In addition, the incorporation of silt particles in biofilm may provide an additional source of nutrients.
Shipping is, in effect, an additional source of profit.
An additional source of possible savings is housing associations' private finance costs.
"You get a nice additional source of money," he said, "but it's no gravy train".
"It is providing charities with a much-needed additional source of fundraising.
An additional source of anxiety is that S.P.s are, in effect, adjunct medical-school instructors.
The choice of works is an additional source of difficulties, further complicated by artists' widespread enthusiasm.
This was originally proposed as a welcome additional source of new supply on land not currently identified for housing.
But it's a lucrative additional source of income for airlines wanting to keep headline fares to a minimum.
Still, most camp owners regard off-season operations as an additional source of money, not the main event.
Alongside the farms, beehives provide an additional source of income and encourage conservation of the surrounding forest.
