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Nov 2024, 17:41</li> <li>Alle Zeiten sind <span title="UTC+2">UTC+02:00</span></li> </ul> </div> </li> </ul> </div> <h2 class="posting-title"><a href="./viewtopic.php?t=86&sid=2c2cfe3cdc40db085ee46403c661639a">Der Boden als CO2-Speicher</a></h2> <form id="postform" method="post" action="./posting.php?mode=reply&sid=2c2cfe3cdc40db085ee46403c661639a&t=86"> <div class="panel" id="postingbox"> <div class="inner"> <h3>Antwort erstellen</h3> <fieldset class="fields1"> <dl style="clear: left;"> <dt><label for="username">Benutzername:</label></dt> <dd><input type="text" tabindex="1" name="username" id="username" size="25" value="" class="inputbox autowidth" /></dd> </dl> <dl> <dt><label for="email">E-Mail-Adresse:</label></dt> <dd><input type="email" tabindex="2" name="email" id="email" size="25" maxlength="100" value="" class="inputbox autowidth" title="E-Mail-Adresse" /></dd> </dl> <dl style="clear: left;"> <dt><label for="subject">Betreff:</label></dt> <dd> <input type="text" name="subject" id="subject" size="45" maxlength="124" tabindex="2" value="Re: Der Boden als CO2-Speicher" class="inputbox autowidth" /> </dd> </dl> <dl> <dt><label for="confirm_code">Bestätigungscode:</label></dt> <dd class="captcha captcha-image"><img src="./ucp.php?mode=confirm&confirm_id=c829eadd492bc65997b230c71900cf73&type=3&sid=2c2cfe3cdc40db085ee46403c661639a" alt="Bestätigungscode" /></dd> <dd><input type="text" name="confirm_code" id="confirm_code" size="8" maxlength="8" tabindex="3" class="inputbox narrow" title="Bestätigungscode" /> <input type="hidden" name="confirm_id" id="confirm_id" value="c829eadd492bc65997b230c71900cf73" /></dd> <dd>Gib den Code genau so ein, wie du ihn siehst; 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var rev_text = getElementById('review').getElementsByTagName('a').item(0).firstChild; if (rev_text.data == 'Ansicht\u0020erweitern'){rev_text.data = 'Zusammenklappen'; } else if (rev_text.data == 'Zusammenklappen'){rev_text.data = 'Ansicht\u0020erweitern'};">Ansicht erweitern</a></span> Die letzten Beiträge des Themas: Der Boden als CO2-Speicher </h3> <div id="topicreview" class="topicreview"> <script> bbcodeEnabled = 0; </script> <div class="post bg2"> <div class="inner"> <div class="postbody" id="pr413"> <h3><a href="#pr413">Re: Der Boden als CO2-Speicher</a></h3> <ul class="post-buttons"> <li> <a href="#postingbox" onclick="addquote(413, 'Cordula', 'hat\u0020geschrieben', {post_id:413,time:1243458350,user_id:77});" title="Zitat Cordula" class="button button-icon-only"> <i class="icon fa-quote-left fa-fw" aria-hidden="true"></i><span class="sr-only">Zitat Cordula</span> </a> </li> </ul> <p class="author"> <a href="./viewtopic.php?p=413&sid=2c2cfe3cdc40db085ee46403c661639a#p413" title=""> <i class="icon fa-file fa-fw icon-lightgray icon-md" aria-hidden="true"></i><span class="sr-only"></span> </a> von <strong><a href="./memberlist.php?mode=viewprofile&u=77&sid=2c2cfe3cdc40db085ee46403c661639a" class="username">Cordula</a></strong> » Mi 27. Mai 2009, 23:05 </p> <div class="content">Zur Zeit besteht eher die Gefahr, dass es umgekehrt läuft: Wenn in den arktischen Regionen der Permafrost-Boden auftaut, wird dort jede Menge Treibhausgas freigesetzt!</div> <div id="message_413" style="display: none;">Zur Zeit besteht eher die Gefahr, dass es umgekehrt läuft: Wenn in den arktischen Regionen der Permafrost-Boden auftaut, wird dort jede Menge Treibhausgas freigesetzt!