998 resultados para Soil animals
Simple prediction of the undrained displacement of a circular surface foundation on non-linear soil.
Effect of N and P addition on soil organic C potential mineralization in forest soils in South China
Soil nitric oxide emissions after nitrogen and phosphorus additions in two subtropical humid forests
Resumo:
The need to estimate percentages and/or numbers occurs frequently during practical research work; accurate but rapid estimates can be useful when planning research programmes. Charts are provided that may be used as a visual aid to estimating numbers of animals/plants in a specific situation, for example, the number of fish fry in a subsample from a hatchery tank, or the percentage composition of a sample such as the percentage algal cover in a pond.
