Sentences with phrase «at ecosystem effects»

Not exact matches

As a junior studying geography at Colgate University, Jake extensively researched the negative effects of single - use plastic on the oceanic ecosystem for his final thesis.

Also, the dye they would use is similar to the dye used in ink packs to secure money at the bank, and the poison would be one designed to kill parasites, neither of which have negative side effects on the rhino or other animals in its ecosystem.

Submissions at the hearing revealed significant uncertainties on the effects of the project on primary productivity in the water ecosystems, impacts on endangered marine mammals, and impacts on existing indigenous and commercial fishing interests.

So, the researchers argue, a major decrease in availability of the element would have had catastrophic effects on the ocean's ecosystems — and thus may have caused, or at least played a major role in, the widespread die - offs.

As Germán Orizaola, co-author of the study published in the journal Ecology and a researcher at the Swedish university states «Among the many challenges climate change poses to natural ecosystems, the effect it can have on the dietary preferences of living organisms is a field of study that has been attracting researchers» attention in recent years.»

There are ecosystem - level effects that only become apparent when you look at the compete system.»

Several rare upland bird species are being put at risk together with other ecosystem functions by the effects of climate change on the UK's blanket bogs, ecologists at the University of York have discovered.

The work was made possible with the development of Tropical Managed Forests Observatory, a pan-tropical network aimed at understanding the long - term effects of logging on tropical forest ecosystems.

But even at these low concentrations, Buxton says, the effect of personal care products on river ecosystems is unknown.

Bärbel Hönisch, a marine biologist and geochemist at Columbia University's Lamont - Doherty Earth Observatory, points out that «none of these strategies has been tested over the long term, and the potential effects on the ecosystem are uncertain.»

PAHs could stunt growth, an effect that could ripple through the ecosystem: smaller organisms are picked off by predators at a young age, leaving less food for larger fish such as red snapper and bluefin tuna.

At the close of the Fourth International Polar Year, we take stock of the ecological consequences of recent climate change in the Arctic, focusing on effects at population, community, and ecosystem scaleAt the close of the Fourth International Polar Year, we take stock of the ecological consequences of recent climate change in the Arctic, focusing on effects at population, community, and ecosystem scaleat population, community, and ecosystem scales.

The co-authors were «amazed» at this anatomy of the giant sequoia leaf that «indicates an ability to respond to local environmental signals» and furthers inquiry into the effects of climate change on forest ecosystems.

«People think of a shuttle launch as a short - term, finite event, but each launch expels a huge amount of debris into the atmosphere with the potential for long - term effects on the surrounding ecosystem,» said John Bowden, an environmental chemist at Hollings Marine Laboratory in Charleston, S.C.

Such a sudden and rapid depletion of salamander species, especially ones with dense populations such as the eastern newt, could have «cascading effects» in affected ecosystems, says Michael Lannoo, a herpetologist at Indiana University and expert on amphibian declines.

She is on leave from a position as a research scientist at the University of Wyoming where she researches the effects of climate change on plants and ecosystems.

On the other hand, ecosystem productivity had either regained or exceeded its normal level a year after a climate event, regardless of plant diversity, showing that biodiversity has no effect on ecosystem resilience, at least on annual timescales.

«EbA is the use of biodiversity and ecosystem services as part of an overall adaptation to help people and communities adapt to the negative effects of climate change at local, regional, and global levels.»

The field of toxicology is focused on developing improved ways to identify and ameliorate the harmful effects of chemical, physical, and biological agents at all levels of biological organization, from molecules to complex ecosystems.

Rather than keeping nature at arm's length, more fundamental changes that promote richer, healthier ecosystems may have more lasting effects.

A postdoctoral fellow at NIMBioS, Lauren Smith - Ramesh investigates invasive plants in a food - web context and the direct and indirect effects to native communities and ecosystems.

His research is at the interface of ecosystems, land use, and climate change focusing on tropical deforestation and degradation, functional diversity of tropical canopies, conservation of African savannas, invasive species and climate change, and the effects of land use on the global carbon cycle.

Included in resource are the following topics: Ecosystem scales Ecosystem location Types of ecosystem Climate data Causes and effects of deforestation Rainforest management case study Location of coral reefs Coral reef nutrient cycle Threats to coral reefs Management of coral reefs Coral quiz At the end of the resources are pupil Ecosystem scales Ecosystem location Types of ecosystem Climate data Causes and effects of deforestation Rainforest management case study Location of coral reefs Coral reef nutrient cycle Threats to coral reefs Management of coral reefs Coral quiz At the end of the resources are pupil Ecosystem location Types of ecosystem Climate data Causes and effects of deforestation Rainforest management case study Location of coral reefs Coral reef nutrient cycle Threats to coral reefs Management of coral reefs Coral quiz At the end of the resources are pupil ecosystem Climate data Causes and effects of deforestation Rainforest management case study Location of coral reefs Coral reef nutrient cycle Threats to coral reefs Management of coral reefs Coral quiz At the end of the resources are pupil booklets.

After receiving his bachelor's degree in classical music performance from the University of Michigan in 2004 (and since supplemented with years of volunteering in the park, interning at the San Francisco Botanical Garden, running his own California native gardening business, and taking countless classes in all aspects of the natural world), you can find him at Lands End, often performing experiments to assess the health effects of accordion music on newly - planted California coastal scrub ecosystems.

At the same time, Turneffe's ecosystems mitigate many of the dire effects of climate change.

And then at a global level, you don't want the [climate] perturbation, because it gets you off into a level of uncertainty both about weather and the knock - on effects for ecosystems and species.

