lake ngaroto past and present n.
Skip this Video
Loading SlideShow in 5 Seconds..
Lake Ngaroto Past and Present PowerPoint Presentation
Download Presentation
Lake Ngaroto Past and Present

Loading in 2 Seconds...

play fullscreen
1 / 18

Lake Ngaroto Past and Present - PowerPoint PPT Presentation

  • Uploaded on

Lake Ngaroto Past and Present. Where. History. Cadastral Map dated late 1800’s early 1900’s. Ngaroto in the 1960’s. Lake Outlet. Lake Ngaroto Water Level Monitoring from 2003 - 2010. Lake Ngaroto 1980s. Lake Ngaroto at 2007. Lake Ngaroto: Water Quality Monitoring. Parameters Measured

I am the owner, or an agent authorized to act on behalf of the owner, of the copyrighted work described.
Download Presentation

PowerPoint Slideshow about 'Lake Ngaroto Past and Present' - rozene

An Image/Link below is provided (as is) to download presentation

Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.

- - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - -
Presentation Transcript
lake ngaroto water quality monitoring
Lake Ngaroto: Water Quality Monitoring

Parameters Measured

  • Water temperature
  • Dissolved Oxygen
  • Algae in the water column
  • Rainfall
lake ngaroto council community goals
Lake Ngaroto: Council / Community Goals
  • Retain and enhance the recreational opportunities
    • Access to and around the lake
    • Maintain or increase lake depth
    • Improve water quality
  • Retain and restore indigenous biodiversity
    • Control mammalian pests and introduced weeds
    • Adopt a more natural water level management regime that will improve marginal habitats
  • Preserving and promoting the history associated with the Lake and it catchment
    • Protecting the on site features and artefacts
    • Providing quality Interpretation
actions taken and proposed

Actions Taken and Proposed

Repair the circuit track and board walk / bridges

Control willows to encourage more favourable indigenous species to colonise the margins (treatment started within southern sector)

Replace collapsing manuka stand with more suitable species

Ramp up the control of aggressive weeds

Complete the application to renew the resource consent to operate the weir on the lake outlet

actions proposed
Actions Proposed
  • Control pest fish – koi, bullhead catfish, rudd and goldfish
  • Control mammalian pests – possums, cats, ferrets, stoats and rats
  • Acquire those areas of private land that are inundated when lake levels rise – approx. 22ha
  • Re-route inflows from Ngaroto-iti to lake outlet
  • Interpret the swamp Pa and other significant features around the lake
  • Improve the Domain – infill / consolidate the low lying area; retain the lake edge in front of the Domain to prevent erosion ; reinstate the boat ramp by the rowing sheds
  • Reduce inflow of nutrients to the lake by assisting landowners to change / modify farm management practises