The breeding behavior of free living Red crowned Cranes was observed at Zalong Nature Reserve by instantaneous and scan sampling, focal animal sampling and all occurrence recording methods.

 
  • 采用瞬時(shí)掃描取樣法、焦點(diǎn)動(dòng)物取樣法和所有事件取樣法對扎龍國家級自然保護區內野生狀態(tài)下丹頂鶴繁殖行為進(jìn)行了觀(guān)察。
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