In 林业、农业、草原、海洋、资源、环境等行业, what industries does 草原 ("grassland") and 海洋 ("ocean") refer to, and why not use 农业 ("agriculture") and 渔业 ("fishing")?
草原 should mean animal agriculture(畜牧業) and any other nature resources related to grassland.
海洋 have similar concept of 草原.
You could use 農林漁牧業 to indicate agriculture,forestry,fishing and animal agriculture industries.