Mass movement of "invisibles".

摘要: Migration We know a lot about vertebrate migrations globally. However, the majority of animals that live on this planet are invertebrates, and we very little their movements. Hu et al. monitored migration large small insects over southern United Kingdom for decade. They found more than trillion move across region annually. The movement such biomass has considerable impacts ecosystems between which migrate. Science , issue p. [1584][1] [1]: /lookup/doi/10.1126/science.aah4379