Pacific madrone (Arbutus menziesii) is in decline in urban areas of the Pacific Northwest. Maintaining significant populations of this species requires development of restoration techniques for urban environments. My research consists of investigating the effects of light, irrigation and native soil on the establishment of Pacific madrone. I transplanted 104 one year madrone seedlings into an u...

This paper reviews various impacts of urbanization on rivers and streams, which lead to symptoms summarized by the general term “urban stream syndrome”. Growing areas of impervious surfaces cause deterioration of water recipients flowing through urban areas. The symptoms of deterioration usually include altered chemical parameters of water and sediment, accumulation of priority pollutants in aq...

Nutrient spiraling in theory and application provides a framework for comparing nutrient retention efficiency of urban streams to relatively unaltered streams. Previous research indicated that streams of the southwestern USA deserts are highly retentive of N because of N limitation, high productivity, and high channel complexity (in particular, extensive transient storage associated with the hy...

Abstract Urban flooding is an increasing hazard and expected to aggravate with climate change. The opening of a piped urban river in Copenhagen explored mitigate as result rising groundwater table. In the case study, hydrological model has been used calculate effect reopening currently its natural environment nature-based solution (NBS). From results modelling scenarios, we have set up simple d...

Climate change and human activities continue to result in negative environmental impacts that alter land productivity, ecosystem health, their potential uses. However, these are being addressed through restoration frameworks do not include the robust narrative on links between Indigenous peoples. This link peoples is visible owing linearity of deep roots Western science. In this article, author...

This paper employs an economic-engineering optimization model to explore water supply options for environmental restoration of the Colorado River Delta, Mexico. Potential water sources include reductions in local agricultural and urban water use through water markets, wastewater reuse, and additional Colorado River flows from the United States. For these alternatives, the optimization model est...