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Economic Importance of Bryophytes - Evolution of Plants - Lecture Slides

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Post: January 2nd, 2013
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Economic Importance of Bryophytes, Liverworts and Hornworts, Glomeromycota, Sphagnidae, Sphagnum Dressings, Important in Hydrodynamics, Bog Formation, Sphagnum Ion-Exchange Mechanism are the important key points of lecture slides of Evolution of Plants.
Economic Importance of Bryophytes, Liverworts and Hornworts, Glomeromycota, Sphagnidae, Sphagnum Dressings, Important in Hydrodynamics, Bog Formation, Sphagnum Ion-Exchange Mechanism are the important key points of lecture slides of Evolution of Plants.
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Economic Importance of Bryophytes I. Liverworts and hornworts: not much! (but many contain Nfixing cyanobacteria, important in ecosystem nutrient availability; some are mycorrhizal with Glomeromycota) II. SPHAGNIDAE: "economic" importance • 1. Important in hydrodynamics of large areas of especially northern hemisphere - bogs and “muskeg”. • 2. Sphagnum dressings, in medicine, shoes and diapers • III. Other mosses, various other uses Docsity.com BOG FORMATION • a) open pond, slow-moving stream: margins with floating aquatics, especially Carex spp. with roots anchored in Sphagnum • b) Sphagnum builds above (growth) and below (death and deposition) water-line; enables margin to grow inwards • c) increased Sphagnum growth allows colonization of mat by bog shrubs, and eventually conifers such as black spruce & tamarack Docsity.com Bog Formation II • d) continued encroachment of water surface by floating bog mat may eventually cover surface if disturbance is slight. W..

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