Chinese fir plantation

Author: hjgl

August undefined, 2024

WebChinese fir cultivation can be traced back to more than 1000 years (Wu 1984). Due to population increase, economic development and increasing demand for wood products, area under Chinese fir plantation rapidly increased to over 12 Mha in China (Chen et al. 2016). However, this increase was at the expense of natural forests, which were WebApr 12, 2024 · The pure Chinese fir (Cunninghamia lanceolata) forests account for the largest proportion of the area of plantations in southern China. Transforming pure Chinese fir forests into mixed forests through CTNFM is an important challenge, aimed at improving the quality of Chinese fir forests. ... M.Y. Study on canopy interception model and its ...

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WebSep 30, 2024 · Since the early 1980s, in southern China, evergreen broad-leaved forests have been replaced by Chinese fir plantations on a large scale. By analyzing the dynamic change characteristics of the landscape pattern of Chinese fir plantations in the case study, the paper explored the current status and development trend of the landscape pattern of … WebChinese fir (Cunninghanzia lanceolata) is a fast-growing species native to China, and has a very important status in production of commercial timber. In response to the growing need for timber, pure Chinese fir plantations have been extensively replanted on the same site in successive rotations, whi … bollyqueer

Forest conversion to plantations: A meta-analysis of ... - PubMed

WebSep 20, 2024 · Our results combined measures of temporal stability and multifunctionality, thereby providing valuable and timely insight into the multifunctional stability of … WebFeb 3, 2024 · Chinese fir (Cunninghamia lanceolata (Lamb.) Hook) is one of the most important tree species for afforestation in China. First-, second-, and third-generation seed orchards of Chinese fir have been established successively, and rich germplasms have been accumulated in the process of genetic improvement. It is necessary to build a core … WebChinese fir (Cunninghamia lanceolata) is a kind of evergreen coniferous tree species, the expansion of its pure forest area and multiple generations of continuous planting has led to a decline of stand quality and woodland fertility. To further investigate the relationship between leaf, litter, and soil stoichiometry, microbial community status, and microbial resource … bolly pdc

Construction of a Core Collection of Germplasms from Chinese Fir …

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WebDec 6, 2024 · Our study elucidated the controls on variations of SAS in Chinese fir-dominated plantations and demonstrated the benefit of converting pure Chinese fir plantation to multi-layered mixed plantations in increasing soil structural stability and improving site quality. WebFeb 3, 2024 · According to the results of China forestry development report in 2015, Chinese fir forest accounts for about 24% of China's total plantation area, reaching … glynn county ga developmentWebFeb 14, 2024 · The Chinese fir forests account for 60%–80% of the total area of timber plantations in southeast China and their annual timber production accounts for 20%–25% of the national commercial timber output . ... In Research on Site Degradation of Timber Plantation; Chinese Press of Science and Technology: Beijing, China, 1992; pp. 1–7. glynn county ga demographics

"WebIn this article, the author described the characteristics of productivity decline and soil degradation, and summed up the factors caused lower productivity, and analyzed the … " - Chinese fir plantation

Chinese fir plantation

WebNov 22, 2024 · We examined the variations in fine root traits of different branching orders and functional groups along a thinning intensity gradient in a 26-year-old Chinese fir ( … WebNov 21, 2012 · Root and leaf aqueous extracts from the 27-year-old Chinese fir plantation inhibited seedling growth significantly more than those from the 3-year-old Chinese fir …

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WebJun 26, 2024 · Today, the total plantation area of Chinese fir is approximately 9.9 × 10 6 ha, and its stock volume is 7.6 × 10 8 m 3, both ranking first among all plantations (SFA 2024). However, in recent decades, the soil quality and timber yield of Chinese fir plantations have decreased sharply because of continuous monoculture and clear cutting … WebDec 20, 2024 · The results were consistent with the inflection points above. This is slightly different from the results of Jian L’s study on the demarcation of Chinese fir plantation , which may be caused by the differences in tree planting area. The variation of MFA indicating that the maturity year of MFA was earlier than that of TL.

WebOct 28, 2024 · The Chinese fir plantation area is c. 11 million hectares, accounting for c. 12.9% of the plantation forest in China 11,12. The carbon storage of Chinese fir forests is 63.69 Tg accounting for 1.... WebFeb 28, 2024 · At present, Chinese fir plantation covers over 12 × 10 6 ha in China, accounting for approximately 24 and 6.5% of all forest plantation area in China and worldwide, respectively (FAO, 2006; Chen G.S. et al., 2013). Since the 1950s, the area of Chinese fir plantation has been greatly enlarged, in order to meet the rising demand for …

WebDec 21, 2024 · Because it shows rapid growth and high yields, Chinese fir has been widely planted in subtropical China and covers 24% of the plantation area nationwide (State Forestry Administration of China 2024) to satisfy the large demand for timber products. The trees in Chinese fir plantations are typically managed using short rotations followed by ... WebHuitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China. Correspondence. Liang Chen and Wenhua Xiang, Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha 410004, Hunan Province, China.

WebMar 3, 2024 · China fir, Chinese fir, コウヨウザン属 koyo-zan-zoku (Japanese), 杉木属 shanmu shu [Chinese], Chi Sa mộc [Vietnamese]. ... widely cultivated in plantation forestry, whereas exploitation of the …

WebOct 10, 2024 · Chinese fir [Cunninghamia lanceolata (Lamb.)Hook., Taxodiaceae] is a fast-growing native tree species that has been planted for timber production for over 1000 years in southern China (Ma and others 2007).The total area of Chinese fir plantations in China is around 8.95 × 10 6 ha, and their stock volume is 0.63 × 10 9 m 3 (State Forestry … bolly propellersWebSep 23, 2024 · Take 6-inch cuttings of softwood growth in the spring or summer. Remove the leaves on the bottom 2-3 inches of each cutting, ensuring that at least 2-3 leaves are … bolly props australiaWebThe results showed that, during the vegetation change from evergreen broadleaved forest to Chinese fir plantation, the microbial biomass carbon and the quantities of culturable bacteria and actinomyces were decreased. The total PLFAs, bacterial PLFAs, and fungi PLFAs in the woodland soil from Chinese fir plantation were decreased by 49.4%, 52.4 ... bolly propellers australiaWebJul 11, 2011 · The first rotations of Chinese fir plantation were planted in 1966 from clear-cut sites of natural broadleaved forests, such as Sassafras tzumu Hemsl, Cinnamomum camphora (L.) Presl, Liquidambar formosana Hance, Castanopsis fargesii Franch and Lithocarpus glaber (Thumb.) Nakai. All harvesting residues were burned on the clear-cut … bollyquilWebChina fir, (Cunninghamia lanceolata), coniferous evergreen timber tree of the cypress family (Cupressaceae), native to East Asia. The China fir may grow to a height of 50 metres (160 feet), with a circumference of about … glynn county ga building codeWebMay 24, 2024 · Ian M. Miller. May 24, 2024. The China fir ( shanmu, or Cunninghamia lanceolata) is a relict species from the late Mesozoic, a … glynn county ga detention center inmatesWebBased on the date collected from located observation, annual amount of litter and carbon release in its decomposition process were studied in Chinese fir plantation at Huitong, Hunan. 音圈马达118 根据定位信息在内部线路128中的闭环伺服控制器的控制下操作，而定位信息存在磁盘表面上专门的伺服字段中。 glynn county ga detention center