JE-VOLUME 04 ISSUE 02 JULY 2015


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Volume 4 Issue 2, July 2015

Journal of Environment

ISSN

2049-8373

Publication Frequency

6 Issues per year

Pages

22-35

Publication History


Original Articles

Short Communication: Blood Rain Phenomenon in Kerala State, India

Dr. Sainudeen Pattazhy

Pages 22-24

Bioremediation of Heavy Metal Contaminated Soil using Earthworm Eisenia fetida

Gaganmeet Kaur and S.S Hundal

Pages 25-29

Extraction of Extracellular Polymer in the Ariake Sea (Kyushu, Japan) Tidal Flat Sediments and Effects of the Polymers on Sedimen-tation Aggregation

Hiarki Tsuchioka, Atsushi Hashimoto, Kotaro Akagi, Yumi Katayama, Biplob Biswas and Hiroyuki Harada

Pages 30-35

Title

Short Communication: Blood Rain Phenomenon in Kerala State, India

Abstract

Red rain has been noticed in several parts of the world since 1818. In Kerala state, India, red rain occurred in different parts in 2001-2002. In 2011, the red rain occurred in isolated parts of Kerala alo-ng with which the geological phenomenon such as collapse of wells, landslides, earthquakes were also reported. Red rain water and no-rmal rain water were analyzed. In the red rain, a number of bio-cells and several ores including chromium (V1) were observed while in normal rain water Cr (V1) was absent and the numbers of bio-cells were also very low. In the red rain water, bio-cells and water had shown gradual colour changes. The new findings were that the-re is release of sub-surface gases from underground owing to geol-ogical phenomenon like earthquakes, landslides, caving in of wells, etc. Several ores (minerals) get discharged in to the atmosphere alo-ng with these gases. These ores in the red rain water gives the red colour to the water and biocells. The different colours of water corr-esponded to the different types of ores present in the medium. Thus a direct correlation of red rain with geological phenomenon was no-ted in this study.

Keywords

Red Rain, Bio-Cells, Geological Phenomenon, Ores

Title

Bioremediation of Heavy Metal Contaminated Soil using Earthworm Eisenia fetida

Abstract

The study focuses on the potential of Eisenia fetida to accumulate heavy metals from contaminated soil into body tissues so as to affect bioremediation. Samples of contaminated soil were collected from five different sites in the vicinity of Buddha Nullah at Ludhiana, India and analysis identified Lead, Chromium and Nickel as promi-nent metals. To test the potential of bioaccumulation metals were added to artificial soil in ratios similar to those found at sites and earthworms were released into the trays. The experiment ran in tri-plicate for 28 days. The results indicated that bioaccumulation of heavy metals (Pb, Cr, Ni) takes place in earthworm tissue. As the availability of heavy metal was high the earthworms accumulate much on their body tissues. The percent remediation in soil with hig-hest dose of lead was 42.3%, chromium 24.5%, and nickel 8.5%. Res-ults indicated that as compared to other metals lead was remediat-ed easily.

Keywords

Bioaccumulation, Bioremediation, Eisenia fetida, Heavy Metals, Soil

Title

Extraction of Extracellular Polymer in the Ariake Sea (Kyushu, Japan) Tidal Flat Sediments and Effects of the Polymers on Sedimen-tation Aggregation

Abstract

The Ariake Sea is a largely enclosed body of seawater on Kyushu Island, Japan, within which about 40% of tidal flats habitat throug-hout Japan occur. Surround by urban and rural areas, this environ-ment has recently degraded with increase in eutrophication, organ-ic input, and tidal sediments which have become muddier. The reas-ons for this deterioration are not clear though. Adsorption of water-soluble Extracellular Polymeric Substances (EPS) by microorgani-sms and algae within the sediments is one contribution possib-ility. Here, we examined and discussed adsorption behaviour of EPS to sediments, and through examination using hydrogen peroxide to remove organic materials from sediment samples. The relationship between carbohydrate and equilibrium in sediments due to EPS is shown to be linear.

Keywords

The Ariake Sea, Sediment, Extracellular Polymer Saccharide, Tidal Flat, Adsorption