Biochemical and Environmental Insights of Declining Vulture Population in Some South Asian Countries: Role of Diclofenac

Paital, Biswaranjan; Das, Sachidananda

doi:10.4172/2153-2435.1000436

Cited by 5 publications

(9 citation statements)

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“…For example, variable environmental drivers are found to push turkey vultures (Cathartes aura) for frequent movement and to change their habitat in North and South America [30]. Such factors are already covered in a recently published review article by Paital et al [29]. The authors made a perspective that hunting [31], pollution [30,[32][33][34], food scarcity and cannibalism [24,33,34], ingestion of contaminated food and food poisoning [35][36][37][38][39][40][41], multiple physiological disorders including nutritional problems [14,42], lack of proper nesting and resting places [8], genotoxic factors [43,44], problems related to breeding [24,45], electrocution and air traffic [38,46,47] epidemic and endemic diseases [38,[48][49][50][51], pathological susceptibility [22,41,48,[52][53][54] etc.…”

Section: Other Reasons For Vulture Mortalitymentioning

confidence: 97%

“…Many authors states that diclofenac contributes to renal failure and hepatotoxicity, is the only cause of vulture population decline in India [11][12][13][14][15][16][17][18]28,34,[56][57][58][59][60]. However, the available reports are inadequate for arguing whether diclofenac is the only main cause of vulture mortality or whether, following diclofenac biomagnification, the increased susceptibility of vultures to microbial pathogens, diseases or physiological disorders, such as OS followed by metabolic depression, is responsible for their mortality in large scale [29].…”

Section: Biochemical Insightsmentioning

confidence: 99%

“…All of the above processes influence avian life to a great extent. As has already been mentioned, neck-drooping followed by mortality in oriental white-backed vultures (G. bengalensis) is correlated with a failure to thermoregulate under increased environmental temperature [29]. According to records available at the Regional Museum of Natural History in Bhubaneswar, India in 1992, slender-billed vultures (G. tenuirostris) were known to make their nests in large trees, such as banyan, mango, bullet wood etc., in the coastal belt of the Jagatsinghpur District of Odisha, but when the trees were cleared, the vulture population declined sharply [29].…”

Section: Reasonsmentioning

confidence: 99%

“…The reason is mainly defined to their renal failure and hepatotoxicity induced by diclofenac [29]. However, it is debatable whether diclofenac is the only main cause of vulture mortality or following diclofenac biomagnification, the increased susceptibility of vultures to microbial pathogens, diseases or physiological disorders, such as OS and metabolic depression or natural disasters are responsible for their mortality in large scale.…”

Section: Is Diclofenac Biomagnification the Only Cause Of Vulture Mormentioning

confidence: 99%

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Role of Cyclonic Storm as Natural Disaster and other Factors on Vulture Mortality in India

Paital¹

2016

J Geogr Nat Disast

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Post mortem analyses in vultures across India and its neighboring countries traced diclofenac and its derivative compounds in their carcasses. Therefore, it is inferred that biomagnification of diclofenac from the consumed infected domestic animal carcasses contributes mortality by causing renal failure and hepatic damages in vultures. However, reports also indicate that both extrinsic environmental and intrinsic cellular causes might also be contributing factors. It offers a debate to confirm whether only diclofenac is the primary cause of vulture mortality versus their susceptibility to microbial pathogens, diseases or physiological conditions, such as oxidative stress due to diclofenac biomagnification. It is observed that natural disasters such as heavy cyclonic storm which affect arboreal life may be one of the major causes of the death of vultures in some parts of India. Therefore, extrinsic insults such as heavy cyclonic storms are believed to be also contributing factor to affect arboreal life including vultures in some other parts of the world. A perspective is made on the above facts as a cause of catastrophic mortality of vultures in India.

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Section: Other Reasons For Vulture Mortalitymentioning

confidence: 97%

Section: Biochemical Insightsmentioning

confidence: 99%

Section: Reasonsmentioning

confidence: 99%

Section: Is Diclofenac Biomagnification the Only Cause Of Vulture Mormentioning

confidence: 99%

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Role of Cyclonic Storm as Natural Disaster and other Factors on Vulture Mortality in India

Paital¹

2016

J Geogr Nat Disast

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“…Automated surveillance system can be used, for example, that was used to monitor the siblicide in a bearded vulture (Gypaetus barbatus) nest in Crete from 2003-2006. Therefore, further multiple field and laboratory approaches must be implemented to revive vulture populations in India and elsewhere the problem persists [3,4].…”

Section: Conservation Measuresmentioning

confidence: 99%

Diclofenac Induced Vulture Deaths in Odisha, India: Time to Debate or Conserve Them?

Biswaranjan¹,

D²

2016

Pharm Anal Acta

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Changes in physicochemical, heavy metals and air quality linked to spot Aplocheilus panchax along Mahanadi industrial belt of India under COVID-19-induced lockdowns

Paital

Pati

Panda

et al. 2022

Environ Geochem Health

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Positive effects of COVID-19-induced lockdowns on environment are well documented although pre-planned experiments for such analyses and appearance of fish species are lacking. We hypothesize that spotting the fish Aplocheilus panchax along the industrial belt of Mahanadi River near Cuttack in a never seen manner could be due to the regenerated environment. Heavy metals, water and air qualities along with spotting A. panchax in up, mid and downstream of Mahanadi River near Jagatpur industrial basins were analysed during pre-(end of March 2020) and after 60 days of lockdowns (last week of May 2020). An overall 45, 61, 79, 100, 97 and 90% reduction of Fe, Cu, Ni, Cd, Pb and Zn was recorded in the studied area after lockdowns, respectively. Similarly, dissolved oxygen and pH were elevated by 26 and 7%, respectively. Water temperature, conductivity and total dissolved solute levels were reduced by 7, 46 and 15%, respectively, which were again elevated during post-lockdowns during 2021 as observed from the Landsat-8 OLI satellite data. Air NO 2 , SO 2 , NH 3 , PM 2.5 , PM 10 and CO levels were alleviated by 58.75, 80.33, 72.22, 76.28, 77.33 and 80.15%, respectively. Finally, for the first time, about 12 A. panchax fish per 100 m shore line in the area were spotted. The observed lockdown-induced environmental healing at the studied area could contribute to the appearance of A. panchax in the study site and therefore a stringent environmental audit is suggested during post-COVID-19 periods to make the regenerated environmental status long lasting in such habitats. Supplementary Information The online version contains supplementary material available at 10.1007/s10653-022-01247-3.

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Biochemical and Environmental Insights of Declining Vulture Population in Some South Asian Countries: Role of Diclofenac

Cited by 5 publications

References 0 publications

Role of Cyclonic Storm as Natural Disaster and other Factors on Vulture Mortality in India

Role of Cyclonic Storm as Natural Disaster and other Factors on Vulture Mortality in India

Diclofenac Induced Vulture Deaths in Odisha, India: Time to Debate or Conserve Them?

Changes in physicochemical, heavy metals and air quality linked to spot Aplocheilus panchax along Mahanadi industrial belt of India under COVID-19-induced lockdowns

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