亚热带森林凋落物层土壤酶活性的季节动态_电子资料文库 关键词:阔叶林;针叶林;酶活性;季节动态 [gap=10093]Key words: broadleaf forest; coniferous forest; enzyme activities; seasonal dynamics.
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The seasonal dynamics of soil enzyme activity in the sampling plots were different,and the general tendency was highest in autumn.
各样地土壤酶活性的季节动态变化有差异,但总体表现为秋季最高。
参考来源 - 岷江上游辐射松人工林种质资源及土壤生物肥力评价The result showed that:（1） Dynamic changes of soil water content of C. intermedia grasslands of different density: Annual changes of soil water was greater and seasonal change was consistent with precipitation .
主要研究内容和结论如下：（1）不同密度柠条草地土壤水分状况及其动态变化规律：土壤水分年际变化较大，土壤含水量季节动态主要决定于年内降水的季节性变化。
参考来源 - 宁夏河东沙地不同密度柠条灌丛草地水分与群落特征的研究The results show that the stream water of each watershed in reserve is weak acidic or neutral, Ca2+ is the most abundant cation, in the case of anions,HCO3- presents the highest concentration, and all ions show seasonal variation.
保护区不同支流集水区pH值均呈弱酸性至中性,阴离子均以HCO3-为主,阳离子均以Ca2+为主,且集水区溪流水离子浓度呈现出一定的季节动态。
参考来源 - 原始红松林生态系统水化学特征研究The total number of soil microorganisms, as well as microbial biomass C, has obvious seasonal dynamic changes.
土壤微生物总数、各类群微生物数量以及生物量碳具有明显季节动态变化。
参考来源 - 内蒙古荒漠草原土壤微生物季节动态变化的研究Power or linear equations best explained the seasonal dynamics between L. chinensis tillers and H. glabra tillers at extremely significant level except for 1:4 spot from 2002 to 2004.
从2002年至2004年,除1:4比例小区外,羊草和光稃茅香分蘖株数量间的季节动态均呈极显著幂函数或直线函数正相关。
参考来源 - 东北退化草原恢复演替过程中几种植物种群的数量特征及其协同消长规律·2,447,543篇论文数据，部分数据来源于NoteExpress
各植被类型的土壤含水量与大气降水具有相似的季节动态；
The soil water change in all kinds of vegetation types is consistent with seasonal rule of Precipitation.
结果表明：叶片净生长与净分蘖数季节动态具有相互弥补的特点。
The results showed that the seasonal dynamics of net growth of leaves and net gain tillers coexisted mutual remedying characteristics.
羊草群落土壤呼吸的季节变化规律与地上绿色体生物量的季节动态同步。
The rule of seasonal change of soil respiration synchronized with that of the aboveground blue biomass.
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