Sentences with phrase «of agricultural systems»

They, along with the consumers who are creating market - based incentives for ecological management of agricultural systems, are at the centre of the «organic movement».

The African continent is now witnessing major transformations of its agricultural systems and rapid loss of indigenous livestock.

Her research addresses an array of environmental and sustainability issues, including the sustainability of agricultural systems and the vulnerability of people and places to climate change.

The management of these agricultural systems can, thus, dramatically affect overall levels of biodiversity, as well as the success of particular species.

In his latest book, The Third Plate, chef Dan Barber of New York's Blue Hill restaurant argues that diners must look at a new, more ethical way of eating that reflects the actual costs of our agricultural system.

The Initiative is based on the finding that «4 ‰» annual growth rate of the soil carbon stock would make it possible to stop the present increase in atmospheric CO2 and aims to use a range of agricultural systems to sequester CO2 and store it in the ground as soil organic carbon (SOC).

The climatological effect of this borrowed energy use and resulting emissions can be debated, but the reality of an agricultural system heavily reliant on fossil fuel and mechanization is indisputable.

Agroecology is the science of sustainable agriculture; the methods of agroecology have as their goal achieving sustainability of agricultural systems balanced in all spheres.

Small - holders downstream often suffer the disruption of their agricultural systems and their entire economic base.

His research has spanned a wide range of issues, including biofuels policy, water quality and quantity policies, regulatory economics, food security, and regional modeling of agricultural systems.

Myhre et al. (2005) point out that the albedo of agricultural systems may be only slightly higher than that of forests and estimate that the impact since pre-agricultural times of land use conversion to agriculture on global radiative forcing has been only — 0.09 W m — 2, that is, about 5 % of the warming contributed by CO2 since pre-industrial times (see Chapter 2 for a more comprehensive review of recent estimates of land surface albedo change).

Climate change poses a major challenge to U.S. agriculture because of the critical dependence of agricultural systems on climate.

However, yield gains have not been clearly linked with increased land set aside for conservation at the global or regional scale, thus the yield / conservation tradeoff is likely a false dichotomy not representative of the socioecological complexity of agricultural systems, with management decisions tied to markets and policy [13].

Report on the workshop on the assessment of risk and vulnerability of agricultural systems to different climate change scenarios at regional, national and local levels, including but not limited to pests and diseases.

Degradation of ecosystem functions (e.g. nutrient and water cycling), constrains production and may limit the ability of agricultural systems to adapt to climatic and other global changes in many regions.

The new study, led by researchers from the University of Sheffield's Department of Animal and Plant Sciences in collaboration with Rothamsted Research and the Institute of Zoology, Zoological Society of London, gives an important insight into how we can learn from past management of agricultural systems to reduce the likelihood of resistance evolving in the future.

More ominously, the scientists warn that, «If we do nothing, endocrine disruptors may not only impact on human health but all the ecosystems including those on which we depend — if we compromise soil productivity and sustainability of our agricultural systems or cause imbalance in marine and freshwater ecosystems through damage to populations of top predators, ultimately, we threaten our own survival.»