sjy-ecos/views/inc/ei/grassland_ser.ejs

142 lines
12 KiB
Plaintext
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

<div>
<p style="text-indent:28.5pt; line-height:150%; font-size:14pt">
<span style="font-family:宋体; font-size:14pt">1.自然区域草地产草量</span>
</p>
<p style="text-indent:28.5pt; line-height:150%; font-size:14pt">
<span style="font-family:宋体; font-size:14pt">经统计2016年三江源区自然区域草地总产草量为</span><span
style="font-family:宋体; font-size:14pt">3082.40</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">,其中可食草产量为</span><span style="font-family:宋体; font-size:14pt">2413.33</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">。在各类草地中,高寒草甸类草地产草量最高,为</span><span
style="font-family:宋体; font-size:14pt">4072.55</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">,其次是高寒草甸草原类草地,为</span><span
style="font-family:宋体; font-size:14pt">2503.40</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">,温性草原类草地产草量居第三,为</span><span
style="font-family:宋体; font-size:14pt">1926.04k</span><span
style="font-family:宋体; font-size:14pt">g/hm</span><span style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">,高寒草原类与温性荒漠草原类</span><span
style="font-family:宋体; font-size:14pt">草地</span><span style="font-family:宋体; font-size:14pt">分别居第四、五位其产草量分别为1688.89k</span><span
style="font-family:宋体; font-size:14pt">g/hm</span><span style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">、1427.11</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">。</span>
</p>
<p style="text-indent:28.5pt; line-height:150%; font-size:14pt">
<span style="font-family:宋体; font-size:14pt">各类草地可食牧草总产量以</span><span style="font-family:宋体; font-size:14pt">高寒草甸类</span><span
style="font-family:宋体; font-size:14pt">草地最高,达到</span><span style="font-family:宋体; font-size:14pt">3305.65k</span><span
style="font-family:宋体; font-size:14pt">g/hm</span><span style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">,其次是高寒草甸草原类草地</span><span style="font-family:宋体; font-size:14pt">可食草产量为</span><span
style="font-family:宋体; font-size:14pt">1790.10k</span><span
style="font-family:宋体; font-size:14pt">g/hm</span><span style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">温性荒漠草原类草地居第三为1350.93k</span><span
style="font-family:宋体; font-size:14pt">g/hm</span><span style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt"></span><span
style="font-family:宋体; font-size:14pt">温性草原类草地可食草产量</span><span style="font-family:宋体; font-size:14pt">为1325.71k</span><span
style="font-family:宋体; font-size:14pt">g/hm</span><span style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">最低的是高寒草原类草地为1350.93k</span><span
style="font-family:宋体; font-size:14pt">g/hm</span><span style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt"></span><span
style="font-family:宋体; font-size:14pt">各草地型产草量详见下图。</span>
</p>
<p style="text-align:center; line-height:150%; font-size:14pt">
<img src="/images/ei/grassland_ser.001.png" width="484" height="343" alt=""/>
</p>
<p style="text-align:center; line-height:150%; font-size:10.5pt">
<span style="font-family:宋体">三江源区自然区域各类草地产草量kg/hm</span><span
style="font-family:宋体; font-size:7pt; "><sup>2</sup></span><span style="font-family:宋体"></span>
</p>
<p>
&#xa0;
</p>
<h3>
2<span style="font-family:宋体">草地植被覆盖度年度动态变化</span>
</h3>
<p style="text-indent:28pt; line-height:150%; font-size:14pt">
<span style="font-family:等线; font-size:14pt">2005-2016</span><span style="font-family:宋体; font-size:14pt">年三江源区草地植被平均覆盖度总体趋于平稳,其中温性草原上升趋势最明显,高寒草原类和温性荒漠草原草原类呈下降趋势,高寒草甸呈平稳趋势。</span>
</p>
<p style="text-indent:28pt; line-height:150%; font-size:14pt">
<span style="font-family:宋体; font-size:14pt">以2005年自然区域草地植被覆盖度为监测起始年温性草原类草地植被覆盖度</span><span
