Published on 24 September 2021

Analysing iNaturalist data from the no-take marine reserves of the Hauraki Gulf

Mediterranean Fanworm

Using the iNaturalist-Mātaki Taiao API I was able to obtain a dataset of verified and geo-referenced observations from the different no-take marine reserves of the Hauraki Gulf Marine Park.

Published on 15 September 2021

PFWRA site goes live


A website I have been working on the past few months, Pest Free Waitākere Ranges Alliance, went live recently.

Published on 14 September 2021

Using LINZ Basemaps tiles with Leaflet.js

Leaflet.js in action

The excellent Leaflet.js is one of my preferred tools when building interactive online maps. And so is the aerial Basemaps service from Land Information New Zealand. Here I share a couple of tricks I usually apply each time I combine the two.

Published on 26 August 2021

Kauri dieback: Putting the "70% of infected trees are within 50m of a walking track" statement to test

Kauri tree

Since Auckland Council released the Kauri Dieback Report in 2017, some media outlets (and other platforms/sites) have made use of the following (or similar) statement: "70% of infected trees are within 50m of a walking track". Four years later I have a look at council data from the Waitākere Ranges which tells a different story.

Published on 30 July 2021

Karepiro Bay shorebird count

Dacre Point seen from the northern end of Okura Walkway

Taking advantage of the perfect tidal conditions, this morning I counted the roosting shorebirds found between the Weiti river entrance and Dacre Point.

Published on 22 April 2021

Presenting at the Auckland NZ dotterel forum 2021

AKL NZ dotterel forum

After last year's cancellation due to COVID-19, the forum was back this year and I had the pleasure to give a talk.