Southern U.S. pines:
- Represent 61% of U.S. planted forest area and 57% of U.S. wood volume.
- Provide $230 billion in value and over 1 million jobs.
- Comprise working forests which provide carbon sequestration, wildlife habitat, biodiversity, soil protection, and improved air and water quality.
- Are vulnerable to high-impact pests and diseases spreading rapidly and causing extensive economic, ecological, cultural, and ecosystem service impacts.
The P4 outlines the steps needed to recognize and stop outbreaks of currently unknown new invasive pests or diseases causing significant injury to pine trees throughout the southern U.S. In this plan, invasives are pests or diseases that cause ecological or economic harm to forests in a new environment, i.e., where they are not native. This plan was co-developed by a group of stakeholders with interests in protecting, managing, and conserving pine resources including private landowners, foresters, forest product and investment companies, universities, and state and federal agencies in the South. Implementation of the P4 will allow forest health specialists and scientists to work with extension agents, land managers, and landowners to address emerging invasive pests and diseases rapidly and efficiently. The four central points of the plan to be implemented are:
I. COMMUNICATION PLAN
This plan starts by building on existing stakeholder communications networks. Because communication is key to coordination of activities to identify and control emerging invasives as quickly and efficiently as possible, the P4 will establish a communications network to:
- Immediately report any potential threat to southern pines to forest health specialists in state, federal, or academic units to prevent uncontrolled spread.
- Continue communication between landowners, managers, and others.
II. DETECTION AND DIAGNOSIS
It is critical to rapidly detect dying or dead trees and accurately identify the cause (including a new pest or disease) if control and management efforts are to be successful.
- Stakeholders will be provided with standard protocols for evaluating and reporting damage and mortality of pines.
- Forest health specialists will be engaged to review the reports and inspect the sites as necessary.
- P4 will develop a real-time database (also linked to the existing ones e.g., USDA Forest Health Monitoring) to track abnormal damage and mortality in pines and communicate levels of concern around new damaging pests and diseases.
- Information will be shared with the communications network electronically and in meetings.
III. DELIMITATION AND ASSESSMENT
Delimitation defines the presence, spatial extent, and persistence over time of a pest and disease or area with abnormal symptoms. Early delimitation and rapid assessment of the issue are practical and proven responses to pest and disease outbreaks. Diagnosis of the issue will lead to delimitation, which will assist with making decisions around control and management, and thus, long-term solutions. Once it is established that a new pest or pathogen is causing significant impacts, additional assessments can help forecast the spread rate and potential impacts to the resource with or without active management.
IV. RESPONSE
Once the pest or disease has been identified and delimited, prompt action needs to be taken to implement appropriate action to minimize impacts. Following this initial phase, responding to an established pest or pathogen may be longer term. Responses will be coordinated between federal agencies, state agencies, tribal governments, industrial, and non-industrial private landowners. Guidance may be based on what is already known about the specific pest or disease. Beyond that, responders will need to determine the impacts of no action versus specific actions, including eradication and management, along with associated costs of each.
A P4 team will, in collaboration with others, will evaluate management options and inform decision-making on the best courses of action. These may include:
- Quarantines and restrictions on movement of affected materials.
- Short term treatments including chemical and silvicultural prescriptions.
- A research and development framework to state and prioritize questions needing answers,
- Longer term solutions including selection and breeding for resistance and development of biological- or molecular-based controls.
The P4 will be a significant resource as agencies and experts work closely with landowners and managers to guide and consistently implement these treatments to protect pine resources. Examples of responses are found in the full document.
HOW WOULD YOU BE INVOLVED?
- Be a part of the P4 communication, detection, and response networks. If you see something out of the ordinary with pine health, let your forest health contacts know.
- Help with efforts to figure out what is happening. Cooperate with extension, research, tree care experts, etc.
- Stay informed through websites, emails, webinars, meetings, and field tours.
- Carefully consider all available options for control and management and use the methods appropriate to the problem and your management situation.
CONTACTS
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Citation: Klepzig, K.D., Gandhi, K.J.K., Dean, J.D., Hunter, E., Liebhold, A., Owen, W., Trembath, T., Adams, D., Asaro, C., Barton, C., Cook, R., Coyle, D., Eickwort, J., Harrington, S., Koch, F., Munro, H.L., Nelson, D., Olatinwo, R., Pait, J., Pfister, S., Rakestraw, J., Schilling, E.B., Sniezko, R., and Venette, R. 2023. The Pine Pandemic Preparedness Plan (P4): Protecting Southern Pines. Synopsis, 8 May 2023, pp. 2.