Genetic variation in boreal conifers
نویسندگان
چکیده
منابع مشابه
Controls over monoterpene emissions from boreal forest conifers.
We investigated controls over the emission of monoterpenes from two species of boreal forest conifers, black spruce (Picea mariana Miller (B.S.P.)) and jack pine (Pinus banksiana Lamb). Monoterpenes are important in plants as carbon-based defensive compounds and in the atmosphere as photochemically reactive compounds that affect ozone and carbon monoxide concentrations. We examined ecological t...
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The bark of boreal forest conifers has been traditionally used by Native Americans to treat various ailments and diseases. Some of these diseases involve reactive oxygen species (ROS) that can be prevented by the consumption of antioxidants such as phenolic compounds that can be found in medicinal plants. In this study, ultrasonic assisted extraction has been performed under various solvent con...
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1. The capacity to perform photosynthesis, given appropriate environmental conditions, is reflected by measurements of the maximum quantum yield of photosystem II ( F v / F m ). The seasonal course of F v / F m may help define the length of the annual photosynthetic period in temperate evergreen forests. 2. F v / F m was measured 31 times from September to May on six conifer species located alo...
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Density management decision-support systems (e.g., modular-based structural stand density management models (SSDMMs)), which are built upon the modeling platform used to develop stand density management diagrams, incorporate a number of functional relationships derived from forest production theory and quantitative ecology. Empirically, however, the ecological integrity of these systems has not...
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Background: Macrophage migration inhibitory factor (MIF) is a key pro-inflammatory cytokine that is secreted by active macrophages accumulated in ectopic tissue of endometriosis. It involves in pathophysiological events of endometriosis such as angiogenesis, cell proliferation and it can stimulate the synthesis of PGE2 that are necessary for survival and establishment of ectopic endometriosis t...
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ژورنال
عنوان ژورنال: Science
سال: 2020
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.368.6497.1325-c