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Sea urchin populations are primarily affected by predator dynamics, particularly the presence of sea otters, which help keep their numbers in check. Overfishing of these predators and environmental changes can lead to sea urchin overpopulation, resulting in "urchin barrens" where kelp forests are devastated. Additionally, factors such as water temperature, nutrient availability, and pollution can influence both sea urchin reproduction and kelp health, further impacting the balance of these ecosystems. The interplay between these elements is crucial for maintaining healthy kelp forests.

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1mo ago

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Related Questions

Which echinoderm is harmful to kelp forests?

sea urchin


This echinoderm is harmful to kelp forests?

sea urchin


What herbivores eat seaweed?

The purple sea urchin is devastating kelp forests.


What is the purpose of otters?

they control the population of sea urchin which helps kelp grow.


Which is stronger a sea urchin or a kelp crab?

kelp crab is stronger


What is urchin barren?

An urchin barren is a marine ecosystem characterized by the dominance of sea urchins, particularly the green sea urchin, which has overgrazed kelp forests and other marine vegetation. This overgrazing leads to a significant decline in kelp, resulting in a barren landscape devoid of plant life, which negatively impacts biodiversity and the overall health of the marine environment. Urchin barrens can develop when predator populations, such as sea otters, are reduced, allowing urchin populations to proliferate unchecked.


What are the predators of kelp?

the purple sea urchin


Where does a sea urchin live?

in the kelp forest


How do kelp beds help sea otters?

Sea otters tangle themselves up in the kelp, while they sleep, so they do not float away


Do stingrays live in heavy kelp forests?

Yes stingrays live at the bottom of heavy kelp forests (or just plain kelp forests).


What is an example of a key stone species?

An example of a keystone species is the sea otter. Sea otters help maintain the health of kelp forests by controlling sea urchin populations, which in turn allows the kelp to flourish. Without sea otters, sea urchins can overgraze kelp forests, leading to a cascade of negative effects on the entire ecosystem.


Sea otters share their habitat with what other important organism?

Sea otters share their habitat with kelp, an important marine organism. Kelp forests provide critical shelter and foraging grounds for sea otters, as they rely on kelp to anchor themselves while hunting for prey like sea urchins. This relationship is vital for maintaining the health of the ecosystem, as sea otters help control the sea urchin population, which in turn supports the growth of kelp.