Rivers of carbon are everywhere, and we have brought you a story from the Top End that is featured in our new RipRap Magazine on ‘Australia’s Northern Rivers and Estuaries’, we hope you enjoy it…

“It’s just like, you’re learning my way and I’m learning your way.”

Peter Liddy is a traditional owner on Lama Lama country in far north Queensland. He has a long spiritual connection with his country and brings a wealth of knowledge to his role as a ranger. His work allows him to follow in the footsteps of his grandfather, who is buried on the land.

Lama Lama country

“I get visits from him now and then, he sort of encouraged me to stay down here, you know, be part of the country like he is.  They were, sort of, really strong in their way. You know, they didn’t know about pest plants and that, but now we know about it we start doing something about it, looking after the land…” he said.


Northern Australia is home to enormously diverse and plentiful wetlands, many of which have thankfully escaped the impacts of large-scale developments. These freshwater habitats in Cape York are of high cultural significance to the Lama Lama people; providing a connection to country.

A healthy wetland on Lama Lama country

“A lot of our lagoons around here are sacred sites. All of our bush tucker around them place too, even medicines we’ve got around lagoons.”  Mr Liddy said.

The ecological health of wetlands is, however, being put at risk by threats including feral mammals, weeds, grazing and historical small-scale mining activities. Managing these threats is a high priority for the Lama Lama rangers.

Feral pigs are a major concern on Lama Lama country


The growing workforce of Indigenous land and sea managers represents an unprecedented opportunity to better manage and monitor biodiversity across northern Australia. While rangers across the north undertake critical on-ground management actions such as feral animal control, often there is little or no baseline data against which they can measure their success.

Valuable date is now being generated through ongoing freshwater monitoring. For over three years, the Yintjingga Aboriginal Corporation’s Lama Lama Rangers have been working together with researchers and other experts to develop new tools to keep track of, and better manage wetland health.

This has been an opportunity not only for the rangers to gain valuable expertise, but for the researchers to learn about freshwater places from local people, who have relied on these sites for food, clean drinking water, and spiritual fulfilment for thousands of years.


The rangers have partnered with the North Australian Indigenous Land and Sea Management Alliance Limited (NAILSMA), local NRM group South Cape York Catchments, and experts from Griffith University, with funding under the Australian Government’s National Environmental Research Program, to better meet their wetland management needs, primarily through an improved capacity to monitor wetland condition.

The result has been the development of a rapid assessment technique to assess the condition of their wetlands, which is supported by a customised ‘I-Tracker’ application created using world renowned CyberTracker™ software.

Rangers Leon Liddy, Peter Liddy and Davina Lakefield take pride in managing their traditional country.

Researchers work with Rangers John Graham and Bryan Kulka to monitor wetland health.

Short for Indigenous Tracker, the I-Tracker program is an initiative of NAILSMA that was developed in response to requests from Indigenous land and sea managers for culturally appropriate and scientifically robust tools to record, analyse and map data.

NAILSMA Executive Chair Peter Yu says too often in the past, data was collected about Indigenous people and their land, but remained inaccessible to them.

“The I-Tracker program is a commitment to ensuring that knowledge and data remain in Indigenous hands and can be used to address their priorities,” he said.

The software is coupled with field-tough hardware, ideal for use in remote areas.

“These tools improve the way people can collect and manage both natural and cultural information. Looking ahead, it will allow rangers to continue to monitor their wetlands, without scientists or experts coming out to help them,” Mr Yu said.


Feral pigs are especially problematic to the health of wetlands on Lama Lama country. They dig up soil throughout the wetlands in the hunt for food and damage large areas in the process. Wetlands that used to hold water most of the year were drying up much more quickly due to substrate disturbance. Wildfires, grazing and water extraction for road maintenance were also impacting on some areas.

To combat these impacts, the rangers have been fencing off some wetlands to pigs and other feral animals, and have been monitoring the changes since. Mr Liddy says the results have been encouraging.

“When we first did our assessment, we was doing it in the middle of the lagoon, it was bone dry,” he said.

“It’s real good now, there’s water holding every year.”


Long term results from this project will help shape and inform local freshwater management policy and allow for more informed management of these resources.  Through this collaborative work, the rangers have become more skilled in scientific monitoring and data management. Ongoing monitoring will generate baseline data which can then be used to detect changes resulting from future management actions such as feral animal control.

Mr Yu says the Lama Lama case study is a fine example of western science and traditional knowledge systems working hand in hand to achieve sustainable conservation and management outcomes across northern Australia.

“By working together, we can build on our contributions to a resilient and thriving future that benefits the entire community.”