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If an area has high rainfall but rainfall is concentrated in only a few months, what pressure can develop on vegetation?

Answer and explanation

Correct answer: Water stress may occur during long dry period

The total amount of rainfall is not the only factor affecting vegetation; its seasonal distribution is also important. If heavy rain falls during only a few months, plants may receive plenty of water at that time but face a long dry period afterward. Therefore, option C, water stress during the dry period, is correct.

Water stress means that plants cannot obtain enough usable water for normal growth, even though the yearly rainfall total is high. Option A is too absolute because plants do receive water during the rainy months. Option B ignores an important climatic factor, and option D is incorrect because mangroves require special coastal, tidal and saline conditions.

Related tags

Rainfall DistributionDry PeriodWater Stress

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