輪伐期 的英文怎麼說
中文拼音 [lúnfáqī]
輪伐期
英文
period of return-
According to the crown growth characteristics in industrial eucalyptus stand of short rotation, the unit step function model was put forward for the process with changing point of short rotation eucalyptus clones u6 based on the survey practical stands
摘要針對短輪伐期桉樹人工林林分冠幅生長的特點，在現實林分調查的基礎上，模擬提出了適合有變點的短輪伐期桉樹u6無性系林分冠幅生長階躍函數模型。Fifthly, the forest operators have high amount of tax and charge. finally, forestland property rights system need to improve. on the basis of above analysis, the paper combines the factual situation to put forward the policy suggestion through administrative, economic and legal aspect, such as realizing gross quantity control of forestland, fairly implementing the compensation system of forest ecological effectiveness, deepening the reform of forestland property rights system, establishing forestland price system, strengthening the construction of forestry legal system, expediting the six keystone forestry projects, depending on science to improve the forestland quality and so on
基於以上原因分析，結合我國的實際情況，從行政的、經濟的、法律的三個方面提出了以下政策建議： （ 1 ）實施林地總量控制制度； （ 2 ）公平實施森林生態效益補助政策； （ 3 ）深化林地產權制度改革； （ 4 ）建立林地可持續發展的價格體系； （ 5 ）加強林業法制建設，促進林地的可持續發展； （ 6 ）加快六大重點工程的實現，推動林地可持續發展； （ 7 ）科學營林，確定生態成熟期，適時輪伐，提高林地質量。Maximum efficiency is obtained by the continous reappraisal of the breading-value of each selected tree as it approaches rotation age.
只有到樹木接近輪伐期時，對所選的每株樹木的育種值，應作反復多次的評價，才有可能獲得最大的效益。Strengthen young forest cradle management, strict according to cradle cut regulations, fixed rotate carries out exercise
加強幼林的撫育治理，嚴格按照撫育採伐規程，定期輪換實施作業。分享友人