Sentences with phrase «ecological role as»

Riparian forests — the ribbons of trees that grow along river channels — play an important ecological role as refuges for endangered species in dry areas.

Those marine worms play a key ecological role as an important source of food for other animals.

The idea is that the new grizzly bears would fill the same ecological role as their vanished relatives, as omnivores that spread seeds, break up soil and keep prey populations in check.

Weeds like Umbelliferae, Leguminosae and Compositae play an especially important ecological role as they provide food and thus improve reproduction of many arthropod species34.

«We need to know what insects eat when doing ecosystem restoration, and we shouldn't assume that species with generalist feeding habits will necessarily fill the same ecological roles as more specialized species.»

That's especially mysterious because Enantiornithines were exceptionally abundant (they apparently outnumbered the ancestors of modern birds before the asteroid struck) and had presumably played the same ecological roles as the ancestors of modern birds, which survived the mass extinctions.

Not exact matches

Many ecological studies support the key role of structural diversity (sometimes referred to technically as floristic heterogeneity) in increased biodiversity — of many types in many ecosystems well beyond the realm of coffee growing.

More recently, I have worked on the role of dispersal and disease as mechanisms that help support and maintain ecological diversity.

Moreover, the scientists showed that calcium signaling can be studied directly in intact plants in different physiological and ecological contexts, which helps to better understand its role as a secondary messenger in plants.

Hence, models of speciation which can act in the absence of complete geographical isolation, such as ecological speciation, have likely played an important role in the evolution of marine biodiversity.

While the larger size of the New Guinean bent - toed geckos seems to be an evolutionary trend, the role of potential factors such as competition, ecological diversification, isolation and dispersal remains quite a mystery.

Turtles and tortoises are group of reptiles that can play key ecological roles, serving as both predators and prey, contributing to the cycling of nutrients, and acting as seed dispersers.

But flies play important ecological roles, as pollinators for example, points out Chris Nagano, an entomologist with the US Fish and Wildlife Service.

Thus, rather than a multiplication of ecological roles, the new results point to external factors, such as increasing environmental heterogeneity, as the main evolutionary force.

Tritylodontids lived in the Jurassic era and proliferated worldwide, but were thought to have died out as herbivorous mammals took over their ecological role in the late Jurassic.

Lichens play an important role in ecological processes such as soil formation and nutrient cycling and serve as bioindicators of environmental toxicity.

We can't bring the passenger pigeon back as a exact clone from a historical genome, but we can bring back unique passenger pigeon genes in order to restore its unique ecological role.

Borrowing the parlance of sustainable development, a sustainably managed sea turtle population might be defined as one that meets the needs — ecological, economic, socio - cultural, political, aesthetic, spiritual — of the present without compromising the ability of the population to fulfill these roles in the future.

Turtles can play key ecological roles, serving as both predators and prey, contributing to the cycling of nutrients, and acting as seed dispersers.

Wolf Education Project — Julian To increase public awareness and understanding as to the true nature of wolves and the critical role they play in maintaining ecological balance in their natural habitat.

The site - specific immersive installation features two 170 foot murals and several abstract wooden sculptures intended to raise questions about the current economic, ecological, and civic state of the nation, as well as the individual's role in it.

The key subject of the course is the Exhibition as Communicative Space and will include: discussions about criticism and analysis of comprehensive phenomenon of how contemporary art, design, architecture, sound and performance, and publications as dominant art forms of visual culture adapt, co-exist, and conflict with market system; the course will reflect upon creative responses to conflict and crisis versus problems of value judgment on today's market - led cultural phenomenon and cultural movement, and the role of curator as a cultural translator and mediator between the two; and exploration of alternatives for ecological health of increasingly globalized art and culture.

It addresses the economic and social costs of «business as usual» growth in Asia and the Pacific, discusses unexplored opportunities for increasing sustainability and ecological inefficiencies, and analyse the role of the various actors.

(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.

Mangrove forests play key ecological roles, including sustaining fish populations and other wildlife, preventing erosion along coastlines, and acting as an overall carbon sink.

This study, espousing an ecological — transactional theoretical approach, investigates the role of supportive relationships with parents and friends as potential protective factors against the development of adolescent sexual risk behavior.