Who's speaking for these diverse and dynamic Te Waipounamu Maori communities?

Crunching data from the 2013 Census we see that there have been some dramatic changes in the size and location of Maori communities in Te Waipounamu. For instance the number of Maori in the Selwyn District (where I live) is up a staggering 51% This can be attributed to movements post-earthquake and the growth in the agricultural sector. Likewise Waimakariri is up 25%, and Hurunui 35%

This puts the onus on both Crown, Ngai Tahu, and Nga Matawaka/Taurahere to understanding their communities and put in place strategies of support.