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As contributors to governmental initiatives to reuse wastewater pollutants in the European Union, the United States and China, we consider that decentralized recovery of these resources could result in more environmental, economic and social benefits than the near-term upgrade of centralized facilities China boom leaves children behind Some 61 million children were left behind by migrant parents in China in 2010-14, or almost 22% of the country's children (see go.nature.com/clylrn; in Chinese). This side effect of urban development is seriously affecting the mental and physical health of those abandoned juveniles who are uncared for. We urge China's government to weigh this social damage against economic gain and to take steps to mitigate it. There were 274 million Chinese migrant workers in 2014-an unprecedented number. Evidence is increasing for the adverse effects of such upheaval on some children's physical, psychological and social development (Q. Li et al.

Three new Talaromyces species isolated from soil are reported here, namely T. dimorphus (ex-type strain AS3.15692 T), T. lentulus (ex-type strain AS3.15689 T) and T. mae (ex-type strain AS3.15690 T). T. dimorphus is characterized by biverticillate and monoverticillate penicilli, ampulliform phialides, slimy texture with sparse mycelial funicles and absent conidiogenesis on MEA. T. lentulus is featured by vivid yellow mycelium on Cz and MEA, absent conidiogenesis on CYA, and globose smooth-walled conidia. T. mae presents sparse conidia on CYA and YES, funiculous and floccose texture on MEA, and ovoid smooth-walled conidia. Both morphological and molecular characters show that T. dimorphus is unique and has no close relatives. Although T. lentulus and T. mae resembles T. adpressus and T. pinophilus very much, phylogenetic analyses of CaM, BenA, ITS and Rpb2 sequences all support their status as novel species.

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