线虫对红树林沉积物中石油污染的反应:微观世界研究

IF 2.1 4区 地球科学 Q2 MARINE & FRESHWATER BIOLOGY
Gonasageran Naidoo, Krishnaveni Naidoo
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引用次数: 0

摘要

研究了红树林沉积物中石油污染对线虫群落的影响。微生态系统由装有 250 克沉积物的 350 毫升塑料瓶组成。在涂油处理(O)中,向土壤中添加 15 mL 油。在油和肥料处理(O + F)中,向土壤中添加油和肥料(氮:磷:钾:3:2:5)。四周后,提取线虫并进行鉴定。线虫类群的数量在 C 处理中最高(61 个),在 O + F 处理中居中(59 个),在 O 处理中明显较低(25 个)。在 C 处理中存在但在 O 处理中不存在的类群不耐油。在 O 处理中出现的分类群耐油。有 5 个分类群在涂油后存活了下来,这可能是由于肥料改良的缘故。涂油消除了不耐油的分类群,有利于耐油的分类群。在 O+ F 处理中,线虫的数量和种类显著增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Responses of nematodes to oil contamination in a mangrove sediment: A microcosm study

The effects of oil pollution on nematode assemblages were investigated in a mangrove sediment. Microcosms comprised 350 mL plastic jars filled with 250 g sediment. In the oiled treatments (O), 15 mL oil were added to the soil. In the oil and fertiliser treatments (O + F), oil and fertiliser (N: P: K: 3: 2: 5) were added to the soil. After four weeks, nematodes were extracted and identified. The number of nematode taxa was highest in the C (61), intermediate in the O + F (59) and significantly lower in the O (25) treatment. Taxa present in the C but absent in the O treatment were oil-intolerant. Taxa present in the O treatments were oil-tolerant. Five taxa survived oiling probably due to fertiliser amendment. Oiling eliminated oil-intolerant taxa and favoured those that were resistant. In the O+ F treatment, the number and species of nematodes increased significantly.

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来源期刊
Journal of Sea Research
Journal of Sea Research 地学-海洋学
CiteScore
3.20
自引率
5.00%
发文量
86
审稿时长
6-12 weeks
期刊介绍: The Journal of Sea Research is an international and multidisciplinary periodical on marine research, with an emphasis on the functioning of marine ecosystems in coastal and shelf seas, including intertidal, estuarine and brackish environments. As several subdisciplines add to this aim, manuscripts are welcome from the fields of marine biology, marine chemistry, marine sedimentology and physical oceanography, provided they add to the understanding of ecosystem processes.
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