TagTrees(23)
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2025-11-28 12:00North SeaTac Park Black Friday Tree Planting
Join us on Black Friday for a post-Thanksgiving restoration and planting event. Volunteers will help with planting, weeding and/or mulching or some combination of all three. We will be outside and welcome everyone to come get some fresh air, help with restoration in North Seatac park and get to meet folks from around the community. -
2025-11-16 00:00Highline Forum Topic for the coming year: Tree Canopy Reforestation (the Miyawaki method)
Email from Sandy Hunt of Defenders of Highline Forest to Dave Kaplan proposing the Miyawaki method for tree canopy reforestation as a Highline Forum topic. Includes links to local Miyawaki forest projects and criticism of airport mitigation policies. -
2025-11-09 21:33City of Burien – Mathison Park Trees Update
Mathison Park Trees Update: The Burien City Council unanimously approved sending the Port of Seattle Commission a request that they hold a special meeting to discuss the proposed removal of trees under the Port’s Flight Corridor Management Program, including six mature trees in Burien’s Mathison Park. The letter sent to the Port Commission also requests -
2024-05-30 15:47Green Des Moines Partnership – Urban Forest Enhancement Plan Cover
Cover image for the Green Des Moines Partnership Urban Forest Enhancement Plan, showing a volunteer planting a tree. -
2023-11-21 01:28
Flight Corridor Safety Program
The Port of Seattle has an ongoing program to remove trees around SEA Airport to improve safety during takeoffs and landings and replant in their place, native, low-growing trees. The first phase of work, completed in 2019, centered around trees on Port property. The second phase of the work, centered on non-Port property, is nearing -
2023-11-21 01:21
Land Stewardship Plan and Tree Replacement Standards
In July, the Port adopted Land Stewardship Principles across Port programs and for all land uses. These principles establish value statements and guidance for decision-making when it comes to land management. In turn, the Port developed two key strategies based on the principles: Land Stewardship Plan: guides forest health and habitat connectivity enhancements, integrates capital -
2023-08-09 14:27Green Des Moines Partnership
Resource Limitations on Urban-Forest Management and Maintenance on Public Lands .......................................................23 4. Understanding the Challenge in Context ...............................................................................................................................25 Community Engagement Process ....................................................................................................................................................25 Community Survey .....................................................................................................................................................................25 Open Houses ............................................................................................................................................................................... 26 Small Community Meetings ..................................................................................................................................................... 26 Centering Equity and Diversity ........................................................................................................................................................ 27 Canopy Cover Analysis: Canopy Cover in Relation to Schools ............................................................................................ 29 Canopy-Cover Analysis: Canopy Cover in Relation to Public Housing .............................................................................. 30 5. Meeting the Challenge ...................................................................................................................................................................31 Mission and Vision ..............................................................................................................................................................................31 Outcomes .............................................................................................................................................................................................31 Goals .....................................................................................................................................................................................................31 Partnership Roles and Responsibilities ............................................................................................................................................32 City of Des Moines ......................................................................................................................................................................32 Port of Seattle...............................................................................................................................................................................33 Forterra .........................................................................................................................................................................................33 Highline Public Schools ..............................................................................................................................................................33 Highline College ..........................................................................................................................................................................33 Nonprofit Organizations ............................................................................................................................................................34 Volunteers and the Community at Large .................................................................................................................................34 Commercial and Nonprofit Field Crews ..................................................................................................................................35 Potential Sponsors ......................................................................................................................................................................35 Private Landowners ....................................................................................................................................................................35 6. Assessing the Urban Forest .........................................................................................................................................................37 Part I: Land-Cover Classification ......................................................................................................................................................37 Methods ........................................................................................................................................................................................37 Results ...........................................................................................................................................................................................39 Part II: Parks and Natural Areas Health Assessment ......................................................................................................................39 Tree-iage and the Forest Landscape Assessment Tool .......................................................................................................... 40 Tree-iage Categories ...................................................................................................................................................................41 Tree-iage Matrix ..................................................................................................................................................................................41 Overstory Species ....................................................................................................................................................................... 42 Regenerating Overstory Species ...............................................................................................................................................45 Native Understory Species .........................................................................................................................................................45 Invasive Species ...........................................................................................................................................................................45 Slope ..............................................................................................................................................................................................45 7. Moving Forward – the Next 20 Years ..................................................................................................................................... 46 Field ...................................................................................................................................................................................................... 49 Field Objective 1: Begin to halt canopy decline and equitably increase canopy cover. ..................................................... 49 Field Objective 2: Monitor and maintain trees throughout the City of Des Moines. ........................................................ 49 Field Objective 3: Prioritize parks and natural open-space sites. ........................................................................................ 49 Field Objective 4: Prioritize restoration work zones within sites. . ..................................................................................... 50 Field Objective 5: Identify areas that are appropriate for… -
