alpine transhumance

例句：

1. 1. The alpine transhumance is a vital part of the local economy.
   高山放牧是当地经济的重要组成部分。
2. 2. The alpine transhumance has been declining due to climate change.
   由于气候变化，高山放牧正在下降。
3. 3. The alpine transhumance is not only important for the livelihoods of the people but alsofor the preservation of biodiversity.
   高山放牧不仅对当地人民的生活至关重要，也对生物多样性的保护具有重要意义。