School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia.
School of Environmental and Life Sciences, The University of Newcastle, Callaghan, New South Wales 2308, Australia.
Mar Pollut Bull. 2022 Jul;180:113811. doi: 10.1016/j.marpolbul.2022.113811. Epub 2022 Jun 3.
Persistent organic and inorganic pollutants are among the most concerning pollutants in Australian estuaries due to their persistent, ubiquitous, and potentially toxic nature. Traditional methods of soil remediation often fall short of practical implementation due to high monetary investment, environmental disturbance, and potential for re-contamination. Phytoremediation is gaining traction as an alternative, or synergistic mechanism of contaminated soil remediation. Phytoremediation utilises plants and associated rhizospheric microorganisms to stabilise, degrade, transform, or remove xenobiotics from contaminated mediums. Due to their apparent cross-tolerance to salt, metals, and organic contaminants, halophytes have shown promise as phytoremediation species. This review examines the potential of 93 species of Australian saltmarsh halophytes for xenobiotic phytoremediation. Considerations for the practical application of phytoremediation in Australia are discussed, including mechanisms of enhancement, and methods of harvesting and disposal. Knowledge gaps for the implementation of phytoremediation in Australian saline environments are identified, and areas for future research are suggested.
由于持久性有机污染物和无机污染物具有持久性、普遍性和潜在毒性，它们是澳大利亚河口地区最令人关注的污染物之一。由于需要大量的资金投入、可能会对环境造成干扰以及存在再次污染的风险，传统的土壤修复方法往往难以实际应用。而植物修复作为一种替代或协同的污染土壤修复机制，正受到越来越多的关注。植物修复利用植物及其相关的根际微生物来稳定、降解、转化或去除污染介质中的外来化合物。由于盐生植物对盐、金属和有机污染物表现出明显的交叉耐受能力，因此它们已被证明是有潜力的植物修复物种。本综述考察了 93 种澳大利亚盐沼盐生植物用于外来化合物植物修复的潜力。讨论了在澳大利亚实际应用植物修复时需要考虑的因素，包括增强机制以及收获和处理方法。确定了在澳大利亚盐渍环境中实施植物修复的知识空白，并提出了未来的研究方向。
