Effects of petroleum mixture types on soil bacterial population dynamics associated with the biodegradation of hydrocarbons in soil environments
Effects of petroleum mixture types on soil bacterial population dynamics associated with the biodegradation of hydrocarbons in soil environments
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DOI：
10.1111/1574-6941.12108
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发表时间：
2013-07-01
影响因子：
4.2
通讯作者：
Inskeep, William P.
中科院分区：
文献类型：
--
作者：
Hamamura, Natsuko;Ward, David M.;Inskeep, William P.
通过检查土壤细菌种群动态，评估微生物对不同石油混合物污染的反应模式，这些石油混合物的正烷烃分布或有毒成分（如五氯苯酚（PCP））存在差异。来自美国不同地区（蒙大拿州、俄勒冈州和亚利桑那州）的三种土壤类型被用于受控扰动实验，其中含有原油、煤油、柴油或柴油加掺有 14C-十六烷或 14C-十三烷的五氯苯酚。经过 50 天的培养，在蒙大拿州和俄勒冈州的土壤中，30-70% 的添加 14C 烷烃被矿化为 14CO2。相比之下，使用柴油或煤油观察到矿化度显着降低（
Soil bacterial population dynamics were examined to assess patterns in microbial response to contamination by different petroleum mixtures with variation in n-alkane profiles or toxic constituents such as pentachlorophenol (PCP). Three soil types from distinct areas of the United States (Montana, Oregon, and Arizona) were used in controlled perturbation experiments containing crude oil, kerosene, diesel, or diesel plus PCP spiked with 14C-hexadecane or 14C-tridecane. After a 50-day incubation, 30-70% of added 14C-alkanes were mineralized to 14CO2 in Montana and Oregon soils. In contrast, significantly lower mineralization was observed with diesel or kerosene (