Oaks are critical to the health and function of forest and shrubland habitats in the United States, but many native oaks are threatened with extinction in the wild. Ongoing conservation efforts exist for some species, but with growing threats and...

Improving urban forests is one of the solutions to achieving several of the United Nations Sustainable Development Goals and making cities healthier and more livable for people. Priority should be given to protecting mature trees and promoting long‐...

The effects of urban development write a profound signature on the landscape. Soils are inevitably compacted and regraded or paved over. We have developed techniques that can remediate these degraded soils and provide a long-term solution towards...

Participants will learn about the potential impacts of climate change on 125 tree species of the eastern US. Changes in suitable habitat, capacity to cope with the changing climate, and potential for infilling or migration by the end of this century...

The nation’s forest land area remains stable, but the composition and distribution of those forests is changing. The data supporting this assertion, along with other information on the status, condition, and trends in the nation’s forest resources, are...

This publication provides forest resource statistics contributing to the 2020 Resources Planning Act (RPA) Assessment to provide current information on the Nation’s forests. Resource tables present estimates of forest area, volume, mortality, growth,...

Of the myriad gifts plants provide to humanity, food is among the most visible, as everyone needs to eat, every single day. Due to their universal importance, food and agricultural plants would appear to represent ideal entryways to address plant...

Talk 1, Rich Hatfield: 
Honey Bees in the Pollination Networks of Natural Areas? An Overview and Best Management Practices 

The question of whether introduced honey bees belong on public lands and natural areas in North America has been...

Massive social-ecological disturbance and disasters have struck the United States in recent years. In 2017 alone, the country dealt with devastation, destruction, and displacement from three major hurricanes, a nearly unprecedented wildfire season, and...

Although the effects of climate on species richness are known, regional processes
may lead to different species richness–climate relationships across continents
resulting in species richness anomalies, especially for tropical groups....

Born as a center for the treatment of addiction and mental health and for the research on traditional Amazonian medicine, the Takiwasi Center, located in the Peruvian high-Amazon, over more than 25 years of existence has developed a series of parallel...

North American forests and forest management institutions are experiencing a wide range of significant ecological disturbances and socioeconomic changes, which point to the need for enhanced resilience. A critical capacity for resilience in...

A major challenge in articulating human dimensions of climate change lies in translating global climate forecasts into impact assessments that are intuitive to the public. Climateanalog mapping involves matching the expected future climate at a...

Can urban trees and city winter weather protocols peacefully co-exist? Join us for a discussion of the latest research findings related to successfully growing trees under these conditions. Dr. Andrew Millward will walk us through his investigation of...

The PCA welcomed Doug Tallamy, Mary Phillips, John Rowden, and Judy Venonsky as panelists (Moderated by Casey Sclar) on “Identifying and addressing information gaps in plant databases to support emerging planting design technologies promoting...

Air pollution is a concerning environmental and public health issue. According to the “World Bank” and the “Institute for Health Metrics and Evaluation” the estimated economic cost of air pollution is $226 billion USD. Major contributors are;...

To address the growing interest and expressed need for pollinator management strategies a special pollinator symposium was held at the 2017 annual conference of the Natural Areas Association, curated by William Carromero of the US Forest Service and...

In this research, Wellington New Zealand is chosen as the study area. Ecologically fragmented and rapidly growing, the city has been established and continues to expand at one of the most valuable ecosystem junctions in the Southern Hemisphere. As one...

This tree plan, not only comprises a history of trees that once stood in the Park and catalogues the trees currently standing, but also directs the succession and maintenance of the tree canopy that future generations of Park users will enjoy. As we...

NYC’s forested natural areas provide important benefits to the city including high-quality recreation, enhanced biodiversity, and improved air and water quality. The Natural Areas Conservancy (NAC) and the New York City Department of Parks and...