Exact(4)
There are a variety of ways to define bioregions and mostly a combination of data analysis and subjective expert judgement is used, mainly because data on the distributions of biota are sparse or uneven.
Smith et al. [115] analyzed GIS (geographic information systems) data on the distributions throughout the Greater Caribbean (the Caribbean plus the Gulf of Mexico, Florida, the Bahamas, and Bermuda) of 987 species of fishes and 144 species of invertebrates (mollusks and crustaceans).
Data on the distributions of reference taxa were obtained from a combination of georeferenced point localities and range maps and included the following sources: Ensatina [ 18], Acacia [ 27], Phylloscopous [ 34], and Larus [ 34].
Due to the absence of published data on the distributions underlying the means of most parameters our sensitivity analysis is restricted to one-way and two-way sensitivity analysis.
Similar(56)
One can also move to making maps of generic seismic risk even before one has data on the distribution of exposure and vulnerability.
But the numbers are daunting just the same, if one contrasts them with data on the distribution of household money income (after taxes and transfers) by income group, as is done in Figure 4.
Mr. Marlow said his researchers were analyzing the ethnic and racial backgrounds of Facebook users — in the aggregate, he stressed, using census data on the distribution of last names — to see which groups are overrepresented and which are underrepresented.
The Monitor is an interactive online world map with data on the distribution of murder by country, year, age of victim and – where figures are available – gender and type of weapon.
It is illuminating as well as alarming to juxtapose the Milliman data with data on the distribution of money income among households in the United States.
That, and the data on the distribution and evolution of wealth, represent an enormous achievement and the basis for the narrative.
First and foremost, there is a need for more reliable data on the distribution of global reserves and global production potential.
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com