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2018 MTP Forest Investigation Report|2018年内蒙古林地调查概况

· 林地报告 Forest Report

截至2018年,MTP项目于内蒙古通辽市共栽植36块林地,绿化面积达32313.15亩(约21.54平方公里),栽植各树种共计2304017棵。今年在常规种植林地之外,还对往年(主要是2014及2015年)种植成活不佳的林地进行了迁移补植,补植面积为1660亩。

To date, MTP has successfully planted 2,304,017 trees on 36 forest plots, covering an area of 32,313.15 Mu (nearly 21.54 km2) in Inner Mongolia. Apart from the regular planting, MTP also carried out the migration and replanting for the forests, where the survival rates are relatively low. The total replanted area is 1,660 Mu.

整体上看,造林面积在2018年,有较大的增长,主要原因:今年为了补足往年死亡过多苗木开辟了新林地进行了补植了。2018年间,项目共造林3635亩三块林地。历年的面积变化如下图:

The area of forests increased dramatically in 2018. The major reason is the replanting carried out in the new forest plots to replenish the amount of dead seedlings of previous years. In 2018, MTP has planted in three plots of sandy land with the total area of 3635 Mu. More details could be seen in the graph below. (1 Ha=15 Mu)

至2018年,栽植树种有8种,分别为:杂交杨树(通林5,哲林4,白城杨,小黑杨等)1年和2年生裸根苗;文冠果播种苗;五角枫播种苗;樟子松3年生容器苗;榆树2年生苗;柠条(1年生容器苗),柳树2年生苗,黄波椤2年生苗。其具体数据如下:

We’ve planted eight different species in MTP forests, including one to two years old hybrid poplar, yellow horn, maple (Acer Mono), 3-year-old pine (container seedlings), 2-year-old elm, one-year Caragana Microphylla (container seedlings), 2-year-old willow, and 2-year-old Phellodendron amurense. Details of each planted species are as follows.

杨树1296708株、文冠果72483株、樟子松863348株、五角枫59617株,柳树11825株。需要说明的是,柠条的成活率较低,无法统计出数据。黄波椤的数量非常少,且分布零散,无法统计。榆树与杨树混交,无法精确区分,由于性状类似,放到一起统计。各树种比例如下图:

1,296,708 hybrid poplars, 72,483 yellow horns, 863,348 pines, 59,617 maples(Acer Monoes) and 11,825 willows. Please note that the survival rate of Caragana Microphylla is too low to record statistics. As the amount of Phellodendron amurense is rather small, and they are very sparse over the sites, we didn’t record the statistics either. Also, since the elms and poplars are mixed together, and shared similarities in characters, we categorized both of them as poplars to count. The proportion of different species is shown in the graph below:

在今年10-11月,我们对2009-2018年期间栽植的31块林地逐一进行了抽样调查,历时26天,测量样地278个,总计测量林木8491棵。经调查测量,2018年度全林地保存率均值为67.85%,各年份林地保存率如下图:

From October to November this year, our staffs have taken 26 days to complete the forest investigation. The 2018 investigation sampled 8,491 trees in 278 random spots of 31 forest sites planted during year 2009 to 2018. The overall survival rate of all MTP forests is 67.85%. The graph below shows the survival rates of the planting sites that we have investigated over the last 7 years.

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