Sentences with phrase «driven by predators»
The experiments investigated both top - down (driven by predators) and bottom - up (food or resource limited) effects of the lights on the population density of a species of pea aphid, and in the presence and absence of predators including ladybirds.
https://www.sciencedaily.com/ Not exact matches
But during that short span, the soft - bodied, stationary Ediacaran fauna suddenly disappeared, driven to extinction by predators, he suggests.
The gradual emergence of predators, driven by a small rise in oxygen, would have meant trouble for Ediacaran animals that lacked obvious defences.
This suggests the lemmings» huge outbreaks are largely driven by their winter behaviour, rather than external factors like food supply or predators, which should have had a similar impact on vole populations.
The green world hypothesis provided an alternative view of population regulation driven by top predators, via carnivory.
Laysan Duck This Hawaiian - islands native was nearly driven to extinction by introduced predators but is now staging a comeback on an island where the invaders have been banished.
«Comparative analysis reveals use patterns of deeper Caribbean coral reefs by shark species: Group spawning may drive predator habitat use for lemon sharks, may inform fisheries management.»
Juan Romero and Rolf Williams at the UK's National Marine Aquarium in Plymouth are sceptical that such numbers of two different species would be driven ashore by a predator.
Instead, the large reductions in fish urine were driven by the reduction of large - bodied fish and predator fish such as grouper, snapper or barracuda that occurs through selective fishing practices.
Other predator species will actively hunt cubs, so they are driven away by the lions, especially if they get too close to kills or their families.
That footage is some of the most compelling action in Sharkwater, Stewart's 2006 acclaimed documentary, which explains how the ocean's apex predator has driven the evolution of marine species for over 400 million years and plays a pivotal role in climate stabilization (by feeding on species that eat plankton, which transform carbon dioxide into oxygen).
While news articles at the time of the Court's opinion indicated that only one instance of a teenager being targeted by a sexual predator had actually occurred, the Insurance Institute for Highway Safety (IIHS) did its own study and found that, in general, the law was not that popular and had not increased compliance by young motorists with the Garden State's laws affecting driving permit holders and those with provisional (now probationary) licenses.