Forestry development in Germany and China does not seem to be comparable due to differences in nature,politics,economy,society,culture and demographic situation,but the comparative study on these still has great impor...Forestry development in Germany and China does not seem to be comparable due to differences in nature,politics,economy,society,culture and demographic situation,but the comparative study on these still has great important theoretical and practical significance.Taking into account the significant differences between the two countries,a comparative analysis was carried out through following aspects from(1)forestry policies,strategies and programs,(2)legal regulatory,administrative and socio-economic framework conditions,(3)tools and provisions and other aspects of bilateral forest protection and sustainable forest management.Researches on forest protection and sustainable forest management framework were carried out by combination of forestry development and historical review discussion in order to learn from the German experiences to promote the development of China's forestry.展开更多
Variation in soil properties as a result of the conversion of the tropical rainforest to a monospecific plantation of teak,tectona grandis,was examined in Akure forest reserve in Southwestern Nigeria.Comparison was ma...Variation in soil properties as a result of the conversion of the tropical rainforest to a monospecific plantation of teak,tectona grandis,was examined in Akure forest reserve in Southwestern Nigeria.Comparison was made in the active rooting zone of 50 cm soil depth.It was discovered that there were no significant differences in the physical properties except in the value of organic matter content at the top 10 cm layer but chemical properties such as the pH and organic carbon changed significantly at the top 10 cm layer.Differences in other chemical properties,such as the available P,exchangeable cations K,Ca and Mg,the exchangeable acidity and the cation exchange capacity were minor.This showed that no nutrient was limiting or was likely to be limiting in the soil for subsequent short rotation of plantation development.展开更多
China is one of the largest countries in the world in terms of planted forests area.Planted forests play an important role in soil and water conservation,food source,timber supply and energy security,but there are sti...China is one of the largest countries in the world in terms of planted forests area.Planted forests play an important role in soil and water conservation,food source,timber supply and energy security,but there are still many problems waiting for immediate resolution.Based on the current development status of planted forest in China,the paper made an comprehensive analysis for the positive impact and existing problems with regard to planted forests,and then came up with policy recommendations for promoting sustainable management of planted forests,mainly including:1)to accelerate planted forests development and improve the quality;2)to strengthen the protection and management,and quicken the development of planted forests;3)to enhance the scientific planning for planted forests;4)to reinforce the management for forests harvesting so as to promote the reasonable utilization of planted forests;5)to perfect the management system for planted forest resources and improve the managerial capacity;6)to complete related laws and regulations and improve the policy guarantee system;7)to reinforce the forest tenure reform and establish a sound planted forest land transference system.Finally,the paper presented the future action framework for guiding the sustainable management of planted forests in China.展开更多
基金Supported by Special Fund of Public Welfare Industry of State Forestry Department(201204107)Special Fund of Humanity and Social Scientific Research program of Ministry of Education,P.R.China(09YJA910001)
文摘Forestry development in Germany and China does not seem to be comparable due to differences in nature,politics,economy,society,culture and demographic situation,but the comparative study on these still has great important theoretical and practical significance.Taking into account the significant differences between the two countries,a comparative analysis was carried out through following aspects from(1)forestry policies,strategies and programs,(2)legal regulatory,administrative and socio-economic framework conditions,(3)tools and provisions and other aspects of bilateral forest protection and sustainable forest management.Researches on forest protection and sustainable forest management framework were carried out by combination of forestry development and historical review discussion in order to learn from the German experiences to promote the development of China's forestry.
文摘Variation in soil properties as a result of the conversion of the tropical rainforest to a monospecific plantation of teak,tectona grandis,was examined in Akure forest reserve in Southwestern Nigeria.Comparison was made in the active rooting zone of 50 cm soil depth.It was discovered that there were no significant differences in the physical properties except in the value of organic matter content at the top 10 cm layer but chemical properties such as the pH and organic carbon changed significantly at the top 10 cm layer.Differences in other chemical properties,such as the available P,exchangeable cations K,Ca and Mg,the exchangeable acidity and the cation exchange capacity were minor.This showed that no nutrient was limiting or was likely to be limiting in the soil for subsequent short rotation of plantation development.
基金funded by FAO National Forest Programme Facility:Developing the National Guidelines on Responsible Management of Planted Forests in China(PR.No.38817)
文摘China is one of the largest countries in the world in terms of planted forests area.Planted forests play an important role in soil and water conservation,food source,timber supply and energy security,but there are still many problems waiting for immediate resolution.Based on the current development status of planted forest in China,the paper made an comprehensive analysis for the positive impact and existing problems with regard to planted forests,and then came up with policy recommendations for promoting sustainable management of planted forests,mainly including:1)to accelerate planted forests development and improve the quality;2)to strengthen the protection and management,and quicken the development of planted forests;3)to enhance the scientific planning for planted forests;4)to reinforce the management for forests harvesting so as to promote the reasonable utilization of planted forests;5)to perfect the management system for planted forest resources and improve the managerial capacity;6)to complete related laws and regulations and improve the policy guarantee system;7)to reinforce the forest tenure reform and establish a sound planted forest land transference system.Finally,the paper presented the future action framework for guiding the sustainable management of planted forests in China.
