Item view 1-50981407

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Cover image
Header Card Description: Miten puu täällä pohjolassa tajuaa onko talvi vai kevät, vaikka se on aivoton kasvi? Näin pohjoisessa puiden on syytä pysyä talvilevossa satunnaisista lämpöjaksoista huolimatta tai käy köpelösti. Miten puu ymmärtää, että ei heittäydy keväiseen kasvuun liian aikaisin, koska voi paleltua? Toisaalta talveen sopeutuneet kasvit tarvitsevat riittävän kylmäkäsittelyn tai keväällä kasvu ei käynnisty. Kuinka ilmastonmuutos vaikuttaa puiden talvehtimiseen, sitäkin selvittävät Leena Mattila ja professori Kurt Fagerstedt Helsingin yliopistosta kevättalven tunnelmissa. Ohjelma on julkaistu Tiedeykkönen extra -sarjaan 8.3.2017 Card JSON { "controls": [ { "destination": { "type": "series", "uri": "yleareena://items/1-50981406" }, "icon": { "id": "chevron-left", "version": "1750676272" }, "style": { "iconPosition": "left", "variant": "tertiary" }, "tag": "series", "title": "Puiden biologinen kello", "type": "navigator" }, { "audience": { "authenticated": false }, "destination": { "authentication": [ "yle-api" ], "uri": "https://areena.api.yle.fi/v1/ui/controls/play/1-50981407?language=fi&v=10&client=yle-areena-web" }, "tag": "play", "type": "reference" }, { "audience": { "authenticated": true }, "destination": { "authentication": [ "yle-api" ], "uri": "https://areena.api.yle.fi/v1/ui/controls/play/1-50981407?language=fi&v=10&client=yle-areena-web" }, "tag": "play", "type": "reference" }, { "analytics": { "context": { "comscore": { "yle_referer": "radio.queue" } }, "pageload": { "comscore": { "countername": "radio.queue", "yle_ui_language": "fi" } } }, "destination": { "type": "program", "uri": "yleareena://items/1-50981407" }, "functionality": { "id": "queue" }, "tag": "queue", "type": "activator" }, { "analytics": { "context": { "comscore": { "yle_referer": "radio.share" } }, "pageload": { "comscore": { "countername": "radio.share", "yle_ui_language": "fi" } } }, "destination": { "type": "program", "uri": "yleareena://items/1-50981407" }, "functionality": { "id": "share" }, "icon": { "id": "share", "version": "1750676272" }, "style": { "iconPosition": "left", "variant": "tertiary" }, "title": "Jaa ohjelma", "type": "activator" }, { "analytics": { "context": { "comscore": { "yle_referer": "login" } }, "pageload": { "comscore": { "countername": "login", "yle_ui_language": "fi" } } }, "audience": { "authenticated": false }, "backgroundColor": "#00000000", "functionality": { "id": "login" }, "icon": { "id": "icon-favorite-off", "version": "1750676272" }, "style": { "iconPosition": "left", "variant": "tertiary" }, "title": "Lisää omalle listalle", "type": "activator" }, { "audience": { "authenticated": true }, "destination": { "authentication": [ "yle-api" ], "uri": "https://areena.api.yle.fi/v1/ui/controls/favorites/1-50981406?language=fi&v=10&client=yle-areena-web" }, "type": "reference" }, { "destination": { "uri": "https://yleawsaudioipv4.akamaized.net/mediaredirect/78-57e9bee21cb2435cad4fcff0f79bf7bd.mp3" }, "icon": { "id": "icon-download", "version": "1750676272" }, "tag": "downloadLink", "title": "Lataa tiedosto", "type": "navigator" } ], "description": "Miten puu täällä pohjolassa tajuaa onko talvi vai kevät, vaikka se on aivoton kasvi? Näin pohjoisessa puiden on syytä pysyä talvilevossa satunnaisista lämpöjaksoista huolimatta tai käy köpelösti. Miten puu ymmärtää, että ei heittäydy keväiseen kasvuun liian aikaisin, koska voi paleltua? Toisaalta talveen sopeutuneet kasvit tarvitsevat riittävän kylmäkäsittelyn tai keväällä kasvu ei käynnisty. Kuinka ilmastonmuutos vaikuttaa puiden talvehtimiseen, sitäkin selvittävät Leena Mattila ja professori Kurt Fagerstedt Helsingin yliopistosta kevättalven tunnelmissa.\n\nOhjelma on julkaistu Tiedeykkönen extra -sarjaan 8.3.2017\n", "image": { "id": "13-1-50981406-1635428746817", "version": "1731308737" }, "labels": [ { "formatted": "8 min", "priority": 0, "raw": "PT495S", "rawType": "duration", "type": "duration" }, { "formatted": "tiede", "priority": 0, "type": "generic" }, { "formatted": "luonto", "priority": 0, "type": "generic" }, { "formatted": "julkaistu\nke 8.3.2017", "priority": 1, "raw": "2017-03-08T16:45:00+02:00", "rawType": "date", "type": "releaseDate" }, { "formatted": "käynnistyskerrat\n12 581", "priority": 1, "type": "generic" }, { "formatted": "Ääniraidat: suomi stereo", "priority": 2, "type": "generic" }, { "formatted": "Kuunneltavissa ulkomailla", "priority": 2, "type": "generic" }, { "priority": 2, "raw": "world", "type": "region" }, { "priority": 2, "raw": "audio", "type": "mediaType" }, { "raw": "1-50981407", "type": "itemId" } ], "presentation": "onDemandCard", "type": "card" }
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Title Jakso 1: Miten koivu näkee onko valoisaa vai pimeää?
Type view