Neotropical parrots usually forage in forest canopies for nectar, flowers, leaves, fruit pulp, and seeds.As they have no all-purpose territories, these birds usually exploit vegetation mosaics in order to use plentiful resources as they become available.In this study we examine the use of a gallery forest in the southern Pantanal (Brazil) by a dive

Aim: Policymaking in Vietnam has traditionally been the preserve of the political elite, not open to the scrutiny of those outside the Communist Party.This paper aims to analyse Vietnam's HIV policy development in order to describe and understand the policy content, policy-making processes, actors and obstacles to policy implementation.Metho

The core purpose of this paper was to analyze the trend analysis of Pakistan M BOTTOMS railways from the year 1950 to 2015, using the principal component analysis method and industrial life cycle theory.Industrial life cycle theory, the development trend analysis of Pakistan railway industry, entails four stages: introduction, growth, maturity, and

Sand dunes can change location, form or dimensions depending on wind direction and strength.Sand dune movements can be effectively monitored through the comparison Minerals of multi-temporal satellite images.However, not all remote sensing platforms are suitable to study sand dunes.This study compares coarse (Landsat) and fine (Worldview) resolutio