Effects of controlled burning on species diversity of undergrowth in choerospondias axillaris plantations 炼山对南酸枣人工林林下物种多样性的影响
2.
Villagers qiu chunxiang , etc confirmed that the reserved mountain left to villagers by village committee was also burned down “ carelessly ” while the men hired by contractor burn the leased portion , and eventually they had to lease their reserved portion too 村民丘春祥等人证实，与此同时，承包商在雇人炼山过程中，还“不慎”引发山火，将该村部分村民的自留山也烧毁，最终这些村民只好将林地出租。
3.
This paper analysed the silvicultural status and existing problems , and approached the silvicultural technique measure of national forest farm from the respects of sound seedling of fine breed , ground preparation afforestation without burning grass , shubs , and stumps , and chemical weeding , etc 摘要分析了将乐国有林场营林现状及存在的问题，从良种壮苗、不炼山整地造林、化学除草等方面对国有林场的营林技术措施进行了探讨。
4.
According to the sample area survey ; there are 120 species of plants belonging to 84 gener 47families in the 25 - year - old chinese fir plantation community which will succeed toward the direction simi - ler to the community type before the felling of evergreen broadleaved forest if it is let to develop naturally or the logging residues are not burnt after the felling of the chinese fir plantation due to the superiority of cas - tanopsis carlesii and schima superba in the aspling layer in it 据样地调查，该25年生杉木人工林群落的植物有41科84属120种，群落的外貌特征以包括藤本在内的高位芽占绝对优势，叶特征以革质，单叶，中小型叶为主，由于该群落的幼树层以米储和木荷等占优势，若让其自然发展或杉木林采伐后不炼山，并排除其它人为干扰，该群落将向与常绿阔叶林采伐前的群落类型相似的方向演替。
