贵定县岩下乡大鲵自然保护区气候生态资源研究

On Climatic Ecological Resources of Nature Reserve for Giant Salamanders in Yanxia Area of Guiding County

对贵定县岩下乡大鲵自然保护区气候生态资源进行了科学考察，发现该区年日照数为1027．5～1158．6h，年日照百分率为23％26％，年大阳总辐射为3435．0—3667．8MJ／m^2；年均温为14．5℃左右，日均温≥10℃持续日数约为229．0d，≥10℃积温约为4433．3℃·d；年降雨量为1142．9～1474．3mm。该区属北亚热带高原湿润季风气候，石山林立，溶洞遍布，洞内水质清澈，是野生大鲵的天然小生境，具有水资源涵养保护价值、大鲵自然保护价值和自然景观游览价值。

Climat/c ecological resources of nature reserve for giant salamanders in Yanxia Area of Guiding County were observed. Annual sun- shine duration was 1 027.5 -1 158.6 h, annual percentage of sunshine was 23% -26% , annual amount of solar radiation was 3 435.0 - 3 667.8 MJ/m^2. Annual mean temperature was about 14.5 ℃, 〉/10 ℃ continued days was about 229.0 d, /〉 10 ℃ accumulated temperature was about 4 433.3 ℃ · d. Annual precipitation was 1 142.9 - 1 474.3 mm. The climate in the area was the north subtropical zone plateau moist monsoon climate. Rocky mountains in the area stood in great numbers. The karst cave was found everywhere. The water quality in the hole was limpid. The area is the nature microhabitat for the wild giant salamanders. The area has values of water resource conservation, nature reserve for the giant salamanders and tourism of natural landscape.