Cole, R G Statistical analysis of spatial pattern: a comparison of grid and hierarchical sampling approaches. [electronic resource] - Environmental monitoring and assessment Jun 2001 - 85-99 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0167-6369 Standard No.: 10.1023/a:1010756729485 doi Subjects--Topical Terms: AnimalsEnvironmental Monitoring--methodsGeologic SedimentsInvertebratesPopulation DynamicsSpecimen HandlingWater Pollutants--adverse effects