Estimates of terrestrial biomass depend critically on reliable information about the specific gravity of the wood of forest trees.The study reported on here was carried out in the southern Peruvian Amazon and involved collection of wood samples from trees (70 spp.) in intact forest stands.Results demonstrate the high Accessories degree of variabili
Background Adolescents in sub-Saharan Africa often report low levels of quality of life (QoL) and well-being, but reliable data are limited.This study examines which sociodemographic, health, and behavioral risk factors and adverse adolescent experiences are associated with, and predictive of, QoL in Kenyan secondary schoolgirls.Methods and finding
The performance of a multilayer magnetic shield directly affects and limits the sets sensitivity improvement of an atomic magnetometer.To better meet the requirements of spin-exchange relaxation free atomic magnetometer for the environmental magnetic field, the magnetic shield should be optimized.At present, the optimizations have focused only on a
Aerosol physical, chemical and hygroscopic properties were measured in a range of airmasses during COPS (Convective and Orographically-induced Precipitation Study) ground-based in June and July of 2007 at the Hornisgrinde mountain site in the Black Forest, Southwest Germany.Non-refractory aerosol composition was measured with an Aerosol Mass Spectr