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2023-08-08 19:54Green SeaTac Partnership
Resource Limitations on Urban Forest Management and Maintenance on Public Lands ....................................................... 22 4. Understanding the Challenge in Context ...............................................................................................................................23 Community Engagement Process ....................................................................................................................................................23 Community Survey .....................................................................................................................................................................23 Open Houses ............................................................................................................................................................................... 24 Small Community Meetings ......................................................................................................................................................25 Centering Equity and Diversity .........................................................................................................................................................25 Canopy-Cover Analysis: Canopy Cover in Relation to Schools ........................................................................................... 26 Canopy-Cover Analysis: Canopy Cover in Relation to Public Housing .............................................................................. 26 5. Meeting the Challenge .................................................................................................................................................................. 30 Current Green SeaTac Partnership Members ................................................................................................................................ 30 City of SeaTac .............................................................................................................................................................................. 30 Parks, Community Programs and Services ..................................................................................................................... 30 Port of Seattle.............................................................................................................................................................................. 30 TABLE OF CONTENTS Forterra ........................................................................................................................................................................................ 30 Volunteers and the Community at Large .................................................................................................................................31 Potential Sponsors ..............................................................................................................................................................................31 6. Assessing the Urban Forest .........................................................................................................................................................32 Part I: Land-Cover Classification and Canopy-Cover Analysis ....................................................................................................32 Methods ........................................................................................................................................................................................32 Results ...........................................................................................................................................................................................34 Part II: Parks and Natural Areas Health Assessment ......................................................................................................................34 Methods ........................................................................................................................................................................................34 Tree-iage and the Forest Landscape Assessment Tool ...................................................................................................35 Tree-iage Categories ...........................................................................................................................................................37 Results ...........................................................................................................................................................................................38 Tree-iage Matrix ..................................................................................................................................................................38 Overstory Species ................................................................................................................................................................38 Regenerating Overstory Species .......................................................................................................................................38 Native Understory Species .................................................................................................................................................38 Invasive Species ...................................................................................................................................................................38 Slope ......................................................................................................................................................................................41 7. Moving Forward ............................................................................................................................................................................... 42 Field ...................................................................................................................................................................................................... 42 Field Recommendation 1: Begin to equitably increase canopy cover .................................................................................. 42 Field Recommendation 2: Monitor and maintain trees throughout the City of SeaTac ................................................... 42 Field Recommendation 3: Prioritize parks and natural open-space sites ........................................................................... 42 Field Recommendation 4: Prioritize restoration work zones within sites ......................................................................... 42 Field Recommendation 5: Identify areas that are appropriate for professional crew intervention .................................43 Field Recommendation 6: Implement best practices in restoration and stewardship on all project sites .....................43… -
2023-08-05 19:38Seattle’s growth is heating up the region — literally. See where
By Alison Saldanha Seattle Times graphics reporter Summers are not what they used to be in Seattle or its suburbs. Around Lake Washington, trees are rapidly being replaced with a growing density of concrete, asphalt and other heat-absorbing surfaces in buildings, roads and other pieces of urban infrastructure. That produces what’s known as an “urban