</div> </div> </div> </div> <div class="post bg1"> <div class="inner"> <div class="postbody" id="pr237"> <h3><a href="#pr237">Re: Der Boden als CO2-Speicher</a></h3> <ul class="post-buttons"> <li> <a href="#postingbox" onclick="addquote(237, 'Bernd', 'hat\u0020geschrieben', {post_id:237,time:1242371969,user_id:119});" title="Zitat Bernd" class="button button-icon-only"> <i class="icon fa-quote-left fa-fw" aria-hidden="true"></i><span class="sr-only">Zitat Bernd</span> </a> </li> </ul> <p class="author"> <a href="./viewtopic.php?p=237&sid=2c2cfe3cdc40db085ee46403c661639a#p237" title=""> <i class="icon fa-file fa-fw icon-lightgray icon-md" aria-hidden="true"></i><span class="sr-only"></span> </a> von <strong><a href="./memberlist.php?mode=viewprofile&u=119&sid=2c2cfe3cdc40db085ee46403c661639a" class="username">Bernd</a></strong> » Fr 15. Mai 2009, 09:19 </p> <div class="content">In der Tat ist zum Beispiel Dauergrünland oder Sumpf- und Moorboden ein hervorragender Kohlenstoff-Speicher.<br> Wer will, kann ja mal ausrechnen, wieviel Kohlenstoff in einem ein Meter mächtigen Humus-Horizont steckt, wie er bei manchen Steppenböden vorkommt. Wenn wir aber in Zukunft eine ständig wachsende Weltbevölkerung unter immer ungünstigeren Klimabedingungen ernähren müssen, wird wohl kaum Fläche übrig bleiben, um solche Humusreserven anzulegen.</div> <div id="message_237" style="display: none;">In der Tat ist zum Beispiel Dauergrünland oder Sumpf- und Moorboden ein hervorragender Kohlenstoff-Speicher.<br />Wer will, kann ja mal ausrechnen, wieviel Kohlenstoff in einem ein Meter mächtigen Humus-Horizont steckt, wie er bei manchen Steppenböden vorkommt. Wenn wir aber in Zukunft eine ständig wachsende Weltbevölkerung unter immer ungünstigeren Klimabedingungen ernähren müssen, wird wohl kaum Fläche übrig bleiben, um solche Humusreserven anzulegen.</div> </div> </div> </div> <div class="post bg2"> <div class="inner"> <div class="postbody" id="pr176"> <h3><a href="#pr176">Der Boden als CO2-Speicher</a></h3> <ul class="post-buttons"> <li> <a href="#postingbox" onclick="addquote(176, 'Heinrich01', 'hat\u0020geschrieben', {post_id:176,time:1242226518,user_id:107});" title="Zitat Heinrich01" class="button button-icon-only"> <i class="icon fa-quote-left fa-fw" aria-hidden="true"></i><span class="sr-only">Zitat Heinrich01</span> </a> </li> </ul> <p class="author"> <a href="./viewtopic.php?p=176&sid=2c2cfe3cdc40db085ee46403c661639a#p176" title=""> <i class="icon fa-file fa-fw icon-lightgray icon-md" aria-hidden="true"></i><span class="sr-only"></span> </a> von <strong><a href="./memberlist.php?mode=viewprofile&u=107&sid=2c2cfe3cdc40db085ee46403c661639a" class="username">Heinrich01</a></strong> » Mi 13. Mai 2009, 16:55 </p> <div class="content">Hier ein interessanter Artikel aus der Schweiz (leider nur auf Englisch): <a href="http://www.inforesources.ch/p_news09_2_e.htm" class="postlink">http://www.inforesources.ch/p_news09_2_e.htm</a><br> Kann man den Boden in größerem Umfang als CO2-Speicher nutzen indem man den Anteil an organischer Substanz erhöht? Ist das realistisch?</div> <div id="message_176" style="display: none;">Hier ein interessanter Artikel aus der Schweiz (leider nur auf Englisch): http://www.inforesources.ch/p_news09_2_e.htm<br />Kann man den Boden in größerem Umfang als CO2-Speicher nutzen indem man den Anteil an organischer Substanz erhöht? 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