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.
Priv combines the best
of BlackBerry security and
productivity with the expansive mobile application
ecosystem available on the Android platform.
We are, therefore, creating a nationwide integrated
ecosystem to ensure effective communication among market participants and spread knowledge and developing a base
of competencies related to improved labour
productivity,» Pyotr Zolotarev emphasised.
Agriculture and forestry services should focus on techniques that can make small farms viable productive units while protecting the integrity and
productivity of land
ecosystems.
The results show
ecosystem responses relating to primary
productivity, movement
of organic matter and habitat for fish and macroinvertebrates.
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.
«Our modeling results suggest that the physical aspects
of the kelp — its sheer size and its presence, the shade that it casts, its effect on flow and the habitat it provides for predators — affect the reef
ecosystem more than its
productivity,» Miller said.
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.»
This
ecosystem, which alone provides 5 to 10 %
of the world's catches, owes its exceptional
productivity to the nutrients provided by upwellings
of deep, cold, nutrient - rich water along the coasts.
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.
Ecosystem productivity, one factor considered responsible for regulating plant biodiversity, has long been a subject
of debate.
In their model herbivory is greatest in relatively unproductive environments, with predation more important and the impact
of herbivory reduced as
ecosystem productivity increases.
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.
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.
It found that all
of the human - induced changes affected the
productivity of the grassland plots, but only those that reduced biodiversity reduced
ecosystem stability.
Large - bodied predators and herbivores provide «top - down» control on
ecosystems, which helps to balance the effects
of environmental, or «bottom - up» factors, such as primary
productivity or climate.
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.
How can the atmospheric sciences community facilitate access to ozone metrics necessary for quantifying the impact
of tropospheric ozone on human health, crop and
ecosystem productivity and climate?
Environmental regulation
of primary
productivity in aquatic
ecosystems, physiological ecology
of phytoplankton, hydrological optics, integrated ocean observatories.
«We need a better understanding
of how
ecosystems function to maintain their
productivity, and the new biology will encourage the technologies needed to advance this understanding.»
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.
First, the company will launch a flagship slider device, Priv, which will run on the Android operating system, bringing together the best
of BlackBerry security and
productivity with the expansive mobile application
ecosystem available on the Android platform.
«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.
I believe that biodiversity has inherent merit regardless
of its role (or lack thereof) in
ecosystem productivity or function.
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.
If the impact
of such a change is on the resilience rather than the
productivity of the system, the damage may not be evident until much later, when the
ecosystem collapses for a seemingly unrelated cause.
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].
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.
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.
After losing 80 %
of the world's natural and intact forest habitats, mostly to agriculture, few people stop to wonder how Earth can accommodate these additional demands upon plants» primary
productivity and still produce food, preserve wild places and maintain
ecosystems required to maintain a habitable Earth.
The Large Marine
Ecosystem (LME) approach recommends a baseline of information at the LME management scale on changing states of productivity, fish and fisheries, pollution and ecosystem health, and socioeconomic and governance co
Ecosystem (LME) approach recommends a baseline
of information at the LME management scale on changing states
of productivity, fish and fisheries, pollution and
ecosystem health, and socioeconomic and governance co
ecosystem health, and socioeconomic and governance conditions.
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.
This brief describes the goals
of climate - smart agriculture to increase
productivity and incomes, increase the resilience
of ecosystems contribute to mitigation and enhance food, nutrition and energy security.
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.