Assessment of biotic response to heavy metal contamination in Avicennia marina mangrove ecosystems in Sydney Estuary, Australia.

doi:10.1016/J.ECOENV.2014.06.019

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Assessment of biotic response to heavy metal contamination in Avicennia marina mangrove ecosystems in Sydney Estuary, Australia.

Journal Article•DOI•

Assessment of biotic response to heavy metal contamination in Avicennia marina mangrove ecosystems in Sydney Estuary, Australia.

Bibhash Nath¹, Punarbasu Chaudhuri², Gavin F. Birch¹•Institutions (2)

University of Sydney¹, University of Calcutta²

01 Sep 2014-Ecotoxicology and Environmental Safety (Academic Press)-Vol. 107, pp 284-290

TL;DR: This study supports the notion that A. marina mangroves act as a phytostabilizer in this highly modified estuary thereby protecting the aquatic ecosystem from point or non-point sources of heavy metal contamination.

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About: This article is published in Ecotoxicology and Environmental Safety.The article was published on 2014-09-01. It has received 62 citations till now. The article focuses on the topics: Avicennia marina & Aquatic ecosystem.

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Journal Article•DOI•

Heavy metal spatial variation, bioaccumulation, and risk assessment of Zostera japonica habitat in the Yellow River Estuary, China.

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Haiying Lin¹, Tao Sun¹, Sufeng Xue¹, Xiangli Jiang¹•Institutions (1)

Beijing Normal University¹

15 Jan 2016-Science of The Total Environment

TL;DR: Pb and As in the surrounding environment present potential risks to the seagrass habitats of the Yellow River Estuary, China, and Z. japonica showed higher bioaccumulation of Cd and Pb in the above-ground tissues.

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63 citations

Journal Article•DOI•

Assessment of potentially toxic metal (PTM) pollution in mangrove habitats using biochemical markers: A case study on Avicennia officinalis L. in and around Sundarban, India.

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Madhurima Bakshi¹, Somdeep Ghosh¹, Debarati Chakraborty², Sugata Hazra², Punarbasu Chaudhuri¹ - Show less +1 more•Institutions (2)

University of Calcutta¹, Jadavpur University²

25 May 2018-Marine Pollution Bulletin

TL;DR: The study indicates the potentiality of biomonitoring metal pollution using studied biochemical markers in mangrove habitats and metal concentration in A. officinalis leaves showed significant correlation with sediment metals implying elevated level of bioaccumulation.

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52 citations

Journal Article•DOI•

Accumulation and Tolerance of Mangroves to Heavy Metals: a Review

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Zhongzheng Yan¹, Xiangli Sun¹, Yan Xu¹, Qiqiong Zhang¹, Xiuzhen Li¹ - Show less +1 more•Institutions (1)

East China Normal University¹

01 Dec 2017

TL;DR: In this article, the authors synthesize a review on the accumulation and tolerance of mangrove to heavy metal pollution pressure from human activities because of the rapid industrialization and urbanization in coastal areas.

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Abstract: Mangroves are under increasing heavy metal (HM) pollution pressure from human activities because of the rapid industrialization and urbanization in coastal areas. Field and laboratory experiments showed that the tolerance of mangrove plants to HM stress is normally a mixture of metal avoidance and scavenging of reactive oxygen species (ROS). In this review, related studies during the past few decades on the accumulation and tolerance of mangrove to HMs have been synthesized. In mangroves, metal accumulation mainly occurred at the root level with restricted transport to the aerial portions of the plant. The common founded HMs, such as copper, zinc, cadmium, chromium, and mercury, generally showed high bioconcentration factor in roots, while the concentration factors for these metals in leaves were usually much lower than one. The limited translocation of the toxic metals to the aerial parts renders the mangrove plants a high endurance ability to high levels of HM stress. To protect the cellular components from oxidative damage by HMs, mangroves have developed both enzymatic and nonenzymatic antioxidant mechanisms to scavenge the ROS. In some circumstances, the changes of antioxidative enzyme activity were usually in accordance with the changes of toxic metal concentrations in plant tissues. However, the responses of antioxidative enzymes in mangroves to HM stress varied with plant species, metal type, and concentration, as well as the duration of the treatment time. More toxicity tests are needed with early life stages of mangroves to determine threshold effect concentrations under more realistic conditions.

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46 citations

Journal Article•DOI•

Effect of pollution by particulate iron on the morphoanatomy, histochemistry, and bioaccumulation of three mangrove plant species in Brazil.

