Results 121 to 130 of about 1,100 (139)

滇中高原云南松林土壤微生物群落结构及其多样性对氮沉降的响应

open access: yesShuitu Baochi Xuebao
[目的] 探究氮沉降下滇中高原云南松土壤化学性质及土壤微生物群落多样性和结构组成的变化特征,并分析土壤微生物与土壤化学性质的相关关系,为了解氮沉降下森林土壤生态系统养分循环变化趋势及观测土壤微生态变化提供科学依据。[方法] 选取滇中高原云南松林土壤为研究对象,以CO(NH2)2为N源,设置对照CK [N 0 g/(m2·a)]、低氮LN [N 10 g/(m2·a)]、中氮MN [N 20 g/(m2·a)]和高氮HN [N 25 g/(m2·a)]4个不同梯度进行模拟N沉降试验,测定分析土壤细菌 ...
宋成功   +6 more
doaj  

星云湖季节性水质变化及影响因素 Seasonal Variation of Water Quality and Its Influencing Factors in Lake Xingyun

open access: yes, 2017
张云鹰   +9 more
semanticscholar   +1 more source
Some of the next articles are maybe not open access.

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四川白河国家级自然保护区毛冠鹿( Elaphodus cephalophus )活动节律及季节变化

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刘明星   +8 more
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谭晓琴   +5 more
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兰溪市PM 2.5 中水溶性离子的组成特征及季节变化

, 2021
鲍宗炜   +9 more
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杞麓湖水质参数季节性变化 Seasonal Variations of Water Quality Parameters in Lake Qilu

, 2017
周瑜   +8 more
semanticscholar   +1 more source

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