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A subdivision of a region, especially an ecological region.

sub′re′gion·al adj.


(Environmental Science) a subdivision of a region, esp a zoogeographical or ecological region
subˈregional adj
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References in periodicals archive ?
Leadership positions at the Commonwealth Parliamentary Association, Africa, will be held by subregions on a rotational basis.
a) It first distributes the target region into different subregions based on the sensor coverage using the algorithm in [13].
An absolute experimental study was performed by comparative observation in two subregions of Antioquia, Colombia.
South Asia will remain the fastest growing of all subregions in Asia and the Pacific, despite a downward revision from previous projections from 6.7 per cent to 6.5 per cent in 2017, and is expected to pick up to 7 per cent in 2018.
By region, Asia and the Pacific recorded the highest increase in international arrivals at 9 percent, with all Asian subregions enjoying growth of at least 7 percent.
The main objectives of this study are to (1) divide the whole WRB into several homogenous subregions, which are appropriate for the regional frequency analysis; (2) analyze the spatial variations of extreme dry spell and estimate the potential risk of the region which will be more prone to prolonged dry spells; (3) reveal the spatial variation of quantiles of AMDSL by the regional frequency method via L-moments method; (4) study the relationship between El Nino-Southern Oscillation (ENSO) events and extreme dry spells in the WRB using the cross wavelet analysis method.
All four subregions benefited, with North America, boosted by Mexico, Central and South America all increasing by 6%, and the Caribbean by 5%.
The primary outcome was the inhibition of worsening cartilage damage in both knees, as assessed using detailed MRI examination of 14 articular subregions in each joint.
Specifically, it only denotes the number of O-D points in different partitioned subregions, without having to consider the dimension of subregions.
Then each feature subchannel is divided into several 4 x 4 grid subregions and the mean of each grid is taken to produce 16 values for the gist vector.
In Africa, substantial increases occurred in the Eastern (21 percentage points), Southern (16 points), and Northern (16 points) subregions, but gains were smaller (7-8 points) in Middle and Western Africa, the two subregions where prevalence had been lowest in 1990.