狼牙刺 的英文怎麼說

中文拼音 [láng]
狼牙刺 英文
sophora davidii
  • : 名詞1. [動物學] (哺乳動物, 形狀似狗) wolf 2. [天文學] (天狼星) the sirius3. (姓氏) a surname
  • : 名詞1. (牙齒) tooth 2. (象牙) ivory 3. (形狀像牙齒的東西) tooth-like thing 4. (姓氏) a surname
  1. The content of soil nutrients in 0 - 20cm profile is higher than that of 20 - 60cm profile. in the s. viciifolia plot, there are more organic matter, the whole nitrogen, quik - result nitrogen, quik - result kalium

    狼牙刺各樣地內, o一zocm剖面土壤養分高於20一6ocm ,土壤有機質、全氮、堿解氮高於對照撂荒地。
  2. In different phases of development, vegetation systems in this region have changed from pioneer herbage species initially recovering in abandoned cropping lands ( bothriochloa ischemum, artenmisia giradii and stipa bungeana, artenmisia sacrorum, spodiopogen sibiricus and sophora flavecens, themeda japonica, and arundinella anomala ) to secondary shrubs ( hippophae rhamnoides, sophora viciifdia, and ostryopsis davidiana ), early forest community ( populus davidiana, betula platyphylla and platycladus orientalis with arbors or shrub assembling ), and finally liaotungesis community as the mature forest. in this study, soil profiles ( 0 - 5, 5 - 15, 15 - 25, 25 - 35, 35 - 50 cm soil layers ) were selected from typical vegetation systems representing for vegetation successions in the region

    該區北部目前還保存有空間上完整的植被正向演替系列,即棄耕地先鋒群落草本群落(白羊草bothriochloaischemum 、茭蒿artenmisiagiradii +長茅草stipabungeana 、鐵桿蒿artenmisiasacrorum 、大油芒spodiopogensibiricus +苦參sophoraflavecens 、黃菅草themedajaponica或野古草arundinellaanomala )灌叢群落(沙棘hippophaerhamnoides 、狼牙刺sophoraviciifdia 、虎榛子ostryopsisdavidiana )早期森林群落(喬灌群聚、山楊populusdavidiana 、白樺betulaplatyphylla 、側柏platycladusorientalis 、 )遼東櫟群落( quercusliaotungensis ) 。
  3. The height of s. viciifolia hance is 1. 5m, crest amplitude is 2. 0 2. 0m2, the average number of branches is 4. 45, and plant coverage is from 75 % to 90 %. the length of new branch in a year is more than 50cm, and the new branch grows faster in june, july and august

    狼牙刺和檸條的新枝生長在6 、 7兩個月份最為旺盛,年生長量超過500m ,不同立地條件下,其地上部生物量差別較大,變幅在6 . 8 27 . 3t hm ~ 2間。
  4. This paper systematkally researched the characteristics of growth and physiology of sophora viciifolia hance ( a kind of natural shrub ) and its effects on the content of soil water, soil nutrieftt and soil physical property. the paper applied some methods and theory of plant ecology, plant physiology, physics of soil and soil chemistry etc. three different age s. viciifolia hance in the different plot were selected, caraganar land and fallow land as a comparison

    本文以陜北黃土區安塞紙坊溝流域內在植被演替中佔有重要地位的天然灌木種( 6 、 14 、 17齡)狼牙刺( sopharaviciifoliahance )為對象,以15齡檸條( caraganar )和撂荒地為對照,系統研究了狼牙刺的生長特徵、生理特性,及其生長對土壤水分、土壤養分、土壤物理性狀的影響。
  5. Some plants had single peaks each month, but others had two peaks per month

    狼牙刺外,所有植物日平均蒸騰速率均在8月最低。
  6. Through investigating their index of growth and soil water content from april to october, observing their species composition in july and above - ground biomass in september, measuring seasonal changes of plant moisture stress, net photosynthesis rate, transpiration rate of s. viciifolia and hance, after analyzing all kind of data, the following conclusions can be drawn : 1

    主要結論如下: 1 、狼牙刺的株高在1 . 50m左右、冠幅約2 . 0 2 . 0m 、平均分枝數約為4 . 45 。不同立地條件下,狼牙刺覆蓋度均在50以上,加上林下草灌層在生長旺期總蓋度均能達到70以上。
  7. The status of plot determines the plant ' s growth rate. there is a big difference among species ( including 16 fccsetcses )

    各年齡狼牙刺和檸條之間物種組成有顯著差別,相似性系數在0 . 23 0 . 39之間。
  8. The content of soil water in the 10m profile shows : the content of soil water is high in 4 - 6m, there is a soil - drying - layer in 6 - 8m profile which was formed in the frontal stage of s. viciifolia growth

    和檸條相比,狼牙刺地淺層( 3m內)土壤水分虧缺程度較輕,干層超過10m ,比同齡的檸條要深。
  9. Dynamics of sophora davidii population in a hilly region closed for thirty years in loess plateau

    黃土高原丘陵溝壑區封禁30年前後狼牙刺種群動態研究
  10. After two years, it did n ' t develop further. s. viciifolia has a balance with rainfall. 5

    狼牙刺與降水處於一種平衡狀態,並按其固有的自然規律演替和發展。
  11. Both s. viciifolia and caraganar have good activation to quik - result phosphorus. in addition, s. viciifolia can improve soil physical properties

    狼牙刺對土壤物理性狀有一定改善作用, 0一zocm土層中, > 2
  12. The whole water is supplied by rainfall. s. viciifolia endured slightly water coerce. the water wane of s. viciifolia is less than caraganar ' s, they adapt the specific soil water situation under different species composition, population density and vegetation coverage

    在整個生長季內,狼牙刺受不同程度的水分脅迫,但在不同立地條件下,通過不同的密度、物種組成及植被蓋度,從而適應特定的水分環境條件。
  13. The amount of water consumption of s. viciifolia through evaporation and transpiration is 523 - 590mm, the depth of water consumption is about 2. 5m, which is closer to caraganar ' s

    狼牙刺正午水勢較黎明前水勢穩定,規律性好,是反映其水分特徵的更為有效的指標。
  14. The above - ground biomass amount is between 11. 81 - 109. 15t / hm2. s. viciifolia hance has good funcjtion for soil and water conservation. at present, it is on the frontal stage of natural vegetation succession, the ground - diameter is keeping linear growth

    狼牙刺個體地徑隨年齡增長保持直線生長,立地條件的優劣對生長速度有重要影響,生長速度順序為: 14齡狼牙刺6齡狼牙刺17齡狼牙刺
  15. Photosynthesis and transpiration have no obvious difference between different age s. viciifolia, but they have consanguineous physiological responses to environmental factors such as photon flux density, air temperature and the content of soil water. compared with caraganar, s. viciifolia formed the physiological mechanics of less photosynthetic rate and less tranpiration rate to resist drought

    狼牙刺的凈光合速率同光合有效輻射、大氣溫度和二氧化碳濃度之間沒有顯著相關性,與土壤含水量顯著正相關;蒸騰作用與光合有效輻射、土壤含水量及空氣溫度有很好的正相關性,與大氣濕度有負相關性。
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