Ecological footprint: The ecological footprint is a measure of human demand on the Earth'secosystems. It is a standardized measure of demand fornatural capital that may be contrasted with the planet'secological capacity to regenerate.
Ecological Risk Assessment
The application of a formal framework, analytical process, or model to estimate the effects of human actions(s) on a natural resource and to interpret the significance of those effects in light of the uncertainties identified in each component of the assessment process.
Ecological Efficiency: the percentage (usually around 10%) of useful energy that passes from one trophic level in a food chain to another. Shorter food chains tend to lose less energy.
Ecological Equivalents: species that live far apart but in similar niches and ecosystems.
Today, allover the world, including Tibet, ecological degradation is fast 0vertaking us.
Ecologically Appropriate Site Features
Ecologically appropriate site features are natural site elements that maintain or restore the ecological integrity of the site.
~ Footprint - The area of land and water needed to produce the resources to entirely sustain a human population and absorb its waste products with prevailing technology. The concept of an ~ footprint is used as a resource management and community-planning tool.
Application of ~ insights to economic analysis in a holistic, contextual, value-sensitive, ecocentric manner.
~ equivalents ...
the surface area in the landscape used for the ~ services for a person, a city or a country or activity; the footprint is commonly made up of six categories: agricultural land, forest land, energy land, waste sinks, land to absorb waste, e.g.
~ indicators are scientific constructs that use quantitative data to measure aspects of biodiversity, ecosystem condition, services, or drivers of change, but no single ~ indicator captures all the dimensions of biodiversity (C2.2.4).
~ indicator Use of certain species' tolerances to reflect or infer more general environmental characteristics; see indicator.
~ niche The functions of the organism in its ~ setting. See niche.
~ footprint: An ~ footprint is the amount that each of us affects the earth by using its resources.
~ Disturbance. ~ means related to ecology, which is the sum of the relationships between organisms and their environment. An ~ disturbance is an event that interrupts these relationships between organisms and the environment.
~ Effects of West Virginia Spill
Scant data available on spilled chemical, raising concerns about its long-term ~ effects.
Vast "Lake" Found Inside Greenland ...
The total impact on the environment including source depletion, pollution and degradation of habitats.
~ deficit ...
The ~ Footprint measures how our lifestyles affect other people as well as the planet. It works out how much land and sea is needed to feed everyone and to provide all the energy, water and raw materials like wood we use in our everyday lives.
1) The environmental impact of one human being on the ecosystem, measured by the variety of material goods consumed in day-to-day living; ...
~ly sustainable economic system: An economic system that operates without a net consumption of natural resources, and without endangering biodiversity or other ~ values. Ultimately, ~ly sustainable economic systems are supported by the wise use of renewable resources.
~ rucksack is the total weight of material flow 'carried by' an item of consumption in the course of its life cycle. Like the ~ footprint, the ~ rucksack concept deals with displaced environmental impacts but has a more technical focus.
~ indicator : A characteristic of the environment that, when measured, quantifies magnitude of stress, habitat characteristics, degree of exposure to a stressor, or ~ response to exposure. The term is a collective term for response, exposure.
~ Indicator: A characteristic of an ecosystem that is related to, or derived from, a measure of biotic or abiotic variable, that can provide quantitative information on ~ structure and function. An indicator can contribute to a measure of integrity and sustainability.
~ Roles of Fresh-Water Microbes
Like all ecosystems, fresh-water ecosystems require energy inputs to sustain the organisms within. In lakes and streams, plants and also certain microbes conduct photosynthesis to harvest the Sun's energy.
E ~ rucksack
Definition (english only)
The material input of a product (service) minus the weight of the product itself. The material input is defined as the life cycle wide total quantity (in kg) of natural material moved (physically displaced) by humans in order to generate a good.
The ~ Importance of Wetlands
Beyond definitions, wetlands are essential ~ features in any landscape. They are primary habitat for hundreds of species of waterfowl as well as many other birds, fish, mammals and insects.
~ energetics The branch of ecology in which communities are studied from the point of view of the energy flowing through them. ~ niche A term with alternative definitions, not all of them synonymous. To state two: ...
~ Data Centre Design . Tips And Ideas By John Stratos
Perpetually-growing electrical expenses, ever-shifting weather conditions, stricter Government rules, plus trade growth, in-house expense cutbacks and ....
Soil Landscapes of Canada
Canada Land Inventory
Soil Survey Data ...
~ administration systems
Resource preservation, and application
Centralised pollution regulation
Public hygiene, hydration and water treatment
Flood prevention, floodwater removal, and related leisure, service and preservation operations ...
~ Society of America
Promotes ~ science by improving communication among ecologists, raising public awareness, increasing resources available
FirstGov Environment, Energy and Agriculture page ...
A condition that is determined to be characteristic of its natural region and likely to persist, including abiotic components and the composition and abundance of native species and biological communities, rates of change and supporting processes.
~ system or ecosystem ...
~ Entity: In ~ risk assessment, a general term referring to a species, a group of species, an ecosystem function or characteristic, or a specific habitat or biome.
~/Environmental Sustainability: Maintenance of ecosystem components and functions for future generations.
An ~ or environmental area where a particular species of animal, plant, or organism lives. It can be the natural environment of the organism or the physical environment that surrounds a population.
ESD = ~ly Sustainable Development (such as National Starategy for ESD (1992))
ESRI = supplier of GIS applications, data, training, support
ESS = Energy Savings Scheme (NSW State Government) (replacing GGAS) ...
