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- Many exotic plant pests and pathogens are unknown prior to their establishment, making prevention and management difficult.
The invasive hemlock woolly adelgid (HWA) has decimated hemlock stands across much of the eastern United States, and presents a significant threat to all eastern hemlock in Canada across Ontario, Quebec, New Brunswick, Nova Scotia, and Prince Edward Isl
Insect and disease infestations pose major threats to several North American forest tree species.
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.
As the pace of urban development increases, urban green spaces, and urban trees in particular, come in direct conflict with bulldozers and backhoes.
The purpose of this document is to assist anyone planning and programming the management of invasive species on islands, with the aim of reducing the negative impacts of invasives on islands’ rich and fragile natural heritage, communities and livelihood
This is an example of how a historic landscape and public garden used GIS to map, track, and monitor tree health on their grounds.
Living collections at public gardens are increasingly at risk of pest infestations and pathogen infections.
The Plants for Planting Manual provides the background, procedures, and reference tables for regulating imported material of plants and vegetative parts that are for or capable of propagation, including buds, bulbs, corms, cuttings, layers, pollen, scio