| Titre : | AMBIO 39(1) - FEB 2010 |
| Type de document : | Bulletin |
| Paru le : | 00/00/0000 |
Dépouillements
Article
Stephen J. Hall, Auteur ;
Patrick Dugan, Auteur ;
Edward H. Allison, Auteur ;
Neil L. Andrew, Auteur
Article
Elin Almroth, Auteur ;
Morten D. Skogen, Auteur
A method to combine observations and an ensemble of ecological models is suggested to produce a eutrophication assessment. Using threshold values and methodology from the Oslo and Paris Commissions (OSPAR) and the Helsinki Commission (HELCOM), f[...]
Article
Goran Bostedt, Auteur ;
Stefan Lofgren, Auteur ;
Sophia Innala, Auteur ;
Kevin Bishop, Auteur
Acidification of soils and surface waters caused by acid deposition is still a major problem in southern Scandinavia, despite clear signs of recovery. Besides emission control, liming of lakes, streams, and wetlands is currently used to ameliora[...]
Article
Kenneth Mulder, Auteur ;
Nathan Hagens, Auteur ;
Brendan Fisher, Auteur
While various energy-producing technologies have been analyzed to assess the amount of energy returned per unit of energy invested, this type of comprehensive and comparative approach has rarely been applied to other potentially limiting inputs [...]
Article
Mercury Concentrations in Lentic Fish Populations Related to Ecosystem and Watershed Characteristics
Andrew L. Rypel, Auteur
Predicting mercury (Hg) concentrations of fishes at large spatial scales is a fundamental environmental challenge with the potential to improve human health. In this study, mercury concentrations were examined for five species across 161 lakes a[...]
Article
Ben Belton, Auteur ;
Francis Murray, Auteur ;
James Young, Auteur ;
Trevor Telfer, Auteur ;
David C. Little, Auteur
Tilapia, a tropical freshwater fish native to Africa, is an increasingly important global food commodity. The World Wide Fund for Nature (WWF), a major environmental nongovernmental organization, has established stakeholder dialogues to formulat[...]
Article
Josep Penuelas, Auteur ;
Jofre Carnicer, Auteur
Article
Christer Nilsson, Auteur ;
Roland Jansson, Auteur ;
E. Carina H. Keskitalo, Auteur ;
Tatiana Vlassova, Auteur ;
Marja-Liisa Sutinen, Auteur ;
Jon Moen, Auteur ;
F. Stuart Chapin, Auteur
Article
Catherine Marina Pickering, Auteur
Protected areas represent the major method for conserving biodiversity. However, visitor use can threaten their conservation value. Based on a review of recent research, I have categorized factors that affect the severity of environmental impact[...]
Article
Katarina Elofsson, Auteur
The environmental targets of the recently agreed Baltic Sea Action Plan (BSAP) targets are likely associated with a considerable cost, which motivates a search for low-cost policies. The following review shows there is a substantial literature o[...]
Article
Nesar Ahmed, Auteur ;
Max Troell, Auteur
Freshwater prawn (Macrobrachium rosenbergii) farming in Bangladesh has, to a large extent, been dependent on the supply of wild larvae. Although there are 81 freshwater prawn hatcheries in the country, a lack of technical knowledge, inadequate s[...]
