ecological efficiency
11Eco-efficiency — OverviewThe term eco efficiency was coined by the World Business Council for Sustainable Development (WBCSD) in its 1992 publication Changing Course . It is based on the concept of creating more goods and services while using fewer resources and… …
12Controlled Ecological Life Support System — Controlled (or Closed) Ecological Life Support Systems (acronym CELSS) are a type of scientific endeavor to create a self supporting life support system for space stations and colonies typically through controlled closed ecological systems, such… …
13Material efficiency — Building construction can be a materially consumptive endeavor. Material efficiency is a description or metric which expresses the degree in which usage of raw materials, construction projects or physical processes are used or carried out in a… …
14eco-efficiency — n. The ability to manufacture goods efficiently and with as little effect on the environment as possible. Example Citation: McDonough and Alston contend it is not enough for the corporate world to embrace eco efficiency a business buzzword coined …
15Community (ecology) — Ecological community redirects here. For human community organized around economic and ecological sustainability, see ecovillage. Interspecific interactions such as predation are a key aspect of community ecology.[citation needed …
16Nutrient cycle — …
17Photosynthesis — Composite image showing the global distribution of photosynthesis, including both oceanic phytoplankton and vegetation …
18Microbial loop — The microbial loop describes a trophic pathway in the marine microbial food web where dissolved organic carbon (DOC) is returned to higher trophic levels via the incorporation into bacterial biomass, and coupled with the classic food chain formed …
19Trophic level — First trophic level The plants in this image, and the algae and phytoplankton in the lake, are primary producers. They take nutrients from the soil or the water, and manufacture their own food by photosynthesis, using energy from the sun. The… …
20Food web — A freshwater aquatic and terrestrial food web. A food web (or food cycle) depicts feeding connections (what eats what) in an ecological community. Ecologists can broadly lump all life forms into one of two categories called trophic levels: 1) the …