Relative ~ Sustainability: Ability of an ecosystem to maintain relative ~ integrity indefinitely.
Relative Permeability: The permeability of a rock to gas, NAIL, or water, when any two or more are present.
Cumulative ~ Risk Assessment: Consideration of the total ~ risk from multiple stressors to a given eco-zone.
Cumulative Exposure: The sum of exposures of an organism to a pollutant over a period of time.
~ anorexia Worry and guilt over the effect of man on the environment that results in overly scrupulous reduction of the ~ footprint such as refusing to heat the home in winter, taking cold baths or stumbling about in the dark.
Transect: an ~ method particularly useful in examining zonation or gradients
Trophic Level: refers to a position in the hierarchy of the food web shared by all organisms are the same number of steps away from the primary producers ...
ecosystem: an ~ community together with its physical environment, considered as a unit.
effluent: waste material, such as water from sewage treatment or manufacturing plants, discharged into the environment.
They also may disrupt reproductive processes, cause birth defects and can cause serious environmental and ~ problems. algae Simple rootless plants that grow in bodies of water in relative proportion to the amounts of nutrients available.
A point or level at which new properties emerge in an ~, economic or other system, invalidating predictions based on mathematical relationships that apply at lower levels.
Natural resource managers, such as foresters, manage forests using sound biological and ~ principles. In fact, forest managers rely heavily on and apply the silvics of tree species in making management decisions.
The number and variety of different organisms in the ~ complexes in which they naturally occur. Organisms are organized at many levels, ranging from complete ecosystems to the biochemical structures that are the molecular basis of heredity.
Assessment Endpoint- In ~ risk assessment, an explicit expression of the environmental value to be protected; includes both an ~ entity and specific attributed thereof. entity (e.g.
Sustainability- The potential longevity of ~ systems. Sustainable agriculture, for example, refers to a farm's ability to produce indefinitely without causing irreparable damage to the ecosystem; in other words, ...
Sequence of processes in an ecosystem by which higher concentrations are attained in organisms at higher trophic levels (at higher levels in the food web); at its simplest, a process leading to a higher concentration of a substance in an organism than in its food.
aquatic ecosystem - Basic ~ unit composed of living and nonliving elements interacting in an aqueous environment.
aquifer - The underground layer of water-soaked sand and rock that acts as a water source for a well; described as artesian (confined) or water table (unconfined).
The part of national economy which attempts to integrate an economic approach with an ~ one. In short, it would be true to say that environmental economy constitutes an attempt to make concealed environmental costs visible - i.e.
Mitigation (v) - 1.) restoring, replacing, or creating ~ habitats (usu. wetlands) in one area to compensate for loss of natural habitats in another area due to development.
Molecule (n) - the smallest particle of a compound that contains all the characteristics of the compound.
The complex system of plant, animal, fungal, and microorganism communities and their associated non-living environment interacting as an ~ unit. Ecosystems have no fixed boundaries; instead their parameters are set to the scientific, management, or policy question being examined.
Economic Valuation - In environmental and ~ fields, this is the estimation of an economic value for an ecosystem, a natural environment, or for some set of characteristics, processes, or functions of an ecosystem.
biodiversity - a large number and wide range of species of animals, plants, fungi, and microorganisms. ~ly, wide biodiversity is conducive to the development of all species.
Exposure Assessment: Measurement or estimation of the magnitude, frequency, duration, and route of exposure of humans, animals, materials, or ~ components to substances in the environment. The assessment also describes the size and nature of the exposed population.
Top of page ...
Scientists in NOAA’s National Centers for Coastal Ocean Science (NCCOS) Remote Sensing Team use remote sensing to detect and monitor the ~ consequences of nonpoint source pollution, among them, harmful algal blooms (HABs).
Pollutant -- Any substance that, when present in a hydrologic system at sufficient concentration, degrades water quality in ways that are or could become harmful to human and/or ~ health or that impair the use of water for recreation, agriculture, industry, commerce, ...
Well-defined terrestrial environment (e.g., desert, tundra, or tropical forest). The complex of living organisms found in an ~ region.
What are the ~ implications of using Hemp instead of wood for making paper?
7. What are the economical implications using Hemp instead of wood for making paper?
(Questions 6 and 7 need some research on how normal paper is made and the effects of the process.) ...
land-use systems and technologies where woody perennials (trees, shrubs, palms, bamboos, etc.) are deliberately used on the same land-management units as agricultural crops and/or animals, in some form of spatial arrangement or temporal sequence. In agroforestry systems there are both ~ and ...
Along with bacteria, fungi are the principal organisms responsible for the decomposition of carbon in the biosphere. Fungi have two ~ advantages over bacteria: (1) they can grow in low moisture areas, and (2) the can grow in low pH environments.
economic systems that last longer and have less impact on the environment, particularly relating to concern over major global problems like the climate crisis and oil depletion. Sustainable goods can be used indefinitely without the possibility of depletion, and therefore complement ~ ...
represents a commitment to continuous improvement in safety and the protection of health and the environment, irrespective of the statutory requirements imposed in the different countries of the world. The purpose is to establish achievable goals so as to ensure that future planning is ~ly, ...
Thermal Pollution The addition of heat to a body of water that may change the ~ balance Threshold Limit Value (TLV) The concentration of an airborne substance to which an average person can be repeatedly exposed without adverse effects.
See also: What is the meaning of Water, Environment, Environmental, Well, Health?