Effects of Nitrogen on Temporal and Spatial Patterns of Nitrate in Streams and Soil Solution of a Central Hardwood Forest

<table>Mean annual stream water <svg height="14.75" id="M68" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 36.75 14.75" width="36.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.75)">
<g transform="translate(72,-60.2)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">N</tspan>
<tspan style="font-size: 12.50px; " x="8.9021358" y="0">O</tspan>
</text>
<text transform="matrix(1,0,0,-1,-54.02,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">3</tspan>
<tspan style="font-size: 8.75px; " x="4.8699999" y="-8.3000002">−</tspan>
</text>
</g>
</g>
</svg> versus mean annual soil water <svg height="14.75" id="M69" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 36.75 14.75" width="36.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.75)">
<g transform="translate(72,-60.2)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">N</tspan>
<tspan style="font-size: 12.50px; " x="8.9021358" y="0">O</tspan>
</text>
<text transform="matrix(1,0,0,-1,-54.02,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">3</tspan>
<tspan style="font-size: 8.75px; " x="4.8699999" y="-8.3000002">−</tspan>
</text>
</g>
</g>
</svg> concentrations for WS3 (treatment: solid symbols) and WS4 (control: open symbols) at Fernow Experimental Forest, West Virginia. Each point represents mean soil water <svg height="14.75" id="M70" style="vertical-align:-3.25793pt" version="1.1" viewbox="0 0 36.75 14.75" width="36.75" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,14.75)">
<g transform="translate(72,-60.2)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">N</tspan>
<tspan style="font-size: 12.50px; " x="8.9021358" y="0">O</tspan>
</text>
<text transform="matrix(1,0,0,-1,-54.02,60.37)">
<tspan style="font-size: 8.75px; " x="0" y="0">3</tspan>
<tspan style="font-size: 8.75px; " x="4.8699999" y="-8.3000002">−</tspan>
</text>
</g>
</g>
</svg> for A and B horizon lysimeters for a given year. Line represents linear correlations: WS3: <svg height="10.9125" id="M71" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 53.237499 10.9125" width="53.237499" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,10.9125)">
<g transform="translate(72,-63.27)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑟</tspan>
<tspan style="font-size: 12.50px; " x="8.5645552" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="20.604944" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="26.856443" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="29.982195" y="0">7</tspan>
<tspan style="font-size: 12.50px; " x="36.233692" y="0">0</tspan>
</text>
</g>
</g>
</svg>, <svg height="11.0625" id="M72" style="vertical-align:-0.30096pt" version="1.1" viewbox="0 0 56.150002 11.0625" width="56.150002" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.0625)">
<g transform="translate(72,-63.15)">
<text transform="matrix(1,0,0,-1,-71.95,63.5)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑃</tspan>
<tspan style="font-size: 12.50px; " x="10.890113" y="0">&lt;</tspan>
<tspan style="font-size: 12.50px; " x="22.930502" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="26.056252" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="32.307751" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="38.559254" y="0">3</tspan>
</text>
</g>
</g>
</svg>; WS4: <svg height="11.0375" id="M73" style="vertical-align:-0.17555pt" version="1.1" viewbox="0 0 53.237499 11.0375" width="53.237499" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.0375)">
<g transform="translate(72,-63.17)">
<text transform="matrix(1,0,0,-1,-71.95,63.4)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑟</tspan>
<tspan style="font-size: 12.50px; " x="8.5645552" y="0">=</tspan>
<tspan style="font-size: 12.50px; " x="20.604944" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="26.856443" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="29.982195" y="0">6</tspan>
<tspan style="font-size: 12.50px; " x="36.233692" y="0">0</tspan>
</text>
</g>
</g>
</svg>, <svg height="11.25" id="M74" style="vertical-align:-0.30096pt" version="1.1" viewbox="0 0 48.337502 11.25" width="48.337502" xmlns="http://www.w3.org/2000/svg">
<g transform="matrix(1.25,0,0,-1.25,0,11.25)">
<g transform="translate(72,-63)">
<text transform="matrix(1,0,0,-1,-71.95,63.35)">
<tspan style="font-size: 12.50px; " x="0" y="0">𝑃</tspan>
<tspan style="font-size: 12.50px; " x="10.890113" y="0">&lt;</tspan>
<tspan style="font-size: 12.50px; " x="22.930502" y="0">.</tspan>
<tspan style="font-size: 12.50px; " x="26.056252" y="0">0</tspan>
<tspan style="font-size: 12.50px; " x="32.307751" y="0">5</tspan>
</text>
</g>
</g>
</svg>.</table>

International Scholarly Research Notices

fig3

Figure 3

Figure 3: Effects of Nitrogen on Temporal and Spatial Patterns of Nitrate in Streams and Soil Solution of a Central Hardwood Forest 