Sentences with phrase «ecological role by»

This puts them at the top of the food chain, where they play an important ecological role by regulating prey populations and structuring animal communities.

Not exact matches

«Our work suggests that there's an ecological role that wolves play that won't be played by other animals,» he said.

In the study they examine the environmental and ecological factors that would have impacted fire activity and conclude that of these factors p (O2) played the largest role in promoting fires in Late Paleozoic peat - forming environments and, by inference, ecosystems generally, when compared with their prevalence in the modern world.

«It is all about getting a much deeper understanding of sharks» ecological role in the ocean, which is important to the health of the ocean and, by extension, to our own well - being.»

Weta, giant flightless grasshoppers native to New Zealand, ingest and disperse seeds --- an ecological role played by small mammals in other parts of the world.

The human relationship with caffeine is relatively recent, however, and thus its impact on our brains is likely a by - product of its true ecological role.

The decision to lower the allowable catch by 37 % is being driven by recent overfishing and recognition of the ecological role of menhaden.

For unknown reasons ichthyosaurs and large pliosaurs had died out by 90 million years ago, but it didn't take long for their ecological roles to be refilled.

However, in the ice - free greenhouse of the Mesozoic, reptiles cruised the oceans from pole to pole, occupying the ecological roles now largely filled by whales, dolphins, porpoises, seals and even sharks.

Now, a first - of - its - kind field study by Elbroch and Davis colleague Heiko Wittmer has shed new light on the puma's ecological role.

The responsibility of each citizen and community to ensure meaningful decision - making that is based on the twin principles of ecological integrity and socio - economic equity, conditioned in the interim by a «common but differentiated responsibility» in which those currently rich within the country take on a greater role and / or are incentivised or forced to to give up their excessively consumptive lifestyles in order for the poor to have adequate levels of human security.

Investigative journalists played a significant role in spearheading the movement by reporting on the dangers of environmental toxins, deforestation, nuclear testing, and other ecological damage.

I don't like the concept either, but it is far better than them not existing at all — because at least they have the chance of someday returning to their ecological roles (i.e., if some of the disease mitigation efforts discussed by Woodhams et al can work).

(Dunlap and McCright, 2011:144) The mainstream conservative movement, embodied in conservative foundations and think tanks, quickly joined forces with the fossil fuel industry (which recognized very early the threat posed by recognition of global warming and the role of carbon emissions) and wider sectors of corporate America to oppose the threat of global warming not as an ecological problem but as a problem for unbridled economic growth.

Describing new species and their ecological roles, quantifying carbon and energy fluxes in the ecosystem, documenting the annual cycle of ecological processes, identifying hotspots of biological production, and contrasting the ecology of the different arctic seas are the objectives shared by several international and multidisciplinary research efforts that contributed to the Canadian IPY program.

Then, the idea of Ecological Footprints emerges, co-developed first by Mathis Wackernagel, CEO and co-founder of Global Footprint Network, in order to reveal what individuals, businesses, cities, and countries demand from nature and highlight the role of governments in managing our natural capital more wisely to ensure all live well, within the means of our planet.

«Rising temperatures and atmospheric CO2 concentrations, by increasing crop yields, will play a major role in averting hunger and ecological destruction in the future.»