Arid
DOI10.2134/jeq2016.03.0078
Desert Vegetation Forty Years after an Oil Spill
Nothers, Mara1,2; Segev, Nitzan3; Kreyling, Juergen1; Hjazin, Amgad2; Groner, Elli2,3
通讯作者Nothers, Mara
来源期刊JOURNAL OF ENVIRONMENTAL QUALITY
ISSN0047-2425
EISSN1537-2537
出版年2017
卷号46期号:3页码:568-575
英文摘要

Deserts are the most frequent locations of terrestrial crude oil contaminations. Nevertheless, the long-term effects of petroleum hydrocarbons on desert ecosystems are still unknown, which makes risk assessment and decision making concerning remediation difficult. This study examined the long-term effects of petroleum hydrocarbons on perennial desert vegetation. The study site was a hyper-arid area in the south of Israel, which was contaminated by a crude oil spill in 1975. The contaminated area was compared to uncontaminated reference areas. The composition of perennial plants 40 yr after the oil spill was not significantly affected by the contamination. However, the size distribution of the two most dominant shrub species, Salsola cyclophylla Baker and Hammada salicornia (Moq.) Iljin., and the only tree species, Acacia raddiana Savi and Acacia tortilis (Forssk.) Hayne, were different from the reference. These differences can be explained by decreased recruitment. The estimated recruitment of Acacia in the last 40 yr post oil spill was 74% less than recruitment in the reference area. Low recruitment of Acacia may in the future lead to the loss of tree cover, which would change the entire ecosystem, as Acacias are keystone species on which a number of microorganisms, plants, and animals rely. Remediation of oil spills and preventative measures are recommended.


类型Article
语种英语
国家Germany ; Israel
收录类别SCI-E
WOS记录号WOS:000404385100012
WOS关键词POLYCYCLIC AROMATIC-HYDROCARBONS ; NEGEV DESERT ; CRUDE-OIL ; PERENNIAL PLANTS ; ACACIA TREES ; POLLUTION ; GROWTH ; SOIL ; GENOTOXICITY ; RECRUITMENT
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/200369
作者单位1.Ernst Moritz Arndt Univ Greifswald, Expt Plant Ecol, D-17487 Greifswald, Germany;
2.Arava Inst Environm Studies, IL-8884000 Kibbutz Ketura, Dn Hevel Eilot, Israel;
3.Minist Sci Space & Technol, Dead Sea & Arava Sci Ctr, IL-8882000 Yotvata, Dn Hevel Eilot, Israel
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GB/T 7714
Nothers, Mara,Segev, Nitzan,Kreyling, Juergen,et al. Desert Vegetation Forty Years after an Oil Spill[J],2017,46(3):568-575.
APA Nothers, Mara,Segev, Nitzan,Kreyling, Juergen,Hjazin, Amgad,&Groner, Elli.(2017).Desert Vegetation Forty Years after an Oil Spill.JOURNAL OF ENVIRONMENTAL QUALITY,46(3),568-575.
MLA Nothers, Mara,et al."Desert Vegetation Forty Years after an Oil Spill".JOURNAL OF ENVIRONMENTAL QUALITY 46.3(2017):568-575.
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