Journal of
Ecology and The Natural Environment

  • Abbreviation: J. Ecol. Nat. Environ.
  • Language: English
  • ISSN: 2006-9847
  • DOI: 10.5897/JENE
  • Start Year: 2009
  • Published Articles: 355

Table of Content: December 2009; 1(9)

December 2009

The contents of zooplankton of the Tungabhadra river, near Harihar, Karanataka and the saprobiological analysis of water quality

The plankton constitutes the basic food source of any aquatic ecosystems, which supports fish and other aquatic animals. Zooplanktons are microscopic animals that eat other plankton. The zooplankton community analysis and saprobiological characteristics of the Tungabhadra River using diversity index during December 2004 to November 2005. The present investigation can enrich knowledge on bio-indicators in understanding...

Author(s): B. Suresh, S. Manjappa, E. T. Puttaiah

  • Article Number: E7FFC183208

December 2009

Effects of sowing date and planting density on quantity and quality features in valerian (Valeriana officinalis L.)

This study was conducted as split plot field experiment in a randomized complete block design with four replications for one year planting. The main factors were the sowing dates (10 August, 1 and 20 September) and sub factors were the planting densities (4, 8 and 12 plants/m2). Our results showed that sowing date (SD) and planting density (PD) significantly affected grain yield, essential oil yield, essential oil...

Author(s): Elham Morteza, Gholam Ali Akbari, Sayed Ali Mohammad Modares Sanavi and Hossein Aliabadi Farahani

  • Article Number: 047EE733215

December 2009

Biology of pod fly, Melanagromyza obtusa Malloch on Cajanus cajan (L.) Millsp. in Manipur, India

The biology of Pod fly, Melanagromyza obtusa Malloch (Diptera: Agromyzidae) was studied during 2004 - 2005 in the laboratory of Department of Life Sciences, Manipur University, Imphal (Altitude: 790 msl and Latitude: 23.83oN - 25.68oN) at a temperature of 17.39 ± 0.23oC and 59.16 ± 0.39% relative humidity. The mean longevity of the adult pod fly was 6.59 ± 0.38 days. The...

Author(s): S. Subharani and T. K. Singh

  • Article Number: 260187A3224