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Volume 25, Issue 86 - 90, November 2014

About the Cover

Tropical estuaries are potential contributors of dimethylsulfide (DMS), a climatically relevant volatile sulfur compound and its precursor dimethylsulphoniopropionate (DMSP). In order to understand the distribution of DMS and its consequent fluxes from the intertidal beach of a tropical estuary, we monitored the DMS concentrations and estimated the flux from the surfwater of Dona Paula Bay for a period of one year. The probable drivers of variability of this compound were also measured. Our results show that the average DMS concentration was highest during the monsoon season (7.64nM) followed by post-monsoon (6.71nM) and pre- monsoon (1.58nM). Consequently, the estimated sea-air flux of DMS is monsoon > post-monsoon > pre-monsoon at 24.75> 18.93> 2.29 uM m-2d -1 respectively. Besides light, temperature affected DMS concentrations irrespective of the season. Influence of salinity was restricted to monsoon and was responsible for 26% variation in DMS. Our study highlights the significant contribution of the anti-greenhouse gas, DMS from intertidal beaches especially during monsoon when it exceeds some of the coastal and open ocean measurements reported earlier.


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DISCOVERY OF THE MONTH

Discovery of superb lyrebird (Menura novaehollandiae) by Thomas Davies on 4 November 1800

Brindha V

The superb lyrebird (Menura novaehollandiae) is a pheasant-sized Australian song bird. The superb lyrebird is featured on the reverse side of the Australian 10 cent coin. The superb lyrebird can be found in the forests of southeastern Australia, from southern Victoria to southeastern Queensland.

Discovery, 2014, 25(86), 6

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RESEARCH

Environmental drivers of temporal variability in DMS (P) in the surfwater of a tropical intertidal beach

Pandey Sunita Surendra, LokaBharathi PA

Tropical estuaries are potential contributors of dimethylsulfide (DMS), a climatically relevant volatile sulfur compound and its precursor dimethylsulphoniopropionate (DMSP). In order to understand the distribution of DMS and its consequent fluxes from the intertidal beach of a tropical estuary, we monitored the DMS concentrations and estimated the flux from the surfwater of Dona Paula Bay for a period of one year.

Discovery, 2014, 25(86), 7-14

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ANALYSIS

The five key solutions to rescue the landscaping sector in the United Arab Emirates (UAE)

Suzan Shahin, Mohammed Abdul Mohsen Salem

The United Arab Emirates (UAE) is a country located in the arid region of the world with limited fresh water resources. The main water resource that plays significant role in converting the UAE desert into a green paradise is the groundwater, which supplies 70% of the total water resources in the country.

Discovery, 2014, 25(88), 41-47

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The evaluation of antimicrobial activity of cotton fabric dyed with eco-friendly natural colourant extract (Trianthema pentendra) against bacteria

Birniwa AH, Abdulmumin Y, Abdu Umar, Salisu AA, Musa H, Gumel SM

Dyeing and testing antimicrobial effect on cotton fabric were achieved using eco-friendly natural extract (Trianthema pentendra). Partitions of extracts were done using ethanol, ethyl acetate, chloroform and hexane solvents.

Discovery, 2014, 25(88), 48-53

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Effect of Plantaricin FF1 on the Mycelia of Aspergillus Niger

Adebayo Cecilia O, Akande Taiwo T, Aderiye Babatunde I

Fermented foods are largely consumed in Nigeria where they constitute a bulk of the diet especially fungi, because of their high moisture content. Biocontrol, especially using bacteriocin is a good antidote to this. Bacteriocin is the most potent antimicrobial compound produced by lactic acid bacteria.

Discovery, 2014, 25(89), 64-67

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Enhancing Healthy Lifestyle of UAE Nationals in Dubai

Amal AB Ghalaita, Fawzeya MH Shanbih, Manal A Hussain, Amala V Rajan

Living a healthy lifestyle is very important for lowering the chance of having chronic diseases related to lifestyle habits, such as Diabetes, Cardiovascular Diseases, Hypertension and High Blood Pressure. More than 50% of UAE population are either overweight or obese.

Discovery, 2014, 25(90), 75-82

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Creative Commons License

© The Author(s) 2014. Open Access. This article is licensed under a Creative Commons Attribution License 4.0 (CC BY 4.0).