{"id":10332,"date":"2019-08-30T11:32:59","date_gmt":"2019-08-30T14:32:59","guid":{"rendered":"https:\/\/blog.mindthegraph.com\/?p=10332"},"modified":"2022-10-18T08:23:55","modified_gmt":"2022-10-18T11:23:55","slug":"underground-network-keeps-rainforests","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/nb\/underjordisk-nettverk-bevarer-regnskogen\/","title":{"rendered":"Det underjordiske nettverket som holder regnskogen i live"},"content":{"rendered":"<p style=\"text-align: justify;\">Vi kan se regnskogenes enorme utstrekning n\u00e5r vi ser p\u00e5 bilder av tretoppene tatt av droner. Men for \u00e5 opprettholde alt dette livet finnes det et underjordisk nett som vi ikke ser, og som mange ikke kjenner til. Ja, jeg snakker om mykorrhizasopp. Selv for forskere er disse aspektene av livet stort sett ukjente.<\/p>\n<p style=\"text-align: justify;\">I 2019 har forskere for f\u00f8rste gang kartlagt de\u00a0<a href=\"https:\/\/doi.org\/10.1038\/s41586-019-1128-0\" target=\"_blank\" rel=\"noopener\">global fordeling av tre hovedgrupper<\/a>\u00a0av disse mikrobene. Forfatterne <em>&#8220;generate a spatially explicit global map of the symbiotic status of forests, using a database of over 1.1 million forest inventory plots that collectively contain over 28,000 tree species&#8221;.<\/em><\/p>\n<p style=\"text-align: justify;\">De to typene skiller seg fra hverandre ved at ektomykorrhizasoppenes hyfer ikke trenger inn i de enkelte cellene i roten, mens endomykorrhizasoppenes hyfer trenger inn i celleveggen og invaginerer cellemembranen.<\/p>\n<p style=\"text-align: justify;\">Endomykorrhiza dominerer i \u00e5rstidsbestemte, varme regnskoger. Symbiosen mellom planter og mikroorganismer er ogs\u00e5 sv\u00e6rt viktig for planter i sesongmessig kaldt og t\u00f8rt klima.  Det er den dominerende formen for symbiose p\u00e5 h\u00f8ye breddegrader og i h\u00f8yden.<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/mindthegraph.com\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-10342\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2019\/08\/ectomycorrhizae.png\" alt=\"ektomykorrhiza\" width=\"760\" height=\"400\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/08\/ectomycorrhizae.png 760w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/08\/ectomycorrhizae-300x158.png 300w\" sizes=\"(max-width: 760px) 100vw, 760px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">Den gigantiske\u00a0<em>Armillaria solidipes<\/em>\u00a0(honningsopp) regnes som den st\u00f8rste organismen p\u00e5 jorden, og den sprer seg over mer enn 2 000 hektar med underjordisk jord i det \u00f8stlige Oregon; den ansl\u00e5s \u00e5 v\u00e6re minst 2 400 \u00e5r gammel.<\/p>\n<p style=\"text-align: justify;\"><img decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/usercontent1.hubstatic.com\/14253532_f520.jpg\" alt=\"Resultado de imagem para Armillaria solidipes st\u00f8rst\" \/><\/p>\n<h3 style=\"text-align: center;\"><strong>\u00a0Ikke misforst\u00e5. Soppene er ikke passive medhjelpere for plantene. De er mektige og dynamiske.<\/strong><\/h3>\n<p style=\"text-align: justify;\">They can get the nutrients that plants needed from the soil. It means phosphorus especially, but also nitrogen. Moreover, there is evidence that microbes help plants\u00a0to access water from soil as well. So with this huge importance for life maintenance, we need to know more about them that we know right now. However, microbes are, of course, microscopic living under the soil while there is millions of colorful and vibrant plants and animals to see.<\/p>\n<p style=\"text-align: justify;\">Det er heller ikke et enkelt emne \u00e5 studere: noen arter vokser ikke i laboratoriet. Dessuten g\u00e5r nettverket lett i stykker n\u00e5r vi pr\u00f8ver \u00e5 trekke det ut av jorda. Noen av dem har ikke \"celler\", men kjerner med DNA deles mellom celler, noe som skaper nettverk som kan v\u00e6re kilometerlange. Du kan v\u00e6re enig med meg i at det finnes mange unnskyldninger for v\u00e5r mangel p\u00e5 kunnskap om mykorrhizasopp.<\/p>\n<h3 style=\"text-align: justify;\"><strong>Men rundt 80% av dagens landplanter danner partnerskap med sopp, mens andre igjen samarbeider med bakterier.<\/strong><\/h3>\n<p style=\"text-align: justify;\">Og det er ingen som har sagt at det er lett \u00e5 v\u00e6re forsker.<\/p>\n<p style=\"text-align: justify;\">A <a href=\"https:\/\/www.cell.com\/current-biology\/fulltext\/S0960-9822(19)30490-7\" target=\"_blank\" rel=\"noopener\">ny artikkel publisert i juni<\/a> bringer nytt lys over sp\u00f8rsm\u00e5let. Matthew Whiteside og kollegene hans gj\u00f8r det mulig \u00e5 visualisere det usynlige. De har\u00a0<em>utviklet en kvanteprikk-sporingsteknikk som gjorde det mulig for oss \u00e5 spore handelen med fluorescensmerket fosfor i verdens kanskje mest utbredte handelssamarbeid: mutualismen mellom arbuskul\u00e6re mykorrhizasopper og landplanter.\u00a0<\/em><em>Ved \u00e5 merke fosfor med h\u00f8yfluorescerende nanopartikler i ulike farger kunne vi f\u00f8lge ressursenes bevegelse fra opprinnelsesstedet, over en sopp og inn i vertsroten.