tag:blogger.com,1999:blog-1560783557407594082024-03-12T18:50:22.089-07:00Macam-macam Daur Biogeokimiaryno's bloghttp://www.blogger.com/profile/14915329234588089295noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-156078355740759408.post-28459980078364623702008-12-10T09:01:00.000-08:002008-12-12T07:27:45.870-08:00Aliran Energi<a onblur="try {parent.deselectBloggerImageGracefully();} catch(e) {}" href="http://2.bp.blogspot.com/_94dHT5_BPt4/ST_30fGn3HI/AAAAAAAAAAo/_kEES9MsM7k/s1600-h/29102008146_filtered.jpg"><img style="margin: 0pt 10px 10px 0pt; float: left; cursor: pointer; width: 200px; height: 195px;" src="http://2.bp.blogspot.com/_94dHT5_BPt4/ST_30fGn3HI/AAAAAAAAAAo/_kEES9MsM7k/s320/29102008146_filtered.jpg" alt="" id="BLOGGER_PHOTO_ID_5278209769376046194" border="0" /></a>
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Aliran Energi<o:p></o:p></span></p> <p class="MsoNormal" style="margin-left: 36pt; text-indent: -36pt; line-height: 150%; font-family: times new roman;"><span style="line-height: 150%;font-size:100%;" lang="EN-GB"><span style=""> </span></span><span lang="EN-GB" style="font-size:100%;">Aliran energi merupakan rangkaian urutan pemindahan bentuk energi yang lain dimulai dari sinar matahari lalu ke produsen, ke konsumen primer, ke konsumen tinggi, sampai ke saproba. Daur materi dan aliran energi ini berlangsung di ekosistem.</span></p> <p class="MsoNormal" style="margin-left: 36pt; text-indent: -36pt; line-height: 150%; font-family: times new roman;"><span lang="EN-GB" style="font-size:100%;"><span style=""> </span>Pelaksanaan perpindahan energi itu berlangsung melalui peristiwa makan dan dimakan sehingga membentuk suatu rantai makanan, jaring-jaring makanan, dan piramida makanan.</span></p> <p class="MsoNormal" style="margin-left: 36pt; text-indent: -36pt; line-height: 150%; font-family: times new roman;"><span lang="EN-GB" style="font-size:100%;">a. Rantai makanan</span></p> <p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%; font-family: times new roman;"><span lang="EN-GB" style="font-size:100%;"><span style=""> </span><span style=""> </span>Rantai makanan merupakan serangkaian proses makan dan dimakan yang sederhana, membentuk semacam rantai yang disebut rantai makanan.</span></p> <p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%; font-family: times new roman;"><span lang="EN-GB" style="font-size:100%;">b. Jaring- jaring makanan</span></p> <p class="MsoNormal" style="margin-left: 18pt; text-indent: -18pt; line-height: 150%; font-family: times new roman;"><span lang="EN-GB" style="font-size:100%;"><span style=""> </span>Jaring-jaring makanan merupakan proses makan dan dimakan yang terdiri dari beberapa rantai makanan. Sejumlah rantai makanan berhubungan satu dengan lainya sehingga membentuk suatu jaring-jaring makanan, seperti berikut ini:</span></p> <p class="MsoNormal" style="line-height: 150%; font-family: times new roman;"><span lang="EN-GB" style="font-size:100%;">c. Piramida Ekologi</span></p> <p class="MsoNormal" style="margin-left: 9pt; text-indent: 27pt; line-height: 150%; font-family: times new roman;"><span lang="EN-GB" style="font-size:100%;">Dalam tingkatan makanan atau tingkat trofok, khususnya produsen dan konsumen, dapat di tentukan berdasarkan jumlah individunya, biomassanya, atau kandung energinya sehingga membentuk suatu piramida yang di sebut piramida makanan atau piramida ekologi. 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Biomassa biasanya dinyatakan dengan berat kering persatuan luas ekosistem. Perhatikan contoh piramida dari ekosistem danau ini.</span></p> <ul style="font-family: times new roman;"><li><!--[if !supportLists]--><span lang="EN-GB" style="font-size:100%;"><span style=""><span style=""> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-size:100%;">Piramida Energi</span></li></ul> <ul style="font-family: times new roman;"><li><!--[if !supportLists]--><span style="line-height: 150%;font-size:100%;" ><span style=""><span style=""> </span></span></span><!--[endif]--><span lang="EN-GB" style="font-size:100%;">Dengan piramida energi, pengukuran prokdutivitas atau ekosistem akan bertambah ketelitianya. 