The landing page for the Information Browser enables you to discover which data sources have data that match your geospatial and temporal interests. You can then drill through to more specific detail in each of those data sources.
Each source will provide detailed data on screen. For some sources you are able to download data. To do this you must be registered with NIWA and subscribed to the particular source. In some cases you will need to be approved for subscription.
To register, or to sign in and adjust your subscriptions, click here.
To see more detailed information about each data source return to the Home page and click the About menu item.
For more information about making use of the data and NIWA's use of Open Web Services (OWS) read this blog post.
The original websites for WQIS and FBIS have now been retired and data from both of these is available through EIB (Freshwater Chemistry and Freshwater Biodiversity). You will, however, have to register for a new NIWA user name and password and subscribe to the service you require. This one new registration will then provide access to all of NIWA's online services, dependent on subscription and approval.
Then click search and view the results from all our data sources.
Refine your search by clicking on one of the sources to open the source specific page.
The source specific page may give you more options for searching. For example for Freshwater Biodiversity:
The locations for results will be displayed on the map.
Click on an icon to view more details about the location and observations/measurements made there.
Scroll down the side bar to see how you can download the data. You may need to sign in.
Having made a search, a list of results will be displayed in a paginated list. Click on the page numbers to view more of the results. Click on a result to view the detail from the Metadata Catalogue. This will display more details about the dataset, the area covered, and may provide further links to further information and downloadable material.
For example, part of the display for BOI Deep Towed Imaging System (DTIS) video for the north-east coast of New Zealand:
Having made a search, icons for the matching stations are displayed on the map.
Each icon may represent one or more stations dependent on the map resolution. The key to the colours used:
Click on an icon to get a popup list of the stations represented. Click on a station name to open the station detail page.
On the station detail page, click on the link top left to view details about the station in NIWA's Station Information Management System.
On the EI Browser station detail page, the first panel has more detail about the station and its location.
If data is available from this station, a second panel provides visualisation of the data. Select the data points to display in the pull down list, and click Update plot to draw the plot. Each time series is displayed on a separate plot.
Hover your mouse over the plot to see the detail of each point.
Drag the vertical bars at either end of the smaller plot to reduce the time scale on the main plot and view more detail.
Scroll down the side bar and, for some sources, you will find a link to sign in. For Freshwater Biodiversity:
When you click on Sign in you will see:
If you have not yet registered for a NIWA user account click Register.
Otherwise you can sign in. You will then return to the page you were on.
Click on the link Forgotten your password to be sent an email to update your password.
Having made a search, click on a location icon on the map. A pop opens with brief information about the species found at the location. Click on the text and a page opens to display the details of the sampling event.
For subscribed users: Having signed in, if your search returned less than 15000 sampling events, you can download a csv of data. See the bottom left panel for your options.
The FBIS samples report and the Marine biodiversity report provide a subset of the data available for each sampling event, with one row per sample.
The fish assistant report provides a report which can be loaded into the Fish Assistant desktop software to create a map of sampling events. (The fish assistant software was available to data providers for the National Freshwater Fish Database)
Having made a search, click on a station icon on the map. A pop up opens with brief information about the station.
For subscribed users: Having signed in, click on a station icon to view the station name, and click on the name to open the station detail page.
Click on the links on the top left, or scroll down to view details of the station and the associated data. You can download the full set of data from this station by clicking on the link Download as CSV.
On this page, the first panel has more detail about the station and its location.
The second panel provides visualisation of the data. Select the data points to display in the pull down list, and click Update plot to refresh the plot.
A gap in the plotted line indicates missing data or data recorded as greater than or less than some value. These are missing from the plots and the on screen table, but are included in the downloaded csv.
Drag the vertical bars at either end of the smaller plot to reduce the time scale on the main plot.
The third panel displays a table of the data. Again, select the data points to display in the pull down list, and click Update table to refresh the table.
Zooming the map in or out will remove the display of results. Simply click the search button to re display the results.
When you download a report for Freshwater or Marine Biodiversity you may get a file containing no results, despite the page showing a number of results. This is a known problem which should be fixed in the future. You can work round this by either selecting a region or by drawing a rectangle on the map and repeating your search.
If you want to report a problem or get further help please send an email to email@example.com