Sentence examples for rat populations are from inspiring English sources
Eventually, he hopes to be able to tell how all of New Zealand's rat populations are related.
"It seems to be the urban rat populations are becoming worse than they were," according to Jason Munshi-South, a biologist at Fordham University and the co-author of a new study on city rat populations, published Tuesday in the Proceedings of the Royal Society B. Climate change pushes the thermometer in the rat's favor, he said.
Whether Tehran's rats are mutated or not, some scientists have reported that certain rat populations are becoming resistant to poison.
Their long gestation and small litter sizes suggest that other reservoir animals may be required to maintain enzootic VEEV transmission when spiny rat populations are low (10).
To identify protective mechanisms in the Florida population, additional studies focusing more on the innate immune responses of enzootic and nonenzootic cotton rat populations are needed.
Other considerations to be borne in mind when comparing the human and rat populations is that rat populations are strictly territorial and therefore remain permanently in their habitat and that the periods of development (e.g., prenatally, adulthood) at which they are exposed may differ.
Although rat populations were estimated to be reduced by more than 50% by removal trapping, their populations appeared unaffected by these perturbations during the second year's followup.
By Mr. Auerbach's calculations, the rat population is a mere two million, give or take 150,000.
"I want the city to come check everything out because the rat population is a dangerous thing," Ms. Flores said.
Surveys were taken and 179 blocks were slated for action, neighborhoods with the most dense rat population were first on the list.
MANHATTAN: NEW RAT PANEL URGED -- A City Council committee looking into the increase in the rat population is to recommend today that City Hall establish a permanent rat-control authority, supervised by the Department of Health.
