共查询到20条相似文献,搜索用时 62 毫秒
1.
Juan Wang Zhijun Li Qiuhong Guo Guangpeng Ren Yuxia Wu 《Annals of Forest Science》2011,68(6):1143-1149
Backgroud
Populus euphratica Oliv., a long-lived woody perennial plant, is the only forest species naturally distributed in desert regions. Severe desertification has resulted in this species becoming endangered, and its populations are seriously fragmented in northwest China. 相似文献2.
• Context
Landscape structure is crucial for forest conservation in regions where the natural forest is fragmented. Practical conservation is currently shifting from local stands to a landscape perspective, although few studies have tested the relative effects of different spatial scales on plant species composition and diversity in forests. 相似文献3.
Javier Madrigal Eva Marino Mercedes Guijarro Carmen Hernando Carmen Díez 《Annals of Forest Science》2012,69(3):387-397
• Introduction
The abandonment of rural areas has led to an increase of the fire-prone European gorse (Ulex europaeus L.) communities in some regions, where prescribed burning is a technique applied to control them. Understanding flammability changes after treatments is crucial for the sustainable use of fire. 相似文献4.
• Introduction
We present a study on genetic variation in natural durability traits of young-aged Eucalyptus cladocalyx, a species adapted to temperate, low rainfall regions. Our motivation was the production of naturally durable posts for applications such as vine trellises, a sector dominated by heavy metal preservative-treated wood in some of the world’s main wine-producing countries. 相似文献5.
• Introduction
Commercial thinning (CT) could contribute to increase short-term tree growth and be beneficial in a cold climate, as in boreal regions. Thus, growth rate, ring density and flexural modulus of elasticity (MOE) of trees may change after CT. Moreover, mechanical wood properties vary with position in the tree, and there is a need to develop optimal log allocation strategies in order to allocate logs to their best use. 相似文献6.
Michela Nocetti Philippe Rozenberg Gilles Chaix Nicola Macchioni 《Annals of Forest Science》2011,68(8):1375-1383
• Context
Teak (Tectona grandis L.f.) is a tropical timber which is appreciated worldwide and has been planted into many regions of the tropics. It is essential to obtain information about provenance variation of basic wood properties in order to preserve the wood quality of end-products derived from future plantations. Figuring is one of the wood characteristics valued for panelling and furniture and it is an important parameter to evaluate the quality of teak wood. The ring structure affects within-ring and between-ring colour variation and, therefore, the figure of wood and the related aesthetical aspects. 相似文献7.
Annett Wolf 《Annals of Forest Science》2011,68(3):485-495
Introduction
Trees in two compartments of the mixed deciduous forest Draved Forest have been monitored regularly for 50 years. 相似文献8.
• Context
In July 2005, a wildfire occurred in windthrown spruce forests in High Tatra Mountains and damaged roughly 229 ha of previously clear-cut area. 相似文献9.
Freezing-induced loss of carbon uptake in a subtropical coniferous plantation in southern China 总被引:1,自引:0,他引:1
Wenjiang Zhang Huimin Wang Xuefa Wen Fengting Yang Zeqing Ma Xiaomin Sun Guirui Yu 《Annals of Forest Science》2011,68(6):1151-1161
• Context
In January 2008, a freeze in southern China, unprecedented in 50 years, severely affected local subtropical coniferous plantations. 相似文献10.
Introduction
Wood quality is an important criterion in the selection of superior genotypes when breeding for solid wood. 相似文献11.
David Paul Blackburn Matthew G. Hamilton Chris E. Harwood Trevor C. Innes Bradley M. Potts Dean Williams 《Annals of Forest Science》2011,68(7):1187-1195
• Introduction
There is increasing interest in managing Eucalyptus nitens plantations for sawn timber production. 相似文献12.
Synergistic use of very high-frequency radar and discrete-return lidar for estimating biomass in temperate hardwood and mixed forests 总被引:1,自引:0,他引:1
Asim Banskota Randolph H. Wynne Patrick Johnson Bomono Emessiene 《Annals of Forest Science》2011,68(2):347-356
• Introduction
Accurate estimation of aboveground biomass is essential to better understand the carbon cycle in forest ecosystems. 相似文献13.
Introduction
Extrapolating plot data to broader spatial scales depends largely on environmental heterogeneity. 相似文献14.
Drought and frost resistance of trees: a comparison of four species at different sites and altitudes
Katline Charra-Vaskou Guillaume Charrier Rémi Wortemann Barbara Beikircher Hervé Cochard Thierry Ameglio Stefan Mayr 《Annals of Forest Science》2012,69(3):325-333
Context
Drought and frost resistances are key factors for the survival and distribution of tree species. 相似文献15.
Victoria González-Rodríguez Rafael M. Navarro-Cerrillo Rafael Villar 《Annals of Forest Science》2011,68(3):637-646
Introduction
The limited ability of Quercus species to regenerate naturally in Mediterranean forests has led to the development of various artificial regeneration methods; however, there is no general consensus as to what specific method is the best one for this purpose. 相似文献16.
Iris Brémaud Yves El Kaïm Daniel Guibal Kazuya Minato Bernard Thibaut Joseph Gril 《Annals of Forest Science》2012,69(3):373-386
Context
Increased knowledge on diversity in wood properties would have implications both for fundamental research and for promoting a diversification of uses as material. 相似文献17.
Pedro Álvarez-Álvarez Elías Afif Khouri Asunción Cámara-Obregón Fernando Castedo-Dorado Marcos Barrio-Anta 《Annals of Forest Science》2011,68(3):497-509
• Background
The effects of foliar nutrients and environmental variables on site productivity in Maritime pine (Pinus pinaster Ait.) stands in Asturias (NW Spain) were studied. 相似文献18.
Yasutomo Hoshika Tomohiro Hajima Yo Shimizu Masayuki Takigawa Kenji Omasa 《Annals of Forest Science》2011,68(3):607-616
• Background
To assess ozone risks to temperate deciduous forest trees in East Asia, the stomatal ozone uptake was estimated based on a flux-based modeling approach. 相似文献19.
Frida I. Piper 《Annals of Forest Science》2011,68(2):415-424
• Introduction
One current explanation for worldwide drought-induced tree mortality states that reduced photosynthesis and continued respiration lead to carbon depletion and eventually to carbon starvation. 相似文献20.