According to a recent study, local tree nurseries lack the seedling availability and diversity needed to meet forestation goals.
“The US Forest Service used to maintain 59 federally funded nurseries, but
, with only one serving the entire 20-state region we examined,” says Clark. Although private nurseries play a key role in supporting the market, publicly-funded nurseries produce important species for conservation and restoration purposes, he adds.identified 26 million hectares of natural and agricultural lands with reforestation potential across the contiguous US. The authors reported that reforesting this area by 2040 with 30 billion trees would require a 2.
“Much research has emphasized that the volume of seedlings produced in US nurseries is far too low to meet reforestation targets,” says Clark. “We support these findings but add the finer point in that the types of seedlings are highly homogenous.” He adds that nurseries operate in a free-market economy and tend to favor species that are more economically viable for sales—think conifer species for commercial timber purposes. It’s risky to maintain a broad inventory of diverse species that might not sell, especially since seedlings take one to five years to grow to be ready for resale.
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