Identification of functional bacteria showed predominant ammonifiers were Shewanella, Variovorax, Chryseobacterium, Bacillus or Aeromonas;

• 对各功能菌群中的优势菌的鉴定表明，优势的氨化细菌为希瓦氏菌属，产碱菌属，黄杆菌属，芽孢杆菌属或气单胞菌属；