[ANDY REVKIN says: I was at the first Conference on the Changing Atmosphere in Toronto in 1988, but mainly recall the worried look on the representative from the Maldives, and the statement by Michael McElroy of Harvard, quoted in my 1988 Discover Magazine article on the greenhouse effect: «If we choose to take on this challenge, it appears that we can slow the rate of change substantially, giving us time to develop mechanisms so that the cost to society and the damage to ecosystems can be minimized.

However, there are many studies that look at the effects of removing a top predator from an ecosystem.

EcoPlanet is the first company to successfully industrialize bamboo, providing a proven model of successful ecosystem restoration at scale, converting thousands of acres of degraded land back into fully functioning ecosystems, reversing the negative effects of global climate change and providing thousands of marginalized people with the potential to change their own lives in areas of the world where few opportunities exist, all while reducing deforestation and forest degradation through the provision of a sustainable alternative fiber for timber and fiber manufacturing industries.

The findings reinforce suggestions that strong positive ice — temperature feedbacks have emerged in the Arctic15, increasing the chances of further rapid warming and sea ice loss, and will probably affect polar ecosystems, ice - sheet mass balance and human activities in the Arctic...» *** This is the heart of polar amplification and has very little to do with your stated defintion of amplifying the effects of warming going on at lower latitudes.

The second reason is the possibility that the ecological effects of climate change (the portion that is already manifesting itself) are currently already larger than thought — something that can be masked by looking at individual species and is better assessed when looking at ecosystems or entire biomes.

This 460 - page publication offers a comprehensive and up - to - date look at the effects of ocean warming from the perspective of major ecosystems and species groups.

Canada is home to over 1 million lakes and one of the largest freshwater supplies in the entire world, but scientists are discovering that these vast freshwater resources, and the ecosystems they support, are increasingly at risk due to the effects of climate change.

The study presented in the journal BioScience analyzed 276 published peer - reviewed articles that looked at the landscape effects of oil, natural gas, and wind production infrastructure worldwide, in order to compare their impacts on biodiversity and ecosystem services — wildlife mortality, habitat loss and fragmentation, noise and light pollution, invasive species, and changes in carbon stocks and freshwater resources.

If our climate continues to warm at today's rate, scientists expect North Sea plankton that respond to temperature cues to bloom even earlier in the coming decades.7 With a growing mismatch in life cycles among various species of plankton, as well as further climate - induced shifts in their abundance and distribution, effects on the North Sea ecosystem — including cod — are projected to be considerable.7, 8

Severe drought effects on ecosystem CO2 and H2O fluxes at three mediterranean sites: revision of current hypothesis?

Dr. Hyatt heads the Salmon in Regional Ecosystems Program at DFO's Pacific Biological Station in Nanaimo where his research focus includes: (1) the status of salmon populations in the Pacific Region, (2) climate effects on the life history and population dynamics of salmon, and (3) the development of new «tools» to support fisheries management.

The project at the University of Texas at Austin will develop conceptual and numerical models to analyze conditions under which gas will be expelled from existing marine accumulations of gas hydrate into the ocean, which could potentially have a damaging effect to the ecosystem.

Prof Murray Roberts, who co-ordinates the Atlas project at the University of Edinburgh, told BBC News: «The changes we're seeing now in deep Atlantic currents could have massive effects on ocean ecosystems.

Given a priority to protect biodiversity and ecosystem services, it is important to further explore the drivers for the conversion of land at the frontier and to consider the effects, positive and negative, that U.S. biofuel policies could have in these areas.

Living corals at the heart of the unique marine ecosystem of the Florida Keys are vulnerable to rising water temperatures, ocean acidification, and other effects of climate change.

Whereas these effects on open - ocean pH are calculated to be minor, they can be higher, at rates of 0.02 — 0.12 × 10 − 3 pH units per year (< 10 % of OA by anthropogenic CO2), in coastal ecosystems (Doney et al. 2007), where atmospheric deposition is intense and the waters can be more weakly buffered.

This analytical document assesses how deforestation affects the economy of the United Republic of Tanzania, both by looking at the limited ecosystem goods and services currently reflected in GDP and by looking at the effects on the economy if the full suite of forest ecosystem services are taken into account.

«We congratulate the Interior Department on taking these two important steps toward protection of the Arctic Ocean from the threats of drilling in this fragile ecosystem which is experiencing the effects of climate change at a faster rate than anywhere else on earth,» Earthjustice attorney Erik Grafe said in a statement.

«At mid - latitudes the ozone decrease would be up to 40 percent, which could have huge effects on human health and on terrestrial, aquatic and marine ecosystems.»

It has been estimated that if greenhouse gas emissions continue at their present rate, Earth's surface temperature could exceed historical values as early as 2047, with potentially harmful effects on ecosystems, biodiversity and the livelihoods of people worldwide.

40 artists from around the world have contributed to Envisioning Change, an exhibition that» looks at climate change from a worldwide perspective, chronicling the effect of global warming on the ecosystems and communities of the polar regions, the Andes, and the Himalayas.

My impression from looking at the conference material is that it was indeed more or less what you would expect four years on from the 2001 IPCC report, with two very large exceptions: The potential collapse of the West Antarctic Ice Sheet (= 5 meter sea level rise) and ocean acidification (= partial ocean ecosystem collapse with a subsequent cascade of potential side effects that practically defy description).

The edge effects describe the changes in species diversity that occur at habitat boundaries, and can be pronounced when habitat structure alters abruptly between two different types of ecosystem.

Thirdly, the timing (or date) at which an impact is felt is critical for ecosystems and agriculture, and bad timing will magnify the effect greatly;