Pretorius briefly led Boer resistance to this, but before long most of the Boers in Natal had trekked back north-west to the area around the Orange and Vaal Rivers.
The two studies, published in the journal Nature, "were essentially the first empirical evidence that fish with pelagic larvae come back to natal areas," said Dr. Robert R. Warner, a professor at Santa Barbara who worked on the St. Croix research.
Put your hand behind your back, and Natal's probability logic locates your avatar's arm the same way, based on the motion of your body.
Knowledge of which cues attract birds back to natal areas is important for conservation because the cues could be manipulated to attract breeders to source habitat or discourage breeders from settling in sink habitat.
After he launched an attack on Brooke Shields for revealing that she took psychiatric drugs to cope with post-natal depression, Shields struck back.
Evolution has taught them how to find their way back to their natal pools, but it hasn't yet equipped them to deal with the implications of the internal combustion engine.
(This is why, in "The Story of the Lost Child," Lena has moved back into her natal slum. She feels that she needs to be near Lila in order to do her work).
To determine whether salmon ferry this toxic load back to their natal lakes, biogeochemist Jules Blais of the University of Ottawa in Canada and colleagues measured PCB levels in the sediments of eight remote Alaska lakes with varying numbers of salmon runs.
As salmonids have a life history that requires the use of olfactory cues to navigate back to their natal habitats to spawn, we set out to determine if ora1 or ora2 is duplicated in a representative species, Atlantic salmon (Salmo salar).
How they are able navigate back to their natal river is not fully understood, but a highly developed olfactory system is believed to play a part.
