OCR GCSE Combined Science A · J250
Specification B6.1a, B2 · Biology Paper 1, Biology Paper 2, Chemistry Paper 1, Chemistry Paper 2, Physics Paper 1, Physics Paper 2
The proportion of a sampled area occupied by a species, expressed as a percentage.
Revise: Ecological Field InvestigationsFor grass or moss, estimate percentage cover instead. A gridded quadrat helps you judge how much of its area the species occupies; combine partially occupied squares to estimate whole-square equivalents. Use the same approach for every sample.
- Revise: Sampling Techniques
An estimate of the percentage of a sampled area covered by a particular species.