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Presenter: Chris A. Cowles, MD RPF, ISA CA, TRAQ

Seminar Date:

Seminar Location: Online

This seminar is closed or full.


Webinar Instructions will be emailed before the date of the webinar.

Log into Webinar:                8:00 - 8:30 am

Morning Session:                8:30 am - 12:30 pm

Break:                                 12:30 - 1:30 pm

Afternoon Session:             1:30 - 4:30 pm

Keys for Success in Tree Preservation

   Workshop overview
   Historical perspective from 1970 to today
   What they don’t teach in Forestry School
   Other things that don’t work
   Taking a seat at the design table and other people skills
   Understanding roles of client, design professional, contractor and arborist
   Introduction to the (simple) four-step process
   Life and death

Roots: Their Surprising Morphology and Patterns that
Bust Myths and Common Thinking

   Dr. Alex Shigo on roots
   Myth busting: the graphic that started it all
      (the world’s best tree preservation educational tool)
   But how do we really know how applicable this is to my region/state?
   How to be an expert on tree preservation
   The First Annual National Capitol Root Appreciation Day
   Root investigation studies for high profile sites: case studies

Allowing Trees to Become Elements of Design and Not Mere Afterthoughts

   The critical root zone (CRZs)
   Purposes of CRZs in tree preservation
   Mistakes with CRZs
   Project profiles in designing with trees
   Overview of planning, design, and construction documents for tree preservation

Construction Strategy: Finding a Balance between the
Tree Environment and Construction Goals

   Asking the key question
   Construction strategy project profiles

Implementation of Tree Protection

   Blending technical solutions and people
   The trouble with standard arborist crews and tree preservation projects
   Project case studies

Post Construction: Who is There for the Trees Now?

   Problems after the last sod is laid
   Keys for survivability
   Large tree transplanting overview
   Q&A and discussion

Credit Information:

Who Should Attend

  • Architects
  • Engineers
  • Other
  • Landscape Architects
  • Arborist/Forester

     6.5 HSW CE Hours
     6.5 AIA LU|HSW

Professional Engineers
     6.5 PDHs

Landscape Architects
     6.5 HSW CE Hours
     6.5 LA CES HSW PDHs

Certified Arborists:
     6.5 CEUs

     6.5 SAF Category 1 CFE Credits

Continuing Education Credit Information

The International Society of Arborists has approved the following CEUs: 6.5 Certified Arborist, Climber Specialist, Utility Specialist, Municipal Specialist, Aerial Lift; 5.5 BCMA Management; 1.0 BCMA Practice. The Society of American Foresters has approved this course for 6.5 Category 1 CFE credits. The Landscape Architecture Continuing Education System has approved this event for 6.5 HSW PDHs, and the American Institute of Architects Continuing Education System has approved it for 6.5 LU|HSW.

This webinar offers 6.5 PDHs/CE hours to professional engineers and 6.5 HSW CE hours to architects in all states. HalfMoon Education is an approved continuing education sponsor for engineers in Florida (No. 0004647), Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700), North Carolina, and North Dakota. HalfMoon Education is deemed an approved continuing education sponsor for New York engineers, landscape architects and architects.

This course offers landscape architects 6.5 HSW CE hours in most states. Course approval for landscape architects is not being sought in Florida, New Jersey, North Carolina or other states that preapprove CE courses. Refer to specific state rules.


Chris A. Cowles, MD RPF, ISA CA, TRAQ

Wetland Studies and Solutions, Inc.

As a senior urban forester, Mr. Cowles is responsible for the preparation of tree preservation, transplanting, and restoration plans for design, construction, and renovation projects. For more than three decades, Mr. Cowles has successfully competed hundreds of challenging projects for a variety of clients nationwide, including federal agencies, state and local governments, community organizations and private sector interests. His work includes residential, commercial, institutional, and military projects as well as parks and historic sites. His approach to tree preservation employs innovative technical solutions with people involvement that are unique to each project.

Mr. Cowles routinely presents on topics such as tree preservation and urban forestry. Some of these include Maryland National Capital Park & Planning Commission’s (MNCPPC) Trees Matter Symposium, ASLA National Conference Field Workshops; numerous local agencies and design firm’s lunch and learns, and the international conference on The Landscape Below Ground Third Edition. His projects have won many awards, including one from the Maryland Chapter of the American Society of Landscape Architects (ASLA), an ASLA Potomac Chapter Honor Award, the Fairfax County (Virginia) Annual Tree Preservation Award, and a National Arbor Day/National Homebuilders Award.

Tuition Costs:

Standard Tuition: $299.00
Online Tuition (pre-registration): $299.00
Group Prices
3 or more people each: $199.00

Each registration includes one copy of a manual prepared by the seminar speakers.

AIA Info:

AIA Provider Statement:

HalfMoon Education Inc. is a registered provider of AIA-approved continuing education under Provider Number J885. All registered AIA/CES Providers must comply with the AIA Standards for Continuing Education Programs. Any questions or concerns about this provider of learning program may be sent to AIA/CES (cesupport@aia.org or (800) AIA 3837, Option 3).

This learning program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval or endorsement by the AIA of any material of construction or any method or manner of handling, using, distributing, or dealing in any material or product.

AIA continuing education credit has been reviewed and approved by AIA/CES. Learners must complete the entire learning program to receive continuing education credit. AIA continuing education Learning Units earned upon completion of this course will be reported to AIA/CES for AIA members. Certificates of Completion for both AIA members and non-AIA members are available upon request.

Course Title: The Tree Preservation Course

Delivery Method: Live

Course Description: This is a 6.5 hour live lecture presentation with the instructors and students together in the same room. Bound written materials, authored by the faculty, will be distributed to all participants at the program. This course covers the keys for success in tree preservation, how to allow trees to become elements of design and not mere afterthoughts, construction strategy to finding a balance between the tree environment and construction goals, and the implementation of tree protection. 

Learning Objectives: 

Learning Objective 1:
Learners will be able to explain the science of tree roots and how this information can be used to enhance the success of tree preservation on development sites.

Learning Objective 2:
Learners will be able to provide project development owners strategies for protecting trees on their sites.

Learning Objective 3:
Learners will be able to describe the importance of preserving trees on development sites and how the project owner, the designer, the contractor and an arborist can assist in achieving that goal.

Learning Objective 4:
Learners will be able to incorporate trees in successful site design by considering the principles of critical root zones (CRZs).

LUs: 6.5                                                                                              LU Type: LU|HSWs.

Prerequisites: Familiarity with tree development

Advance Preparation: None

Program Level: Intermediate

Course Expiration Date: 08/08/2020

Complaint Resolution Policy:

Complaints regarding this course can be emailed to doug@halfmoonseminars.org or by calling (715) 835-5900. A HalfMoon Education representative will respond within 72 hours to resolve the complaint, which will include, but not limited to, access to another CE activity at no or reduced cost or a full or partial refund. Each instance will be resolved on a case-by-case situation.