{"id":568,"date":"2021-11-24T16:31:27","date_gmt":"2021-11-24T15:31:27","guid":{"rendered":"https:\/\/www.humus-form.eu\/?page_id=568"},"modified":"2023-08-24T16:19:29","modified_gmt":"2023-08-24T14:19:29","slug":"f-rohhumus-streunutzungsrohhumus-xf","status":"publish","type":"page","link":"https:\/\/www.humus-form.eu\/?page_id=568","title":{"rendered":"Anthropogenically deteriorated humus forms"},"content":{"rendered":"<div class=\"html-p\"><b><span class=\"html-italic\">Anthropogenically degraded humus forms<\/span><\/b> (German: Streunutzungsrohhumus) are observed after long-term usage of the organic surface layers, which was practiced until the mid-20th century. This impact led to drastic changes in site conditions affecting pedogenic processes. In most cases, heathland developed on these devastated soils, and litter and even sods were further exported. The ecological properties of humus forms that develop under such conditions conform with few exceptions to the <span class=\"html-italic\">Mor<\/span> humus forms. They have the following characteristics:<\/div>\n<div class=\"html-p\">\n<ul class=\"html-disc\">\n<li>\n<div class=\"html-p\">Ol horizon und Of horizon are present, with strongly varying thickness;<\/div>\n<\/li>\n<li>\n<div class=\"html-p\">Of horizon is characterised by little organic fine material, which is layer-like felted and flexural;<\/div>\n<\/li>\n<li>\n<div class=\"html-p\">Oh horizon is missing or only is 0.5 to 1 cm thick in medium aged and old pine or spruce forests;<\/div>\n<\/li>\n<li>\n<div class=\"html-p\">Ah-Ee horizon (often semi- to entirely podzolised soils) has a low-to-medium organic matter content, has a coherent to single grain structure in most cases, and is relatively thin (frequently &lt; 3 cm);<\/div>\n<\/li>\n<li>\n<div class=\"html-p\">abrupt transition boundaries between Of horizon and Oh horizon, Oh horizon, and Ah-Ee horizon; and<\/div>\n<\/li>\n<li>\n<div class=\"html-p\">Of has a CN-ratio of mostly &gt;32, the N content is always &lt;1.7% weight, and the pH-KCl mostly &lt;pH 3.<\/div>\n<\/li>\n<\/ul>\n<\/div>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Anthropogenically degraded humus forms (German: Streunutzungsrohhumus) are observed after long-term usage of the organic surface layers, which was practiced until the mid-20th century. This impact led to drastic changes in site conditions affecting pedogenic processes. In most cases, heathland developed &hellip; <a href=\"https:\/\/www.humus-form.eu\/?page_id=568\">Weiterlesen <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":174,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.11 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Anthropogenically deteriorated humus forms - Humus Form<\/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:\/\/www.humus-form.eu\/?page_id=568\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Anthropogenically deteriorated humus forms - Humus Form\" \/>\n<meta property=\"og:description\" content=\"Anthropogenically degraded humus forms (German: Streunutzungsrohhumus) are observed after long-term usage of the organic surface layers, which was practiced until the mid-20th century. This impact led to drastic changes in site conditions affecting pedogenic processes. 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This impact led to drastic changes in site conditions affecting pedogenic processes. In most cases, heathland developed &hellip; Weiterlesen &rarr;","og_url":"https:\/\/www.humus-form.eu\/?page_id=568","og_site_name":"Humus Form","article_modified_time":"2023-08-24T14:19:29+00:00","twitter_card":"summary_large_image","twitter_misc":{"Gesch\u00e4tzte Lesezeit":"2 Minuten"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.humus-form.eu\/?page_id=568","url":"https:\/\/www.humus-form.eu\/?page_id=568","name":"Anthropogenically deteriorated humus forms - Humus Form","isPartOf":{"@id":"https:\/\/www.humus-form.eu\/#website"},"datePublished":"2021-11-24T15:31:27+00:00","dateModified":"2023-08-24T14:19:29+00:00","breadcrumb":{"@id":"https:\/\/www.humus-form.eu\/?page_id=568#breadcrumb"},"inLanguage":"de-DE","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.humus-form.eu\/?page_id=568"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.humus-form.eu\/?page_id=568#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Humus Forms","item":"https:\/\/www.humus-form.eu\/?page_id=113"},{"@type":"ListItem","position":2,"name":"Naturally and anthropogenically deteriorated humus form","item":"https:\/\/www.humus-form.eu\/?page_id=174"},{"@type":"ListItem","position":3,"name":"Anthropogenically deteriorated humus forms"}]},{"@type":"WebSite","@id":"https:\/\/www.humus-form.eu\/#website","url":"https:\/\/www.humus-form.eu\/","name":"Humus Form","description":"Working group humus forms,  German Soil Science Society","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.humus-form.eu\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"de-DE"}]}},"_links":{"self":[{"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=\/wp\/v2\/pages\/568"}],"collection":[{"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=568"}],"version-history":[{"count":9,"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=\/wp\/v2\/pages\/568\/revisions"}],"predecessor-version":[{"id":1282,"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=\/wp\/v2\/pages\/568\/revisions\/1282"}],"up":[{"embeddable":true,"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=\/wp\/v2\/pages\/174"}],"wp:attachment":[{"href":"https:\/\/www.humus-form.eu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=568"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}