<\/em><\/p>\n<p style=\"text-align: justify;\">The fungus mobilizes and collects phosphorus from the soil and trades this commodity with its host plants for carbon in a market-like exchange.\u00a0The authors\u00a0wanted to see how the the fungi respond to varying levels of resource inequality. This study has evidences that fungi aren&#8217;t just passive nutrient traders, but information processors.<\/p>\n<p style=\"text-align: justify;\">Quanta Magazine publiserte en komplett og interessant <a href=\"https:\/\/www.quantamagazine.org\/soils-microbial-market-shows-the-ruthless-side-of-forests-20190827\/\" target=\"_blank\" rel=\"noopener\">artikkel<\/a>\u00a0om den. Forfatteren er Gabriel Popkin. La meg gi deg en spoiler av artikkelen:\u00a0<em>\"Det som virkelig kjennetegner soppverdenen, er dens mangfold og kompleksitet. En skje jord inneholder flere mikrobielle individer enn det finnes mennesker p\u00e5 jorden. \"Det er det mest artstette habitatet vi har\", sier Edith Hammer, jord\u00f8kolog ved Lunds universitet i Sverige. En enkelt plante kan utveksle molekyler med dusinvis av sopper - som i sin tur kan ha sex med et like stort antall planter. Det er en promisku\u00f8s fest der nede.\"<\/em><\/p>\n<p style=\"text-align: justify;\">In\u00a0the\u00a0awesome video below you can watch\u00a0materials streaming through living fungal hyphae. The direction of the streaming changes because the fungus redirects the flow of nutrients, seemingly strategically, in response to environmental conditions. The video is a courtesy of\u00a0Courtesy of Toby Kiers to Quanta Magazine Channel:<\/p>\n<p><center><iframe loading=\"lazy\" title=\"Hyphal Streaming\" width=\"800\" height=\"450\" src=\"https:\/\/www.youtube.com\/embed\/E_Cy7KkwmWU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe><\/p>\n<p><\/center><\/p>\n<p style=\"text-align: justify;\">Vi vet hvor viktig dette emnet er, og derfor har vi laget flere illustrasjoner av sopp. S\u00e5 hvis du vil forklare det til studenter, kolleger eller venner, kan du bruke dem!<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/mindthegraph.com\/templates\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-10345\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2019\/08\/preview_118301.png\" alt=\"forh\u00e5ndsvisning_118301\" width=\"640\" height=\"480\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/08\/preview_118301.png 640w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/08\/preview_118301-300x225.png 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/mindthegraph.com\/templates\/\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-10346\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2019\/08\/preview_118302.png\" alt=\"forh\u00e5ndsvisning_118302\" width=\"640\" height=\"480\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/08\/preview_118302.png 640w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2019\/08\/preview_118302-300x225.png 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><\/p>\n<p style=\"text-align: justify;\">So, let&#8217;s improve communication in science together! Are you ready to give a try?<\/p>\n<p style=\"text-align: justify;\"><a href=\"https:\/\/mindthegraph.com\"><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6577\" src=\"https:\/\/blog.mindthegraph.com\/wp-content\/uploads\/2017\/01\/start_get-mind-the-graph-medical-illustrations.png\" alt=\"tenk p\u00e5 grafen vitenskapelige illustrasjoner\" width=\"310\" height=\"100\" srcset=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/01\/start_get-mind-the-graph-medical-illustrations.png 310w, https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2017\/01\/start_get-mind-the-graph-medical-illustrations-300x97.png 300w\" sizes=\"(max-width: 310px) 100vw, 310px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Vi kan se regnskogenes enorme utstrekning n\u00e5r vi ser p\u00e5 bilder av tretoppene tatt av droner. Men for \u00e5 opprettholde alt dette livet finnes det et underjordisk nett som vi ikke ser, og som mange ikke kjenner til. Ja, jeg snakker om mykorrhizasopp. Selv for forskere er disse aspektene av livet stort sett ukjente. [...]<\/p>","protected":false},"author":11,"featured_media":10349,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"image","meta":[],"categories":[959,28],"tags":[345,302,219,346,554,775,342],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>The underground network that keeps rainforests alive - Mind the Graph Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/nb\/underjordisk-nettverk-bevarer-regnskogen\/\" \/>\n<meta property=\"og:locale\" content=\"nb_NO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"The underground network that keeps rainforests alive - Mind the Graph Blog\" \/>\n<meta property=\"og:description\" content=\"We can see the immensity of rainforests looking at pictures of the tree tops take by drones. But to sustain all this life there is an underground web, that we don&#8217;t see and many people don&#8217;t know about. Yes, I am talking about mycorrhizal fungi. Even for scientists these aspects of life remains mostly unknown. 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