松林階地 的英文怎麼說
中文拼音 [sōnglīnjiēde]
松林階地
英文
pine forest terrace- 松 : Ⅰ名詞1 （松樹） pine 2 （絨狀或碎末狀食品） dried meat floss; dried minced meat 3 （姓氏） a surn...
- 林 : 名詞1 （成片的樹木或竹子） forest; woods; grove 2 （聚集在一起的同類的人或事物） circles; group 3...
- 階 : 名詞1. （臺階） steps; stairs 2. （等級） rank 3. [醫學] （耳蝸的三個螺旋管的任一個） scala 4. [數學] order 5. [地質學] stage
- 松林 : pinetum; pinery; pinewood松林地 pineland
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Due to different exploitation intensity and ecological restoration measures used in hongchiba region, wuxi county, the vegetation have been formed a series of succession stages, i. e. herbaceous stage scrub - shrub stage - shrub - tree stage - pure larix daempferi conifer forest stage - pinus armandii needle broad - leaved mixed forest stage - natural deciduous broad - leaved forest
巫溪縣紅池壩地區由於歷史上開發強度和生態恢復措施的不同，使當地植被形成了從草本群落灌木灌叢林灌過渡帶日本落葉松（ larixdaempferi ）針葉純林華山松（ pinusarmandii ）針闊葉混交林天然闊葉落葉林的一系列生態恢復演替階段。The study has investigated and compared soil physical, chemical, biochemical properties of eight stands on paired sites in mountainous regions of northeastern china, trying to look for the mechanism of soil degradation and the change trend of soil properties in different age of plantations in relations to forest productivity. the eight stands are 4 first rotation of larix olgensis plantations with different age classes, the second rotation of larix olgensis young stand, pinus sylvestris var
本文通過固定和典型樣地，對東北山地不同生長發育階段落葉松人工林和二代落葉松幼齡林以及與二代落葉松幼齡林同一塊林地的樟子松幼齡林、天然次生林、落葉松水曲柳混交林等8個林型土壤質量進行了對比與分析，深入探討了落葉松人工林土壤質量降低的機理和不同發育階段土壤質量變化規律以及與森林生產力變化的關系，並提出了林地土壤質量調控措施。( 2 ) compared to secondary natural forest, the amount of three main types of microbes in rhizosphere soil of different age of larix olgensis plantation correspondingly decreased largely, enzyme activity in non - rhizosphere soil reduced, the biochemical activities abated, and soil physical and chemical properties deteriorated
（ 2 ）與天然次生林相比，落葉松人工林不同發育階段根際土壤三大類微生物數量均相應地有較大幅度的降低，非根際土壤酶活性減弱，土壤生化作用強度降低，土壤理化性質變壞。
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