Seedling quality is a key factor in establishing forest plantations.
苗木质量对造林效果有重要影响。
Dongguan Landsing company started in 1986 and is a privately-owned company combining ownership of forest plantations, paper mill and paper converting operations in one group.
东莞市石龙联兴实业有限公司创办于1986年，是一家集林场、造纸、纸制品产供销一条龙的独资企业。
The South and Southeast regions in Brazil have the highest energy generation potential from agroforestry biomass due to the high concentration of forest plantations and sugarcane.
由于高度密集的森林和甘蔗种植，巴西的南部和东南部地区农林生物质的能源生产潜力最高。
FRA 2005 also found that new forests and trees are being planted at increasing rates, but plantations still account for less than 5 percent of forest area, it notes.
《2005年全球森林资源评估》还发现，新的森林和树木种植速度在加快，但是《评估》指出，人工林仍不足森林面积的5%。
The species' decline is driven primarily by loss of forest habitat to palm oil plantations and other human land use, according to IUCN.
据国际自然保护联盟说，这个物种衰落的主要原因是棕榈油种植园和其他人类用地使森林栖息地丧失。
Rapid expansion of soybean plantations in South America could displace 22 million hectares (54 million acres) of tropical forest and savanna in the next 20 years.
在南美洲，大豆种植面积迅速扩大，这可能会导致未来20年热带森林和热带草原面积减少2200万公顷(5400万英亩)。
In Indonesia this would mean putting palm-oil plantations not on forest land but on degraded land, of which it has perhaps 40m hectares available.
在印尼，这将意味着将油棕榈树种植园建立在退化土地，而非林地之上，该国可能拥有4000万公顷可用退化土地。
The project has established nurseries and plantations to regenerate the forest.
为了林区的更新，该项目建立了苗圃和林场。
The worst die-off has occurred in south-east Asia, where hunting, dam building and the conversion of forest to palm oil plantations and paddy fields has been most dramatic.
物种消失最严重的地方在东南亚，当地捕猎、建设大坝、毁掉森林建造棕榈油种植园、开发稻田等行为对生态环境的影响最大。
In practice, this translated into expenditure on plantations, rather than the management of natural forest.
但实践中，大量的投入花在大面积的人工造林上，而不是对自然森林的管理。
Large tracts of this unprotected forest recently have been leased to rubber plantations.
这片未受保护的森林的大片区域最近被租借给厂商种植橡胶。
The undergrowth vegetation biomass in Korean pine plantations declined over years and was less than that of the mixed forest of Korean pine and secondary natural forest at all age stages.
林下植被生物量随林龄增长而降低，所有年龄阶段红松人工林林下植被生物量都低于红松混交林和天然次生林。
The land of mulberry fields, tea plantations, orchards, nurseries of young plants, forest land, reed land, natural and man-made grassland and other lan are not included in cultivated land.
但不包括属于专业性桑园、茶园、果园、果木苗圃、林地、芦苇地、天然或人工草地面积。
Their fluctuation degrees were also decreasing as the number of sampling points was increasing. 3) This technique used in Larix plantations was better than Mongolian oak forest.
当抽取样本多于此值后， 曲线下降缓慢。3）落叶松人工林的样地抽样效果要好于柞树林的样地。
Under the similar site condition, the secondary forest and the mixed plantations had greater water conservation function and better maintenance of soil fertility than the pure stands did.
在相同的立地条件下，天然次生林和混交林具有更好的维持地力作用和更高的水源涵养功能。
However, Leopold really wanted to cultivate rubber. China just wants cheap access to the forest - there is no serious intention of growing palm oil plantations.
利奥波德是真的想培育橡胶，而中国却只是想借此以较低成本来利用森林，建棕榈油种植场只是个幌子。
Representative mixed plantations A, B of Cyclocarya paliurua Ilinsk and Chinese fir and pure stand of Chinese fir in Xiqin Experimental Forest Farm were selected, and their biomass was determined.
在西芹林场选择有代表性的青钱柳、杉木混交林A、B两种和杉木纯林，进行生物量测定。
Representative mixed plantations A, B of Cyclocarya paliurua Ilinsk and Chinese fir and pure stand of Chinese fir in Xiqin Experimental Forest Farm were selected, and their biomass was determined.
在西芹林场选择有代表性的青钱柳、杉木混交林A、B两种和杉木纯林，进行生物量测定。
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