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dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1064'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">Konsumen<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1065" spid="_x0000_s1065" style="'position:absolute;" dgmlayout="2" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#099"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#099;"> <v:textbox style="'mso-next-textbox:#_s1065'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">Ekskresi, feses<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1066" spid="_x0000_s1066" style="'position:absolute;" dgmlayout="2" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#9c0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#9c0;"> <v:textbox style="'mso-next-textbox:#_s1066'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">NH3<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1067" spid="_x0000_s1067" style="'position:absolute;" dgmlayout="0" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#9c0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#9c0;"> <v:textbox style="'mso-next-textbox:#_s1067'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">Bakteri<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1068" spid="_x0000_s1068" style="'position:absolute;color:#339;" dgmlayout="0" dgmnodekind="2"> <v:shadow on="t" offset="4pt,-4pt" offset2="-4pt,4pt" style="color:#339;"> <v:textbox style="'mso-next-textbox:#_s1068'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">NO2ˉ<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1069" spid="_x0000_s1069" style="'position:absolute;" dgmlayout="2" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#9c0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#9c0;"> <v:textbox style="'mso-next-textbox:#_s1069'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">NO3ˉ<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1070" spid="_x0000_s1070" style="'position:absolute;" dgmlayout="2" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#9c0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#9c0;"> <v:textbox style="'mso-next-textbox:#_s1070'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">Bakteri denitrifikasi<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1071" spid="_x0000_s1071" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1071'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">Bakteri nitrifikasi<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1072" spid="_x0000_s1072" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1072'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">Denitrifikasi<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1073" spid="_x0000_s1073" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1073'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'font-size:5.5pt;mso-bidi-mso-ansi-language:EN-US'font-size:10.0pt;">Nitrogen<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><w:wrap type="none"> <w:anchorlock/> </v:group><![endif]--><!--[if !vml]--><!--[endif]--></span><!--[if mso & !supportInlineShapes & supportFields]><span lang="EN-GB"><v:shape id="_x0000_i1025" type="#_x0000_t75" style="'width:243pt;"> <v:imagedata croptop="-65520f" cropbottom="65520f"> </v:shape><span style="'mso-element:field-end'"></span></span><![endif]--><span lang="EN-GB" style="font-size:100%;"><span style=""> </span></span><!--[if mso & !supportInlineShapes & supportFields]><span lang="EN-GB"><span style="'mso-element:field-begin;mso-field-lock:yes'"></span><span style="'mso-spacerun:yes'"> </span>SHAPE<span style="'mso-spacerun:yes'"> </span>\* MERGEFORMAT <span style="'mso-element:field-separator'"></span></span><![endif]--><span lang="EN-GB" style="font-size:100%;"><!--[if gte vml 1]><v:group id="_x0000_s1026" editas="orgchart" style="'width:99pt;height:306pt;mso-position-horizontal-relative:char;" coordorigin="1642,4980" coordsize="3756,4198"> <o:lock ext="edit" aspectratio="t"> <o:diagram ext="edit" dgmstyle="15" dgmscalex="36051" dgmscaley="99646" dgmfontsize="6" constrainbounds="0,0,0,0" autoformat="t" autolayout="f"> <o:relationtable ext="edit"> <o:rel ext="edit" idsrc="#_s1036" iddest="#_s1036"> <o:rel ext="edit" idsrc="#_s1037" iddest="#_s1036" idcntr="#_s1035"> <o:rel ext="edit" idsrc="#_s1038" iddest="#_s1037" idcntr="#_s1034"> <o:rel ext="edit" idsrc="#_s1039" iddest="#_s1038" idcntr="#_s1033"> <o:rel ext="edit" idsrc="#_s1040" iddest="#_s1039" idcntr="#_s1032"> <o:rel ext="edit" idsrc="#_s1041" iddest="#_s1040" idcntr="#_s1031"> <o:rel