The reason seemed to be the hydrological intactness of the natural peat swamp forest ecosystem in which the water table remains close to the surface.
(The reason; seemed; ) (The reason; to be; the hydrological intactness of the natural peat swamp forest ecosystem) (the water table; remains; close to the surface; L:the natural peat swamp forest ecosystem)
The reason The reason the water table
seemed to be remains
the hydrological intactness of the natural peat swamp forest ecosystem
close to the surface L:the natural peat swamp forest ecosystem