Chinese fir plantation

Author: yyva

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 WebMay 24, 2024 · Ian M. Miller. May 24, 2024. The China fir ( shanmu, or Cunninghamia lanceolata) is a relict species from the late Mesozoic, a …

Ecosystem service multifunctionality of Chinese fir …

WebSep 16, 2024 · Collectively, the increase of topsoil quality during the life cycle of Chinese fir plantations is closely linked with the observed transition of fungal communities from … WebSep 30, 2024 · Since the early 1980s, in southern China, evergreen broad-leaved forests have been replaced by Chinese fir plantations on a large scale.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 … songs by avery sunshine

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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. WebOct 21, 2024 · The Chinese fir plantation stands were also selected as close to each other as possible to minimize variation among sites, which were no further than 4 km apart. The sampling was conducted using the same method as the earlier study by Selvaraj et al. (2024). In each stand, six plots (20 m × 20 m) were selected in an S-shape at mid-slope ... WebBased 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。 small fifth wheel campers australia

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WebMay 24, 2024 · The China fir (shanmu, or Cunninghamia lanceolata) is a relict species from the late Mesozoic, a tree from the age of the dinosaurs, a survivor of climate change that drove most of its near relatives to … 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 … small fiestaware bowlsWebJul 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 … songs by backstreet boys on youtube

"WebOct 1, 2011 · Summary Since the 1970s, a long-term research project has been conducted to monitor the changes in primary productivity of Chinese fir plantation at Huitong Ecosystem Research Station, Hunan, China. Standing biomass and net primary productivity (NPP) of the plantation were investigated at four times (7, 11, 14 and 18 years old) in … " - Chinese fir plantation

Chinese fir plantation

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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 … 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 …

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WebJan 15, 2024 · The study site is located in the National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem (26°41′50′′ – 26°47′08′′ N, 109°35′26′′ – 109°38′45′′ E) in Huitong county, Hunan Province, China. This area has a typical humid subtropical monsoon climate with mean annual air ... WebMar 13, 2024 · Chinese fir is a timber species that currently has the largest plantation area in China, and its annual harvest accounts for 20–30% of total commercial timber production 1. The systematic ...

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 … WebThe 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 ...

WebAffiliations 1 Faculty of Life Science and Technology, Central South University of Forestry and Technology, Changsha, China.; 2 Huitong National Station for Scientific Observation and Research of Chinese Fir Plantation Ecosystem in Hunan Province, Huitong, China.; 3 College of Resources and Environment, Hunan Agricultural University, Changsha, China. WebFeb 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.

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 …

WebJul 20, 2024 · The present results suggested that inorganic P may not be a limiting factor that affected bacterial biodiversity in the Chinese fir plantation. Soil microorganisms are sensitive to changes in soil pH (Dai et al. 2024). In our study, soil pH was higher in WDW and nWCW treatment compared with ASW treatment, which may be facilitated by … small fifth wheel campers 2022WebDec 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. songs by ashley monroeWebNov 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 … songs by baby birdWebChina 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 … small fifth wheel campers 2020WebMaintaining the P supply ability of Chinese fir plantation soil is essential for several reasons: to meet the tree P demand for rapid growth, to ensure high stand productivity, … songs by bachman turner overdriveWebThis project will invest 71.8 billion Yuan to establish 13.33 million hectare plantation forests in China. It is estimated that by 2015 the plantation resource in China will provide … songs by bacharach and davidWebApr 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 ... small fifth wheel campers uk