ext="edit" idsrc="#_s1042" iddest="#_s1041" idcntr="#_s1030"> <o:rel ext="edit" idsrc="#_s1043" iddest="#_s1042" idcntr="#_s1029"> <o:rel ext="edit" idsrc="#_s1044" iddest="#_s1042" idcntr="#_s1028"> </o:relationtable> </o:diagram> <v:shape id="_x0000_s1027" type="#_x0000_t75" style="'position:absolute;left:1642;" preferrelative="f"> <v:fill detectmouseclick="t"> <v:path extrusionok="t" connecttype="none"> <o:lock ext="edit" text="t"> </v:shape><v:shape id="_s1028" spid="_x0000_s1028" type="#_x0000_t35" style="'position:absolute;left:1642;top:8033;width:1195;height:652;rotation:180;" connectortype="elbow" adj="21600,13060,269623" strokecolor="gray" strokeweight="2.25pt"> <v:shape id="_s1029" spid="_x0000_s1029" type="#_x0000_t35" style="'position:absolute;" connectortype="elbow" adj="21599,15429,269623" strokecolor="gray" strokeweight="2.25pt"> <v:shape id="_s1030" spid="_x0000_s1030" type="#_x0000_t35" style="'position:absolute;" connectortype="elbow" adj="22363,15135,285964" strokecolor="gray" strokeweight="2.25pt"> <v:shape id="_s1031" spid="_x0000_s1031" type="#_x0000_t35" style="'position:absolute;" connectortype="elbow" adj="21272,16247,285964" strokecolor="gray" strokeweight="2.25pt"> <v:shape id="_s1032" spid="_x0000_s1032" type="#_x0000_t35" style="'position:absolute;" connectortype="elbow" adj="21818,14900,285964" strokecolor="gray" strokeweight="2.25pt"> <v:shape id="_s1033" spid="_x0000_s1033" type="#_x0000_t35" style="'position:absolute;" connectortype="elbow" adj="21818,15461,285964" strokecolor="gray" strokeweight="2.25pt"> <v:shape id="_s1034" spid="_x0000_s1034" type="#_x0000_t32" style="'position:absolute;" connectortype="elbow" adj="-676640,-1,-676640" strokecolor="gray" strokeweight="2.25pt"> <v:shape id="_s1035" spid="_x0000_s1035" type="#_x0000_t32" style="'position:absolute;" connectortype="elbow" adj="-1049959,-1,-1049959" strokecolor="gray" strokeweight="2.25pt"> <v:rect id="_s1036" spid="_x0000_s1036" style="'position:absolute;left:1642;" dgmlayout="0" dgmnodekind="1" fillcolor="#bbe0e3" strokecolor="#099"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#099;"> <v:textbox style="'mso-next-textbox:#_s1036'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US'">Nitrogen<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1037" spid="_x0000_s1037" style="'position:absolute;" dgmlayout="0" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#9c0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#9c0;"> <v:textbox style="'mso-next-textbox:#_s1037'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">Petir<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1038" spid="_x0000_s1038" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1038'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">Bakteri tanah<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1039" spid="_x0000_s1039" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1039'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">Bakteri nitrifikasi<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1040" spid="_x0000_s1040" style="'position:absolute;" dgmlayout="2" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#099"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#099;"> <v:textbox style="'mso-next-textbox:#_s1040'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">NH</span><span style="'mso-ansi-language:EN-US';font-size:8.0pt;">3<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1041" spid="_x0000_s1041" style="'position:absolute;" dgmlayout="2" dgmnodekind="0" fillcolor="#bbe0e3" strokecolor="#9c0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#9c0;"> <v:textbox style="'mso-next-textbox:#_s1041'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">NO</span><span style="'mso-ansi-language:EN-US';font-size:8.0pt;">2ˉ<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1042" spid="_x0000_s1042" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1042'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">NO</span><span style="'mso-ansi-language:EN-US';font-size:8.0pt;">3ˉ<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1043" spid="_x0000_s1043" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1043'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">Bakteri denitrifikasi<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><v:rect