BACKGROUND Southeast Asia is recognized as a region of very high biodiversity, much of which is currently at risk due to habitat loss and other threats. However, many aspects of this diversity, even for relatively well-known groups such as mammals, are poorly known, limiting ability to develop conservation plans. This study examines the value of DNA barcodes, sequences of the mitochondrial COI ...

Despite growing concerns over mercury (Hg) exposure to humans and wildlife on a global scale, little is known about Hg bioaccumulation in the New World tropics. From 2005 to 2011, we monitored Hg concentrations in blood of nine avian species occupying a geographic range of tropical wet broadleaf sites on the island of Hispaniola, including eight passerines (two Nearctic-Neotropical migrant and ...

plantations may influence soil fauna directly or indirectly. this research was conducted in order to study the influence of species plantations on soil macrofauna. plantations of eight tree species including nitrogen fixing trees and non-nitrogen fixing trees based on complete randomized block design with 3 replicates were established in 1372 in dez riverside. soil macrofauna were studied rando...

examination of faecal samples of 6,430 school children aged between 2 and 20 years, for gastrointestinal parasites using sedimentation and kato smear techniques was carried out in benin city, nigeria between january 1997 and december 1998. four thousand two hundred and thirty six (65.8%) were infected. three species of protozoa and 8 species of helminths were recorded as follows: entamoeba hist...

In the present study, the eighteen miniwatersheds of Kadam watershed of Middle Godavari sub basin (G-5) have been prioritized using GIS based on morphometric analysis. The highest Bifurcation ratio is found to be 11.95 for 4E3C5a. The Maximum values of Circularity ratio of 0.642 and Drainage density of 3.510 have been found in Lothuvara miniwatershed. The Maximum values of Stream frequency of 7...