混交林

本研究将检查法（controlmethod）应用于我国天然针阔混交林经营，并对调查方法加以改进。

Control method were applied to natural mixed uneven-aged stands at the first time in China , and its inventory method were improved .

应用~（32）P研究混交林中油松和元宝枫的相互关系

Study of the interrelationship between pine and maple in the mixed stand with ~ ( 32 ) p

非生长季长白山红松针阔叶混交林CO2通量特征

Non-growing Seasons CO_2 Flux of a Broad-leaved Korean Pine Forest in Changbai Mountain

水曲柳落叶松纯林与混交林根际土壤pH值变化对比

Comparison on pH Change of Rhizosphere Soil between Pure Ash or Larch Forests and Mixed Forests

红松阔叶混交林凋落物-土壤动物-土壤系统中N、P、K的动态特征

Dynamic characteristics of N , P , K in the litter-soil fauna-soil system of mixed Pinus koraiensis and broad-leaved forest

固N树种在混交林中的作用研究Ⅰ.沙棘混交林内根瘤固N与林木生长

Role of nitrogen-fixing trees in mixed forest ⅰ . Nitrogen fixation and tree growth of mixed stand with Hippophae rhamnoides

pH值大小顺序为：水曲柳纯林根际土＞非根际土＞混交林根际土＞落叶松纯林根际土。

PH value of rhizosphere soil decline in the order of pure ash stand > nonrhizosphere soil > mixed stand > pure larch stand .

基于BP神经网络的针阔混交林TM遥感图像自动分类技术研究

Automatically Classifying and Identifying the TM Remote Sensing Images of Forest Mixed with Conifer and Broadleaves Using Improved BP ANN

指出杨树刺槐混交林生产力提高主要是因为林地土壤养分（特别是N素养分）的极大改善及树种间N、P养分的互补。

It shows that the yield improvement is mainly due to the soil nutrient amelioration ( especially nitrogen nutrient ) and the interaction of mutual supplement of N and P nutrient .

通过对试验地不同林分土壤性质及营养元素的测定，发现水曲柳落叶松混交林土壤pH值、有机质含量与水曲柳纯林无显著差异；

The soil pH and organic matter in ash and larch mixture plantation and ash monoculture varies lightly through measuring soil characteristics and nutrition element in the different stands ;

常绿、落叶阔叶混交林分布在海拔500～800m的山谷；

Deciduous and evergreen broadleaved mixed forest distributed from 500m to 800m ;

混交林和纯林群落中林下植被细根在群落细根N、P养分循环中占有重要地位，而杉木和观光木<0.5mm径级细根则是其细根养分循环功能的主体。

Fine roots of undergrowth played an important role in nutrient cycling of fine roots of forest community . Roots < 0.5 mm in diameter was the major body in nutrient cycling of fine roots .

SPAC中油松栓皮栎混交林水分特征与气体交换

Water characteristics and gas exchange of Pinus tabulaeformis and Quercus variabilis mixed stand

全新世早期（12.0-9.0KaBP）高原东南部（104°-98°E）为落叶阔叶林/针阔叶混交林；

During the early Holocene ( 12.0-9.0 ka BP ), deciduous broad_leaved forest / conifer and broad_leaved deciduous mixed forest were distributed in the east of Plateau ( 104 ° - 98 ° E ) .

即展示了其应用于针混交林TM遥感图像自动分类识别的能力，又验证了该系统具有随网络规模增大而分类精度提高的发展趋势。

So the result shows that this system can be used to TM image classify and it has a potential to improve its precision with network pattern 's augmentation .

实验表明，随树龄的增长，混交林对土壤的养分含量、酶含量的积累以及降低PH、遏制土壤返盐方面有明显的改良作用。

The experimental results show that , with the age growth , mixed forest on soil nutrient content , enzyme content accumulation and reduction of PH , containing the soil salt has obvious improvement effects . 4 .

