Insect migration, the windscreen phenomenon and declining populations.
by Lewis, 25 June, 2018, 2 comments
The migration of animals can have a massive impact on ecosystems - think of the migration of the enormous herds of caribou across the Alaskan plain. Each caribou may eat 3 kg of vegetation a day. With them come predators and parasites, and their waste (urine and faeces) contribute to nutrient and energy inputs to the ecosystem(s). An understanding of the migration of large animals & birds and ecosystem processes is well established, but the effects of large scale insect movements or bioflows have not been intensively studied (with the possible exception of locust swarms). Read more...
