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森林既是野兽栖息活动的主要场所,又是野兽赖以生存的重要物质条件.一方面,野兽作为宝贵的自然资源为人类提供有价值的财富;另一方面,野兽也会践踏林地,攀折树枝,取食林木花果及种子等,给森林的生长带来为害.1988年4月,我们对四川省邛崃县国营林场内野兽为害森林的情况进行了全面考查,确定将野猪和黑熊作为主要调查对象,1988年5、6月,我们结合学生毕业生产实习,组织了四川林校85—2班的42名同学,对林场内野猪和黑熊为害林木的方式、规律、程度及环境的关系进行了系统的调查和探讨.现将结果总结整理于下:
On the one hand, the beast as a valuable natural resource provides mankind with valuable wealth; on the other hand, the beast will also trample the woodland and climb the branches, In April 1988, we carried out a comprehensive examination of the damage caused by wild beasts in the state-owned forest farms in Qionglai County, Sichuan Province, and determined that wild boar and black bear should be the main targets of investigation In May and June of 1988, in combination with graduation practice of production, we organized 42 students in 85-2 class of Sichuan Forestry University to systematically study the relationship between the way, law, degree and environment of wild boar and black bear in the forest farm The investigation and discussion now summarizes the results in the following: