protective forest 中文意思是什麼

protective forest 解釋
保護林
  • protective : adj. 1. 保護的，防護的。2. 保護貿易的。adv. -ly ,-ness n.
  • forest : n. 福雷斯特〈姓氏，男子名〉。n. 1. 森林，山林。2. （英國）皇家狩獵場。vt. 在…造林；使長滿樹林，使成為森林。
  1. Should strengthen right young forest protection, young forest protective period is controlled 10 years commonly, this period can use drive to avoid agent, agent or machinery catch of all kinds raticide kill

    要加強對幼林的保護，幼林保護期一般10年左右，此期可使用驅避劑，各類殺鼠藥劑或機械捕殺。
  2. In a wind - eroded region, such measures as exploitation of water resources, water diversion for sand removal, planting of trees and growing of grass, installation of artificial sand - break and forest network shall be adopted to build a protective system for windbreak and sand - fixation, thereby controlling hazards of sand storms

    在風力侵蝕地區，應當採取開發水源、引水拉沙、植樹種草、設置人工沙障和網格林帶等措施，建立防風固沙防護體系，控制風沙危害。
  3. It decides the protective objectives for different ecological reserve area based on the study of channel wetlands and survey and analysis of top - grade species ( fishes ) of the yellow river : from the point of the basin, the main ecological protective objectives of the tipper stream are vegetation and forest for conservation of water supply ; soil and water conservation is the main in the middle reaches for vegetation protection and rehabilitation and ; the lower reaches takes types of wetlands protection and wetlands area maintenance as the main, protecting biodiversity and important birds resources

    在黃河河道濕地研究和黃河水體內頂級物種（魚類）的調查分析基礎上，確定了黃河不同類型生態保護區的生態保護目標：從流域角度而言，黃河上游的主要生態保護目標是植被和水源涵養林；中游應以水土保持為主，主要是恢復和保護植被；下游以保護濕地類型和維持濕地面積為重點，保護生物多樣性和重要鳥類資源。
  4. Arrangement of protective forest system in gulled - hilly loess area based on water balance

    基於水分平衡的黃土區小流域防護林體系高效空間配置
  5. At first, it made a detail sample survey of the geographical, environmental conditions and tourism market, ect of the forest park. based on it, it draws up a reasonable exploiting project and puts forward some protective measures. according to the plan, it analyses the investing, social, economic and ecological benefit

    第二部分是案例篇，以廣東惠州梁化森林公園遊人中心為規劃對象，首先調查分析了該地段的地理、經濟、環境、客源市場等基本情況，根據當地的特點，制定合理的開發方案，及開發后的保護措施。
  6. The chinese forest frogs belongs to the amphibian, which have exposed skins, have develop a series of protective mechanism gradually so as to resist the harmful circumstance factors during the long process of nature selection

    中國林蛙屬於水陸生活的兩棲類動物，皮膚裸露，長期的自然選擇過程中，為了抵禦有害環境因子的侵襲逐漸形成了一系列的保護機制。
  7. Study on protective effects of small network farm - shelter forest in sandy area of yellow river

    黃泛沙地小網格農田防護林網防護效應的研究
  8. According to the development requests of the beach, the forestry landscape system of the yellow river beach were divided into following function types : protection - conservation of water and soil - cushion forest, protection - conservation of water and soil - amusement and creation - biodiversity protective forests, the ornamental - amusement and creation - education - germplasm resources forest, the amusement and creation - leisure - watching forest, the economic - watching - amusement and rest forest, the ornamental - amusement and rest - education - biodiversity protective forests and so on

    根據灘地發展要求，結合黃河灘地景觀分區將黃河灘地林業景觀系統分為：防護水土保持緩沖林、防護水土保持遊憩生物多樣性保護林、觀賞遊憩教育種質資源林、遊憩休閑觀賞林、經濟觀賞遊憩林、觀賞遊憩教育生物多樣性保護林等復合功能類型，構建了有利於黃河灘地可持續發展的林業景觀系統。
  9. We studied the wintering birds community structure of mountainous secondary broadleaf forest in the natural protective area of zuojia, jilin province during the periods from november, 1989 to february, 1990 and from november, 2001 to february, 2002. we compare the changes of birds community for 12 years fore - and - aft

    我們於1989年11月? 1990年2月和2001年11月? 2002年2月，在吉林省左家自然保護區，對山地次生闊葉林冬季鳥類群落結構進行了研究，並對12年來的變化情況進行了比較。
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