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The reading passage points out that there are three ways to address the decline of Torreya trees. The speaker in the listening, however, disagrees with the author by stating that none of the three solutions made in the reading is convincing.
To begin with, the author suggests that re-establishing Torreya in former location where microclimate existed can address the decline of Torreya trees. The speaker, however, indicates that the Torreya trees will not survive in the same area, since the coolest damp microclimate was affected by the surrounding larger area where climate changed a lot. Two reasons might account for the change of microclimate. For one thing, global warming elevated the overall temperature and strongly influenced microclimate. For another, since the wetlands were drained, all areas across the region became drier and the Torreya cannot survive in this condition. In this way, what the speaker believes is a sharp contrast to the re-establishing approach in the reading, and will reduce the need for pesticides. Thus, birds will not be harmed.
Additionally, the author further points out that relocating Torreya to places far away can solve the declining. The speaker, in contrast, mentions that moving Torreya trees into other area cannot work. In the past, people had moved black locust trees into far north, whereas this kind of tree spread very quickly and killed many other trees and plants including some endangered ones or species in extinction. Now that the transplanting had brought unpredictable outcomes in the past, moving Torreya to an entirely new environment might have serious problems in the future either. The speaker’s statement, undoubtedly, contradicts the relocating approach in the passage.
Finally, the author mentions that persevering Torreya in research centers can protect Torreya trees. The speaker, on the contrary, claims that Torreya trees cannot survive in the research centers. In wild and larger environment, Torreya trees can grow larger and maintain genetically diverse. Torreya trees in large population may not be hardy enough to resist some diseases in the long run, however, if they are placed in research center where carrying capacity is limited. The speaker, in this way, refutes the research center approach in the reading.