With a population of over 40 million users worldwide, a number doubling every year, the internet has become a medium with distinct business opportunities. To academic and commercial researchers, the ...

Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and ...

This is a preview. Log in through your library . Abstract To manage a large commercial fishery it is necessary to have a good estimate of its exploitable biomass. Knowledge of this parameter is ...

This Section implements all activities of the IAEA's Water Resources Programme, which promotes and transfers know-how on the use of isotope hydrology as an effective tool for water resources ...

An inherent principle of publication is that others should be able to replicate and build upon the authors' published claims. A condition of publication in a Nature Portfolio journal is that authors ...