Tree Cover Assessment
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Los Angeles 1 Million Tree Canopy Cover Assessment
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Author : E. Gregory McPherson
language : en
Publisher: DIANE Publishing
Release Date : 2010-11
Los Angeles 1 Million Tree Canopy Cover Assessment written by E. Gregory McPherson and has been published by DIANE Publishing this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-11 with Nature categories.
The Million Trees LA initiative intends to chart a course for sustainable growth through planting and stewardship of trees. This study measures LA's existing tree canopy cover (TCC), determines if space exists for 1 million additional trees, and estimates future benefits from the planting. Benefits were forecast for planting of 1 million trees between 2006 and 2010, and their growth and mortality were projected until 2040. LA's existing TCC was 21%. There is potential to add 2.5 million additional trees to the existing population of 10.8 million, but only 1.3 million of the potential tree sites are deemed realistic to plant. Thus, there is space for planting 1 million new trees. Benefits for the 1-million-tree planting were between $1.33 band $1.95 billion.
Tree Cover Assessment
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Author : David Morales-Hidalgo
language : en
Publisher: Cuvillier Verlag
Release Date : 2006
Tree Cover Assessment written by David Morales-Hidalgo and has been published by Cuvillier Verlag this book supported file pdf, txt, epub, kindle and other format this book has been release on 2006 with categories.
Los Angeles 1 Million Tree Canopy Cover Assessment
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Author :
language : en
Publisher:
Release Date : 2008
Los Angeles 1 Million Tree Canopy Cover Assessment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Trees in cities categories.
The Million Trees LA initiative intends to chart a course for sustainable growth through planting and stewardship of trees. The purpose of this study was to measure Los Angeles's existing tree canopy cover (TCC), determine if space exists for 1 million additional trees, and estimate future benefits from the planting. Highresolution QuickBird remote sensing data, aerial photographs, and geographic information systems were used to classify land cover types, measure TCC, and identify potential tree planting sites. Benefits were forecast for planting of 1 million trees between 2006 and 2010, and their growth and mortality were projected until 2040. Two scenarios reflected low (17 percent) and high (56 percent) mortality rates. Numerical models were used with geographic data and tree size information for coastal and inland climate zones to calculate annual benefits and their monetary value. Los Angeles's existing TCC was 21 percent, and ranged from 7 to 37 percent by council district. There is potential to add 2.5 million additional trees to the existing population of approximately 10.8 million, but only 1.3 million of the potential tree sites are deemed realistic to plant. Thus, there is space for planting 1 million new trees. Benefits for the 1-million-tree planting for the 35-year period were $1.33 billion and $1.95 billion for the high- and low-mortality scenarios, respectively. Average annual benefits were $38 and $56 per tree planted. Eighty-one percent of total benefits were aesthetic/other, 8 percent were stormwater runoff reduction, 6 percent energy savings, 4 percent air quality improvement, and less than 1 percent atmospheric carbon reduction. Recommendations included developing a decisionsupport tool for tree selection and tracking, as well as establishing a model parking lot greening program.
Los Angeles 1 Million Tree Canopy Cover Assessment
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Author : United States Department of Agriculture
language : en
Publisher: CreateSpace
Release Date : 2015-06-26
Los Angeles 1 Million Tree Canopy Cover Assessment written by United States Department of Agriculture and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015-06-26 with categories.
The Million Trees LA initiative intends to chart a course for sustainable growth through planting and stewardship of trees. The purpose of this study was to measure Los Angeles's existing tree canopy cover (TCC), determine if space exists for 1 million additional trees, and estimate future benefits from the planting. Highresolution QuickBird remote sensing data, aerial photographs, and geographic information systems were used to classify land cover types, measure TCC, and identify potential tree planting sites.
