NGHIÊN CỨU ĐỘNG VẬT KHÔNG XƯƠNG SỐNG TRONG HANG ĐỘNG TẠI VƯỜN QUỐC GIA PHONG NHA - KẺ BÀNG, TỈNH QUẢNG BÌNH

Survey on the invertebrate in caves of Phong Nha Ke Bang National Park and the extension area was carried in two times, the 1st time in August 2011, the 2nd time in November 2011. The survey were done in 16 caves of the core area (17 cave; 18 cave, Ba Da cave, Lo Do cave, Phong Nha cave, Tuong cave, Cau Chay cave, Sot cave, E cave, dry E cave, Thien Duong cave, 11 cave, Son Doong cave back gate, Tien Son cave, Toi cave, Nui Doi cave) and 5 caves in the extension area (Ruc cave, Cha Ra cave, Da Voi cave, Mu Nganh cave, Mo O cave) The survey result collected 730 individuals including 54 families of 7 classes, 21 orders in caves of Phong Nha- Ke Bang National Park and the extension area. The large and long caves with a complicated structure with many corners are more valuable in term of biological diversity than the small caves with a simple structure. The main differences in faunal assemblage shown by the current survey are the dramatic differences in faunal diversity and abundance between areas used by tourists and the wild sections of the same caves. Most of the invertebrates are found in the wild sections. In addition, all of the species intended to be new taxon are found in the wild sections.