Text 1
For decades, conservationists have advocated for active forest thinning—the selective removal of smaller trees and underbrush—as a primary strategy to prevent catastrophic wildfires. Proponents argue that reducing fuel loads mimics natural fire regimes disrupted by fire suppression policies, ultimately protecting old-growth trees and stabilizing forest ecosystems. In several controlled trials in pine forests, thinned areas suffered significantly less canopy damage during subsequent fires than untreated control plots, leading researchers to conclude that widespread thinning is essential for forest resilience.
Text 2
While thinning can reduce fire severity locally, ecologist Elena Vance warns that applying this method broadly is counterproductive. Vance highlights that thinning projects require constructing access roads and using heavy machinery, which compacts soil and facilitates the spread of invasive, highly flammable weeds. Moreover, Vance points out that removing the understory increases wind speeds at ground level and dries out remaining forest litter. Consequently, she argues that large-scale thinning often creates microclimates that actually increase a forest's susceptibility to igniting and spreading fires.
Based on the passages, how would Elena Vance (Text 2) most likely characterize the conclusion of the researchers described in Text 1?
- AAs a promising strategy that is only effective when combined with strict limits on the use of heavy machinery.
- As an overly optimistic view that overlooks how the physical disruptions of thinning can inadvertently increase fire vulnerability.Answer
- CAs a flawed conclusion because it is based on studies of pine forests rather than more fire-prone ecosystems.
- DAs an accurate description of natural fire regimes that fails to address the economic costs of active forest management.