Topic vocabulary
Nature & Animals
Band 7+The full list of 20 words in this set. Open any word for its pronunciation, collocations, a band 8 sentence and the mistakes Vietnamese learners make.
Learn this set with flashcards20 words
- 1
biomenoun/ˈbaɪəʊm/
a major ecological community type defined by climate and predominant vegetation
“Tropical rainforests and deserts are different biomes with distinct climates.”
- 2
nichenoun/niːʃ/
the role or position of an organism within its environment, including how it gets its food and interacts with others
“Each species occupies a specific ecological niche in the forest community.”
- 3
anthropogenicadjective/ˌænθrəpəˈdʒɛnɪk/
caused by or resulting from human activity
“The report links rising temperatures to anthropogenic greenhouse gas emissions.”
- 4
ariditynoun/əˈrɪdɪti/
the state of being very dry; lack of moisture over a long period
“The aridity of the region prevents intensive crop cultivation.”
- 5
permafrostnoun/ˈpɜːməfrɒst/
ground (soil or rock) that remains permanently frozen for at least two consecutive years
“Thawing permafrost can release large amounts of methane.”
- 6
salinizationnoun/ˌsælɪnaɪˈzeɪʃən/
the process by which water-soluble salts accumulate in the soil, often reducing fertility
“Excessive irrigation without drainage often leads to salinization of arable land.”
- 7
Anthropocenenoun/ˈænθrəpəˌsiːn/
the proposed geological epoch marked by significant human impact on Earth's geology and ecosystems
“Many scientists argue that the Anthropocene began with the Industrial Revolution.”
- 8
keystoneadjective/noun/ˈkiːstəʊn/
having a disproportionately large effect on its environment relative to its abundance (often used in 'keystone species')
“Sea otters are considered a keystone species because they control sea urchin populations.”
- 9
mitigationnoun/mɪtɪˈɡeɪʃ(ə)n/
actions or policies that reduce the severity or harmfulness of something (e.g. climate change)
“International cooperation on mitigation is essential to limit global warming.”
- 10
biospherenoun/ˈbaɪəʊsfɪə(r)/
the global zone of life on Earth, including land, oceans and the lower atmosphere
“Human activities are changing the biosphere faster than many scientists expected.”
- 11
sequestrationnoun/ˌsiːkwɛˈstreɪʃən/
the process of storing a substance (especially carbon dioxide) so it is removed from the atmosphere for a long period
“Carbon sequestration by forests can offset some fossil fuel emissions.”
- 12
estuarynoun/ˈɛstjʊəri/
the wide part of a river where it flows into the sea, often a mix of fresh and salt water and biologically rich
“The estuary supports many migratory birds every winter.”
- 13
biomagnificationnoun/ˌbaɪəʊˌmæɡnɪfɪˈkeɪʃ(ə)n/
the increasing concentration of toxins in organisms at higher trophic levels in a food chain
“Mercury undergoes biomagnification, which is why large predatory fish often contain the highest levels.”
- 14
eutrophicationnoun/juːˌtrɒfɪˈkeɪʃ(ə)n/
the process by which a body of water becomes overly enriched with nutrients, causing dense plant growth and oxygen depletion
“Eutrophication from agricultural runoff has damaged many lakes.”
- 15
trophicadjective/ˈtrɒfɪk/
relating to feeding or nutrition in ecological food chains (as in 'trophic level')
“Changes at one trophic level can cascade to others.”
- 16
resiliencenoun/rɪˈzɪljəns/
the ability of a system, community, or organism to recover after disturbance
“Community resilience after the flood was remarkable; most residents rebuilt within months.”
- 17
sedimentationnoun/ˌsɛdɪmenˈteɪʃ(ə)n/
the process by which particles settle out of water or air and accumulate as sediment
“Increased erosion leads to more sedimentation in rivers and reservoirs.”
- 18
successionnoun/səkˈsɛʃ(ə)n/
the gradual process by which ecosystems change and develop over time, especially after disturbance
“After the fire the area underwent secondary succession, with grasses colonising first.”
- 19
decompositionnoun/ˌdiːkəmˈpəʊzɪʃ(ə)n/
the process by which organic matter is broken down into simpler substances by organisms or chemical processes
“Warm, moist conditions accelerate the decomposition of leaf litter.”
- 20
stewardshipnoun/ˈstjuːədʃɪp/
the responsible management and care of something, especially the environment or resources
“Corporate environmental stewardship includes reducing waste and supporting restoration projects.”