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- Forest vegetation types in Gutianshan Natural Reserve in Zhejiang. 浙江古田山自然保護區森林植被類(lèi)型。
- Use recyclale paper is also a way to protect forest resources. 使用再生紙也是保護森林資源的一個(gè)途徑.
- The zonal forest vegetation is subtropical evergreen broadleaved forest. 其中，亞熱帶常綠闊葉林為地帶性森林類(lèi)型。
- No organization and private individual shall divert the forest vegetation recovery payments. 任何單位和個(gè)人不得挪用森林植被恢復費。
- Remote Sensing Classification of Forest Vegetation Based on Artificial Neural Network. 基于人工神經(jīng)網(wǎng)絡(luò )的森林植被遙感分類(lèi)研究。
- Land desertification can develop so fast, the main reason is the devastation of forest vegetation by human. 土地沙漠化之所以迅速發(fā)展,主要原因是人類(lèi)對植被的破壞。
- We must put in practice a strict land management system and measures to protect forest and grasslands. 堅決實(shí)行最嚴格的土地管理制度和保護森林資源的措施。
- There are different species and dominant associations of vanessa in diffeerent types of forest vegetation. 在不同的森林植被類(lèi)型中,有著(zhù)不同的蛺蝶種類(lèi)和優(yōu)勢種群。
- Some strategics are proposed in the paper to restore and develop forest vegetation in this area. 并就如何恢復和發(fā)展森林植被，提出了一些對策。
- Rocky desertification of land is caused by many factors,and the main point is the destruction of forest vegetation. 石漠化土地是多種因素共同作用的結果,歸根結底是由于森林植被遭受破壞所致。
- A state environmental official, James L. Caswell, said that such logging would in general be intended to protect forest health and manage fire risks. 一個(gè)叫做JamesL.;Caswell的州環(huán)境官員說(shuō)這種開(kāi)采基本上會(huì )是出于森林保護和防火的目的。
- Forest vegetation impacts on runoff and sediment within nested experiment watersheds on the loess plateau in western Shanxi province. 晉西黃土區森林植被對嵌套流域徑流泥沙影響研究。
- Biomass and primary productivity of dominant species Aporosa yunnanensis and Blastus cochinchinensis of forest vegetation on Dinghu Mountain. 鼎湖山森林植被優(yōu)勢種云南銀柴和柏拉木的生物量及第一性生產(chǎn)力研究
- The community characteristics of evergreen broad-leaved forest are studied based on the investigation of the forest vegetation in Gutian Mountain Natural Reserve. 在對古田山自然保護區森林植被廣泛調查的基礎上,詳細分析了常綠闊葉林群落基本特征。
- The result shows that the forest vegetation in Gutian Mountain Natural Reserve has the typical characteristics of sub-tropical evergreen broad-leaved forest . 從該區森林植被的外貌特征、落結構和種類(lèi)組成上看,均具有我國典型亞熱帶常綠闊葉林的基本性質(zhì)。
- The result shows that the forest vegetation in Gutian Mountain Natural Reserve has the typical characteristics of sub-tropical evergreen broad-leaved forest. 從該區森林植被的外貌特征、群落結構和種類(lèi)組成上看,均具有我國典型亞熱帶常綠闊葉林的基本性質(zhì)。
- It is a basic national policy of China to plant trees, protect forests and improve the ecosystem. 植樹(shù)造林、保護森林、改善生態(tài)是中國的一項基本國策。
- But the specific impact range and degree of forest vegetation can not be determined strictly, and need long-term location observation in macro and micro aspects. 森林植被受礦區開(kāi)采的具體影響范圍和程度還不能?chē)栏竦卮_定，需要進(jìn)行長(cháng)期宏觀(guān)和微觀(guān)的定位觀(guān)測研究。
- The Baltimore oriole's appetite for caterpillars may help protect forests from some destructive pests. 巴爾的摩金鶯食用毛蟲(chóng)可能有助于保護森林從一些毀滅性害蟲(chóng)。
- Discussed to protect environmental problem and problem of protective forest belt (the treatment of deserted crosstie and processing problem) . 討論了保護環(huán)境問(wèn)題和保護林帶問(wèn)題（廢棄枕木的加工和處理問(wèn)題）。
