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   seed ecology 的翻译结果: 查询用时:0.01秒
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seed ecology
相关语句
  种子生态学
     Research on the Seed Ecology of Common Trees in Evergreen Broad-leaved Forest of Jinyun Mountain
     缙云山常绿阔叶林常见植物的种子生态学研究
短句来源
     The seed ecology properties of the population relate with the stabilities of communities the population lodged in 3?
     刺五加种群的种子生态学特殊性与种群所在群落的稳定性有关。
短句来源
  种子生态学的
     The seed ecology of clonal plant, Acanthopanax Senticosus,has been studied by the experimental ecology method in order to increase its resource.
     为了扩大无性系植物——刺五加(Acanthopanax Senticosus)的资源,采用实验生态学的方法,进行了刺五加种子生态学的研究。
短句来源
     THE STUDY ON SEED ECOLOGY OF ACANTHOPANAX SENTICOSUS
     刺五加种子生态学的初步研究
短句来源
     On the contrary, the study for seed ecology is taken lately in China.
     国外对此进行了广泛深入的研究,国内起步较晚,对种子生态学的系统研究尚未全面展开。
短句来源
  相似匹配句对
     Ecology
     《生态学》简介
短句来源
     THE STUDY ON SEED ECOLOGY OF ACANTHOPANAX SENTICOSUS
     刺五加种子生态学的初步研究
短句来源
     Seed and seedling ecology of the endangered Phoebe bournei (Lauraceae)
     濒危树种闽楠种子和幼苗生态学研究(英文)
短句来源
     RESTORATION ECOLOGY
     恢复生态学
短句来源
     Seed Dressing
     种衣剂的发展简述
短句来源
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  seed ecology
Seed Ecology of the Invasive Tropical Tree Parkinsonia aculeata
      
In a study of Sabal palmetto seed ecology I found high seed size variation both within- and among-palms, and investigated possible factors maintaining this variation.
      
Further work will be required to determine the importance of differential seed predation on buried seeds as a selective pressure in seed ecology.
      


The Eupatoriun adenophorum Spreng appeared in southern Yunnan in 1960's is the weeds of the wasteland. In order to control it's harm a series of basic researches from the seed ecology to repjoductive characters was carried out. The effective preventive measures were put forword. The paper is based on autecolo -gy. Some results are reported as follows.1. The tiny seeds disperse mainly in the topsoil lees than 0.5cm deep. The rate of seed-sprouting is about 50%. They germinate best in the damp...

The Eupatoriun adenophorum Spreng appeared in southern Yunnan in 1960's is the weeds of the wasteland. In order to control it's harm a series of basic researches from the seed ecology to repjoductive characters was carried out. The effective preventive measures were put forword. The paper is based on autecolo -gy. Some results are reported as follows.1. The tiny seeds disperse mainly in the topsoil lees than 0.5cm deep. The rate of seed-sprouting is about 50%. They germinate best in the damp soils on pH.5-6 from June to July. They don't germinate in darkness.2. The buds of Eupatorium adenophorum are bred in the last of November. The flowers bloom in the late of February. The seeds ripen in April to May. Then, the plant partly dies and sprouts out new buds in May. The highest peak of nutritional growth is from June to September.3. Eupatorium adenophorum growing on fertile soil needs the moisture of soil, that is above 16%. the plant will stop permanently photosynthesis, when the moisture content of soil is below 15%. If it is below 11%, the plants will die completely.4. The growing activity of Eupctorium adencphorum depends on the temperature of 10℃ or more. If the average temperature of ten days is below 5℃ or absolute temperature is below -4.5℃.The parts above ground of the plant will suffer freezing harm. If average temperature of ten days is below 0℃ or the lowest is -10℃, the plant will die completely.5. According to photosynthelic character of Eupatorium adenophorum, it belongs to one of C3 plants.6. The reproductive capacity of Eupatorium cdenophorum is the strongest between 3rd-5th years of growing. Then, it comes down gradually every years. The sprouting ability of the separate rhizomes is strong. The pure roots haven't sprouting ability.

