Incubation is an energetically demanding phase of avian reproduction [1] [3] and this is particularly so in High Arctic breeding birds of relatively small size that lay their eggs in open nest cups on the ground, often only a few centimeters above the permafrost [4] [5].
Now that they enter a demanding phase of their schedule, will they be able to duplicate — or exceed — that performance and keep pace in the A.F.C.? BEN SHPIGEL.
Brookes et al. [ 79] found reductions in evoked gamma activity during visual working memory tasks and found this decrease to be larger during more demanding phases of the tasks.
The transition from freshwater to marine environments is one of the most physiologically demanding phases for salmon [57], and overall marine survival appears to depend on rapid early marine growth [58].
To fulfil these demands, phases 4 and 5 of the Great Manmade River Project (GMRP) are still to be implemented.
After passing the physically demanding initial phase of SAS training, remaining recruits enter the next phase, which focuses on combat skills.
In addition, the development of targeted drugs, which may induce limited tumour response, demands phase II trial designs which both minimize resource use and are sensitive and specific to signals of drug activity [ 4].
In March, an apparent representative of the kidnappers, who call themselves the Band of the Righteous, released a statement demanding a phased release of prisoners, starting with an accused militant, Laith al-Khazali.
"Very simply, it's a story about how parents have to put up with all the terrible, demanding, contrary phases that children go through, and that, if you do, they will one day turn into human beings," he says.
It is likely that, because of the increased oxygen demands, this phase is at higher risk for organ dysoxia.
