{"id":918,"date":"2024-08-21T09:53:55","date_gmt":"2024-08-21T07:53:55","guid":{"rendered":"https:\/\/lehrpfad.umwelt-campus.de\/watercourses-and-fl-oodplains\/"},"modified":"2025-09-10T08:24:03","modified_gmt":"2025-09-10T06:24:03","slug":"watercourses-and-fl-oodplains","status":"publish","type":"page","link":"https:\/\/lehrpfad.umwelt-campus.de\/en\/watercourses-and-fl-oodplains\/","title":{"rendered":"Watercourses and floodplains"},"content":{"rendered":"\n<div class=\"wp-block-uagb-container uagb-block-ddf63a6a alignfull uagb-is-root-container\"><div class=\"uagb-container-inner-blocks-wrap\">\n<div class=\"wp-block-uagb-container uagb-block-d71b3bf5\">\n<h2 class=\"wp-block-heading\">Fascinating biodiversity in a comparatively small area<\/h2>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/lehrpfad.umwelt-campus.de\/wp-content\/uploads\/2025\/09\/222_1_eng.mp3\"><\/audio><\/figure>\n\n\n\n<p>The quartzite rock of the Hunsr\u00fcck carries the percolating rainwater through its fissures until it reaches the surface again, e.g. via seepage springs in slope areas. There, different types of wetlands generate, which can develop into streams if there is a strong, continuous flow of water.<\/p>\n\n\n\n<p>Streams \u2013 here the Steinaubach \u2013 are diverse and dynamic habitats with adapted species communities. Particularly characteristic of such streams is the regular succession of fast-flowing currents and zones with calmer currents. Each zone is characterised by very specific animal and plant species.<\/p>\n\n\n\n<p>Floodplains are natural flooding areas of rivers as well as streams and thus also important water retention areas. Pools generating in the floodplains are also important breeding and development sites as well as food sources for numerous insects, amphibians and birds.<\/p>\n\n\n\n<div class=\"wp-block-uagb-image uagb-block-22018a62 wp-block-uagb-image--layout-default wp-block-uagb-image--effect-static wp-block-uagb-image--align-none\"><figure class=\"wp-block-uagb-image__figure\"><img decoding=\"async\" srcset=\"https:\/\/lehrpfad.umwelt-campus.de\/wp-content\/uploads\/2025\/08\/222_grafik-1024x373.webp ,https:\/\/lehrpfad.umwelt-campus.de\/wp-content\/uploads\/2025\/08\/222_grafik-scaled.webp 780w, https:\/\/lehrpfad.umwelt-campus.de\/wp-content\/uploads\/2025\/08\/222_grafik-scaled.webp 360w\" sizes=\"auto, (max-width: 480px) 150px\" src=\"https:\/\/lehrpfad.umwelt-campus.de\/wp-content\/uploads\/2025\/08\/222_grafik-1024x373.webp\" alt=\"\" class=\"uag-image-349\" width=\"1024\" height=\"326\" title=\"222_grafik\" loading=\"lazy\" role=\"img\"\/><\/figure><\/div>\n\n\n\n<figure class=\"wp-block-audio\"><audio controls src=\"https:\/\/lehrpfad.umwelt-campus.de\/wp-content\/uploads\/2025\/09\/222_2_eng.mp3\"><\/audio><\/figure>\n\n\n\n<div class=\"wp-block-uagb-icon-list uagb-block-687fc1bc\"><div class=\"uagb-icon-list__wrap\">\n<div class=\"wp-block-uagb-icon-list-child uagb-block-b73cec43\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 256 512\"><path d=\"M256 448c0 17.67-14.33 32-32 32H32c-17.67 0-32-14.33-32-32s14.33-32 32-32h64V123.8L49.75 154.6C35.02 164.5 15.19 160.4 5.375 145.8C-4.422 131.1-.4531 111.2 14.25 101.4l96-64c9.828-6.547 22.45-7.187 32.84-1.594C153.5 41.37 160 52.22 160 64.01v352h64C241.7 416 256 430.3 256 448z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\">Woody plants at the sliding slope cool the stream with their shade and provide it with nutrients in the form of fallen leaves.