There would be a mass migration area in the warm airflow shear area in the southeast of typhoon during the collapse of the typhoon.

在台风衰亡时期，台风东南部气流暖式切变区是大量降虫的区域；

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Now as far as the Sahara goes, there is some recent literature that points to the migration of the monsoon in that area.

随着撒哈拉沙漠的移动，近期一些文献指出了该地区的季风迁移。

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If they spend all their time in that small area, they won’t get to good foraging habitat, and it will compromise them for later parts of their migration, ” Rowden said.

如果在这里耽误了大量的时间，它们将会错过良好的觅食栖息地，随后它们的迁徙必将受到连累，”劳登说。

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Similarly, the elimination of Sandstone Dam on the Kettle River in Minnesota opened 30 miles for fish migration and revived recreation in the area.

CNN: Study opens floodgates on dam removal

But some ranchers claim that there were indeed wolf sightings just before the reintroduction program was started, due to a small migration of wolves from Canada into the reintroduction area.

CNN: Appeal of wolf removal rescheduled

Writing in the journal Nature, the 27 scientists said the road would curtail wildebeest migration, with knock-on effects on the area's ecosystem.

BBC: Scientists urge rethink of Serengeti road plans