Sentences with phrase «in ecosystem productivity»

I believe that biodiversity has inherent merit regardless of its role (or lack thereof) in ecosystem productivity or function.

«Then we compare the variability in ecosystem productivity, which we also obtain from satellite data, against the variability in the important climate variables.»

Not exact matches

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.

Commonwealth water provided as barrage flow exported significant volumes of salt, nutrients and phytoplankton that supported ecosystem productivity in the Coorong and the export of salt at the Murray Mouth.

With support from various agencies of the DA and from the International Rice Research Institute, the project aims to enhance the productivity of and enrich the legacy of heirloom or traditional rice through empowered indigenous communities in unfavorable rice - based ecosystems.

The measures «do not address the fundamental implication of the very serious decline in commercial fishing productivity and the damage that present fishing practices and other activities are doing to the marine ecosystem,» Ms Lucas added, commenting on a report by the Royal Commission on Environmental Pollution 2004.

So when Jan Karlsson from Umeå University in Sweden and his colleagues studied 12 lakes in Sweden, they measured the productivity of the whole ecosystem, from deep - water algae to fish.

Many marine biologists think of the world's biggest alga as the keystone species of its ecosystem, not only in terms of its structure — a huge forestlike environment under the sea — but also in terms of its tremendous productivity in supplying food for the near - shore ecosystem.

Scientists say reserves can help marine ecosystems and people adapt to five key impacts of climate change: ocean acidification; sea - level rise; increased intensity of storms; shifts in species distribution, and decreased productivity and oxygen availability.

That is another reason for concern about the worldwide decline in biodiversity, he notes: «The loss of diversity is probably having adverse effects on stability and productivity and the ability of the ecosystem to respond to global climate change.»

Changing temperatures and ocean acidification, together with rising sea level and shifts in ocean productivity, will keep marine ecosystems in a state of continuous change for 100,000 years.

In their model herbivory is greatest in relatively unproductive environments, with predation more important and the impact of herbivory reduced as ecosystem productivity increaseIn their model herbivory is greatest in relatively unproductive environments, with predation more important and the impact of herbivory reduced as ecosystem productivity increasein relatively unproductive environments, with predation more important and the impact of herbivory reduced as ecosystem productivity increases.

Insects also play a critical role in nutrient cycling and decomposing organic materials, which helps ensure ecosystem productivity.

As productivity continues to increase, as in boreal forests, plant biomass (the total mass of living matter of a particular type) increases, herbivore biomass increases, and ecosystems become capable of sustaining a third trophic level — the predators — with this level controlling herbivores.

Cory Cleveland, a UM professor of terrestrial ecosystem ecology, said that previous research in the wet tropics — where much of global forest productivity occurs — indicates that the increased rainfall that may occur with climate change would cause declines in plant growth.

Climate change is thus inseparable from ocean change, and our ability to understand these changes relies heavily on our understanding of ocean ecosystems and, more specifically, the role of iron in regulating ocean productivity and hence the global carbon cycle and climate.

Environmental regulation of primary productivity in aquatic ecosystems, physiological ecology of phytoplankton, hydrological optics, integrated ocean observatories.

But we wanted to observe the natural development of the plankton ecosystem from the first productivity in late winter until summer, closely monitor the succession of the plankton communities and follow how effects of ocean acidification are transmitted from one generation to the next,» Riebesell explains.

With support from various agencies of the DA and from the International Rice Research Institute, the project aims to enhance the productivity of and enrich the legacy of heirloom or traditional rice through empowered indigenous communities in unfavorable rice - based ecosystems.

Raising productivity and enriching the legacy of traditional rice varieties by empowering indigenous communities in unfavorable rice ecosystems

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.»

The enhanced productivity of the digital masters in the corporate world (Westerman, et al., 2014) comes from skilfully shaped, expertly led, highly focused, tightly integrated, and evolving digital ecosystems.

However, until schools develop an appropriate digital school ecosystem, adopt a culture that empowers the teachers, students and parents, and support all that take a lead role in the use of the digital in teaching, they won't be able to take advantage of those opportunities and continually enhance their productivity.

«In addition, PRIV is the first Android smartphone to combine the privilege of privacy with all of the most critical features users need to power through their day: a BlackBerry keyboard, large display, excellent battery life, BlackBerry productivity and security features, powerful specs and access to the world's largest app ecosystem.»

The shift in the PDO can have significant implications for global climate, affecting Pacific and Atlantic hurricane activity, droughts and flooding around the Pacific basin, the productivity of marine ecosystems, and global land temperature patterns.

Sea ice is critical for polar marine ecosystems in at least two important ways: (1) it provides a habitat for photosynthetic algae and nursery ground for invertebrates and fish during times when the water column does not support phytoplankton growth; and (2) as the ice melts, releasing organisms into the surface water [3], a shallow mixed layer forms which fosters large ice - edge blooms important to the overall productivity of polar seas.

In calculating the potential of rangelands to sequester carbon to offset global climate change and improve ecosystem function we can not ignore the superior outcomes achieved by conservation award winning ranchers, those who have restored ecosystem function and productivity on degraded rangeland using adaptively managed multi-paddock, time - controlled grazing, or published research that does not refute the results achieved on these ranches.

