• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文OA文献 >Impacts of the amount of hybrid cattail (Typha x glauca) litter on abiotic and biotic conditions in prairie pothole wetlands
【2h】

Impacts of the amount of hybrid cattail (Typha x glauca) litter on abiotic and biotic conditions in prairie pothole wetlands

机译：杂种香蒲（Typha x glauca）凋落物数量对草原坑洼湿地非生物和生物条件的影响

代理获取
本网站仅为用户提供外文OA文献查询和代理获取服务，本网站没有原文。下单后我们将采用程序或人工为您竭诚获取高质量的原文，但由于OA文献来源多样且变更频繁，仍可能出现获取不到、文献不完整或与标题不符等情况，如果获取不到我们将提供退款服务。请知悉。
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Hybrid cattail (Typha x glauca) is an invasive emergent macrophyte that spreads quickly and forms monodominant stands in wetlands, and alters their abiotic and biotic conditions. I examined the role that cattail litter has on abiotic and biotic conditions. Specifically, I studied experimentally the effects of the amount of litter in a mesocosm complex and a prairie pothole wetland. At both sites, I established three litter treatments (high, control, and low litter amounts) and examined how the amount of litter effects litter decomposition, cattail shoot number and height, temperature (at the sediment surface, as well as 10cm above and 10cm below), soil redox potential, dissolved oxygen, and percent oxygen saturation. I hypothesized that when litter increased at a site, there would be a corresponding decrease in soil and water temperature, redox potential, dissolved oxygen, and percent oxygen saturation and consequently in the rate of litter decomposition. I also hypothesized that the number of cattail shoots and cattail shoot heights would decrease with increasing litter.There was no significant difference among the litter treatments in litter decomposition rates at either location. Temperatures varied across treatments, with a greater mean maximum and minimum in the low treatment at all three depths (+10cm, 0cm, -10cm) at the mesocosm complex, but not at Anderson Lake. Redox potential, dissolved oxygen, and percent oxygen saturation in the low treatments at the mesocosm complex were significantly higher than in either the high or control treatments, but again not at Anderson Lake. The number of cattail shoots was significantly higher in the low treatments than in the high and control treatments in the mesocosm complex and between the low and high treatments at Anderson Lake.
机译：杂种香蒲（Typha x glauca）是一种侵袭性新兴大型植物，在湿地中迅速传播并形成单一优势林分，并改变其非生物和生物条件。我检查了香蒲垃圾在非生物和生物条件下的作用。具体来说，我通过实验研究了中观乐园和草原坑洼湿地中凋落物数量的影响。在两个站点上，我建立了三种垫料处理方法（高，对照和低垫料量），并研究了垫料量如何影响垫料分解，香蒲芽数和高度，温度（在沉积物表面以及上方10cm和10cm）以下），土壤氧化还原电势，溶解氧和氧饱和度百分比。我假设当某个地点的垫料增加时，土壤和水温，氧化还原电势，溶解氧和氧饱和度百分比会相应降低，因此垫料分解速率也会相应降低。我还假设香蒲芽的数量和香蒲芽高度会随着凋落物的增加而减少。两种处理方式的凋落物分解率在两个位置上都没有显着差异。温度随着处理的不同而变化，在中观宇宙复合体的所有三个深度（+ 10cm，0cm，-10cm）处，低处理中的平均最大值和最小值均更大，但在安德森湖中则没有。在中层膜复合体的低处理中，氧化还原电位，溶解氧和氧饱和度百分比显着高于高处理或对照处理，但同样在安德森湖中均没有。在低层处理中，香蒲芽的数量显着高于中层空间复合体中的高处理和对照处理，以及在安德森湖的低处理和高处理之间。

著录项

  • 作者

    Albertsen, Andrew J.;

  • 作者单位
  • 年度 2016
  • 总页数
  • 原文格式 PDF
  • 正文语种 en
  • 中图分类

相似文献

  • 外文文献
  • 中文文献
  • 专利
代理获取

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号