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- Title
Physiological and anatomical responses of a common beach grass to crude oil pollution.
- Authors
Olaranont, Yanisa; Stewart, Alyssa B.; Traiperm, Paweena
- Abstract
Oil pollution is one potential consequence of industry development, and oil contamination occurs in countries around the world. However, few studies have examined the detrimental effects of oil on plant anatomy. Therefore, the objectives of this study were (1) to determine the impacts of crude oil on the physiological and anatomical parameters of Ischaemum muticum L. (Poaceae) and (2) to examine its potential as a bioindicator of oil pollution. Experimental plants were treated with one of four concentrations of crude oil (1%, 2%, 3%, and 4% volume/weight) and compared to control plants (no oil applied). Four physiological and 23 anatomical parameters were measured 7, 15, 30, 45, and 60 days after treatment. Crude oil negatively affected both physiological traits (leaf width and chlorophyll content) and anatomical traits (midrib vascular bundle height, leaf cutin thickness, leaf vascular bundle width and height, abaxial and adaxial margin cutin thickness, adaxial stomata density, adaxial short cell width, and abaxial long cell width). In general, the affected traits were modified by even the lowest oil concentration tested (1%). We discuss the potential of I. muticum as a bioindicator of oil pollution, given its prevalence in coastal areas of the paleotropics and its sensitivity to oil contamination.
- Subjects
ENVIRONMENTAL monitoring; OIL spills &; the environment; OIL spill risk assessment; OIL spill prevention; PHYTOREMEDIATION
- Publication
Environmental Science & Pollution Research, 2018, Vol 25, Issue 28, p28075
- ISSN
0944-1344
- Publication type
Article
- DOI
10.1007/s11356-018-2808-2