A portion of this controversy and the lack of scientific support for the claims made for his method on livestock productivity and grassland ecosystem function may be found in peer - reviewed papers (e.g. Briske et al. 2008).

He summarizes by saying «In calculating the potential of rangelands to sequester carbon to offset global climate change and improve ecosystem function we can not ignore the superior outcomes achieved by conservation award winning ranchers, those who have restored ecosystem function and productivity on degraded rangeland using adaptively managed multi-paddock, time - controlled grazing, or published research that does not refute the results achieved on these ranches.»

Superior results in terms of range ecosystem improvement, productivity, soil carbon and fertility, water holding capacity and profitability have been regularly obtained by ranchers using multiple paddocks per herd with short periods of grazing, long recovery periods and adaptively changing recovery periods and other management elements as conditions change [4,5].

But one thing that gets overlooked (in my opinion) is that primary and secondary productivities are not the only values in the ocean or any other ecosystem.

However, Helbig et al. [2017], using a set of nested paired eddy covariance flux towers in a boreal forest - wetland landscape, point to the increasing importance of warming temperatures on ecosystem respiration potentially overwhelming enhanced productivity occurring from land cover change under projected anthropogenic trends.

Joseph Bast, who works with the group, highlighted some of the group's conclusions in Forbes: There is little risk of global food insecurity owing to higher levels of CO2, as higher CO2 will greatly aid plant productivity; «No changes in precipitation patterns, snow, monsoons, or river flows that might be considered harmful to human well - being or plants or wildlife have been observed that could be attributed to rising CO2»; and little risk to aquatic or dry - land ecosystems.

Heat waves, extreme precipitation events and flooding or extreme droughts, are also what actually cause climate damage — for instance lower agricultural productivity (as during the extremely hot 2003 summer in Western Europe) or biodiversity decline at ecosystem levels ranging from aquatic desert systems to entire rainforest biomes.

Forkel M., Carvalhais N, Rödenbeck C, Keeling R, Heimann M, Thonicke K, Zaehle S, Reichstein M. Enhanced seasonal CO2 exchange caused by amplified plant productivity in northern ecosystems.

J. E. Janisch, M. E. Harmon; Successional changes in live and dead wood carbon stores: implications for net ecosystem productivity, Tree Physiology, Volume 22, Issue 2 - 3, 1 February 2002, Pages 77 — 89, https://doi.org/10.1093/treephys/22.2-3.77

Figure 3.6 illustrates how reduced warming could reduce the risk of, for example, affecting a significant number of ecosystems, the risk of extinctions, and the likelihood that cereal productivity in some regions would tend to fall.

Our current research focuses on how changes in emissions of these compounds or their precursors influence climate, how changes in climate influence both emissions and atmospheric lifetimes of these compounds, and how changes in their abundance in the atmosphere influences society by affecting human health and ecosystem productivity.

We estimate a 30 per cent reduction in gross primary productivity over Europe, which resulted in a strong anomalous net source of carbon dioxide (0.5 Pg C yr - 1) to the atmosphere and reversed the effect of four years of net ecosystem carbon sequestration6.

sensitivity the degree to which a system will respond to a change in climatic conditions (e.g., the extent of change in ecosystem composition, structure and functioning, including net primary productivity, resulting from a given change in temperature or precipitation)

Other benefits such as increased water availability, reduced energy demands, and greater ecosystem productivity may also occur in specific regions over the short or long - term.

This zone has formed the Kalahari, Sahara and Arabian deserts — deserts that are likely to all migrate in pole - ward direction, eating away at ecosystems and agricultural productivity in their paths.

There may be changes in nutrient availability, biological productivity, and the structure of marine ecosystems from the bottom of the food chain to the top.

In regions where fixed N was in short supply, added N generally increases productivity and C storage within ecosystems, and ultimately increases losses of N and cations from soils, in a set of processes termed «N saturation&raquIn regions where fixed N was in short supply, added N generally increases productivity and C storage within ecosystems, and ultimately increases losses of N and cations from soils, in a set of processes termed «N saturation&raquin short supply, added N generally increases productivity and C storage within ecosystems, and ultimately increases losses of N and cations from soils, in a set of processes termed «N saturation&raquin a set of processes termed «N saturation»

The allocation of ecosystem net primary productivity in tropical forests.

Ecosystem productivity and carbon cycling in intact and annually burnt forest at the dry southern limit of the Amazon rainforest (Mato Grosso, Brazil).

Ecosystem respiration and net primary productivity after 8 — 10 years of experimental through - fall reduction in an eastern Amazon forest.

Using such an approach, ZSD observations could be used to explore changes in ocean ecosystems to support fisheries and to anticipate critical transitions in fish productivity.

SCC is effectively an estimate of the direct effects of carbon emissions on the economy, and takes into consideration such factors as net agricultural productivity loss, human health effects, property damages from sea level rise, and changes in ecosystem services.

The roles of reservoir typology, spatiotemporal variability, and ecosystem productivity in determining GHG emissions all deserve further analysis.