Sentences with phrase «negative effects on ecosystems»

This leads to positive or negative effects on ecosystems, and in turn, either better or worse outcomes than current estimates would suggest.

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.

«We should be thinking of ways to reduce our negative effects on the natural environment and these results show that if we do basic conservation and management, it can make a big difference in terms of how ecosystems will weather climate change,» Harley said.

They found that saving various ecosystem services would not preserve species — mostly because of the negative effects on crop pollination and forage production.

«The construction of large dams then slowed down for the last 20 years as we became more aware of their negative effects on people and ecosystems.

«For all types of ecosystem the results show that high carbon dioxide levels can impede plants» ability to absorb nitrogen, and that this negative effect is partly why raised carbon dioxide has a marginal or non-existent effect on growth in many ecosystems,» says Johan Uddling.

This has a negative effect on the functioning of our cells and disturbs the delicate ecosystem referred to earlier.

Climate change impacts on Africa's ecosystems will probably have a negative effect on tourism as, according to one study, between 25 and 40 % of mammal species in national parks in sub-Saharan Africa will become endangered.

Both black carbon and tropospheric ozone not only contribute to climate change, but also have negative effects on health, agricultural production and key ecosystems like forests and freshwater.

Preliminary evidence suggests ocean acidification will have negative effects on corals, shellfish, and other marine life, with wide - ranging consequences for ecosystems, fisheries, and tourism.

Depending on how it is done, using degraded lands for the expansion of bioenergy plantations could have either positive or negative effects on soil fertility, erosion, ecosystems, biodiversity, water flow and food availability.

Although some researchers have raised concerns about possible negative effects of rising CO2 on ocean surface pH, there are several lines of evidence demonstrating marine ecosystems are far more sensitive to fluxes of carbon dioxide from ocean depths and the biosphere's response than from invasions of atmospheric CO2.

Costs are defined in a variety of ways and under a variety of assumptions that affect their value ► Cost types include: ► administrative costs of planning, management, monitoring, audits, accounting, reporting, clerical activities, etc. associated with a project or program; ► damage costs to ecosystems, economies and people due to negative effects from climate change; ► implementation costs of changing existing rules and regulation, capacity building efforts, information, training and education, etc. to put a policy into place; ► private costs are carried by individuals, companies or other private entities that undertake the action, where ► social costs include additionally the external costs on the environment and on society as a whole.

It is not surprising that no harmful effects were noted, since if adding iron to the ocean were in fact a negative stress on the ecosystem, a massive negative effect would have been seen following the Kasotochi eruption which deposited millions of tons of iron into the ocean.