Significance. The calories in two sausage links vary due to the types of meat used. In a two link serving there are 133 calories for brown and serve sausage, 87 calories for brown and serve lite maple sausage, 113 calories for fresh pork sausage and 80 calories for precooked turkey sausage, according to Fat Secret.
Industrial ecology. Industrial ecology (IE) is the study of material and energy flows through industrial systems. The global industrial economy can be modelled as a network of industrial processes that extract resources from the Earth and transform those resources into commodities which can be bought and sold to meet the needs of humanity.
Productivity (ecology) In ecology, productivity or production refers to the rate of generation of biomass in an ecosystem. It is usually expressed in units of mass per unit surface (or volume) per unit time, for instance grams per square metre per day (g mâ2 dâ1). The mass unit may relate to dry matter or to the mass of carbon generated.