منابع مشابه
Applying Ecosystem Management to Urban Forestry
During the 1990s, the United States Department of Agriculture Forest Service shifted from commodity production management to ecosystem-based management (Overbay, 1992). Although definitions of ecosystem-based mana-gement vary by objectives, the principle had four primary elements: (1) maintaining viable populations of native species, (2) representing native ecosystems across their range of natu...
متن کاملReducing Air Pollution through Urban Forestry
This paper presents a brief review of ways that urban forests positively and negatively impact air quality. It provides an overview of our research on air quality effects from parking lot shade and guidelines to estimate atmospheric carbon dioxide reductions through urban forestry.
متن کاملStudy on Slash Pine (Pinus elliottii) as a Short Rotation Forestry in the North of Iran
Forests of Iran located on the Southern border of the Caspian Sea cover 1.9 million hectares. The Caspian forests are divided into four separate forestry areas. One of these being Guilan influx area with total area of 565000 hectares. About 30 to 40 percent of Guilan province forests are suitable to short rotation forestry for afforestation. Slash pine (Pinus elliottii) is one of the main exo...
متن کاملPopulation Growth, Urban Expansion, and Private Forestry in Western Oregon
Private forestlands in the United States face increasing pressures from growing populations, resulting in greater numbers of people living in closer proximity to forests. What often is called the “wildland/urban interface” is characterized by expansion of residential and other developed land uses onto forested landscapes in a manner that threatens forestlands as productive socioeconomic and eco...
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ژورنال
عنوان ژورنال: The Forestry Chronicle
سال: 1988
ISSN: 0015-7546,1499-9315
DOI: 10.5558/tfc64360-4