Estimates on the share that might close or be repurposed in coming decades range from 15 to 50%.
Estimates of the number of people already displaced by dams in past decades range from 16.4 million to 40 million.
The annual mean smolt release number over the study period within each river was in the tens of thousands, reaching a hundred thousand for the Chilliwack River, and total releases over the study period's time scale of several decades range from many hundreds of thousands to nearly 3 million (Table 1).
These literary visualisations have peppered sci-fi films for decades, ranging from Wim Wenders's sprawling sci-fi road movie Until The End Of The World to the cybernetic hyper-reality of Mamoru Oshii's Ghost In The Shell.
At New York's Museum of Modern Art, "Marina Abramovic: The Artist Is Present" showed works that spanned four decades, ranging from re-creations of early pieces by 39 dancers and artists trained by Marina Abramovic to the new performance piece that gave the exhibition its title.
The government insists the HS2 project will bring between £41.4bn to £46.9bn of economic benefits over a period of six decades, ranging from income from ticket sales to reduced congestion on the roads and the creation of hundreds of jobs.
Numerous immunization approaches against Trypanosoma cruzi infection have been tested for decades, ranging from parasite extracts to genetically engineered parasites, and although some of them showed promising efficacy in animal models, a safe and potent vaccine for human use is not available today.
All participants were female, and the age distribution was almost uniform as a consequence of the sampling procedure, with sample sizes across decades ranging from 20-29 to 80-89 of n = 201, 147, 175, 179, 160, 134 and 81 respectively.
Estimates of the potential market for atrial ablation devices in the next decade range from $1.5 billion to nearly $5 billion, according to Medtech Insight, a market research company in Newport Beach, Calif.
Her stage productions in that decade ranged from Showboat at the Adelphi to Stand and Deliver at the Roundhouse and Oh, Mr Porter at the Mermaid.
Contribute with Guardian Witness Daniel Mekonnen has been the target of online attacks from forces loyal to the Eritrean regime for over a decade, ranging from abusive emails to fully fledged death threats – one serious enough to warrant temporary police protection.
