatively large, and well-known insects. Their larvae live in freshwater habitats such as lakes, bogs, seepages, rivers…Libellen
An ecological disaster that will affect us all
28 november 2011Insects are quietly but rapidly disappearing. Michael McCarthy explains why their loss is bad news for the planet.Bijen
Pipistrelles are thought to have undergone a significant decline in numbers in Britain
27 november 2011Bats are the world's only true flying mammals and one of the most diverse mammal groups on Earth. There are…Vleermuizen
Our gardens become feeding stations for bees, butterflies, bats, hedgehogs, birds and other wildlife provided you don’t use pesticides
27 november 2011We grow flowers in our gardens for our own enjoyment. But colour and perfume are really the plants’ way of…BijenU.S. bat populations have been declining at an alarming rate since 2006
26 november 2011The appropriately named fungus Geomyces destructans is the cause of deadly white-nose syndrome (WNS) in bats, according to research published…Vleermuizen
Many species of both common and uncommon birds in North America are in serious trouble
26 november 2011"Citizen birder" Bob Janssen, 79, has been watching and listing birds for more than six decades. He has compiled more…Algemeen
Distribution, Abundance, and Status of the Greater Sage-Grouse in Canada
25 november 2011We reviewed the historic and present distribution of Greater Sage-Grouse (Centrocercus urophasianus) in Canada and found that the species has…Prairievogels
Ottawa urged to protect sage grouse
25 november 2011A dozen environmental groups are threatening the federal government with legal action unless it overrules two provinces and takes emergency…Prairievogels
Australian birds face extinction crisis
24 november 2011The future of Australian birds is bleak, according to a new report called The Action Plan for Australian Birds 2010,…Algemeen
Bee-Killing Pesticide Imidacloprid Voluntarily Withdrawn for Almonds
23 november 2011Under pressure from the US State of California, pesticide manufacturers have voluntarily withdrawn the pesticide imidacloprid from usage on almonds.…Bijen
California Department of Pesticide Regulation Reevaluates Nitroguanidine Insecticide Class of Neonicotinoids
18 november 2011California regulations require the Department of Pesticide Regulation (DPR) to investigate reports of possible adverse effects to people or the…Planten
Sidamo lark will likely become the first known bird species to vanish from mainland Africa
15 november 2011The Sidamo Lark (Heteromirafra sidamoensis) is endemic to Ethiopia. Always a rare sight, the elusive bird may soon vanish from…Prairievogels
The Florida Scrub-Jay is Declining at a Rate Dangerous to Its Survival
14 november 2011The population of the only bird that lives solely in Florida, the Florida Scrub-Jay (Aphelocoma coerulescens), is declining at a…Bosvogels
Differences in susceptibility of five cladoceran species to two systemic insecticides
4 november 2011Differences in susceptibility of five cladocerans to the neonicotinoid imidacloprid and the phenyl-pyrazole fipronil, which have been dominantly used in…Overige insecten
The “Revolving Door” between Regulatory Agencies and Industry: A Problem That Requires Reconceptualizing Objectivity
31 oktober 2011There is a “revolving door” between federal agencies and the industries regulated by them. Often, at the end of their…
Italian magistrate charges Managing Directors of Bayer and Syngenta with bee-killing over clothianidin
30 oktober 2011Prosecutor Guariniello has charged the managing directors of Bayer CropScience in Milan and Syngenta Crop Protection in Italy with the…Bijen
Nicotine-like effects of neonicotinoids on rat cerebellar neurons
27 oktober 2011Imidacloprid (IMI) and acetamiprid (ACE) belong to the neonicotinoids, a new class pesticide, which are widely used in the world…Ratten
India’s disappearing bird species
24 oktober 2011The list of threatened birds, a testimony to human culpability, exploitation and neglect, is increasing every year. Just to take…Algemeen
Species richness of butterflies greater on organic farms
16 oktober 2011In this study, we examined whether organic farming affected populations of one group of insects of conservation interest, butterflies, on…Vlinders
Biodiversity and biological control
14 oktober 2011Agricultural intensity on the local field or farm scale and on the regional landscape scale affects the organisms utilizing the…Algemeen
Dead or alive? Two groups say the ivory-billed woodpecker is extinct
14 oktober 2011The ivory-billed woodpecker was once found across the swampy forests of the south-eastern states. Now, sightings of the bird are…BosvogelsMillions of Florida bees mysteriously drop dead
14 oktober 2011Honeybee carcasses coated the ground around hundreds of Florida beehives after a mysterious massacre claimed millions of bees and mutilated…Bijen
Drastic historic shifts in bumble-bee community composition
13 oktober 2011The species richness of flower-visiting insects has declined in past decades, raising concerns that the ecosystem service they provide by…Hommels
