Over a few thousand years, this process gave rise to
a complex food web in Lake Victoria, as the new species, in turn, influenced their environment.
But when a giant shelf collapses — as Larsen A and B did in 1995 and 2002 — solar - powered plankton production ramps up, and scientists think it could jump - start
a complex food web of diverse marine life.
This effect was much stronger in simple communities than for the same species within a more
complex food web.
This study gets us closer to understanding
the complex food webs that are vital in nutrient dynamics and overall soil fertility,» said study first author Tami Swenson, a scientific engineering associate in Northen's group within the Berkeley Lab Biosciences Area's Environmental Genomics and Systems Biology (EGSB) Division.
«It has been predicted that more
complex food webs will be less vulnerable to extinction cascades because there is a greater chance that other species can step in and buffer against the effects of species loss.
Roberts said that «the presence of bone - borings provides a CSI - like opportunity to study the skeleton and reconstruct the timing of death and burial, and offers rare evidence of ancient insects and
complex food webs during the age of the dinosaurs.»
As species are lost from once -
complex food webs, there's an intermediate zone where bacteria - friendly species thrive, Morris and colleagues propose online December 7 in Science Advances.
Unlike previous ones, the new model showed that predator and prey populations fluctuate less in
complex food webs — those with long food chains, omnivorous predators, and competing species of plant - eaters.
Small animals that decompose fallen leaves in the forest form
complex food webs and are essential to a functioning ecosystem.
Also, vernal pools contain many species that interact through predator - prey and competitive interactions to form
complex food webs.
Not exact matches
«The world's first Jewish ethical certification seal,» the group says, «synthesizes the aspirations of a burgeoning international movement for sustainable, responsible consumption and promotes increased sensitivity to the vast and
complex web of global relationships that bring
food to our tables.»
Those tended to mushroom once investigators traced products through the Continent's
complex web of producers,
food makers and suppliers.
The species that make up an ecosystem are connected in
complex «
food webs» of eater and eaten.
But the bigger picture is that it appears
food webs in the central Pacific have lost components and become less
complex over the last 130 years — meaning they're less resilient to changes.
This leads to the establishment of dense
food webs, which contain numerous
complex feeding relationships.
In these small areas, the number of species can be accurately controlled; however species numbers tend to be relatively low and the
food webs therefore not very
complex.
While there is concern about decimation of the
complex web of life that is our soil, and the informational properties of plants and animal
foods, eliminating pesticide exposure from your diet is a powerful step as evidenced by assessment studies.
While there is concern about decimation of the
complex web of life that is our soil, and the informational properties of plants and animal
foods, eliminating pesticide exposure from your diet is a powerful step as evidenced by
And the kids concluded the experiment by thinking about next time, and how to adapt the simulation in order to explore more and more
complex food chains and
webs.
The
food web is extremely
complex, and the removal of species from it can have profound effects.
Browsing the cognitive science journals online, I found a study suggesting that people regularly misapprehend the nature and effects of perturbation: Peter A. White, «Naive analysis of
food web dynamics: a study of causal judgement about
complex physical systems,» in Cognitive Science; abstract at:
The EOLSS contains a vast body of integrated knowledge dedicated to the health, maintenance, and future of the
web of life on planet Earth, focusing on the
complex connections among all the myriad aspects from natural and social sciences through water, energy, land,
food, agriculture, environment, biodiversity, health, education, culture, engineering and technology, management, and development to environmental security!