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Greenhouse gas production in nitrogen removal wetlands

Nitrogen removal wetlands are constructed in agricultural areas as a measure to reduce the amount of non-point source nitrogen that reaches coastal areas. Methane and nitrous oxide, two greenhouse gases, are produced under anaerobic conditions and an increased amount of waterlogged areas will therefore increase the potential emission of these gases. The question has arisen: Are we solving one envi

Exploring Smaller Settlements of the Great Zimbabwe Tradition, Buhera Region, Zimbabwe

Most work on the Great Zimbabwe tradition has focused on Great Zimbabwe itself and its major successor settlements. Smaller, contemporary stonewalled sites, some hundreds of kilometres from Great Zimbabwe, have been only mapped in most cases. Our goal has been to begin to explore both the homesteads within stone-enclosures at smaller Great Zimbabwe-tradition sites, and to seek out homesteads lying

Pre-Conference Clinical Workshop: Cognitive Therapy for Childhood PTSD

About 1 in 4 children exposed to a traumatic event will develop symptoms of PTSD, separation anxiety, obsessive-compulsive disorder, specific phobia, generalised avoidance and/or depression that persist more than one month after the trauma, and greatly interfere with individual and family functioning. Trauma-focused cognitive-behavioural therapy (TF-CBT) can reduce these symptoms and greatly impro