English translation for "mature forest"
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- 成熟林
Related Translations:
- Example Sentences:
| 1. | A study on fertilizer application to nearly mature forest of cunninghamia lanceolata
杉木近熟林施肥试验研究 | | 2. | It is one of the mature forests so as a good place for watching forest birds such as warbles , flycatchers , thrushes and minivets
大埔?有一片成熟树林，故此是观鸟的好地方。 | | 3. | 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
该区北部目前还保存有空间上完整的植被正向演替系列，即弃耕地先锋群落草本群落(白羊草bothriochloaischemum 、茭蒿artenmisiagiradii +长茅草stipabungeana 、铁杆蒿artenmisiasacrorum 、大油芒spodiopogensibiricus +苦参sophoraflavecens 、黄菅草themedajaponica或野古草arundinellaanomala )灌丛群落(沙棘hippophaerhamnoides 、狼牙刺sophoraviciifdia 、虎榛子ostryopsisdavidiana )早期森林群落(乔灌群聚、山杨populusdavidiana 、白桦betulaplatyphylla 、侧柏platycladusorientalis 、 )辽东栎群落( quercusliaotungensis ) 。 | | 4. | The results showed the trend of soil ifi changes was partial " u " , namely , during the course of artificial picea succession , soil ifi decreased sharply at the initial stage , after artificial picea reaches mature forest , soil ifi recovered slowly and reached soil ifi of natural coniferous forest finally
在人工云杉林地中，土壤ifi表现出非正“ u ”型的变化，即云杉幼林向成熟林演替时，土壤ifi迅速下降，大约在云杉40龄出现自疏之后，土壤ifi回升，但恢复速度十分缓慢。 | | 5. | Based on above - mentioned analysis , the strategy and measures to prevent the soil fertility quality degradation of artificial picea mature forest and improve the stand ecological environment were put forward , including the rational management of inter - cutting down and fostering after artificial picea forest matured . because conifer - hardwood forests generally contain more tree species than pure coniferous forest , and their structure also is more complex , forestation in subalpine of western sichuan should be conifer - hardwood forests
林地土壤有机质主要来源于凋落物的分解，并受其分解速率的控制，解决当前人工成熟林地土壤退化的主要措施应为林地凋落物分解创造条件，即因地制宜地对成熟人工林进行间伐或轮伐，当前在该区域造林应避免营造针叶纯林。 | | 6. | Soil amounts of microbes of loa artificial picea forest were the most in the topsoil , amount of bacteria and actinomycetes sharply decreased from the early picea forest to the mature forest , and after the mature forest , amount of fungi increased slowly . fungi had greatly effect on decomposition of litter
10a生人工云杉林地细菌、真菌和放线菌数量最多，随着云杉林龄的增加，细菌和放线菌的数量急剧减少，真菌在云杉自疏时，其数量稍有增加，之后又急剧下降，真菌在针叶林凋落物分解中起重要作用。 | | 7. | Soil saturated capacity , capillary capacity , total porosity and capillary porosity showed the trend of the " u " during the successional course of artificial forest , namely , they reduced on the early successional stages , after picea reached mature forest , soil porosity recovered slowly . the content of natural water was mainly affected by capillary porosity . from soil chemical properties analysis , the content of soil organic , humus , ha , fa and ha / fa of topsoil was more than that of bottom layer
即人工云杉幼林向成熟林演替阶段，土壤饱和持水量、毛管持水量及总孔隙和毛管孔隙则减少，在40年生云杉林达最低值，之后随着云杉自疏，微生态改善，林地凋落物分解加快，土壤饱和持水量、毛管持水量及总孔隙和毛管孔有上升的趋势，毛管持水量是决定林地自然含水量的主要因子。 |
- Similar Words：
- "mature fiber" English translation, "mature fibre" English translation, "mature field" English translation, "mature fish" English translation, "mature follicle" English translation, "mature forest stand" English translation, "mature form" English translation, "mature forms" English translation, "mature gas" English translation, "mature germ cell" English translation
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