{"id":153,"date":"2021-11-07T17:49:36","date_gmt":"2021-11-07T16:49:36","guid":{"rendered":"https:\/\/www.humus-form.eu\/?page_id=153"},"modified":"2023-08-24T16:35:40","modified_gmt":"2023-08-24T14:35:40","slug":"h-horizonte-durch-torfbildung-entstanden","status":"publish","type":"page","link":"https:\/\/www.humus-form.eu\/?page_id=153","title":{"rendered":"H-horizons"},"content":{"rendered":"\r\n
\r\n
\r\n

Hn
<\/strong>A H horizon of the topsoil with current peat formation from the dead remains of peat-forming mosses and peat-forming higher plants. In the fluctuating area of bog, stagnant water or groundwater and temporary overflow. The organic matter consists of extremely low to completely humified plant remains [n from n<\/strong>ew].<\/p>\r\n

    \r\n
  1. organic carbon content \u2265 15 mass % and<\/li>\r\n
  2. formed from the remains of peat-forming plants.<\/li>\r\n
  3. Saturated with water all year to predominantly saturated or flooded and<\/li>\r\n
  4. formed under predominantly anaerobic and only very briefly aerobic conditions and<\/li>\r\n
  5. peat formation through incomplete decomposition of plant remains and<\/li>\r\n
  6. dense elastic network of living, aerial plant roots or basal sections of mosses and<\/li>\r\n
  7. no segregation structure and<\/li>\r\n
  8. current vegetation dominated by peat-forming plants.<\/li>\r\n<\/ol>\r\n\r\n\r\n\r\n

    Modified Hn horizons<\/strong><\/p>\r\n\r\n\r\n\r\n

    Hfn<\/strong><\/p>\r\n

    A modified Hn horizon, peat-forming horizon, permanently waterlogged or flooded, predominantly anaerobic with very weak aerobic conditions due to aerial roots or water table fluctuations; very clearly recognisable plant structures in the extremely low or moderately humified peat [f from fibrum, f<\/strong>ibre].<\/p>\r\n

      \r\n
    1. organic carbon content \u2265 15 mass % and<\/li>\r\n
    2. formed from the remains of peat-forming plants.<\/li>\r\n
    3. Saturated with water all year to predominantly saturated or flooded and<\/li>\r\n
    4. formed under predominantly anaerobic and only very briefly aerobic conditions and<\/li>\r\n
    5. peat formation through incomplete decomposition of plant remains and<\/li>\r\n
    6. dense elastic network of living, aerial plant roots or basal sections of mosses and<\/li>\r\n
    7. no segregation structure and<\/li>\r\n
    8. current vegetation dominated by peat-forming plants.<\/li>\r\n
    9. degree of humification according to von Post H1 \u2013 H4<\/li>\r\n<\/ol>\r\n
      \r\n
      \"\"

      Hfn-horizon, extinct spagnum moss, low grade of humification, humus form:\u00a0 Dystric F-Moor,\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u00a9Gerhard Milbert<\/p><\/div>\r\n<\/blockquote>\r\n\r\n\r\n\r\n

      Hen
      <\/strong>A modified Hn horizon, peat-forming horizon, seasonally waterlogged or flooded, predominantly anaerobic with seasonally weakly aerobic conditions due to aerial roots and water table fluctuations; weakly to indistinctly recognisable plant structures in medium to highly humified peat [e from he<\/strong>mic].<\/p>\r\n

        \r\n
      1. organic carbon content \u2265 15 mass % and<\/li>\r\n
      2. formed from the remains of peat-forming plants.<\/li>\r\n
      3. Saturated with water all year to predominantly saturated or flooded and<\/li>\r\n
      4. formed under predominantly anaerobic and only very briefly aerobic conditions and<\/li>\r\n
      5. peat formation through incomplete decomposition of plant remains and<\/li>\r\n
      6. dense elastic network of living, aerial plant roots or basal sections of mosses and<\/li>\r\n
      7. no segregation structure and<\/li>\r\n
      8. current vegetation dominated by peat-forming plants.<\/li>\r\n
      9. degree of humification according to von Post H5 – H7<\/li>\r\n<\/ol>\r\n

        \u00a0<\/strong><\/p>\r\n\r\n\r\n\r\n

        Hhn<\/strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\r\n

        A modified Hn horizon, peat formation horizon, predominantly water-saturated or flooded during the course of the year, with intermittent aerobic conditions due to aerial roots and water level fluctuations or aeration; very indistinct or no longer recognisable plant structures in very highly or completely humified peat [h from completely h<\/strong>umified = sapric].<\/p>\r\n

          \r\n
        1. organic carbon content \u2265 15 mass % and<\/li>\r\n
        2. formed from the remains of peat-forming plants.<\/li>\r\n
        3. Saturated with water all year to predominantly saturated or flooded and<\/li>\r\n
        4. formed under predominantly anaerobic and only very briefly aerobic conditions and<\/li>\r\n
        5. peat formation through incomplete decomposition of plant remains and<\/li>\r\n
        6. dense elastic network of living, aerial plant roots or basal sections of mosses and<\/li>\r\n
        7. no segregation structure and<\/li>\r\n
        8. current vegetation dominated by peat-forming plants.<\/li>\r\n
        9. degree of humification according to von Post H8 – H10<\/li>\r\n<\/ol>\r\n
          \r\n
          \"\"<\/a>

          Fen with nHhn-horizon,
          waterhead of the river Eder, Gemany,
          \u00a9 Geological Survey North Rhine-Westphalia<\/p><\/div>\r\n<\/blockquote>\r\n\r\n\r\n\r\n

           <\/p>\r\n<\/div>\r\n<\/div>\r\n","protected":false},"excerpt":{"rendered":"

          HnA H horizon of the topsoil with current peat formation from the dead remains of peat-forming mosses and peat-forming higher plants. In the fluctuating area of bog, stagnant water or groundwater and temporary overflow. The organic matter consists of extremely … Weiterlesen →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":109,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"yoast_head":"\nH-horizons - Humus Form<\/title>\n<meta name=\"description\" content=\"Definition der humusformenrelevanten Torf-Horizonte, Hn, Hw, Hv, Hm,Horizont mit rezenter Torfbildung: Hn, Differenzierung der-H-Horizonte an der Bodenoberfl\u00e4che durch Differenzierung des Humifizierungsgrades in drei Stufen: Hfn gering huumifiziertr, Hen mittel bist stark humifieziert, hhn stark bis vollst\u00e4ndig humifiziert\" \/>\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=153\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H-horizons - 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