然而，现居于育空南部湖区的三个鹿群基因特点却各不相同。
However, three herds that currently inhabit the immediate area, the Southern Lakes, are genetically distinct.
同样被收录到这组前后对比图集的还有位于埃及南部的托斯卡湖区。
Also included in the before-and-after pictures are the Toshka Lakes, in southern Egypt.
数据统计分析结果表明湖区的西部与北部为重度污染，南部为中度污染，东部的污染程度介于上述两者之间。
The results of statistical analysis indicate that the west and north areas of the lake are heavily polluted, while it is averagely polluted in the south area.
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