Ecosystem Engineer
Any biological organism that creates or modifies habitats. Beavers are an example or allogenic ecosystem engineers that modify their environment by mechanically changing materials form one form to another.
Ecosystem Structure
Attributes related to the instantaneous physical state of an ecosystem; examples include species population density, species richness or evenness, and standing crop biomass.
Source: Terms of the Environment ...
Plants, Animals, and Ecosystems
Most plants and animals live in areas with very specific climate conditions, such as temperature and rainfall patterns, that enable them to thrive.
ecosystem - an interconnected and symbiotic grouping of animals, plants, fungi, and microorganisms.
edge cities - cities bounded by water, usually with eroding or polluted waterfront areas.
efficiency - see energy efficiency.
ecosystem
Grouping of organisms (micro-organisms, plants, animals) interacting together, with and through their physical and chemical environments, to form a functional entity within a defined environment.
Ecosystem: A system formed by the interaction of a group of organisms and their environment.
Ecosystem: The interacting system of a biological community and its non-living environmental surroundings.
ecosystem A community and its living and nonliving environment considered collectively; the fundamental unit in ecology.
Ecosystem: a biological community and its physical environment
Ectotherm: body temperature determined by environmental conditions rather than physiological conditions ...
ECOSYSTEM: A community of plants and animals and the physical environment in which they live.
Ecosystem. A natural community of organisms and the physical environment in which they interact.
Ecosystem Services - Services and goods produced by ecosystem functioning and utilized by or otherwise promoting the existence and welfare of humans and human society.
Ecosystem: A dynamic and complex system of plant, animal and microorganism communities and their non-living environment all interacting as a functional unit within a defined physical location.
Ecosystem: community of animals and plants and the physical environment in which they live.
Effluent: discharge or emission of a liquid or gas.
Ecosystems services: ways in which natural ecosystems support human life and civilisation, such as coral reefs providing a barrier to storms, forests changing carbon dioxide into oxygen, wetlands purifying water and so on.
ecosystems = ecological community, consists of all plants, animals and microorganisms
EEO = Energy Efficiencies Opportunities
EER = energy efficiency ratio ...
ecosystem
Interrelated and interdependent parts of a biological system.
eelgrass (Zostera marina) ...
Ecosystems are systems in which organisms interact with each other and with their environment.
ecosystem : The interacting synergism of all living organisms in a particular environment; every plant, insect, aquatic animal, bird, or land species that forms a complex web of interdependency.
Ecosystem Approach to Fisheries (EAF)
An approach to fisheries management that strives to balance diverse societal objectives by taking into account the knowledge and uncertainties about biotic, abiotic, ...
ecosystem: all living things and their environment, in an area of any size, linked together by energy and nutrient flow.
endangered: a species which is in danger of extinction throughout all or most of its range.
E ecosystem type
Definition (english only)
Ecosystems can be classified according to various criteria: e.g. from the point of view of energy source, two major types of ecosystems can be distinguished.
Agroecosystem: Land used for crops, pasture, and livestock; the adjacent uncultivated land that supports other vegetation and wildlife; and the associated atmosphere, the underlying soils, groundwater, and drainage networks.
Ecosystem: The interacting plants, animals, and physical components (sunlight, soil, air, water) of an area.
Effluent: Waste liquid flowing into a river or lake from a house, industry, sewage treatment plant, or other source.
Ecosystem: The complex of plant, animal, fungal, and microorganism communities and their associated non-living environment interacting as an ecological unit. Ecosystems have no fixed boundaries.
Ecosystem An organism or group of organisms and their surroundings. The boundary of an ecosystem may be arbitrarily chosen to suit the area of interest or study.
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Ecosystem Restoration; Electrical Resistivity
ERA
Economic Regulatory Agency ...
Ecosystem
The biotic community and abiotic environment within a specified location and time including the chemical, physical and biological relationships among the biotic and abiotic components.
Ecosystem Structure ...
Effects on ecosystems
Secondary evidence of global warming — lessened snow cover, rising sea levels, weather changes — ...
