29 results found

Search Results for: productivity

Net primary productivity

In order to keep the biosphere running, different organisms play different roles and functions. Some help in oxygen... Read More

Pyramid of Productivity

Definition noun A graphical representation in the shape of a pyramid showing the distribution of productivity or flow of... Read More

Productivity

productivity amount of production over a given period of time. Expressed as a rate such as g/m2 per day, kg/ha per year,... Read More

Primary productivity

'''Primary productivity (Botany) - the rate at which biomass is produced by organisms which converts inorganic substrates... Read More

Ecosystem

Ecosystem Definition An ecosystem is a system consisting of biotic and abiotic components that function together as a unit.... Read More

Independent variable

Independent Variable Definition To define an independent variable, let us first understand what a variable is. The word... Read More

Feedback mechanism

Feedback Mechanism Definition What is a feedback mechanism? A feedback mechanism is a physiological regulation system in a... Read More

Green revolution

Green revolution advances in genetics, petrochemicals, and machinery that culminated in adramatic increase in crop... Read More

Carbon fixation

Carbon Fixation Definition We know that the earth contains many elements. The periodic table shows us just how many... Read More

Outwelling

Definition noun Outflows of organic carbon particulates that tend to expel salt, silicate, nitrate and orthophosphate from... Read More

Still Water Community Plants

Freshwater Plants & Water As mentioned in the previous tutorial about still water plants, the method of transpiration... Read More

Dominant species

Dominance is the state of being supreme or dominant. Community dominance refers to the form of dominance where certain... Read More

Biodiversity

Biodiversity Lead Author: J. Emmett DuffyThis article has been reviewed and approved by the following Topic Editor: John... Read More

Milk yields affected by music tempo

Dairy cows produce more milk when listening to REM's 'Everybody Hurts' or Beethoven's 'Pastoral Symphony' than when... Read More

Non-sustainability

Definition noun The state in which human consumption or activities exceeds the ability of the ecosystem to replenish over... Read More

Unsustainability

Definition noun (1) The incapacity of keeping (something) sustainable; the capability of getting depleted (2) The state in... Read More

Trophic level

In ecology, a trophic level pertains to a position in a food chain or ecological pyramid occupied by a group of organisms... Read More

Ecosystem diversity

Ecosystem Diversity Definition What is ecosystem diversity? Ecosystem diversity deals with the study of different... Read More

The Application of Biotechnology to Nutrition: An Overview

Maureen Mackey, PhD, FACN Monsanto Company, St Louis, Missouri Address reprint requests to: Maureen Mackey, PhD,... Read More

Photolysis

Photolysis Definition We define photolysis as a chemical process in which chemical compounds or molecules are split into... Read More

Positive feedback

Positive Feedback Definition Each mechanism of the body like temperature, blood pressure, and levels of specific nutrients... Read More

Mutualistic symbiosis

Mutualistic Symbiosis Definition In order to understand what a mutualistic symbiotic relationship means, we will break down... Read More

Edmonton Protocol – Possible cure for Type 1 Diabetes patients

Abstract The Edmonton Protocol is only capable of treating patients with Type 1 Diabetes since they lack the appropriate... Read More

Biome

Biome Definition What are biomes? There is no universal definition of biomes. But biome definition in biology of different... Read More

Symbiosis

Symbiosis Definition What is symbiosis? Symbiosis can be defined as any kind of relationship or interaction between two... Read More

Rhizome

The rhizome is derived from the Greek word rhizoma, meaning "a bunch of roots". Usually, rhizomes are confused with roots;... Read More

Degenerate

Degenerate means to become worse or less of its kind or former state. In biology, it means an entity performs the same... Read More

Dominant

Dominant Definition The word dominant or dominant trait is commonly used in biology. The general meaning of dominant is to... Read More

Endangered ecosystems: Review on conservation status of Asian rivers

Physical, chemical or biological changes in the environment that will affect its equilibrium are indeed a need of thorough... Read More