Productivity (agricultural) : is a measure of the amount of agricultural output produced for a given amount of inputs, such as an index of multiple (...)
Carrying capacity of ecosystems and human demography In geography and ecology, anthropization is the conversion of open spaces, landscapes, and natural (...)
Biological resources are life generated materials and processes which are naturally and sustainably renewable and biodegradable. As such, biological (...)
Based on our review of the scientific literature, we are certain of the following conclusions : 1) Species’ functional characteristics strongly influence (...)
A food chain or a food web defines who is eaten by whom in a given ecosystem. Body size is a key factor in the feeding behaviour of organisms. In aquatic (...)
Agriculture, yield, and food supply (quantity and quality). In 2010, agriculture covered 4.9 billion ha (with 3.64 billion ha of pastureland and 0.46 (...)
Bioproductivity, efficiency, and related terms The concept may apply to a single organism, a population, or entire communities and ecosystems. In aquatic (...)
Today, the most widely used forms of bioenergy are firewood, bio-ethanol, biodiesel and biogas. Plant biomass as a renewable source of biofuels is (...)
Biomass production in marine ecosystems. In marine ecosystems, phytoplankton is the main source of primary production. The nutrient availability cycles (...)
Biomass, yield, and related terms Biomass, production / productivity, yield, crop performance are alternatively used in the literature. The latter term (...)
Glossary : terminology and grammar aiming to frame the concept of natural resources according to the present state of our knowledge and practices. The (...)