Trends in Total Nitrogen, 1989-2007
Notes:
(1) A ‘meaningful’ trend is both statistically significant and environmentally meaningful, while a ‘significant’ trend is statistically significant but not necessarily environmentally meaningful (eg, the scale of the change could be very minor).
Read table of data of this map
| Site | Trend |
|---|---|
| Waipapa @ Forest Ranger | No significant trend |
| Waitangi @ Wakelins | Meaningful increase |
| Mangakahia @ Titoki Br. | No significant trend |
| Wairua @ Purua | No significant trend |
| Hoteo @ Gubbs | No significant trend |
| Rangitopuni @ Walkers | No significant trend |
| Waipa @ Otewa | Meaningful increase |
| Waipa @ Whatawhata | Significant increase |
| Waikato @ Hamilton Traffic Br. | Meaningful increase |
| Waikato @ Rangiriri | No significant trend |
| Waihou @ Te Aroha | Significant increase |
| Ohinemuri @ Karangahake | No significant trend |
| Waipoa @ Kanakanaia | Meaningful increase |
| Waikohu @ No. 1 Br. | Meaningful increase |
| Motu @ Waitangirua | Meaningful increase |
| Motu @ Houpoto | No significant trend |
| Tarawera @ Lake outlet | Meaningful increase |
| Tarawera @ Awakaponga | Meaningful increase |
| Rangitaiki @ Murapara | Meaningful increase |
| Whirinaki @ Galatea | Meaningful increase |
| Rangitaiki @ Te Teko | Meaningful increase |
| Waikato @ Reids Farm | Meaningful increase |
| Makaroro @ Burnt Br. | No significant trend |
| Tukituki @ Red Br. | Meaningful increase |
| Ngaruroro @ Chesterhope | No significant trend |
| Ngaruroro @ Kuripapango | Meaningful increase |
| Mohaka @ Raupunga | Meaningful increase |
| Mohaka @ Glenfalls | Meaningful increase |
| Whanganui @ Te Maire | No significant trend |
| Tongariro @ Turangi | Meaningful increase |
| Waitara @ Bertrand Rd | Meaningful increase |
| Manganui @ SH3 | Meaningful increase |
| Waingongoro @ SH45 | Meaningful increase |
| Whanganui @ Paetawa | No significant trend |
| Rangitikei @ Mangaweka | No significant trend |
| Rangitikei @ Kakariki | Meaningful increase |
| Manawatu @ Weber Rd | Meaningful increase |
| Manawatu @ Teachers Coll. | Meaningful increase |
| Manawatu @ Opiki Br. | Meaningful increase |
| Hutt @ Boulcott | No significant trend |
| Hutt @ Kaitoke | Meaningful increase |
| Ruamahanga @ Waihenga | No significant trend |
| Ruamahanga @ Wardells | No significant trend |
| Ruramahanga @ SH2 | Meaningful increase |
| Motueka @ Woodstock | Meaningful increase |
| Motueka @ Gorge | No significant trend |
| Wairau @ Dip Flat | No significant trend |
| Wairau @ Tuamarina | Meaningful increase |
| Buller @ Longford | Meaningful increase |
| Buller @ Te Kuha | Meaningful increase |
| Grey @ Dobson | Meaningful increase |
| Grey @ Waipuna | Meaningful increase |
| Haast @ Roaring Billy | No significant trend |
| Hurunui @ Mandamus | Meaningful increase |
| Hurunui @ SH1 Br. | Meaningful increase |
| Waimakariri @ Gorge | Meaningful increase |
| Waimakariri above old HW Br. | Meaningful increase |
| Opihi @ Waipopo | Meaningful increase |
| Opihi @ Rockwood | Meaningful increase |
| Opuha @ Skipton Br. | Meaningful increase |
| Waitaki @ Kurow | Meaningful increase |
| Hakatakamea above MH Br. | Meaningful increase |
| Waitaki @ SH1 Br. | Meaningful increase |
| Clutha @ Luggate Br. | Meaningful increase |
| Kawarau @ Chards | Meaningful increase |
| Shotover @ Bowens Peak | Meaningful increase |
| Clutha @ Millers Flat | Meaningful increase |
| Taieri @ Tiroiti | Meaningful increase |
| Sutton @ SH87 | No significant trend |
| Taieri @ Outram | Meaningful increase |
| Clutha @ Balclutha | Meaningful increase |
| Mataura @ Seaward Down | Meaningful increase |
| Mataura @ Parawa | Meaningful increase |
| Oreti @ Lumsden | Meaningful increase |
| Oreti @ Riverton HW Br. | Meaningful increase |
| Waiau @ Tuatapere | Meaningful increase |
| Monowai below Gates | Significant increase |
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