Sentence examples for prevent dispersal from inspiring English sources

The last line of defense is to make sure that a transportation system can be quickly shut down to prevent dispersal once a release has been identified.

A crucial measure in such control is isolation of patients with contagious respiratory diseases in specially engineered rooms, to prevent dispersal of the SARS virus or any other infectious agent elsewhere.

Current geographic distribution of grass subfamilies, tribes (groups of genera within subfamilies), and even some modern genera on all or most continents suggests that these groups evolved well before the Paleogene Period, roughly 65.5 to 23 million years ago, when continents had become sufficiently separated to prevent dispersal between them.

Low elevation regions may also be sufficiently expansive as to prevent dispersal of winged adults to opposite slopes of large drainages [ 4, 20].

While poor connectivity between populations can explain why dispersal might be rare, it cannot be seen to prevent dispersal completely in N. ocellatus given that it currently occupies a wide range of locations not presently connected by rocky habitats.

Biota in managed forest landscapes may be at risk from habitat fragmentation that prevents dispersal among subpopulations.

But collecting these fungi before they mature prevents dispersal of their spores, and the availability of yarsagumba is declining yearly.

Isolation by distance apparently prevents dispersal between water localities.

This diminution also prevented the switch from OspA expression to OspC expression and prevented dispersal of spirochetes to the salivary glands and transmission to the host (21 ).

The predominant causes of genetic breaks in A. lugubris likely were geologic or water barriers that prevented dispersal among populations, which led to allopatric divergence.

Thus, attachment to the cob prevents dispersal and is thought to prohibit maize from surviving without human intervention (Martinez-Soriano et al. 2002).