منابع مشابه
Species for Christmas Tree Planting in Virginia*
Christmas trees can be grown through out the state, and growers are located in all regions. Se lec tion of the proper species, however, is important. Soil conditions and gen er al climate are the primary considerations influencing species selection, but other characteristics, such as con sum er pref er ence, species characteristics and require ments, condition of the planting site, and the pres...
متن کاملImplementing Municipal Tree Planting: Los Angeles Million-Tree Initiative
Urban forests are increasingly being seen as an important infrastructure that can help cities remediate their environmental impacts. This work reports on the first steps in implementing a million tree program in Los Angeles and the ways such a biogenic-living-infrastructure has been approached. Numbers of studies have been done to quantify the benefits of urban forests, but little has been writ...
متن کاملTree Planting in the South: What Does the Future Hold?
Projected increasing demands for timber coupled with reduced harvests on public lands have led to concern among some forest policymakers regarding the adequacy of future U.S. timber supplies. One question concerns the likelihood that prevailing market incentives will induce industrial and nonindustrial private landowners to intensify forest management. We develop empirical models of historical ...
متن کاملi-Tree Streets/Design/Eco Rainfall Interception Model Comparisons
i-Tree Streets/Design and Eco estimate annual rainfall interception by urban forest based on different physics-based water balance models. Streets/Design is based on Xiao et al. (1998), while Eco is based on Wang et al. (2008) and improved by Hirabayashi (2013). In Xiao et al. (1998), annual rainfall interception percentage against the gross precipitation in Sacramento County, CA was estimated ...
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ژورنال
عنوان ژورنال: Journal of the Royal Sanitary Institute
سال: 1908
ISSN: 0370-7334
DOI: 10.1177/146642400802901020