This process of seed germination and dispersal is fundamental for forest regeneration and the maintenance of plant diversity. Conservation efforts for sea otters are therefore not just about saving a charismatic animal, but about preserving the entire kelp forest ecosystem.
Paine's 1960s Keystone Concept: Predators Balancing Ecosystems
The loss of a keystone species often triggers a phenomenon called a trophic cascade, where the removal leads to dramatic shifts in population sizes and the overall composition of the ecosystem. In ecology, a keystone species plays a similar role, holding together the community structure through its interactions with other organisms.
Example Two: The African Elephant Architects of the Savanna Moving from the ocean to the land, the African elephant serves as a powerful example of a keystone species in terrestrial environments. The loss of elephants would lead to a landscape dominated by less diverse vegetation, impacting the countless animals that rely on the specific habitats elephants help create and maintain.
Paine's 1960s Concept: How Keystone Predators Like Sea Otters Balance Ecosystems
These pivotal beings are known as keystone species, a concept first defined by zoologist Robert T. These marine mammals feed primarily on sea urchins, which are herbivores that graze on kelp.
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