Urban Tree Canopy Assessment
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Author :
language : en
Publisher:
Release Date : 2019
Urban Tree Canopy Assessment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
An urban Tree Canopy (UTC) assessment, which provides a measure of a community's tree canopy cover, is important for understanding the extent of a community's forest or tree resource. UTC assessments are often used for establishing and implementing municipal tree canopy goals as part of broader urban greening and sustainability initiatives. Most useful when it is combined with other information-such as the extent of impervious surfaces, socioeconomic and health data, traffic density, and heat island maps-UTC assessment contributes to broader urban greening goals, enabling communities to craft management plans and make policy decisions to optimize benefits from urban forests. This report provides an overview of the approaches, methods, and data sources used in UTC assessments, focusing on the initial steps of project planning, assessment, and analysis. The report also provides general guidelines for conducting UTC assessments and analysis to ensure useful, quality results that can be applied in management and decision-making efforts, and resources for planning and implementing the UTC assessment process. The report is designed to help personnel involved in urban natural resource planning move forward with UTC project planning and assessment.
Accuracy Assessment Of Percent Canopy Cover Cover Type And Size Class
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Author : Hans T. Schreuder
language : en
Publisher:
Release Date : 2003
Accuracy Assessment Of Percent Canopy Cover Cover Type And Size Class written by Hans T. Schreuder and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with Bootstrap (Statistics) categories.
Truth for vegetation cover percent and type is obtained from very large-scale photography (VLSP), stand structure as measured by size classes, and vegetation types from a combination of VLSP and ground sampling. We recommend using the Kappa statistic with bootstrap confidence intervals for overall accuracy, and similarly bootstrap confidence intervals for percent correct for each category and user and producer accuracy. A procedure is given for mapped plots to be assessed as being partially or totally correct. We recommend the use of primary accuracy for management decisions and secondary accuracy for research decisions to distinguish between accuracy desired.
Portland S Urban Forestry Canopy
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Author :
language : en
Publisher:
Release Date : 2007
Portland S Urban Forestry Canopy written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with Urban forestry categories.
Treasure Valley Urban Tree Canopy Assessment
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Author :
language : en
Publisher:
Release Date : 2013
Treasure Valley Urban Tree Canopy Assessment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013 with Trees in cities categories.
Trees Forests And Land Use In Drylands The First Global Assessment
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Author : Food and Agriculture Organization of the United Nations
language : en
Publisher: Food & Agriculture Org.
Release Date : 2019-11-29
Trees Forests And Land Use In Drylands The First Global Assessment written by Food and Agriculture Organization of the United Nations and has been published by Food & Agriculture Org. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-11-29 with Technology & Engineering categories.
Drylands cover 41 percent of the Earth's land surface. This publication presents the results of the first global assessment of trees, forests and land use in these lands. The assessment breaks new methodological ground: it relies on the visual interpreation of freely available satellite images, carried out by more than 200 experts in a series of regional workshops. Using a tool called Open Foris ollect Earth, developed by FAO in collaboration with Google, participants gathered and analysed information for mrore than 200 000 sample plots worldwide. For each region, the report summarizes the distribution of forests, other wooded land and other land uses including grasslands, croplands, built-up areas and barren land, across all drylands and by aridity zone. It also estimates tree canopy cover, shrub cover, forest type and presence of trees outside forest. Indicatng that the global drylands contain more than one-quarter of the world's forest area, and that trees are present on 31 percent of the world's dryland area, the report provides a baseline for future monitoring and will support countries in their efforts to identify appropriate investments for the restoration and sustainable management of drylands.
Trees Forests And Land Use In Drylands
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Author :
language : en
Publisher:
Release Date : 2019
Trees Forests And Land Use In Drylands written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with Arid regions forestry categories.
Drylands cover 41 percent of the Earth's land surface. This publication presents the results of the first global assessment of trees, forests and land use in these lands. The assessment breaks new methodological ground: it relies on the visual interpreation of freely available satellite images, carried out by more than 200 experts in a series of regional workshops. Using a tool called Open Foris ollect Earth, developed by FAO in collaboration with Google, participants gathered and analysed information for mrore than 200 000 sample plots worldwide. For each region, the report summarizes the distribution of forests, other wooded land and other land uses including grasslands, croplands, built-up areas and barren land, across all drylands and by aridity zone. It also estimates tree canopy cover, shrub cover, forest type and presence of trees outside forest. Indicatng that the global drylands contain more than one-quarter of the world's forest area, and that trees are present on 31 percent of the world's dryland area, the report provides a baseline for future monitoring and will support countries in their efforts to identify appropriate investments for the restoration and sustainable management of drylands.