forest tree breeding 中文意思是什麼
forest tree breeding
解釋
林木育種-
Forest tree genetics and breeding
林木遺傳育種學 -
The results showed that the total annual service value of forest ecosystem in yashushan natural reserve was up to 8. 9866 10 ^ 7 yuan ( rmb ), of which 7. 695 10 ^ 6 yuan for standing tree value, 1. 925 10 ^ 6 yuan for forest by - production, 7 10 ^ 5 yuan for cattle breeding, 2. 496 10 ^ 6 yuan for forest recreation, 3. 6805 10 ^ 7 yuan for water conservation, 5. 446 10 ^ 6 yuan for soil conservation, 1. 823 10 ^ 7 yuan for co2 absorption and o2 release, 1. 5732 10 ^ 7 yuan for environmental purification, 1. 37 10 ^ 5 yuan for nutrient storage, 7. 8 10 ^ 4 yuan for forest calamity prevention and 6. 24 10 ^ 5 yuan for gene resource
結果表明，寧化牙梳山自然保護區森林生態系統服務功能平均每年達8986 . 6萬元，其中各分項的生態服務功能價值為：活立木價值769 . 5萬元；林副產品價值192 . 5萬元；畜牧養殖價值70 . 0萬元；旅遊價值249 . 6萬元；涵養水源價值3680 . 5萬元；水土保持價值544 . 6萬元；固定co2和釋放o2價值1823 . 0萬元；凈化環境價值1573 . 2萬元；營養物質的循環和貯存價值13 . 7萬元；生物防害價值7 . 8萬元；基因資源價值62 . 4萬元。 -
The secondary forest breeding use birds nest - site resources vertically, they can be divided into nesting in tree coronal layer guild, nesting on tree trunk guild, nestig in the under forest layer guild
次生林繁殖鳥類對巢址資源呈現空間上的垂直利用現象，可分為樹冠層營巢、樹幹上營巢和林下層營巢繁殖集團。 -
At present, early test in tree breeding is often used in order to shorten breeding term and provide the excellent materials for forest production as soon as possible
目前為了盡快的縮短林木育種周期並為林業生產盡早地提供優良繁殖材料，經常採用的方法就是林木早期測定。 -
In this paper, the author summaried the mutational mechanism of low energy ion beam, the applications of it in forest tree, horticulture and flower breeding, and the applications of genetic transformation techniques mediated by low energy ion beam implantation
文中探討了低能離子束誘變的作用機理、低能離子束誘變技術在林木和園藝花卉育種中的應用以及離子束介導的遺傳轉化的應用。 -
Terminology of forest tree breeding and seed management
林木育種及種子管理術語
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