... Reef are 'younger' than those in the central or northern parts and have experienced larger population fluctuations. This suggests they undergo ... to do with human activity – whereas the central and northern populations are far more stable." Dr Bay ...
... is cooler is a technique that is also used by some of the long distance fliers. Northern parts of the species' ranges are expected to become of increasing importance and in some cases, species of northern populations are already thought to be exhibiting increases ...
... , the assumptions underlying this theory have not been previously tested. If these northern populations do not increase under warming ... of the species is inhibited by the lack of host plants. Northern populations of the swallowtail did not benefit from any ...
... has cut a huge swath through 10 northern states by carrying a bacterial infection now ... in new areas be infected like northern populations or mainly clean of infection like southern populations?" The disease has a range of symptoms including rash ...
... habitats in North America. But it turns out it may have a vulnerability after all: the northern climate. Canadian scientists have found that adapting to the Great ... , representing a one-month difference in growing season. They found that northern populations have become locally adapted and flower ...
... , individual sparrows were caught in South California and in the northern state of Washington. To stimulate the immune response ... in the untreated control group of this population. As opposed to this, the temperatures of the more northern population increased by at most one degree and only during ...
... adapted to climatic conditions at the edge of the range and northern populations might reduce under climate ... ." The answers may explain the differences between various populations of the same species—northern vs. central—and why ...
... can be confused with a yellow-crowned night-heron but that species has a blunter beak and an orange eye. The northern populations of this species are migratory, whilst the southern ...
... that the montane red foxes had evolved in isolation from the northern populations," Aubry said. Only recently were Aubry and his ... from each other while they were isolated in both the southern and northern parts of the continent during the last Ice ...
... colleagues genetically sampled crab populations from New York to northern Nova Scotia from 1999 ... . "The currents were carrying the crab larvae downstream from the northern populations into areas that the crabs moving under ...
... our understanding of how adaptation occurs and could help in characterizing populations for conservation purposes." Potentially, Miller said, matching ... gene variants that may become important for the future adaptation of more northern populations as the environment changes," he ...
... to the Arctic Ocean and how these levels are expected to change in the future is therefore key to protecting the health of northern populations." Sunderland supervised the study with Daniel ...
