Abiotic factors are components in the biosphere which are non-living. Physical factors like weather and temperature, geographical and chemical factors, for instance: rocks and minerals, are all a part of the abiotic components that help make up the ecosystem. These factors effect the living organisms in the freshwater community. In a nutshell, abiotic factors are environmental factors that
. determine the success of life and reproduction. More information can be found here: http://www.biology-online.org/6/3_abiotic_factors.htm