Which outcome occurs when coastal mangrove stomata close during saltwater inundation?

💡 Explanation

When mangrove stomata close due to saltwater induced osmotic stress, transpirational evaporative cooling ceases because water vapor diffusion is prevented, leading to leaf overheating and exceeding thermal tolerance. Therefore, overheating will occur, rather than other outcomes requiring functioning water transport, xylem stress, toxicity or excess pigmentation.

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