May 2012

Bioacoustic analysis of advertisement calls of two ground-frogs of the genus Platymantis in Mount Magdiwata, San Francisco, Agusan del Sur, Philippines

  This study described the advertisement calls of two ground-dwelling species of frogs of the genusPlatymantis from Mount Magdiwata, San Francisco, Agusan del Sur, Philippines. The two species shared a common micro-habitat preference being found on rocks or edges of slope ground, leaf litter, and on steep slopes of stream banks. The researchers analyzed the calls for their temporal and spectral...

Author(s): Gregie P. Tampon, Olga M. Nuñeza, and Arvin C. Diesmos

May 2012

Determination of sex in Zamia fischeri Miq., an endangered gymnosperm

  Sex determination of Zamia fischeri Miq., one of the endangered cycads was done using peroxidase profiling, two-dimensional gel electrophoresis of proteins and RAPD-based approaches to find an easy and reliable molecular marker. Sex at pre-flowering stage could not be resolved by peroxidase isozymic profiling. Use of sex organ specific tissues as enzyme source resulted in marked differentiation in...

Author(s): Subhash Kanti Roy, Gaurab Gangopadhyay and Kalyan K. Mukherjee

May 2012

Agroforestry practices and flora composition in backyards in Hiwane, Hintalo Wejerat of Tigray, Northern Ethiopia

  Backyard (home garden) agroforestry practice is most popular in the northern part of the country. This backyard agroforestry is practiced as a mixture of crops (vegetables, herbs) and trees (fruits and fodder trees) to provide diversified products to the cultivators. This study found over 40 species of plants maintained in home garden of the study area. Furthermore, agroforestry practice in backyard has a...

Author(s): Tsegazeabe H. Haileselasie, and Mekonen T. G. Hiwot