Effects of Close-to-Nature Conversion on Pinus massoniana Plantations at Different Stand Developmental Stages
نویسندگان
چکیده
منابع مشابه
Impact of understory vegetation on soil carbon and nitrogen dynamic in aerially seeded Pinus massoniana plantations
Understory vegetation plays a vital role in regulating soil carbon (C) and nitrogen (N) characteristics due to differences in plant functional traits. Different understory vegetation types have been reported following aerial seeding. While aerial seeding is common in areas with serious soil erosion, few studies have been conducted to investigate changes in soil C and N cycling as affected by un...
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Background and objectives: Pterocarya fraxinifolia Lam. is a deciduous, fast-growing tree from walnut family. The stem barks and fruits of the plant have been used as diaphoretic in traditional medicine. Variation in the quantity and quality of the essential oil and extract of stems of the plant at different developmental stages was evaluated in addition to assessing t...
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We show here, that activation of protein kinase C by the phorbol ester PMA improves barrier function in colon carcinoma (HT 29) cells. By contrast, in canine kidney (MDCK I) cells it caused increased permeability and opening of tight junctions; the latter has also been noticed in other studies. Thus, with PMA confluent HT 29 cells responded with a reduced passage of 330 kDa sodium fluorescein, ...
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In order to study the effects of different salinity levels on turnip (Brassica rapa L.), an investigation was conducted at Yasouj University, Iran, in 2010. The effects of four salinity levels including 1.92, 9.87, 19.6 and 21.94 ds m-1 (20:1 ratio of NaCl: CaCl2 in Hoagland solution) on germination, vegetative and maturity stages of turnip (Baherghan landrace) were investigated. The results re...
متن کاملSoil Microbial Community Structure and Metabolic Activity of Pinus elliottii Plantations across Different Stand Ages in a Subtropical Area
Soil microbes play an essential role in the forest ecosystem as an active component. This study examined the hypothesis that soil microbial community structure and metabolic activity would vary with the increasing stand ages in long-term pure plantations of Pinus elliottii. The phospholipid fatty acids (PLFA) combined with community level physiological profiles (CLPP) method was used to assess ...
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ژورنال
عنوان ژورنال: Tropical Conservation Science
سال: 2018
ISSN: 1940-0829,1940-0829
DOI: 10.1177/1940082918767953