An estuary is a partially enclosed, coastal body of water where salt water from the ocean mixes with freshwater from rivers and streams.The salt concentration varies in this area depending on how much freshwater is brought in by the river. If climate change results in rising sea levels and increased frequency of storms, more fresh water will be added to the estuaries. Which one of these will NOT result from this change in estuary communities? [B.3A]Select one:a.Stability of the species presentb.Communities moving away from the oceanc.Erosion of the land between the river and the oceand.Decreased salinity
Question
An estuary is a partially enclosed, coastal body of water where salt water from the ocean mixes with freshwater from rivers and streams.The salt concentration varies in this area depending on how much freshwater is brought in by the river. If climate change results in rising sea levels and increased frequency of storms, more fresh water will be added to the estuaries. Which one of these will NOT result from this change in estuary communities? [B.3A]Select one:a.Stability of the species presentb.Communities moving away from the oceanc.Erosion of the land between the river and the oceand.Decreased salinity
Solution
The correct answer is a. Stability of the species present.
Here's why:
a. Stability of the species present - This will NOT remain the same. The change in salinity and the physical changes due to erosion and flooding will likely disrupt the existing species and may cause some to die off or move to new locations.
b. Communities moving away from the ocean - This could happen as species try to find more suitable habitats.
c. Erosion of the land between the river and the ocean - This is likely to increase due to more frequent and intense storms.
d. Decreased salinity - This will likely happen as more freshwater is added to the estuary.
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