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Horticulture Expert Witnesses

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Christian Plunkett
Consulting Arborist
639 Montgomery Road
Hillsborough NJ 08844
USA
phone: 908-824-0412
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Christian Plunkett Arborist Urban Forestry Expert Photo
Christian J. Plunkett, BCMA, is an independent Consulting Arborist with 14 years of experience in the fields of Arboriculture and Urban Forestry. Mr. Plunkett is a graduate of The Pennsylvania State University and holds a BS in Urban Forestry. He is a skilled diagnostician with extensive experience in the areas of Tree Preservation, Tree Risk Assessment, and Appraisal of Tree Value.


Mr. Plunkett has distinguished himself within his profession by earning the highly respected ISA Board Certified Master Arborist and New Jersey Certified Tree Expert credentials. He is also ISA Tree Risk Assessment Qualified. Mr. Plunkett is a member of both the International Society of Arboriculture and the American Society of Consulting Arborists.


Litigation Support - Mr. Plunkett provides expert opinion, litigation support services, and forensic investigations to attorneys, insurance adjusters, and property managers needing advice on tree valuation, tree risk assessment, tree health care, and management. He has been accepted as an expert witness in NJ Courts of Law deciding timber trespass, encroachment, and tree damage cases. Mr. Plunkett's services include site investigation, research, report writing, and testimony at deposition or trial.


Areas of Expertise:
  • Hazardous Trees / Tree Parts
  • Tree Risk Assessment
  • Appraisal of Tree Value
  • Casualty Appraisal
  • Abiotic Disorders
  • Managing Tree Health and Safety
  • Tree Preservation During Construction
  • Insect Pests of Trees
  • Tree Diseases
  • Fertility Deficiencies


VIDEO: What Is A Consulting Arborist?
5/1/2017 · Plants & Trees
Whether the companies planting these trees are planting them incorrectly out of ignorance or in pursuit of maximizing profits; get in, get out, get to the next job, I do not know. In either case, it behooves a homeowner or property manager to do their due diligence and educate themselves on proper tree planting technique so that they will recognize when they are receiving a quality service and when they are throwing their money down the drain.

2/28/2017 · Plants & Trees
As defined in the tree care industry, a "Hazard Tree" is a tree that poses a level of risk to people or property that exceeds the risk tolerance of the property owner or manger. This means that a tree that may be considered a hazard to one property owner may not be considered to be a hazard by another property owner. Thus, "hazard tree" is a somewhat subjective concept, used when making tree risk management decisions on a particular property, and is not a description of the inherent level of risk actually posed by a particular tree. In the tree care industry the term "hazard tree" is generally reserved to describe a tree that requires immediate removal, or other mitigating actions, to reduce the level of risk posed.

11/23/2016 · Plants & Trees
There are many terms in use describing different types of tree care professionals and this can cause considerable confusion for a homeowner or property manager who requires a tree care provider. The information below will hopefully provide some clarity on the topic.

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John A. Harris
Principal
4600 Sheridan Street,Suite 403
Hollywood FL 33021
USA
phone: 1-866-981-1770 or (954) 986-9405
fax: 954-986-9406
John A. Harris, Principal of Landscape Economics, LLC, and President of Earth Advisors, Inc., is a LANDSCAPE ECONOMIST who has worked in the Arboriculture, Forestry, landscape and horticultural fields for over 20 years. Mr. Harris has provided reputable consulting, education and project management services for a wide variety of projects across the United States and internationally, in both temperate and tropical ecosystems.

Areas of Expertise:
  • Expert Witness for Arboricultural, Landscape, Nursery Values and Conditions
  • Landscape and Tree Risk Assessments
  • Landscape and Tree Value Appraisals
  • Landscape and Tree Damage Appraisals
  • Storm Damage Assessments and Recovery Plans
  • Landscape Health and Condition Evaluations
  • Arboricultural Health and Condition Evaluations
  • Landscape, Arboricultural, Forestry, Environmental Project Management
  • Environmental Due Diligence
  • Environmental Permitting and Mitigation Planning
  • Environmental Permit Negotiations
  • Municipal Tree Inventory and Management Plans
  • GPS/GIS Environmental Mapping Projects
  • Forest Resources Management Plans
  • Grounds Maintenance Practices
  • Arboricultural Practices
  • 8/2/2012 · Plants & Trees
    The number of storms in recent years increases the need for better tree and landscape decisions for property owners. Research regarding landscape damages for different storm intensities, what plants get knocked down by winds more often, and priorities for landscape restoration have been intensified by many southern state universities' forestry and horticultural departments.

    Trees and landscapes have been valued since humans were given gardens for food and enjoyment. Once people determined how to harvest seeds, how to plant gardens and landscapes, and how to relocate trees and plants, then decisions about what to use and what not to use began to set values for plants. It is this author's opinion that these practices logically date back to the beginning of history.

    3/7/2012 · Plants & Trees
    The value of a tree can only be determined if we agree. Any value given, whether by a layperson or a professional, is real when another person involved in the process agrees to that value. The value used in the final decision can also be a different value from the one determined by the experts who worked on it (especially when the experts worked on different sides of a valuation case).

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    John Bornsworth
    Principal
    PO Box 3106
    Port Angeles WA 98362
    USA
    phone: 360-819-3081
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    John Bornsworth, Owner and Consulting Arborist has a decade of progressive experience in the practice and management of Arboriculture, Horticulture, Restoration Ecology, Vegetation Management, Plant Pathology, and Mycology.

    Credentials:
    • Member, American Society of Consulting Arborists
    • International Society of Arboriculture Certified Arborist
    • ISA Certified Municipal Specialist
    • Qualified Tree Risk Assessor
    • WSDA Licensed Commercial Applicator with aquatic, horticultural and right-of-way endorsements
    • WA Dept. of Ecology, Western Washington Wetlands Rating System Certificate
    • Graduate of the rigorous Community Tree Management Institute (CTMI). Hosted by Urban and Community Forestry programs in Oregon and Washington
    Affiliations:
    • Member, Society of Consulting Arborists
    • Member of the International Society of Arborists
    • Member of the Pacific Northwest Chapter of the ISA
    • Member of the Society of Municipal Arborists
    • Member of the Society of Ecological Restoration
    Litigation Support - Mr. Bornsworth provides defensible plant appraisal for legal cases, insurance claims, and asset management. His appraisals methodology is defined by the 9th edition of the Plant Appraisal Guide published by the Council of Tree and Landscape Appraisers. The value derived from this can be used to establish loss and replacement costs.

    Mr. Bornsworth has appraised single trees, improperly pruned trees, and numerous tree losses. He has also worked in multiple Timber Trespass cases and Illegal Logging cases.

    View John Bornsworth's Consulting Profile.
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    Dr. Tracey D. Carrillo
    Ph.D.
    P.O. Box 386
    Knox City Texas
    USA
    phone: 575-639-5110 or 575-650-9463
    Areas of expertise include: agronomy, environmental studies, Precision technology, drone field mapping, entomology, plant pathology, pesticides, pastures, soils, herbicides, range management, biology, ecology, plant physiology, invasive insect and plant species, as well as many other areas. Certified crop advisor by the Society of Agronomy. Experience in Drone and satellite imagery for detection of plant anomalies such as spray drift, plant disease or other. 20 years experience in areas of agriculture, ecology, biology, regulation and policy, labeling, equipment operation, soil and plant tissue testing, as well as water quality.

    Herbicide spray drift to non target crops or plants.