<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-95a8dfc2\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 320 512\"><path d=\"M320 448c0 17.67-14.33 32-32 32H32c-13.08 0-24.83-7.953-29.7-20.09c-4.859-12.12-1.859-26 7.594-35.03l193.6-185.1c31.36-30.17 33.95-80 5.812-113.4c-14.91-17.69-35.86-28.12-58.97-29.38C127.4 95.83 105.3 103.9 88.53 119.9L53.52 151.7c-13.08 11.91-33.33 10.89-45.2-2.172C-3.563 136.5-2.594 116.2 10.48 104.3l34.45-31.3c28.67-27.34 68.39-42.11 108.9-39.88c40.33 2.188 78.39 21.16 104.4 52.03c49.8 59.05 45.2 147.3-10.45 200.8l-136 130H288C305.7 416 320 430.3 320 448z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\">Deadwood provides shelter for fish. Insect larvae also colonise lying logs and branches in streams.<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-15c20bfa\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 320 512\"><path d=\"M320 344c0 74.98-61.02 136-136 136H103.6c-46.34 0-87.31-29.53-101.1-73.48c-5.594-16.77 3.484-34.88 20.25-40.47c16.75-5.609 34.89 3.484 40.47 20.25c5.922 17.77 22.48 29.7 41.23 29.7H184c39.7 0 72-32.3 72-72s-32.3-72-72-72H80c-13.2 0-25.05-8.094-29.83-20.41C45.39 239.3 48.66 225.3 58.38 216.4l131.4-120.4H32c-17.67 0-32-14.33-32-32s14.33-32 32-32h240c13.2 0 25.05 8.094 29.83 20.41c4.781 12.3 1.516 26.27-8.203 35.19l-131.4 120.4H184C258.1 208 320 269 320 344z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\">Scours are deeply scoured areas behind obstructions (e.g. dead wood or rocks) where fish can seek shelter and survive periods of very low water levels.<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-28a58e6d\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 384 512\"><path d=\"M384 334.2c0 17.67-14.33 32-32 32h-32v81.78c0 17.67-14.33 32-32 32s-32-14.33-32-32v-81.78H32c-10.97 0-21.17-5.625-27.05-14.89c-5.859-9.266-6.562-20.89-1.875-30.81l128-270.2C138.6 34.33 157.8 27.56 173.7 35.09c15.97 7.562 22.78 26.66 15.22 42.63L82.56 302.2H256V160c0-17.67 14.33-32 32-32s32 14.33 32 32v142.2h32C369.7 302.2 384 316.6 384 334.2z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\">In areas of the stream with calmer currents, aquatic plants grow, which in turn provide habitat for dragonfly larvae and many juvenile fish.<\/span><\/div>\n\n\n\n<div class=\"wp-block-uagb-icon-list-child uagb-block-e3829960\"><span class=\"uagb-icon-list__source-wrap\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 320 512\"><path d=\"M320 344.6c0 74.66-60.73 135.4-135.4 135.4H104.7c-46.81 0-88.22-29.83-103-74.23c-5.594-16.77 3.469-34.89 20.23-40.48c16.83-5.625 34.91 3.469 40.48 20.23c6.078 18.23 23.08 30.48 42.3 30.48h79.95c39.36 0 71.39-32.03 71.39-71.39s-32.03-71.38-71.39-71.38H32c-9.484 0-18.47-4.203-24.56-11.48C1.359 254.5-1.172 244.9 .5156 235.6l32-177.2C35.27 43.09 48.52 32.01 64 32.01l192 .0049c17.67 0 32 14.33 32 32s-14.33 32-32 32H90.73L70.3 209.2h114.3C259.3 209.2 320 269.1 320 344.6z\"><\/path><\/svg><\/span><span class=\"uagb-icon-list__label\">In the diverse gap space of the streambed (e.g. gravel banks), eggs and larvae of river trout develop. Also numerous invertebrate organisms such as crayfish, mussels, worms and insect larvae also live there.