style="font-family:宋体; font-size:14pt">2006-2015年均高于2005年温性荒漠草原类草地植被覆盖度高于2005年仅2008年2009、2012年持平其他年份均低于2005年高寒草甸草原类草地植被覆盖度高于2005年为2008、2012、2015年其余年份均低于2005年高寒草原类草地植被覆盖度高于2005为2007、2008、2009、2010年其余年份均低于2005年高寒草甸类草地植被覆盖度高于2005年为2006、2009年其余年份均低于2005年。</span>
</p>
<p style="text-indent:28pt; line-height:150%; font-size:14pt">
<span style="font-family:宋体; font-size:14pt">三江源区自然区域草地植被覆盖度2016年与</span><span
style="font-family:宋体; font-size:14pt">2015年比较如下</span>
</p>
<p style="line-height:150%; font-size:14pt">
<span style="font-family:宋体; font-size:14pt">温性草原类草地比</span><span style="font-family:宋体; font-size:14pt">2015年减少16个百分点</span><span
style="font-family:宋体; font-size:14pt">;温性荒漠草原类草地同比减少</span><span
style="font-family:宋体; font-size:14pt">26个百分点</span><span style="font-family:宋体; font-size:14pt">高寒草甸草原类、高寒草原类、高寒草甸类草地分别同比增长</span><span
style="font-family:宋体; font-size:14pt">18、6、3个百分点</span><span
style="font-family:宋体; font-size:14pt">。</span>
</p>
<p style="text-indent:28.5pt; line-height:150%; font-size:14pt">
<img src="/images/ei/grassland_ser.002.png" width="470" height="381" alt=""/>
</p>
<p style="text-indent:28.5pt; line-height:150%; font-size:12pt">
<strong><span style="font-family:宋体; font-size:12pt; ">三江源区自然区域草地植被覆盖度(%)年际变化</span></strong>
</p>
<p>
&#xa0;
</p>
<h3>
<a name="_Toc452047595"></a><a name="_Toc452047902">3<span style="font-family:宋体">草地地下生物量年度动态变化</span></a>
</h3>
<p>
<span style="font-family:宋体; font-size:14pt">    自然区域各类草地历年地下生物量均值在1105</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">(高寒草原类)</span><span
style="font-family:宋体; font-size:14pt">-3200</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">(高寒草甸类)之间,其中温性草原类草地地下生物量历年均值为</span><span
style="font-family:宋体; font-size:14pt">1891</span><span
style="font-family:宋体; font-size:14pt">kg/hm</span><span
style="font-family:宋体; font-size:9.33pt; "><sup>2</sup></span><span
style="font-family:宋体; font-size:14pt">,2010年达到峰值2011年为各年度的低值温性荒漠草原类2009年为峰值2007年为低值高寒草原类2005年为峰值2013年为低值高寒草甸类2012年为峰值2007年为低值各类草地地下生物量年度动态变化见下图。</span>
</p>
<p style="line-height:150%; font-size:10.5pt">
<span style="font-family:宋体">&#xa0;</span>
</p>
<p style="text-align:center; line-height:150%; font-size:14pt">
<img src="/images/ei/grassland_ser.003.png" width="562" height="350" alt=""/>
</p>
<p style="text-align:center; line-height:150%; font-size:12pt">
<strong><span style="font-family:宋体; font-size:12pt; ">三江源区自然区域草地地下生物量(</span></strong><span
style="font-family:宋体; font-size:10.5pt">kg/hm</span><span style="font-family:宋体; font-size:7pt; "><sup>2</sup></span><strong><span
style="font-family:宋体; font-size:12pt; ">)年际变化</span></strong>
</p>
<h3>
<a name="_Toc452047596"></a><a name="_Toc452047903">4<span style="font-family:宋体">草地土壤水分含量年度动态变化</span></a>
</h3>
<p>
<span style="font-family:宋体; font-size:14pt">    三江源区自然区域草地土壤水分含量测定共有4个草地类6个</span><span
style="font-family:宋体; font-size:14pt">草地型,均在</span><span style="font-family:宋体; font-size:14pt">草地生态监测综合点和定位点进行。经统计,</span><span
style="font-family:宋体; font-size:14pt">历年平均值在</span><span style="font-family:宋体; font-size:14pt">12.1%-35.9%之间。温性草原类草地仅有1个草地型即西北针茅、细叶薹草草地型其草地历年土壤含水量均值为19.3%2010年土壤含水量达到峰值26.2%2016年为最低值9.7%温性荒漠草原类草地也只有短花针茅、青海固沙草草地型历年草地土壤含水量均值为12.9%2009年达到峰值20.2%2011年为最低值7.3%高寒草原类草地历年土壤含水量均值12.1%峰值为23.2%2009年最低值5.2%2010年高寒草甸类草地历年土壤含水量均值为29.6%峰值为43.2%2014年最低值11.6%2016年</span><span
style="font-family:宋体; font-size:14pt">。自然区域各类草地土壤水分含量年际变化曲线均呈波状态势2007年至2015年的9年之间呈现两个波峰第一次波峰出现在2009年2014年为第二次波峰。</span>
</p>
<p style="text-align:center">
<img src="/images/ei/grassland_ser.004.png" width="534" height="348" alt=""/>
</p>
<p style="text-align:center">
<strong><span style="font-family:宋体; font-size:12pt; ">三江源区自然区域草地土壤含水量年际变化</span></strong>
</p>
<p>
&#xa0;
</p>
<p>
&#xa0;
</p>
<p>
&#xa0;
</p>
</div>