Assessing microplastic and nanoplastic contamination in bird lungs: evidence of ecological risks and bioindicator potential
Mengzhu WangPeng ZhouShane G. DuBayShangmingyu ZhangZhixiong YangYibo WangJiayu ZhangYiwei CaoZhengrui HuXingcheng HeShiyi WangMan LiFan ChenBoyan ZouChuang ZhouYong‐Jie Wu
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Ocean pollution poses a significant issue in the marine ecosystem. Coastal areas are particularly impacted by this pollution, and consequently, organisms associated with these coasts bear the brunt of its effects. Therefore, the presence of robust bioindicators, such as the shrimp species Palaemon elegans, is critically important. In this study, 20 P. elegans specimens were examined in each of the five areas on Gran Canaria Island. Water samples were collected to assess the potential existence of elevated concentrations. Significant discrepancies were observed in the levels of Al and Li across all zones, except those previously mentioned. The highest concentrations were recorded in Arguineguín (Southern sector), reaching 49.14 ± 4.51 mg/kg (Al) and 47.64 ± 2.86 mg/kg (Li). The authors contend that P. elegans proves to be a reliable bioindicator for tourist and port-related pollution, specifically for the metals Al, Zn, Cd, Pb, Ni, Fe, B, and Li analyzed in this research.
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The global increase in air pollution has a number of consequences including damage to our environment and health. Bioindicators are living organisms which reveal certain qualities of our environment with their absence or presence. This is useful in identifying polluted areas in order to manage pollution levels. Parmelia sulcata is said to be a pollution-tolerant lichen and consequently a bioindicator. We wished to test P. sulcata's ability as a bioindicator, indicating poor air quality with its presence. We used randomized quadrat sampling of 80 trees over four municipalities on the Avalon Peninsula of Newfoundland, Canada with increasing human populations as a proxy for pollution. Results suggest that P. sulcata is not an ideal bioindicator of high pollution. It was absent or diseased in areas of highest pollution and present in areas of low-medium pollution levels. We recommend further studies evaluate P. sulcata's potential as a bioindicator of low-medium air pollution.
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Introduction and difference between definition of bioindicators and biomarkers evolution of bioindicators and biomarkers aquatic environment quality monitoring impact of pollutants on bioindicator species bioindicators of aquatic pollution biomarkers of pollution for risk assessment eco-toxicology - a new era of research and bioassays for risk assessment molecular mechanisms of toxicants - pollution fingerprints environment toxicology and biomonitoring.
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There is a resurgence to measure or monitor the impact of intensive exploitation of natural resources on environment and original habitats. The indicator qualities of terrestrial invertebrates are widely recognized in the context of detecting ecological change associated with human land-use. However, the use of terrestrial invertebrates as bioindicators remains more a topic of scientific discourse than a part of land-management practice, largely because their inordinate numbers, taxonomic challenges and general unfamiliarity make invertebrates too intimidating for most land-management agencies. Terrestrial invertebrates will not be widely adopted as bioindicators in land management until simple and efficient protocols have been developed that meet the needs of land managers. There are several characteristics that an indicator species must have, the most notable being ease of measurement, sensitivity to environmental stress, and predictable responses to environmental stress. Ants are increasingly being recognized as useful tools as bioindicators for land managers to monitor ecosystem health conditions. This group has useful characteristics for successful indication and monitoring of environmental impacts, including widespread distribution, high abundance, importance in ecosystem functioning, ease of sampling, and latively well-known taxonomy and ecology. With this back ground, we aimed to conduct review of literature study with the main purpose to describe and delineate on current perspectives on use of ants as bioindicators.
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Intensive exploitation of natural resources and the resulting impacts on pristine habitats have led to calls from the scientific community and the general public to measure or monitor the level of these environmental impacts. The indicator qualities of terrestrial invertebrates are widely recognized in the context of detecting ecological change associated with human land-use. However, the use of terrestrial invertebrates as bioindicators remains more a topic of scientific discourse than a part of land-management practice, largely because their inordinate numbers, taxonomic challenges and general unfamiliarity make invertebrates too intimidating for most land-management agencies. Terrestrial invertebrates will not be widely adopted as bioindicators in land management until simple and efficient protocols have been developed that meet the needs of land managers. There are several characteristics that an indicator species must have, the most notable being ease of measurement, sensitivity to environmental stress, and predictable responses to environmental stress. Ants are increasingly being recognized as useful tools as bioindicators for land managers to monitor ecosystem health conditions. This group has useful characteristics for successful indication and monitoring of environmental impacts, including widespread distribution, high abundance, importance in ecosystem functioning, ease of sampling, and latively well-known taxonomy and ecology. Therefore, in the current narrative review of literature we aimed describe and delineate current perspectives on use of ants as bioindicators.
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The International Union of Biological Sciences This is ICSU Introduction Microbial indicators of environmental water quality: the role of microorganisms in the assessment and prediction of changes in the marine environment induced by human activities Plants as bioindicators Animals as bioindicators Cell biological methods as indicators of environment The use of comparative physiological and biochemical methods in bioindication of the natural environment Biological monitoring for aquatic pollution Selected methods of bioindication in terrestrial ecosystems List of the Advisory Board and Steering Committee
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The purpose of this study is to provide a comprehensive summary of the major functions of avifauna as bioindicators of contamination and their impact on conservation. Birds have been utilised as bioindicators of contamination globally for a long time. When their functions and numbers are taken into account, bioindicators—species that are used to assess the health of the environment—are capable of evaluating the integrity of the ecosystem. Birds are excellent indicators because they are very noticeable and their existence is simple to spot in any setting. They are also equipped with the ability to fly, so they may flee from an environment if it does not meet their ecological needs. In addition, due to their widespread distribution, individual species are simple to recognise in classification. When their functions and numbers are considered, bioindicators can evaluate the integrity of the ecosystem. Birds are excellent indicators since they are simple to spot and observe in any environment. Although necessary for life, heavy metals can be harmful at high levels and disrupt behaviour and productive function. They can also be easily ingested and biomagnified through food or the food chain. Therefore, the use of birds as bioindicators depends on the features of interest and the resources available for ecological evaluation, which encourages the conservation of bird species for the next generation.
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