<\/span><\/div>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-uagb-container uagb-block-e9c5f59b\">\n<div class=\"wp-block-uagb-info-box uagb-block-a99f778a uagb-infobox__content-wrap  uagb-infobox-icon-above-title uagb-infobox-image-valign-top hinweisbox\"><div class=\"uagb-ifb-content\"><div class=\"uagb-ifb-icon-wrap\"><div class=\"uagb-iconbox-icon-wrap uagb-infobox-shape-circle\"><svg xmlns=\"https:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 384 512\"><path d=\"M112.1 454.3c0 6.297 1.816 12.44 5.284 17.69l17.14 25.69c5.25 7.875 17.17 14.28 26.64 14.28h61.67c9.438 0 21.36-6.401 26.61-14.28l17.08-25.68c2.938-4.438 5.348-12.37 5.348-17.7L272 415.1h-160L112.1 454.3zM191.4 .0132C89.44 .3257 16 82.97 16 175.1c0 44.38 16.44 84.84 43.56 115.8c16.53 18.84 42.34 58.23 52.22 91.45c.0313 .25 .0938 .5166 .125 .7823h160.2c.0313-.2656 .0938-.5166 .125-.7823c9.875-33.22 35.69-72.61 52.22-91.45C351.6 260.8 368 220.4 368 175.1C368 78.61 288.9-.2837 191.4 .0132zM192 96.01c-44.13 0-80 35.89-80 79.1C112 184.8 104.8 192 96 192S80 184.8 80 176c0-61.76 50.25-111.1 112-111.1c8.844 0 16 7.159 16 16S200.8 96.01 192 96.01z\"><\/path><\/svg><\/div><\/div><div class=\"uagb-ifb-title-wrap\"><h3 class=\"uagb-ifb-title\">Tips and measures<\/h3><\/div><div class=\"uagb-ifb-separator\"><\/div><p class=\"uagb-ifb-desc\">Preserve riparian woody plants and do not exploit the marginal strips of the water bodies<br><br>Do not remove water, especially during dry periods<\/p><\/div><\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Watercourses<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>with their floodplains link different habitats as \u201elifelines of nature\u201c and are therefore important for the migration and spread of species.<\/li>\n\n\n\n<li>enable enormous species richness due to the diversity of the habitat, which is characterised by different currents, water depths, grain sizes of sediments, shading, dead wood, etc.<\/li>\n\n\n\n<li>cool adjacent habitats in summer through evaporation.<\/li>\n<\/ul>\n<\/div>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Your location:<\/h2>\n\n\n    <div id=\"map_69e900584b689\" style=\"height: 400px; margin: 20px 0;\"><\/div>\n    <script>\n    document.addEventListener('DOMContentLoaded', function () {\n        var map = L.map('map_69e900584b689').setView([49.61115892504491, 7.175042219206199], 15);\n\n        \/\/ OSM Layer\n        L.tileLayer('https:\/\/{s}.tile.openstreetmap.org\/{z}\/{x}\/{y}.png', {\n            attribution: '&copy; OpenStreetMap contributors'\n        }).addTo(map);\n\n        \/\/ Icon f\u00fcr aktuelles Schild (blau, normal)\n        var currentIcon = L.icon({\n            iconUrl: 'https:\/\/unpkg.com\/leaflet@1.9.4\/dist\/images\/marker-icon.png',\n            shadowUrl: 'https:\/\/unpkg.com\/leaflet@1.9.4\/dist\/images\/marker-shadow.png',\n            iconSize: [25, 41],\n         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