Predator articles
What distinguishes the effect of a trophic cascade from simple predator-prey dynamics?
What is the primary cause initiating a classic trophic cascade?
In the Yellowstone example, what was the direct result of wolf reintroduction on vegetation?
How do bottom-up controls, like nutrient availability, relate to the scale of a trophic cascade?
What key observation suggests scientists are witnessing a trophic cascade rather than simple dynamics?
In marine ecosystems, what happens when the sea star Pisaster ochraceus is removed?
Which scenario describes the removal of strong top-down control that triggers a cascade?
What characterizes the role of secondary or tertiary consumers in ecosystem structure?
Why might a trophic cascade linked to large terrestrial mammals manifest over decades?
What is the central debate regarding the function of trophic cascades in ecology?
What fundamental ecological role do predators play in preventing widespread collapse?
What is the immediate result of direct predation described as 'top-down control'?
What consequence often follows the removal of large carnivores, leading to habitat degradation?
In classic population cycles, what allows the predator population to thrive and reproduce successfully?
What factor can dampen the severity of population cycles between a primary predator and prey?
What concept describes the risk-based alteration of landscape use by prey species due to predator presence?
What significant energetic trade-off occurs when prey dedicate energy to vigilance against predators?
How do predators contribute to maintaining the fitness of the overall prey gene pool?
What phenomenon describes the upward regulatory influence of predators affecting multiple trophic levels below them?
In the absence of wolves, what happens to the willow and aspen stands in the riparian zones?
What fundamentally limits the maximum size a predator population can attain?