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Hiulana Pereira Arrivabene¹, Iara da Costa Souza², Walter Luiz Oliveira Có, Melina Moreira Conti¹, Daniel Alberto Wunderlin³, Camilla Rozindo Dias Milanez¹ - Show less +2 more•Institutions (3)

Universidade Federal do Espírito Santo¹, Federal University of São Carlos², National University of Cordoba³

01 May 2015-Chemosphere

TL;DR: The morphoanatomy, histochemistry, and iron accumulation in leaves of Avicennia schaueriana, Laguncularia racemosa, and Rhizophora mangle were analyzed to comparatively analyze the pathway used by plants exposed to contaminated particulate matter to uptake atmospheric pollutants.

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39 citations

Cites background from "Assessment of biotic response to he..."

...All of the three species evaluated showed a low iron bioconcentration factor in leaf tissue, as have been reported for mangrove species (Sarangi et al., 2002; Bernini et al., 2006; Nath et al., 2014; Souza et al., 2014a,b)....
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Journal Article•DOI•

Adoption of green banking practices and environmental performance in Pakistan: a demonstration of structural equation modelling

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Alam Rehman¹, Irfan Ullah², Fakhr-e-Alam Afridi³, Zain Ullah, Muhammad Zeeshan⁴, Arif Hussain⁵, Haseeb Ur Rahman⁶ - Show less +3 more•Institutions (6)

National University of Modern Languages¹, Nanjing University of Information Science and Technology², Islamia College University³, College of Business Administration⁴, Abdul Wali Khan University Mardan⁵, University of Science and Technology⁶

07 Jan 2021-Environment, Development and Sustainability

TL;DR: In this article, the authors investigated the relationship between green banking practices and their direct and indirect impact on environmental performance and found that there is a significant influence of policy, daily operations, and investments on the adoption of green banking practice.

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Abstract: Banking industries are blamed to be among the major factors that affect global climate change both directly and indirectly. The green banking concept has emerged in the last decade to trigger the adverse impact the banks put on a healthy environment. However, research regarding the adoption of green banking practices in developing economies, especially in Pakistan, is scarce. While environment friendly businesses are promoted by the government including in the banking industry. Green banking practices not only adopted by the business operations but also to practice it at policy-making level. It also encourages green project financing to ascertain environmental efficiency. Based on SRI theory, this study investigates the relationship between green banking practices and their direct and indirect impact on environmental performance. Structural equation modelling approach has been adopted to test the relationships of variables of the study. The impact of the green practices has been recognized much greater and influential in promoting green environment regarding policy-making and investments in green projects. Results reveal that there is a significant influence of policy, daily operations, and investments on the adoption of green banking practices. Interested parties can adopt the study proposed framework to access and identify the factors which can promote justified level of green banking practices in the country. Moreover, this study may help in providing rich updated literature in green banking to speed up future research in the same area.

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36 citations

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References

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Open Access

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Journal Article•DOI•

An ecological risk index for aquatic pollution control.a sedimentological approach

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Lars Håkanson

01 Jan 1980-Water Research

TL;DR: In this article, a sedimentological risk index for toxic substances in limnic systems should at least, account for the following four requirements: the following: the quality of the sediment, the water quality, the sediment quality, and the sediment diversity.

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6,177 citations

"Assessment of biotic response to he..." refers background in this paper

...Chromium, Cu, Mn, Pb and Zn values are elevated in these sediments with mean concentrations 431 mg/g and concentrations of the remaining elements (As, Cd, Co and Ni) are low with mean values o9....
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...All nonessential elements (As, Cd, Co, Cr and Pb) and Ni are present at low levels with a mean concentration o0....
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...The very high degree of metal contamination (i.e., Cd, Häkanson, 1980) in these sediments (Cd432; cf., Chaudhuri et al., 2014) indicate severe anthropogenic modifications mostly due to contemporary stormwater loadings and urbanization (Birch et al., 2013)....
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...Translocation factors of essential elements (i.e., common plant micro-nutrients, Cu, Ni, Mn and Zn) were greater than non-essential elements (As, Cd, Co, Cr and Pb), suggesting that A. marina mangroves of this estuary selectively excluded non-essential elements, while regulating essential elements and limiting toxicity to plants....
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...Likewise, Fe and the non-essential elements, such as As, Cd, Co, Cr and Pb, have a mean TF o0....
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Book•

Metal pollution in the aquatic environment

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Ulrich Förstner, Gottfried T. W. Wittmann

01 Jan 1979

TL;DR: This significant book provides not only an introduction to the dynamics of aquatic chem istries but also identifies those materials that jeopardize the resources of both the marine and fluvial domains.

