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Full-Text Articles in Pharmacology, Toxicology and Environmental Health

Role Of Urban Parks In Carbon Sequestration– A Case Study Of Safari Park, Karachi, Pakistan, Amna Bano, Minzah Shehzad, Hasnain Kazmi, Jamshaid Iqbal Dec 2023

Role Of Urban Parks In Carbon Sequestration– A Case Study Of Safari Park, Karachi, Pakistan, Amna Bano, Minzah Shehzad, Hasnain Kazmi, Jamshaid Iqbal

Journal of Bioresource Management

Urban parks besides their recreational use can be the potential source of climate mitigation through carbon sequestration. Present study aims to identify the carbon sequestration potential of Safari Park which is by far the largest public park of Karachi established in 1970 covering an area of 0.72 km2. A total of 153 individual trees belonging to 25 species and 14 families were included in the study. Five dominant species with highest Important Value Index (IVI) were Cocos nucifera (14.62 %), Azadirachta indica (14.21 %), Guaiacum officinale (9.93 %), Washington robusta (9.31 %) and Delonix regia (7.11 %). The …


Human Health Risk Assessment Of Some Heavy Metals In Eme River, Umuahia, Abia State, Nigeria, Emeka Donald Anyanwu, Onyinyechi Gladys Adetunji, Paschal Emeka Etusim, Solomon Nnanna Umeham Aug 2023

Human Health Risk Assessment Of Some Heavy Metals In Eme River, Umuahia, Abia State, Nigeria, Emeka Donald Anyanwu, Onyinyechi Gladys Adetunji, Paschal Emeka Etusim, Solomon Nnanna Umeham

Journal of Bioresource Management

This study evaluated the health risk of some heavy metals in Eme River, Umuahia. The study conducted in 6 stations was between December 2017 and November 2018. The non-carcinogenic method that involves determination of chronic daily intake (CDI), hazard quotient (HQ) and hazard index (HI) was applied in the assessment of ingestion, dermal and incidental ingestion exposures. Iron, lead and cadmium exceeded their limits and warranted risk assessment. The heavy metals’ CDI values for the three routes were lower than their respective reference doses except for cadmium (ingestion route). Except for cadmium (ingestion), the hazard quotients also recorded values lower …


Morphological And Physiological Responses Of A Halophyte (Atriplex Halimus) To The Effect Of Heavy Metal Case Of Cadmium, Abderrezzeq Chebout, Hana Souahi, Zahia Kadi, Rania Gacem Mar 2023

Morphological And Physiological Responses Of A Halophyte (Atriplex Halimus) To The Effect Of Heavy Metal Case Of Cadmium, Abderrezzeq Chebout, Hana Souahi, Zahia Kadi, Rania Gacem

Journal of Bioresource Management

Today, cadmium (Cd) contamination challenges the environmental quality and food security. This experiment was realized to study the morphological and physiological response of the halophyte species Atriplex halimus L to cadmium toxicity by applying different concentrations of Cd (0, 500, 1000, 1500, 2000 ppm) on the plant A.halimus for two weeks after 60 days of seeding. The morphological parameters and physiological wish evaluated the stem length (SL), root length (RL), leaf area (LA), chlorophylls (a, b, t and carotenoids), and the relative water content (RWC). The results show a decrease in stem elongation, (11.333 ± 3.512 cm in Cd treatments …


Potential Of Constructed Wetlands For The Treatment Of Heavy Metals From Wastewater, Hasnain Raza, Qurat Ul Ain, Haseena Bibi, Tehmina Bibi, Huda Bilal Mar 2023

Potential Of Constructed Wetlands For The Treatment Of Heavy Metals From Wastewater, Hasnain Raza, Qurat Ul Ain, Haseena Bibi, Tehmina Bibi, Huda Bilal

Journal of Bioresource Management

Overpopulation, urbanization, and economic race increase the pressure on freshwater resources resulted in water scarcity challenges around the globe. Moreover, the generation of wastewater also enhancing the scarcity threats for freshwater resources. Water scarcity issues forced the policymaker, thinker, scientist, and researcher to think about non-conventional water resources to cope with the increasing demands. Because of this wastewater recycling and treatment play an evident role to fulfill the growing demand for freshwater in socioeconomic sectors especially, for agriculture due to its 70 % dependency on freshwater resources. Different wastewater treatment methods along with merits and demerits are in practice for …


Plastic Biodegradation Through Insects And Their Symbionts Microbes: A Review, Huda Bilal, Hasnain Raza, Haseena Bibi, Tehmina Bibi Oct 2021

Plastic Biodegradation Through Insects And Their Symbionts Microbes: A Review, Huda Bilal, Hasnain Raza, Haseena Bibi, Tehmina Bibi

Journal of Bioresource Management

Plastic waste has recently been identified as one of the most serious environmental issues, affecting all life forms, natural habitats, and the economy, and is one of the most serious global environmental problems, second only to climate change. Seeking alternative environmentally sustainable options, such as biodegradation instead of conventional disposal, is critical in the face of this challenge. However, there is currently a lack of information about the mechanisms and efficacy of plastic biodegradation. From this perspective, this study aims to illustrate the negative environmental impacts of the plastic waste. It also addresses the role of insects and gut microbiota …


Land Application Of Sewage Sludge: Physiological And Biochemical Response Of The Rio Grande Tomato, Nabil Charchar, Ali Elafri, Redwane Rais, Halassi Ismahen Jun 2020

Land Application Of Sewage Sludge: Physiological And Biochemical Response Of The Rio Grande Tomato, Nabil Charchar, Ali Elafri, Redwane Rais, Halassi Ismahen

Journal of Bioresource Management

Treated wastewater produces sewage sludge as a by-product that may have beneficial implications on agricultural practices. The effects of sludge amendments on growth, morphological and biochemical characteristics of the agro-industrial Tomato cultivar Rio Grande were observed. A pot culture experiment was carried out during 4 months (16 February 2019 to 18 June 2019), at an experimental green house in the locality of Salah Soufi, Guelma, north-eastern Algeria. There were significant differences between soil and sewage sludge samples. Total nitrogen (20.58 mg/kg) was more available in sewage sludge than in soil (N = 2.09 ± 0.3 mg/kg). In contrast, sludge …