McKellar is a sheep and beef farmer, who is proud of what stream planting and fencing has achieved for water quality during his time as environment committee chairman - but said more work is needed.
The four others vying for the two seats are a varied lot. Feilding man Leslie Pillow is a retired journalist and publisher who has been a keen angler. He's also standing for MidCentral District Health Board.
John Turkington is the owner of a large forestry and land management company. He has been a soil conservator and said he wants a balance between development and care for the environment.
Soraya Peke-Mason has been a Rangitīkei District councillor for 12 years. She is completing a degree in business administration and has taken a lead role in preparing her tribe, Ngāti Rangi, for a post-settlement future.
Finally there's Teresa Schulz, a civil servant who has had a life-long interest in farming and science and is just completing a degree in environmental science. Her top concern is ensuring children can still swim in the region's waterways.