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Consider the following statements with reference to Lianas:
1. They are climbing plants that are more resilient to variations in moisture and temperature.
2. They have the highest carbon sequestration capacity amongst tropical vegetation.
Which of the statements given above is/are correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'A'. Can you explain this answer?
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Consider the following statements with reference to Lianas:1. They are...
As the world grapples with rising temperatures, a groundbreaking study led by the University of the Sunshine Coast, Australia exposes an unlikely menace of Lianas.
- Lianas (also known as vines, climbing plants or climbers) are plants with long, flexible, climbing stems that are rooted in the ground and usually have long dangling branches.
- They particularly thrive in disturbed forest areas — such as those affected by logging, natural treefalls, landslides because they can quickly grow towards the forest canopy using trees as support.
- In terms of climate, lianas are more resilient to variations in moisture and temperature, which gives them a competitive advantage over trees.
- Lianas use their climbing ability, resilience to climatic stress and efficient water and nutrient usage to outcompete trees for sunlight and resources.
- They compete for sunlight in the canopy and suppress trees.
- Their lower carbon sequestering capacity compared to trees further exacerbates the threat to carbon storage.
Impacts on forest ecosystem
- An increase in lianas’s competitive success over trees can significantly affect the forest ecosystem.
- Lianas, being a disturbance-favouring plant form, can impact trees from the understory to the canopy.
- Their prolific growth following heavy disturbance can lead to decreased tree regeneration, growth and survival, altering forest structure and ecosystem function, which, in turn, can affect the subsequent recovery of forest.
- Its proliferation can alter nutrient cycling within forests and decrease the overall resilience of forests to environmental changes, making ecosystems more susceptible to further disturbances.
Hence only statement 1 is correct.
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Consider the following statements with reference to Lianas:1. They are...
Resilience to variations in moisture and temperature:
- The first statement is correct. Lianas are climbing plants that have adaptations to thrive in varying environmental conditions, including moisture and temperature fluctuations.
- These plants are known for their ability to efficiently utilize available resources and adapt to changing climate conditions, making them more resilient compared to other vegetation types.
Carbon sequestration capacity:
- The second statement is incorrect. While lianas play an important role in tropical ecosystems and contribute to carbon storage, they do not have the highest carbon sequestration capacity amongst tropical vegetation.
- Trees in tropical forests are typically more effective at sequestering carbon due to their large size and long lifespan, making them significant carbon sinks in the environment.
Therefore, the correct answer is option 'A', where only the first statement about lianas being more resilient to variations in moisture and temperature is accurate.
- The first statement is correct. Lianas are climbing plants that have adaptations to thrive in varying environmental conditions, including moisture and temperature fluctuations.
- These plants are known for their ability to efficiently utilize available resources and adapt to changing climate conditions, making them more resilient compared to other vegetation types.
Carbon sequestration capacity:
- The second statement is incorrect. While lianas play an important role in tropical ecosystems and contribute to carbon storage, they do not have the highest carbon sequestration capacity amongst tropical vegetation.
- Trees in tropical forests are typically more effective at sequestering carbon due to their large size and long lifespan, making them significant carbon sinks in the environment.
Therefore, the correct answer is option 'A', where only the first statement about lianas being more resilient to variations in moisture and temperature is accurate.
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Consider the following statements with reference to Lianas:1. They are climbing plants that are more resilient to variations in moisture and temperature.2. They have the highest carbon sequestration capacity amongst tropical vegetation.Which of the statements given above is/are correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'A'. Can you explain this answer?
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