研究结果表明：①Weibull分布与负指数分布均能较好描述过伐林区针阔混交林的直径结构；

The research results show that : ① Weibull distribution and negative index distribution can be applied to describe the diameter structure of the coniferous_broad leaved mixed stands ;

结果表明，除K素外，有机质、全量N、水解性N，混交林各层次的含量都较纯林高，且底层差异较上层明显。

The results show that organic substances , total-N , Hydrolytic-N of all layers in mixed forests are higher than that in pure forests except element K , and the difference in lower layer is more obvious than that in upper layer .

用静态箱-气相色谱法对鼎湖山针阔叶混交林的地表CH4通量进行了为期一年的原位观测和研究。

In situ CH4 flux from soil of coniferous and broad-leaved mixed forest in Dinghushan Biosphere Reserve was measured for one year by using static chamber-gas chromatograph technique .

分析了半干旱退化山区荒山5a生沙棘×山桃混交林与山桃纯林系统的土壤养分状况。

Soils of the 5 year sea-buckthorn and mountain peach mixed forest and the mountain peach pure forest in the semiarid degenerated mountain area were analyzed .

据此计算湿地松林的叶面积指数为5.03，马尾松林和杉木林为4.31，针叶混交林为4.77，该结果比利用CI110植被冠层数字图像仪测得的结果偏大。

LAI was 5.03 for slash pine plantation , 4.31 for both masson pine plantation and Chinese fir plantation , and 4.77 for mixed coniferous plantation , all larger than that measured with CI-110 plant canopy digital imager .

应用该方法对北京西山地区的44年生人工混交林中油松和侧柏树种间生长和营养（N，P和K）吸收状况进行了比较和分析。

In this paper , a 44 year old mixed plantation of two tree species ( Pinus tabulaeformis and Platycladus orientalis ) was compared with competition free pure stands for their biomass production and nutrient ( N , P and K ) uptake using this new technique .

把先进的双向指示种TWINSPAN分类方法引入混交林分类，并找出混交林的演替序列与规律。

The method of TWINSPAN quantitative classification is applied to classify mixed forest and therefore a succession serial and law of mixed forest has been gotten .

混交林下的土壤A层有机质，水解氮、速磷含量及A2层的pH值，分别比各树种纯林高14%98%，7%48%，29%104%及1个单位；

Soil organic matter at A-Layer , available N and P , and pH at soil A_2-Layer are higher 14 % 98 % , 7 % 48 % , 29 % 104 % and one unit respectively in the two mixed stands than that in the pure stands .

最大荧光产量Fm表现为针叶林小于阔叶林小于针阔混交林，且针阔混交林分别与针叶林、阔叶林之间存在显著性差异，针叶林与阔叶林之间无显著性差异。

Maximum fluorescence yield Fm performance that coniferous forest is less than the mixed forest and less than the needle . There was a significant difference between the needle leaf mixed forest , coniferous forest and broad-leaved forest respectively .

4个群落的DG指数是：竹林>茶林>阔叶林>针阔混交林；

The distribution of index ( DG ) in four types of communities was as follows : ( from the largest to the smallest ) bamboo , tea forest , mixed needle and broad leaf forests .

土壤（0～40cm层）贮水量达611.2t·hm－2，比杉木纯林、毛竹纯林和其他混交林都大；

Total water storing of soil at 0 ~ 40 cm was 611 2 t · hm - 2 , larger than pure Chinese fir , pure moso and other mixed forests .

华南玄武岩型、灰岩型红土上覆植被以阔叶林为主，变质岩、粉砂岩、北海组（q2）型红土为针阔叶混交林，花岗岩型红土则以针叶林为主。

The main cover is the broadleaf forest on red soil of basaltic rock and limestone type , the mixed forest on red soil of metamorphic rock , silt sandstone and Q2 type , and the conifer forest onred soil of granite type in South china .

表明，TWINSPAN同样适用于混交林的分类和排序，对混交林演替过程的时空梯度有一定指示意义。

The result shows that TWINSPAN method is also suitable for mixed forest classification and can indicate gradient of time and space in the process of mixed forest succession to some extent .

灌-草层之间各指数的差异性检验不显著。群落总体丰富度指数和Shannon-Wiener指数均是黄檗林高于柳杉杉木混交林。

Between shrub and herb layers , the difference of each index was not significant The total richness index and Shannon-Wiener index of Phellodendron amurense plantation community were all the highest than those of the other communities .