{"id":198,"date":"2021-11-17T11:36:27","date_gmt":"2021-11-17T09:36:27","guid":{"rendered":"https:\/\/katkanature.fi\/?page_id=198"},"modified":"2021-12-09T10:26:41","modified_gmt":"2021-12-09T08:26:41","slug":"puiden-ian-arviointi","status":"publish","type":"page","link":"https:\/\/katkanature.fi\/?page_id=198","title":{"rendered":"Puiden i\u00e4n arviointi"},"content":{"rendered":"\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Estimating the age of a tree\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/m0ccuZoTeDQ?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group has-background\" style=\"background-color:#d7e68c\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\">V\u00e4h\u00e4ravinteisessa mets\u00e4maassa ja ankarammassa ilmastossa puut kasvavat huomattavasti hitaammin kuin paremmissa olosuhteissa. Huonolla kasvupaikalla kasvanut m\u00e4nty saattaa olla vain parimetrinen, mutta sen ik\u00e4 voi olla yli sata vuotta. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Nuorten m\u00e4ntyjen ik\u00e4 voidaan arvioida riitt\u00e4v\u00e4ll\u00e4 tarkkuudella laskemalla oksakiehkuroiden lukum\u00e4\u00e4r\u00e4 (katso kuva ohessa) yhteen ja lis\u00e4\u00e4m\u00e4ll\u00e4 siihen noin kolme vuotta. Suurikokoisten m\u00e4ntyjen arvioinnissa t\u00e4m\u00e4 keino muuttuu ep\u00e4tarkaksi, koska m\u00e4nty valokasvina pudottaa alimmat oksansa. <\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group has-background\" style=\"background-color:#fcfaee\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-full is-resized\"><img decoding=\"async\" src=\"https:\/\/katkanature.fi\/wp-content\/uploads\/2021\/11\/puun_ika.png\" alt=\"Kuva puusta ja sen kiehkuroista\" class=\"wp-image-199\" height=\"500\"\/><\/figure><\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group has-background\" style=\"background-color:#d7e68c\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\">T\u00e4ysikasvuisten puiden i\u00e4nm\u00e4\u00e4rityksess\u00e4 k\u00e4ytet\u00e4\u00e4nkin er\u00e4\u00e4nlaista onttoa poraa, joka porataan puun keskiosan l\u00e4pi. Saadusta n\u00e4ytteest\u00e4 on k\u00e4tev\u00e4 laske puun vuosirenkaat, sill\u00e4 siin\u00e4 erottuvat selv\u00e4sti nopeakasvuinen vaalea kev\u00e4tpuu ja hitaampikasvuinen kes\u00e4puu. Talvellahan puut eiv\u00e4t tietenk\u00e4\u00e4n kasva.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Arvioi ymp\u00e4rill\u00e4 olevan mets\u00e4n ik\u00e4!<\/strong><\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group has-background\" style=\"background-color:#fcfaee\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"532\" height=\"622\" src=\"https:\/\/katkanature.fi\/wp-content\/uploads\/2021\/12\/vuosirenkaat.png\" alt=\"Puun vuosirenkaat\" class=\"wp-image-719\"\/><\/figure>\n<\/div><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>V\u00e4h\u00e4ravinteisessa mets\u00e4maassa ja ankarammassa ilmastossa puut kasvavat huomattavasti hitaammin kuin paremmissa olosuhteissa. Huonolla kasvupaikalla kasvanut m\u00e4nty saattaa olla vain parimetrinen, mutta sen ik\u00e4 voi olla yli sata vuotta. Nuorten m\u00e4ntyjen ik\u00e4 voidaan arvioida riitt\u00e4v\u00e4ll\u00e4 tarkkuudella laskemalla oksakiehkuroiden lukum\u00e4\u00e4r\u00e4 (katso kuva ohessa) yhteen ja lis\u00e4\u00e4m\u00e4ll\u00e4 siihen noin kolme vuotta. Suurikokoisten m\u00e4ntyjen arvioinnissa t\u00e4m\u00e4 keino muuttuu ep\u00e4tarkaksi, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"parent":11,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-198","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/katkanature.fi\/index.php?rest_route=\/wp\/v2\/pages\/198","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/katkanature.fi\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/katkanature.fi\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/katkanature.fi\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/katkanature.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=198"}],"version-history":[{"count":6,"href":"https:\/\/katkanature.fi\/index.php?rest_route=\/wp\/v2\/pages\/198\/revisions"}],"predecessor-version":[{"id":768,"href":"https:\/\/katkanature.fi\/index.php?rest_route=\/wp\/v2\/pages\/198\/revisions\/768"}],"up":[{"embeddable":true,"href":"https:\/\/katkanature.fi\/index.php?rest_route=\/wp\/v2\/pages\/11"}],"wp:attachment":[{"href":"https:\/\/katkanature.fi\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=198"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}