【摘要】 为探讨丘陵、低山地针叶树种与珍贵阔叶树种混交造林的生长效应和适宜的混交模式，采用乡土针叶树种与珍贵阔叶树种混交造林进行试验，12年后的试验结果表明：安化、金洞点各模式间树种胸径、树高存在极显著生长差异，新宁点各模式间树种胸径、树高存在显著生长差异。在丘陵地，以模式2（3杉木2马尾松3闽楠2红榉）、模式1（7杉木2红榉1闽楠）混交模式造林，马尾松、闽楠的胸径、树高生长量较大，其树干材积生长效应较好，蓄积量较高，混交林分年均蓄积量可达5.59、4.66 m³·hm^-2;在山地，以模式5（6杉木3闽楠1木荷）混交模式造林，木荷、杉木的胸径、树高生长量较大，蓄积量较高，混交林分年均蓄积量可达8.92 m³·hm^-2;在丘陵地，以模式2（3杉木2马尾松3闽楠2红榉）、模式3（6杉木2红榉2南酸枣）混交模式造林，二种模式生物量分别高出杉木纯林108.53%、69.37%,但混交林分干材生物量的占比没有纯林高；在低山地，以模式5（6杉木3闽楠1木荷）混交模式造林，该模式生物量高出杉木纯林66.65%。以上研究结果为湖南丘陵、低山地营造针叶树种与珍贵阔叶树种混交林提供了技术依据。更多还原

【Abstract】 In order to investigate the growth effect and appropriate pattern of mixed forest of coniferous and precious broad-leaved species in hilly and low mountainous areas, a study on the mixed forest of native coniferous tree species and precious broad-leaved species was carried out, twelve-years results were shown that there were highly significant difference in DBH and tree height among each mode of Anhua and Jindong points, and significant differences in DBH and tree height among each mode of Xinning. In the hilly area, the growth of DBH and tree height of Pinus massoniana and Phoebe bourne was higher in the mixed forest of Cunninghamia lanceolata-Pinus massoniana-Phoebe bourne-Zelkovaserrata mixed 3 ∶2 ∶3 ∶2（model 2）or Cunninghamia lanceolata-Zelkovaserrata-Phoebe bournei mixed 7 ∶2 ∶1（model 1）.The growth effect of stem volume was better, the volume was higher, and the average annual volume up to 5.59 m³·hm^-2 and 4.66 m³·hm^-2.In the low mountainous area, it was shown by the forest of Cunninghamia lanceolata-Phoebe bournei-Schima superba mixed 6:3:1（model 5）that the DBH and tree height of Schima superba and Cunninghamia lanceolata had a higher growth rate.The growth effect of stem volume was better, and the average annual volume was grown up to 8.92 m³·hm^-2.In the hilly area, the biomass of mixed forest of Cunninghamia lanceolata-Pinus massoniana-Phoebe bourne-Zelkova serrata mixed 3:2:3:2（model 2）or Cunninghamia lanceolatar-Zelkova serrata-Choerospondias axillaria mixed 6:2:2（model 3） was 108.53% and 69.37% higher than that of pure Cunninghamia lanceolata, but the proportion of trunk wood biomass of mixed forest was not higher than that of pure forest. In the low mountainous area, the biomass of mixed forest model of Cunninghamia lanceolata-Phoebe bournei-Schima superba mixed 6 ∶3 ∶1（model 5）was 66.65% higher than Cunninghamia lanceolata pure forest. The above results provided technical basis for the establishment of coniferous and precious broad-leaved species in hilly and low mountainous areas of Hunan Province.更多还原