求翻译：井冈山地处罗霄山脉中段，是南亚热带、中亚热带交汇的核心区域，是“东西替代”的天然屏障，也是“南北过渡”聚集地和物种迁移通道。是什么意思？

The Jinggangshan located in Luoxiao the middle of the South Asian tropical, the subtropical convergence of the core region, is replaced by something "natural barrier, is also a north-south transition" gathering place and species migration Channel.

正在翻译，请等待...

Jinggang Mountains are situated at the Luoxiao arteries center-section, is the South Asian tropics, the central Asia tropics connection core region, is “the thing substitution” natural blockade, also is “the north and south transition” the accumulation and the species migration channel.

Jinggangshan is located in the middle part of Mount luoxiao, is the core area of the subtropical convergence in the South subtropical zone, is the "alternative" natural defense "transition between North and South" area and species migration channels.

正在翻译，请等待...