Statistical collection involving the enumeration of all units (large sample-based collections are sometimes also referred to as censuses). A complete inventory of all elements of the observed population. (FAO. 2017. World Programme for the Census of Agriculture 2020. Volume I Programme, concepts and definitions. https://openknowledge.fao.org/handle/20.500.14283/i4913e and adapted from FAO (1998): Guidelines for the routine collection of capture fishery data. FAO Fish. Tech. Pap, 382: 113 p)
The oxygen maximum layer refers to a specific depth within a body of water, typically an ocean or lake, where the concentration of dissolved oxygen is at its highest. (AGROVOC Team, 2024)
