is defined as the procedure whereby groups of living organisms
enlarge the space
or even range within which they exist.
Dispersal movement function when personage organisms
leave the gap
that they have
engaged before, or in which they were born hence settling in fresh
areas. Dispersal movement often happen in animal but rarely in
/ SINK DYNAMICS
Organisms inhabit two patches of
habitat. A single patch, the source, is
a elevated quality habitat that on standard permits the population to augment
while the second patch, the sink, is extremely low quality habitat that, on its
possess, would not be talented to hold up a population. Though, if the surplus
of individuals shaped in the source regularly moves to the sink, the sink inhabitants
can persevere forever.