passive dispersal meaning in Hindi

Examples

1. A geographic mosaic of passive dispersal : population structure in the endemic Hawaiian amber snail Succinea caduca ( Mighels 1845 ).
2. The researchers hope that through this passive dispersal process, as well as direct introduction, aripo will spread through Central and East Africa.
3. Passive dispersal may also occur via weed on boats and boat trailers and via water pumped from one waterbody to another for industrial and irrigation purposes.
4. This observation suggests that belostomatids might serve as a mode of transport and a passive dispersal agent for " L . fuscus " and other ancylid species.