Ngunguru Sandspit Protection Society
Main Menu
All items
Key Resources
Articles by Topic
Other Coastlines
Human Interest
Photo Gallery
Contact / Donate / Join
Comment Page
Sandspit Prints
Secure Login Form

Lost Password?
No account yet? Register
Verse of The Day
“A ka mea a Meri, Ka whakanui toku wairua i te Ariki, E hari ana toku wairua ki te Atua, ki toku Kaiwhakaora; He nui hoki nga mahi a te Mea Kaha ki ahau; he tapu hoki tona ingoa.” (Luke 1:46-47, 49)

Powered by
Recent popular items
Tutukaka Coast promo
Home arrow Articles by Topic arrow Ecology arrow Marine Resources in Tai Tokerau
Marine Resources in Tai Tokerau PDF Print
User Rating: / 0
Articles - Ecology
Written by Brenda Hay & Coral Grant, AquaBio Consultants Ltd.   
Sunday, 16 December 2007

...The area of coastline encompassing Ngunguru and Horahora estuaries comprises a large and complex mosaic of wetland habitats – open sand beaches, a sandspit, tidal mud-flats and sand-flats, saltmarshes and mangroves, brackish and freshwater swamps with diverse sedge, rush, shrub, flax and cabbage tree communities. The dominant vegetation is mangrove forest. Whole area is continuous with three terrestrial forested habitats, including regenerating forest at Whareora. Part of the value of the wetland lies in the rare occurrence of unbroken zones from saline to fresh water communities, through to terrestrial communities. The absence of extensive open tidal flats reduces the opportunities for both variety and numbers of wading birds, but the high proportion of vegetated wetland, with long margins where open water meets vegetation, creates habitats for some other birds on a scale unknown elsewhere in Northland (Ogle, 1982). As mentioned earlier, it is considered a high value coastal and estuarine habitat (Ogle, 1982). The area is most notable for the presence of the rare bird species, banded rail, bittern, and fernbird (at Horahora), and also occasional NZ and banded dotterels, and kiwi. Brown teal and white heron have been reported infrequently at Horahora. Also present are variable oystercatchers, pukeko, shags (little and pied) gulls, white faced heron, ducks (mallard & grey) paradise shelduck, and upland game birds (pheasant and quail). NZ dotterels breed on Ngunguru sandspit and in Horahora estuary.

The habitat at Ngunguru is relatively unmodified, but there is increasing pressure from residential development and recreational use. The area of mangrove has been recorded as increasing (DoC, 1991). The estuary at Horahora, with its small mud-flats and large expanses of mangroves and saltmarsh, is still comparatively unmodified.

The pohutukawa in coastal areas at Ngunguru Bay were surveyed in 1988/89 as part of an assessment of the health of the species carried out by the Forest Institute for the Department of Conservation (Hosking et al. 1989). This survey indicated that possum damage was significantly impacting on the health of the crowns of the trees. In a recent re-survey, a plot in Ngunguru Bay still showed significant possum damage (Hosking, 2000).

Full story...

Add as favourites (90) | Quote this article on your site | Views: 7036

Be first to comment this article

Only registered users can write comments.
Please login or register.

Powered by AkoComment Tweaked Special Edition v.1.4.6
AkoComment © Copyright 2004 by Arthur Konze -
All right reserved

Last Updated ( Sunday, 16 December 2007 )
< Prev   Next >


© 2017 Ngunguru Sandspit Protection Society
Joomla! is Free Software released under the GNU/GPL License.