紫茎泽兰为滇南六十年代出现的一种荒山害草。为控制其危害,我们开展了从种子生态学到繁殖特性等一系列的基础研究工作,目的在于掌握其生长发育过程中的薄弱环节,从中提出有效的防除措施。 本文报道了紫茎泽兰的生长发育规律,影响生长的主要生态因素,光合特性,不同年龄级杂革的有性繁殖能力,种子在土层中的分布与萌发,以及无性繁殖特性等。

The seed ecology of clonal plant, Acanthopanax Senticosus,has been studied by the experimental ecology method in order to increase its resource. Thc results are as follows: (1)The effects of different treatments on seedling on percentages of Acanthopanax senticosus seeds are different. The seedling percentage of the seeds stratificatcd under changing temperature is the high and fast to sprout, however ,it is low and slow by direct seedling and seeding with fruits. (2) The average weight...

The seed ecology of clonal plant, Acanthopanax Senticosus,has been studied by the experimental ecology method in order to increase its resource. Thc results are as follows: (1)The effects of different treatments on seedling on percentages of Acanthopanax senticosus seeds are different. The seedling percentage of the seeds stratificatcd under changing temperature is the high and fast to sprout, however ,it is low and slow by direct seedling and seeding with fruits. (2) The average weight of thousand grains of the seeds collected from different secondary forest communities are different, and influences on the seedlings percentages of seeds and growth in height and base diameters of seedling, the order of these communities is hardwood forest, mongolian oak forest and davidian poplar forest.

为了扩大无性系植物——刺五加(Acanthopanax Senticosus)的资源,采用实验生态学的方法,进行了刺五加种子生态学的研究。结果:①不同种子处理方法对刺五加种子发芽的影响不同。种子出苗率以变温层积处理的最高,时间也短;而种子直播和果实直播明显地低于前者,而且时间也长。②采自不同天然次生林群落的刺五加种子千粒重不同,并影响到幼苗的出苗率以及高和地径的生长。其大小顺序均为采自硬阔叶林的种子>蒙古栎林的>山杨林的。

Acanthopanax brachypus is an endangered plant. In general, the understanding of population endangering factors and their mechanism can offer a theoretical base for developing conservation strategies. By analyzing static life-table, the result showed that A. brachypus population was greatly influenced by environmental sieve. By multiple linear regressive model, the key habitat factors significantly correlated to population biomass were known, i.e., community type, crown density, slope and exposure, which were...

Acanthopanax brachypus is an endangered plant. In general, the understanding of population endangering factors and their mechanism can offer a theoretical base for developing conservation strategies. By analyzing static life-table, the result showed that A. brachypus population was greatly influenced by environmental sieve. By multiple linear regressive model, the key habitat factors significantly correlated to population biomass were known, i.e., community type, crown density, slope and exposure, which were not stable and might increase the endangered possibility of A. brachypus population. By studing seed ecology of A. brachypus, it was concluded that the failure of seedling regeneration was one of the important endangering factors. At last, human disturbance dimension which can increase the endangering probability of A. brachypus, was also discussed. Fig 1, Tab 3, Ref 11

研究了短柄五加种群致濒的因素和机制 .1)通过环境筛分析 ,认为短柄五加种群在 5~ 8a和 11~ 12a两个年龄阶段受到强烈的环境筛过滤作用 ,这两个阶段可能是濒危的关键阶段 .2 )通过对短柄五加种群生物量增长过程中关键因子的分析 ,确定了影响种群生物量的主导生境因子 ,主要是群落类型、群落郁闭度和坡度、坡向等 .影响种群增长的主导生境因子的脆弱性 ,增大了短柄五加种群濒危的趋势 .3)通过对短柄五加种子生态及生殖生态的初步分析 ,认为种群实生苗更新失败是短柄五加种群濒危的重要因素 .4)放牧、采挖和对次生落叶阔叶林的砍伐等人类活动 ,加快了短柄五加种群濒危的速度 .图 1表 3参 11

 
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