Complex sentence: The proposal received 37 objections with the majority of them citing that steelhead trout were not found in the freshwater river as they were salt water trout, thus one of the reasons for NZGB's proposals was not considered valid.
Split into simpler sentences: The proposal received 37 objections with the majority of them citing that steelhead trout were not found in the freshwater river as they were salt water trout. As a result, one of the reasons for NZGB's proposals was not considered valid.