Not enough seed sources or nurseries to support tree-planting initiatives is a growing concern for environmentalists. How does this impact our efforts to fight climate change?
Because of this, D’Amato, and his team looked at 605 plant nurseries in 20 northern states to see if there were enough nurseries for an increase in planting. Out of those 605, only 56 nurseries grow and sell tree seedlings in amounts needed for reforestation and conservation goals, and 14 of the nurseries studied were government operated.How the Seed Shortage Impacts Reforestation
“We know we’re losing ecologically important species across North America and around the world. So, the goal is: can we restore these trees or replace them with similar species? It’s a powerful idea,” said Peter Clark, the new study's lead author and forest ecologist at the University of Vermont in a statement.Planting Trees for Climate Change Mitigation
Red spruce, for example, is an ecologically important species found in eastern North America that has been under climate stress, pests and deforestation for decades. Despite this, only two tree nurseries out of the study’s survey of 20 states had red spruce. In 2022, only 800 red spruce seeds were commercially available for purchase. That many seeds only reforests less than one hectare. To meet restoration goals, conservationists need millions of seeds.
The study's researchers argue that increasing seedling production and diversity in nurseries across North America is key to addressing climate change. But, the idea, the authors note, is not without risks involved. Investments have to be made in growing trees that are more adapted to the changing climate, and it might be a high financial risk. There are also less tree nurseries overall.
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