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.
Share on Facebook. Ecological footprint: what is it? An analysis that gauges our impact on the planet's biological systems, the ecological footprint measures human consumption of natural resources in comparison to Earth's ecological capacity to regenerate them. Individually, each of us has a footprint, and, collectively, they aggregate across geographical zones and other means of classification.