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Abstract: Aquatic chemistry is becoming both a rewarding and substantial area of inquiry and is drawing many prominent scientists to its fold. Its literature has changed from a compilation of compositional tables to studies of the chemical reactions occurring within the aquatic environments. But more than this is the recognition that human society in part is determining the nature of aquatic systems. Since rivers deliver to the world ocean most of its dissolved and particulate components, the interactions of these two sets of waters determine the vitality of our coastal waters. This significant vol ume provides not only an introduction to the dynamics of aquatic chem istries but also identifies those materials that jeopardize the resources of both the marine and fluvial domains. Its very title provides its emphasis but clearly not its breadth in considering natural processes. The book will be of great value to those environmental scientists who are dedicated to keeping the resources of the hydrosphere renewable. As the size of the world population becomes larger in the near future and as the uses of materials and energy show parallel increases, the rivers and oceans must be considered as a resource to accept some of the wastes of society. The ability of these waters and the sediments below them to accommodate wastes must be assessed continually. The key questions relate to the capacities of aqueous systems to carry one or more pollutants."

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3,488 citations

Journal Article•DOI•

Phytoremediation of heavy metals—Concepts and applications

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Hazrat Ali¹, Ezzat Khan¹, Muhammad Anwar Sajad²•Institutions (2)

University of Malakand¹, Islamia College University²

01 May 2013-Chemosphere

TL;DR: This review article comprehensively discusses the background, concepts and future trends in phytoremediation of heavy metals.

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2,718 citations

"Assessment of biotic response to he..." refers background in this paper

...The accumulation and/or fixation of heavy metals in the A. marina rhizosphere may prevent release of metals to the water column and limit entry of these contaminants to the food chain (Erakhrumen, 2007; Ali et al., 2013)....
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...marina rhizosphere may prevent release of metals to the water column and limit entry of these contaminants to the food chain (Erakhrumen, 2007; Ali et al., 2013)....
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Book•

Trace Elements in the Terrestrial Environment

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Domy C. Adriano

05 Dec 2012

2,140 citations

"Assessment of biotic response to he..." refers background in this paper

...The positive functions of mangroves in ecosystem maintenance and protection are mainly due to their ability to accumulate organic-rich muddy sediments and associated toxic pollutants and nutrients and reduce contaminant dispersion in coastal areas (Förstner and Wittmann, 1979; Adriano, 1986; Harbison, 1986; Lacerda et al., 1991; Peters et al., 1997; Qiu et al., 2011)....
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...…are mainly due to their ability to accumulate organic-rich muddy sediments and associated toxic pollutants and nutrients and reduce contaminant dispersion in coastal areas (Förstner and Wittmann, 1979; Adriano, 1986; Harbison, 1986; Lacerda et al., 1991; Peters et al., 1997; Qiu et al., 2011)....
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Journal Article•DOI•

Accumulators and excluders ?strategies in the response of plants to heavy metals

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Alan J. M. Baker¹•Institutions (1)

University of Sheffield¹

01 Jan 1981-Journal of Plant Nutrition

TL;DR: In this paper, two basic strategies of plant response are suggested, accumulators and excluders, which do not generally suppress metal uptake but result in internal detoxification, and indicators are seen as a further mode of response where proportional relationships exist between metal levels in the soil, uptake and accumulation in plant parts.

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Abstract: Plants colonizing metalliferous soils have evolved physiological mechanisms which enable them to tolerate metal toxicity. These mechanisms do not generally suppress metal uptake but result in internal detoxification. Two basic strategies of plant response are suggested, accumulators and excluders. In the former, metals can be concentrated in plant parts from low or high background levels. By contrast, differential uptake and transport between root and shoot in excluders, lead to more or less constant low shoot levels over a wide range of external concentration. ‘Indicators’ are seen as a further mode of response where proportional relationships exist between metal levels in the soil, uptake and accumulation in plant parts. The physiological properties of accumulator and excluder species are considered in relation to metal tolerance mechanisms.

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2,035 citations

"Assessment of biotic response to he..." refers background in this paper

...Low Fe BCFs may be due to a high natural abundance and/or formation of Fe plaques around root surfaces that may have hindered its translocations to aerial tissues (Baker, 1981; Taylor, 1987)....
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...…of trace elements in their aerial tissues due to some metals being required Note: All the concentrations are in mg/g (dry weight); BCF¼bio-concentration factor; TF¼translocation factor and bdl¼below detection limit. as nutrients for growth and survival (Baker, 1981; MacFarlane and Burchett, 1999)....
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...This suggests that mangrove plants are accumulating these elements with increasing sediment or root concentrations and thus behave as an indicator species for these elements (Baker, 1981)....
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...The uptake of metals is primarily influenced by plant metabolic requirements, e.g., Cu and Zn, which are essential micro-nutrients, are more mobile than non-essential elements, such as Pb, resulting in variable metal accumulation in plant tissue (Baker, 1981; MacFarlane et al., 2003, 2007)....
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...However, these plants have a strong ability to survive under harsh environmental conditions by regulating metal uptake and preventing toxicity (Baker, 1981)....
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