CAJ | 학술논문

为了解青藏高原森林的热值特征，对青海省主要造林树种的热值和灰分含量进行了分析。结果显示：①青海省云杉属和圆柏属5个乔木树种全株的干质量热值和去灰分热值分别在22．34 MJ／kg～22．92 MJ／kg 之间和23．19 MJ／kg ～23．48 MJ／kg 之间，灰分含量在2．23％～3．54％之间，云杉属的干质量热值显著高于圆柏属，灰分含量显著低于圆柏属。②青海省主要乔木树种各器官的干质量热值和去灰分热值分别在21．20 MJ／kg ～26．60 MJ／kg 和22．20 MJ／kg ～28．28 MJ／kg 之间，灰分含量在0．43％～8．33％之间。就干质量热值而言，每种植物叶片的热值均显著高于其它器官；就去灰分热值而言，除紫果云杉外，每种植物叶片的热值均显著高于其它器官。就灰分含量而言，不同树种灰分含量最小的器官均为干。③树种热值和灰分含量均会受到年龄和海拔影响，但这种影响总体不具显著性。
위료해청장고원삼림적열치특정，대청해성주요조림수충적열치화회분함량진행료분석。결과현시：①청해성운삼속화원백속5개교목수충전주적간질량열치화거회분열치분별재22．34 MJ／kg～22．92 MJ／kg 지간화23．19 MJ／kg ～23．48 MJ／kg 지간，회분함량재2．23％～3．54％지간，운삼속적간질량열치현저고우원백속，회분함량현저저우원백속。②청해성주요교목수충각기관적간질량열치화거회분열치분별재21．20 MJ／kg ～26．60 MJ／kg 화22．20 MJ／kg ～28．28 MJ／kg 지간，회분함량재0．43％～8．33％지간。취간질량열치이언，매충식물협편적열치균현저고우기타기관；취거회분열치이언，제자과운삼외，매충식물협편적열치균현저고우기타기관。취회분함량이언，불동수충회분함량최소적기관균위간。③수충열치화회분함량균회수도년령화해발영향，단저충영향총체불구현저성。
In order to understand the calorific values features of Tibet Plateau forest,this study analyzed the ca-loric values and ash content values of main afforestation tree species in Qinghai province.The results showed as below.① Range of Gross caloric values,ash-free caloric values and ash content values in whole plants of 5 tree species in Picea and Sabina were between 22.34 MJ/kg ~22.92 MJ/kg,and 23.19 MJ/kg ~23.48 MJ/kg, and ash content values were between 2.23% and 3.54%.Calorific values of Picea were significantly higher than that of Sabina,while ash content values of Picea were significantly lower than that of Sabina.②Range of Gross caloric values,ash-free caloric values in organs of all 5 species in Picea and Sabina were betwwen 221.20 MJ/kg ~26.60 MJ/kg,and 22.20 MJ/kg ~28.28 MJ/kg,and ash content values were 0.43% ~8.33%.The gross caloric values of leaves were significantly higher than that of other organs in all analyzed species.The ash-free caloric values of leaves were also significantly higher than that of other organs in all ana-lyzed species except Picea purpurea.The ash content values of stem were less than that of other organs.③ Ca-loric values and ash content values of tree species in this study were affected by age and altitude,but this effect was not significant in general.