A gram stain is a type of microbiology or laboratory test that determines whether bacteria are present. It also determines whether bacteria are gram negative or gram positive. The difference between gram negative and gram positive bacteria can be important when determining appropriate treatment for an infection.
Globally, the available ecologically productive land area included in the Ecological. footprint analysis is 1.89 hectares for each person. The footprint takes into account fossil. fuel use, cropland, forests, nuclear and hydroelectric power, fisheries and buildings.
Ecological Footprint Accounting and Methodology. The Ecological Footprint is a resource accounting tool that measures the amount of biologically productive land. and water area an individual, a city, a country, a region, or all of humanity uses to produce the resources it. consumes and to absorb its waste using prevailing technology.