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Celebrating our achievements
19 May 2022
During 2021 Angela Brandt was seconded to work with the Parliamentary Commissioner for the Environment on a major new report: Space invaders – A review of how we manage weeds that threaten native ecosystems. The report, which sets out whether Aotearoa New Zealand is doing the best job it can to mana...
Newsletter
Pūtaiao
Celebrating our achievements
From collect to connect – rebalancing our collections and databases
19 May 2022
Manaaki Whenua is the custodian of a number of Nationally Significant Collections and Databases (NSCDs) on behalf of everyone in Aotearoa New Zealand.
Newsletter
Pūtaiao
Reducing nitrogen losses from dairy farms on stony soils
8 March 2022
In the past two decades, much dryland farming has been converted to irrigated dairy farming in Aotearoa New Zealand, notably in eastern areas of Te Wai Pounamu (the South Island). Here, soils are largely shallow, free-draining, and stony, and dairy conversions have contributed to concerns about incr...
Newsletter
Pūtaiao
Land
Managing lucerne to fix soil N losses
8 March 2022
Lucerne is a widely used grazing fodder crop, and like other legumes, is able to fix nitrogen (N) in the soil. Well-managed lucerne is highly productive and the plant also has deep roots, which allow water extraction from well below 2 m depth and extract N from the soil.
Newsletter
Pūtaiao
Improved soil information for Aotearoa
8 March 2022
The Soils Portal, Pātaka Oneone, is Manaaki Whenua’s website for comprehensive infomation about New Zealand’s soil resources. It has been running for 15 years, and currently attracts some 40,000 visitors per year.
Newsletter
Pūtaiao
How intensified irrigation affects soil physical properties – a pilot study
8 March 2022
New Zealand agriculture has seen rapid land-use change in recent decades, with a decrease in sheep numbers and corresponding rise in dairy cow numbers. This has been matched in the Canterbury region by an expansion in irrigated areas.
Newsletter
Pūtaiao
Soil
Crowding out: why climate change action depends on more than just doing your bit
8 March 2022
Social science research shows that when people decide to “do their bit” for climate change (driving electric cars, recycling, installing solar panels), they may become less inclined to support government policy to combat climate change. This phenomenon, known as ‘crowding out’, can occur because an ...
Newsletter
Pūtaiao
Software helps facilitate digital soil mapping
8 March 2022
Manaaki Whenua researcher Dr Pierre Roudier is enjoying being both author and contributor on two different software packages in his work on digital soil mapping.
Newsletter
Pūtaiao
Trees of knowledge: our data at the root of global ecological science
8 March 2022
Researchers at Manaaki Whenua are currently participating in large collaborative research projects starting to answer really big, global-scale questions that tap into data from New Zealand’s Nationally Significant Databases and Collections – the biological and geological memory banks of the country,...
Newsletter
Pūtaiao
Ecology
Swapping time for space to track the impact of climate change on soil microbes
8 March 2022
To test the effects of climate change on species at any scale is difficult. Scientists can’t manufacture realistic global warming in a test tube or in a lab over a few hours, or a few days. As a result, a big challenge for climate change researchers has always been how to best record potential shift...
Newsletter
Pūtaiao
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