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Since quassins isolated from plants of Simarubaceae possess pesticide activity, we try to find pesticide activity compounds in Ailanthus fordii nooteboom .

常绿臭椿为苦木科臭椿属植物,由于前人从苦木科植物中分离得到的苦木素具有杀虫活性,因此我们希望从常绿臭椿中也能获得具有杀虫活性的化合物。

The results showed that forest musk deer mainly fed on defoliations of evergreen or half-evergreen arbors and shrubs in winter, among which 16 species belonging to 14 families had been identified. In spring, the first-year branches and forbs were dominant, among which 18 species belonging to 17 families had been identified.

结果表明:林麝冬季主要取食常绿或半常绿灌木和乔木的落叶,经检验确认的有14科16种;春季主要以当年生枝条以及非禾草类草本植物为食,共确认17科18种。

Taxaceae A family of evergreen coniferous trees and shrubs, the yews, with needlelike or linear leaves.

紫杉科:包括常绿针叶树、常绿灌木、紫杉在内,具针叶或线性叶的一个植物科。

The latter can be further divided into mid-subtropical northern typical-evergreen broadleaved forest subzone and southern part of mid-subtropical southern evergreen broadleaved forest subzone with the floral components of South China.

后者分为北部典型常绿阔叶林亚地带,南部含华南植物区系成分的常绿阔叶林亚地带。

Viburnum carlesii is deciduous and Viburnum utile is evergreen , so in the spirit of compromise , their tall offspring is semi-evergreen .

荚蒾槠是落叶和荚蒾 utile 是常绿,所以在本着妥协的精神,他们的3米高的后代,是半常绿。

The results showed that the lowland rain forest are composed of Heritiera parvfolia, Ormosia balansae, Ficus altissima, Vatica mangachapoi, Sarcosperma kachinense, Man glietia hainanense, Ixonanthes chinensis and Diospyros hainanensis in arbor layer and Gironniera subaequalis, Koilodepas hainanense, Blastus cochinchinensis, Psychotria rubra in shrub layer. The dominant species in mountain rain forest are Dacrydium pierrei, Podocarpus imbricatus, Xanthophyllum hainanense, Altingia obovata, Quercus auguslii and Adinandra hainanensis.

研究结果表明吊罗山低地雨林乔木层以蝴蝶树、青梅、高山榕、粘木、长脐红豆、海南柿、肉实树和海南木莲为主,灌木层以白颜树、白茶、柏拉木和九节为主;山地雨林以陆均松、鸡毛松、黄叶树、阿丁枫、扫把青冈和海南杨桐为优势种;山顶常绿矮林则以山地常绿阔叶林陆均松、琼崖柯、岭南青冈和油丹等种类的矮化为特征。

Mainly Lauraceae, Fagaceae, Theaceae, magnolia Branch, Division of Hamamelidaceae evergreen broad-leaved trees such as the composition of the shrub layer are found to evergreen species, community structure is more complex.

主要由樟科、壳斗科、山茶科、木兰科、金缕梅科等科的常绿阔叶树组成,灌木层中亦多常绿种类,群落结构比较复杂。

The diversity index and evenness index of tree species in medium-aged stands averaged 1.79 and 0.53. The dominant family for the forest was Fagaceae in terms of importance value, and the dominant tree species were Castanopsis eyrei, C. sclerophlla, Lithocarpus harlandii, and Cyclobalanopsis glauca.

肖坑亚热带常绿阔叶林的树种多样性较低,中龄林林分平均多样性指数和均匀度指数分别为1.79和0.53;依据优势度划分,该地区常绿阔叶林的优势科为壳斗科,优势种为甜槠、苦槠、青冈和东南石栎。

The results showed that forest musk deer mainly fed on defoliations of evergreen or halfevergreen arbors and shrubs in winter, among which 16 species belonging to 14 families had been identified.

结果表明:林麝冬季主要取食常绿或半常绿灌木和乔木的落叶,经检验确认的有14科16种;春季主要以当年生枝条以及非禾草类草本植物为食,共确认17科18种。

The maximum rate of decomposition of soil organic carbon insubtropical wetness area is red soil under coniferous and broad-leaved mixed forest>yellowsoil under grass>yellow soil under shrub>yellow soil under broad-leaved forest>red soilunder camellia oleifera; decomposition rate of yellow soil is faster than red soil. Themaximum rate of decomposition of soil organic carbon in subtropical wetness zone isyellow-brown soil under mixed forest in Nanjing>red soil under adult fir in Yujiang>redsoil under broad-leaved forest in Yujiang.

湿润亚热带地区森林土壤有机碳分解速率最大值出现在培养初期的一周内,其顺序:针阔混交林红壤>茅草黄壤>灌木林黄壤>常绿阔叶林黄壤>油茶红壤,同一植被下黄壤有机碳分解速率大于红壤,南京混交林黄棕壤>余江杉木(32年)红壤>余江常绿阔叶林红壤。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

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