Journal of Plant and Environmental Research


Population Structure of the Macroalgae in the Reef Plateau of Piedade Beach (Jaboatão Dos Guararapes-PE)

Research article of Journal of Plant and Environmental Research Population Structure of the Macroalgae in the Reef Plateau of Piedade Beach (Jaboatão Dos Guararapes-PE) Fernanda Alves Ribeiro1,*; Sonia Maria Barreto Pereira2; Yocie Yoneshigue – Valentin3; George Emmanuel Cavalcanti de Miranda4 1Prefeitura de Jaboatão dos Guararapes;2Universidade Federal Rural de Pernambuco;3 Universidade Federal do Rio de Janeiro; 4Universidade Federal da Paraíba. Objective: This work analyzes the structure of macroalgae populations on the reef plateau of Praia de Piedade (08º 10 ’S and 34º 56’W), south coast of Pernambuco state. Methodology: The Relevés method was used. Collections were carried out from January to March and May to July 2005 at stations E1 and E2, in the region between tides. Results: The following parameters were observed: the total number of species (T), the covering of each taxon (Ri), total covering (Rt), diversity (H ‘) and equitability (J). 56 infrageneric taxon were identified, being 31 Rhodophyta, 7 Ochrophyta and 18 Chlorophyta. The total coverage varied between 25.58% at station E2 in June and 85.54% at station E1 in July. The diversity varied from 1.74 to 2.7 bits.cel-¹ in the two periods. Conclusion: These results demonstrate that the macroalgae populations on the reef plateau have medium diversity and are formed by fouling, erect and epiphytic strata. Keywords: Brazil, population structure, macroalgae, northeast, reef ...

Nutritional and Anti-nutritional Composition of two Agroforestry tree species

Research article of Journal of Plant and Environmental Research Nutritional and Anti-nutritional Composition of two Agroforestry tree species Sobola O. O1, *, Oke D.O2 & Adedayo  A.G2 1Department of Forestry and Wildlife Management, Federal University of Wukari Taraba State, 2 Department of Forestry and Wood Technology, Federal University of Technology Akure Savanna biome is endowed with many tree species bearing edible fruits, seeds and nuts for human consumption. These fruits play an important role in human nutrition owing to their nutritional values, vitamins, minerals, anti-oxidants and low anti-nutritional factors. The nutritional and anti-nutritional composition of Adansonia digitata and Parkia biglobosa pulp and seeds from guinea savanna eco-system were examined in this study. The nutritional and anti-nutritional composition of the fruits differs. Moisture content was higher (11-18%) in the fruit pulp than in the seeds while the seeds of the two species are rich in protein (16-20%). Parkia biglobosa seeds proved a better source of crude fat (13%), crude fiber (10%), the ash content was slightly higher (4-5%) in the seeds than the fruit pulp. Crude fat (7.91%), crude fibre (7.52%) was higher in Adansonia digitata seed than the fruit pulp. Anti-nutritional content of Adansonia digitata and Parkia biglobosa was generally low, indicating that their consumption would not pose nutritional or health challenges. However the higher anti-nutritional factor in the seeds could be reduces through appropriate processing techniques. Keywords: Savanna biome, Anti – nutritional, Techniques, Consumption ...

Phytostabilzation as a sustainable phytoremediation strategy for lead contaminated soil – Screening of biofuel plants for lead tolerance and accumulation

Research article of Journal of Plant and Environmental Research Phytostabilzation as a sustainable phytoremediation strategy for lead contaminated soil – Screening of biofuel plants for lead tolerance and accumulation Hira Amin1*, Basir Ahmed Arain1, Taj Muhammad Jahangir2, Abdul Rasool Abbasi3, Muhammad Sadiq Abbasi4, Farah Amin5 1Institute of Plant Sciences, University of Sindh, Jamshoro 76080 - Pakistan; 2Institute of Advanced Research Studies in Chemical Sciences, University of Sindh, Jamshoro 76080 – Pakistan; 3Department of Fresh Water Biology and Fisheries, University of Sindh, Jamshoro 76080 - Pakistan; 4Department of Mathematics & Statistics, Quaid-e-Awam University of Engineering, Science & Technology Nawabshah 67480 – Pakistan 5National Centre of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080 – Pakistan The contamination of soil by lead has one of the major environmental problems globally. In present study, the experiment was carried out for lead contaminated soil with four plant species i.e., A. esculentus, A. sativa, G. abyssinica and G. max that were subjected to six lead concentrations i.e., 100, 200, 400, 600, 800 and 1000 mg Pb kg-1 soil. Soil without spiked were taken as control and investigated for lead phytotoxicity, tolerance and accumulation. After 12 weeks of experiment, lead toxicity on growth and biochemi-cal parameters were determined. For four plant species, seed germination and most of the growth parameters were significantly (p<0.05) reduced under high lead stress. Chloro-phyll contents were also decreased with increased lead concentrations. Accumulation of lead was higher in roots than shoots of all studied plants. Among the four plant species, significant highest lead accumulation was found in the roots and shoots of A. sativa. Bio-concentration factor, bioaccumulation coefficient, translocation factor and phytoremdia-tion ratios were suggested that A. sativa with high lead tolerance and accumulation capac-ity has considered an efficient plant for the reclamation of lead contaminated soil. Keywords: Lead; toxicity; ...

Treatment & Reclamation Of Train And Track Wash Water At Trivandrum Railway Station

Research article of Journal of Plant and Environmental Research Treatment & Reclamation Of Train And Track Wash Water At Trivandrum Railway Station Sarayoo K Sudhakaran and Lea Mathew Department of Civil Engineering, College of Engineering Trivandrum, APJ Abdul Kalam Technological University, Thiruvananthapuram, Kerala,India. Trivandrum central railway station is one of the biggest customers of Kerala water au-thority. The water consumption of railway station is about 50 ML/ month. A major por-tion of the water consumed is utilized for washing trains and tracks. Therefore, about 0.8 MLD of waste water is produced as train and track wash water in the Trivandrum cen-tral railway station. This waste water is discharged into public sewage line without any treatment. If this waste water can be reclaimed it can be reused for washing trains, tracks and platforms. In this study, the waste water samples at Trivandrum railway station were taken from three sources (Bio toilet effluent, fresh train wash water, sewage line waste water) and examined for the water quality parameters. The initial water quality parameters of the sample inferred that this waste water is treatable and reclaimable. For that a lab scale model of treatment unit was set up. After the treatment, the maximum BOD reduction was 94%, COD reduction 82.5%, Total solids reduction 98% and oil& grease reduction 99% was reported. The final effluent quality parameters satisfied KSPCB limits. The maximum quantity of waste water produced was found as 0.8 MLD from the data. By treating 8L of waste water in the lab scale model, a good quality effluent of 2.5L was obtained. By implementing a WWTP in the Trivandrum railway station 0.25 MLD of water can thus be reclaimed. Keywords: WWTP, KSPCB,BOD,COD ...

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Journal of Plant and Environmental Research

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