Lake Waitaki
Current Lake SPI Condition
High
Maximum Depth
135.0m
Size
5.67km²
Lake Type
Dam
FENZ#
12307
Results Overview March 2018
Survey Date Status LakeSPI % Native Condition % Invasive Impact %
March 2018 High 61.3% 66.7% 40.7%
April 2015 High 56.0% 62.2% 44.4%
December 2012 High 53.3% 57.8% 49.4%
March 2018 - Condition High
66.7% 40.7% 61.3% LakeSPI Index Native Index Invasive Index

Native Submerged Plants Present

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
16.50 14.10 7.00

Survey Notes

April 2015 - Condition High
62.2% 44.4% 56.0% LakeSPI Index Native Index Invasive Index

Native Submerged Plants Present

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
15.20 14.90 7.00

Survey Notes

December 2012 - Condition High
57.8% 49.4% 53.3% LakeSPI Index Native Index Invasive Index

Native Submerged Plants Present

Invasive Submerged Plants Present

Submerged Plant Depths

Maximum Depth (m) Submerged Aquatic Plants
Native Charophyte Meadows Invasive
15.00 10.30 5.60

Survey Notes

This assessment was carried out with funding from Environment Canterbury - www.ecan.govt.nz