id="_s1044" spid="_x0000_s1044" style="'position:absolute;" dgmlayout="2" dgmnodekind="0"> <v:fill focusposition="1" focussize="" focus="100%" type="gradientRadial"> <o:fill ext="view" type="gradientCenter"> </v:fill> <v:shadow on="t" offset="4pt,-3pt" offset2="-4pt,6pt" style="color:#bbe0e3;"> <v:textbox style="'mso-next-textbox:#_s1044'" inset="0,0,0,0"> <![if !mso]> <table cellpadding="0" cellspacing="0" width="100%"> <tr> <td><![endif]> <div> <p class="MsoNormal" align="center" style="'text-align:center'"><span style="'mso-ansi-language:EN-US';font-size:10.0pt;">Denitrifikasi<o:p></o:p></span></p> </div> <![if !mso]></td> </tr> </table> <![endif]></v:textbox> </v:rect><w:wrap type="none"> <w:anchorlock/> </v:group><![endif]--><!--[if !vml]--><!--[endif]--></span><!--[if mso & !supportInlineShapes & supportFields]><span lang="EN-GB"><v:shape id="_x0000_i1026" type="#_x0000_t75" style="'width:99pt;"> <v:imagedata croptop="-65520f" cropbottom="65520f"> </v:shape><span style="'mso-element:field-end'"></span></span><![endif]--></p> <p class="MsoNormal" style="line-height: 150%; font-family: lucida grande;"><span lang="EN-GB" style="font-size:100%;">2.</span><span style="line-height: 150%;font-size:100%;" lang="EN-GB"> </span><span style="line-height: 150%;font-size:100%;" >Daur Biogeokimia<o:p></o:p></span></p> <p class="MsoNormal" style="margin-left: 27pt; text-indent: 45pt; line-height: 150%; font-family: lucida grande;"><span style=";font-size:100%;" >Daur Biogeokimia melibatkan komponen biotic dan abiotik di alam. Unsur atau senyawa kimia mengalir dari komponen abiotik ke komponen biotic dan kembali lagi ke komponen abiotik.<o:p></o:p></span></p> <p class="MsoNormal" style="line-height: 150%; font-family: lucida grande;"><span style=";font-size:100%;" >a. Daur Nitrogen (N</span><span style="line-height: 150%;font-size:100%;" >2</span><span style=";font-size:100%;" >)<o:p></o:p></span></p> <p class="MsoNormal" style="margin-left: 9pt; text-indent: -9pt; line-height: 150%; font-family: lucida grande;"><span style=";font-size:100%;" ><span style=""> </span><span style=""> </span>Daur nitrogen dibedakan menjadi 3 proses tahapan, yaitu fiksasi, nitrifikasi, dan denitrifikasi.<o:p></o:p></span></p> <p style="font-family: lucida grande;" class="MsoNormal"><span lang="EN-GB" style="font-size:100%;">b. Daur karbon</span></p> <p class="MsoNormal" style="margin-left: 9pt; text-indent: -9pt; font-family: lucida grande;"><span lang="EN-GB" style="font-size:100%;"><span style=""> </span>Sumber karbon utama bagi organisme berklorofil adalah dalam bentuk CO</span><span lang="EN-GB" style="font-size:100%;">2</span><span lang="EN-GB" style="font-size:100%;"> yang diperoleh dari udara atau terlaryt di dalam air. Adapun daur penggunaan karbon sebagai berikut:</span></p> <p style="font-family: lucida grande;" class="MsoNormal"><span lang="EN-GB" style="font-size:100%;">c. Daur Fosfor</span></p> <p class="MsoNormal" style="margin-left: 9pt; text-indent: -9pt; font-family: lucida grande;"><span lang="EN-GB" style="font-size:100%;"><span style=""> </span>Proses biogeokimia fosfor terjadi sangat lambat karena awalnya fosfor tersedia dalam bentuk batuan kristal yang hanya muncul ke permukaan karena proses geologi seperti letusan gunung berapi dan pelipatan lapisan bumi.</span></p> <p style="font-family: lucida grande;" class="MsoNormal"><span lang="EN-GB" style="font-size:100%;"><o:p> </o:p></span></p> <p style="font-family: lucida grande;" class="MsoNormal"><span lang="EN-GB" style="font-size:100%;">d. Daur sulfur</span></p> <p style="font-family: lucida grande;" class="MsoNormal"><span lang="EN-GB" style="font-size:100%;"><span style=""> </span>Sulfur terdapat dalam jumlah yang sedikit di udara dalam bentuk gas sulfur dioksida (SO</span><span lang="EN-GB" style="font-size:100%;">2</span><span lang="EN-GB" style="font-size:100%;">) sebagai hasil pembakaran dari bahan-bahan yang mengandung sulfur. </span></p> <p class="MsoNormal"><span lang="EN-GB"><!--[endif]--></span><!--[if mso & !supportInlineShapes & supportFields]><span lang="EN-GB"><v:shape id="_x0000_i1029" type="#_x0000_t75" style="'width:435.6pt;"> <v:imagedata croptop="-65520f" cropbottom="65520f"> </v:shape><span style="'mso-element:field-end'"></span></span><![endif]--></p> ryno's bloghttp://www.blogger.com/profile/14915329234588089295noreply@blogger.com1