| 词汇 | understory |
| 释义 | understory noun[ C or U ] biology, environment USspecialized(UKunderstorey)us/ˈʌn.dɚˌstɔːr.i/uk /ˈʌn.dəˌstɔː.ri/ a layer of plants and bushes that grows under the canopy of a forest (= the branches and leaves that spread out at the top of a group of trees forming a type of roof): There are many old plants, as well as a thriving understory of seedlings. The article examines the effects of surface fires on understory and insectivorous birds in central Brazilian Amazonia. Forestry afforestation agroforestry arborist carbon sink clearing cut down deforest lumberjack old growth ranger silvan the treeline timber tropical rainforest undercut understorey unforested woodcutter woodsy woody Examples of understoryunderstory So the low-intensity fires would burn in the understory and commonly would scar the base of a tree. From NPR Thick bark protects it from burning in lightning-caused fires, which open cones and clear the understory, allowing saplings to find light and prosper. From NPR That is, they didn't burn frequently with understory fires. From NPR It blocks out all the light so there is no understory, and it's pulling down all these trees. From CBS Local And in that recording, you could hear there was a great tinamou, which is an understory bird species. From NPR Its floor has a very irregular topography that betrays a former badland, with the understory of long grass now partially masking old erosional pedestals. In several places the trees and their understory conceal the irregular floor of old tepetate badlands. Understory thickets sprang up throughout most of the woodland, and especially in edge situations. From Project Gutenberg The highest population densities were in pinyon-juniper woodland having an understory of mixed shrubs. From Project Gutenberg It seemed to prefer secondary forest that had some undergrowth and was invariably flushed from the understory. From Project Gutenberg Not until an understory of grasses was established did a population of voles appear on such areas. From Project Gutenberg Vegetation was pinyon-juniper woodland with an understory of mixed shrubs. From Project Gutenberg One shows associations of dominant overstory and understory plants. From Project Gutenberg This babbler inhabits the understory of primary forest, and occasionally is seen in secondary forest scrub. From Project Gutenberg It may also shelter an understory of young spruce and fir that could one day replace it. From Project Gutenberg These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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