Multiple things cause the migration of people.
Economic issues arise:
People run out of jobs and opportunities
(BIGGEST REASON)
Cultural reasons:
Forced intentional migration had occurred in the past on accounts of slavery and political instability
Safety:
More popular reason now is because of war or fights with other countries, the people want to keep their family safe so they move them or move with them
Hope this helped
Algae is a type of bacteria that can cause an illness for the fish
The main factor would be the amount of vegetative matter the moose could consume. Other factors would be competition with other species over food source as well as genetic diversity in the case of disease, and other tertiary animals that prey on moose besides wolves.
