Wetlands support human well being in a number of ways Which of these is are such contribution s of w...........

Environment and Ecology Natural ecosystems and protection

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Wetlands support human well-being in a number of ways.Which of these is/are such contribution(s) of wetlands?

1. They cleanse polluted water in vicinity.

2. They help stabilize water supplies and protect shorelines.

3. As an ecosystem, they support a rich biodiversity.

Select the correct code below.

2 Only

1 and 3 Only

3 Only

All of the above

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Explanation:

Wetlands are our natural buffers against increasing risk of floods, droughts and tropical cyclones. Wetlands can act as sponges, storing peak rainfall and releasing water gradually during
lean season.
As ‘kidneys of landscape’, wetlands receive flows of water and waste from upstream sources. They help stabilize water supplies, cleanse polluted waters, protect shorelines and recharge groundwater aquifers.
The extensive food chain and biological diversity in wetlands make them ‘biological supermarkets’ due to them being nutrient rich and supporting a wide variety of communities.
The floods in Kashmir Valley in September, 2014 and Chennai city in December, 2015 are reminders of the ways wetland destruction can make lives vulnerable.