CONSUMPTION Any ecosystem includes both consumers and producers. Plants are 'producers' because they produce food. All animals are consumers, since they consume food in the food chain, produced by the plants. People also fall in the consumer category.
A type of treeless ecosystem dominated by lichens, mosses, grasses, and woody plants.
Turbidity
A cloudy condition in water due to suspended silt or organic matter.
Biosphere The ecosystem in which living organisms exist or that is capable of supporting life. Blackwater Waste water containing urine and fecal matter. Brownfields The U.S.
Photosynthesis is the primary source of energy in the global ecosystem.
phytoplankton that portion of the plankton community composed of algae and cyanobacteria ...
Ecosystem A holistic concept of the plants, the animals habitually associated with them and all the physical and chemical components of the immediate environment or habitat which together form a recognizable self-contained entity.
National Parks Home to Complex Ecosystems
The reports shows the fragile and complex connections that make up natural ecosystems, ...
Natural ecosystems such as coral reefs, mangrove swamps, arctic tundra, and alpine meadows are especially vulnerable and may disappear entirely in some areas.
Nuclear War - All-out nuclear war could make the planet's ecosystem uninhabitable for millennia. The threat of nuclear terrorism is a subset of this problem and, while clearly a serious problem, it's likely to have an effect locally, not globally.
For biological diversity, these items are organized at many levels, ranging from complete ecosystems to the biochemical structures that are the molecular basis of heredity. Thus, the term encompasses different ecosystems, species, and genes.
Sustainability - Term for a system that has potential longevity in our current ecosystem, and is usually applied to the use of renewable vs. non-renewable resources.
This can disturb the ecosystem and causes silting that kill aquatic life. Dredging of contaminated muds can expose biota to heavy metals and other toxics. Dredging activities may be subject to regulation under Section 404 of the Clean Water Act.
The majority of this is natural, changes very slowly and consequently the earth's ecosystems have evolved to function best with the greenhouse effect at this natural level.
keystone species: A keystone species is a species that is so interconnected with the other species in its ecosystem that its disappearance changes the balance of the whole ecosystem.
All living organisms in a region or ecosystem.
Biotransformation
Conversion of a substance into other compounds by organisms; including biodegradation.
[Air Pollutants and Their Effects on the Terrestrial Ecosystem; v18 - Advances in Environmental Science and Technology Series; Hidy, ed.; pages 239, 240, 243; 1986; Wiley; New York.] [Journal of Geology; v102; 283-296; 1994.] ...
The atoms and molecules on the earth cycle among the living and nonliving components of the biosphere.
Human activities modify ecosystems.
Physical properties of compounds reflect the nature of the interactions among their molecules.
Biodegradable Material - Material that can naturally break down and be reabsorbed into the ecosystem without human interference.
Abiota - Those non-living factors which are present in and affect the characteristics of a given ecosystem.
Areas where fresh water from rivers mixes with salt water from nearshore ocean. They include bays, mouths of rivers, salt marshes and lagoons. These brackish water ecosystems shelter and feed marine life, birds and wildlife.
Ethylene glycol ...
Warmer temperatures could dramatically alter ecosystems in all regions of Canada and bring a range of problems such as droughts, flooding, forest fires, insect infestations and melting permafrost.13 ...
Meeting the needs of the present without diminishing the ability of future generations to meet their needs. Sustainability also means that human practices do not result in the permanent damage, alteration or depletion of the environment, ecosystems, ...
and animals that emit air pollutants such as volatile organic compounds. Examples of biogenic sources include animal management operations, and oak and pine tree forests. (See also natural sources.) For more information, please go to our Ecosystems ...
Researchers call this "Free Air Carbon dioxide Enrichment" (FACE). This represents the most natural of experimental conditions and entire ecosystem responses can be evaluated. However, very high costs discourage large sample sizes.
Unfortunately, just by being alive most people deteriorate the planet’s ecosystem in many ways. For example: you burn fossil fuels releasing greenhouse gases.
 See also: Environment, Environmental, Water, Waste, Reduce
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