Ki uta ki tai: NIWA’s role in mountains-to-sea estuarine management

Ki uta ki tai: NIWA’s role in mountains-to-sea estuarine management

Researchers from Sustainable Seas and Our Land & Water National Science Challenges are involved in a two-year project called Ki uta ki tai: Estuaries, thresholds and values, which includes interwoven critical steps funded by MfE.

Removing barriers to ensure freshwater fish can complete their life cycle

Removing barriers to ensure freshwater fish can complete their life cycle

NIWA’s Freshwater Species Programme Leader Dr Paul Franklin said World Fish Migration Day, on May 21, is a good time to remind New Zealanders of the challenges migratory fish face, and also the research that is underway to provide solutions.

Giant Redfin: Conserving South Africa’s Native Fish

Giant Redfin: Conserving South Africa’s Native Fish

Giant Redfin: Conserving South Africa’s Native Fish.Giant redfin and other freshwater species in the Cape Region face significant challenges.And the litany of challenges they face will be familiar to freshwater conservationists everywhere: invasive species, pollution, water quantity and habitat degradation.

Got an Invasive Army of Crayfish Clones? Try Eating Them

Got an Invasive Army of Crayfish Clones? Try Eating Them

Lyko led the ambitious genome study that established the extraordinary fact that all marbled crayfish originate from a single foundational female.

New weapon in fight against invasive aquatic weeds

New weapon in fight against invasive aquatic weeds

Inside is a computer containing an artificial intelligence-based detector that has been trained to identify targeted invasive weed species and log their locations in real-time."The development of these detector modules will enable a rapid and cost-effective detection and mapping that can be used over large areas.".

Can Freshwater Reserves Protect Tropical Fish Diversity?

Can Freshwater Reserves Protect Tropical Fish Diversity?

A recent article published in the journal Nature shows the potential for freshwater reserves by looking at a network of grassroots protected areas established in the Salween River basin of Thailand.

Conserving India’s Overlooked Freshwater Ecosystems

Conserving India’s Overlooked Freshwater Ecosystems

India boasts of a rich and vast freshwater resource network (rivers, lakes, wetlands, and groundwater), which occupies about 4 percent of the country’s area and supports its 1 billion people (17 percent of the world’s population).

Putting Communities At the Center of Freshwater Conservation

Putting Communities At the Center of Freshwater Conservation

It was clear from our visit to the Tapajós communities that they must be at the center of any conservation program, as the river and the resources in it are intimately linked to their identity, economic well-being, and deep social and cultural values.

Scientists nurturing only plant of its kind

Scientists nurturing only plant of its kind

Mr Champion says that for the past five to six years NIWA has been working with the Lake Omapere Trustees to find a home for the quillwort in Northland.

Fallout from Australia’s Huge Wildfires Is Choking Rivers

Fallout from Australia’s Huge Wildfires Is Choking Rivers

Mannus Creek is one of many waterways in Australia that have been inundated with ash and debris following the devastating bush fires this spring and summer, killing fish and other aquatic life and fouling drinking water supplies.

Scientists study eels by moonlight

Scientists study eels by moonlight

Eel larvae face a long journey from their spawning grounds in unknown parts of the Western Pacific Ocean to the freshwater rivers and streams of New Zealand where they spend most of their lives.

Gulf Fisheries Are Under Siege—Now Comes Tropical Storm Barry

Gulf Fisheries Are Under Siege—Now Comes Tropical Storm Barry

A historic slow-moving flood of polluted Mississippi River water loaded with chemicals, pesticides, and human waste from 31 states and two Canadian provinces is draining straight into the marshes and bayous of the Gulf of Mexico —the nurseries of Arnesen’s fishing grounds—upsetting the delicate balance of salinity and destroying the fragile ecosystem in the process.

Come jump in a lake with NIWA

Come jump in a lake with NIWA

LakeSPI surveys have been carried out on 12 Rotorua Te Arawa lakes (Ōkāreka, Ōkaro, Ōkataina, Rerewhakaaitu, Rotoehu, Rotokākahi, Rotomā, Rotomāhana, Rotoiti, Rotorua, Tarawera, and Tikitapu) since 2005 and NIWA freshwater ecologist Tracey Burton says she has seen positive and negative changes.

Freshwater fish swim their all for science

Freshwater fish swim their all for science

NIWA freshwater fish scientists are trying to understand how long they can swim at given speeds – between rests - and how much variation there is between fish of the same species.

Scientific muscle meets freshwater mussels

Scientific muscle meets freshwater mussels

It is a breakthrough that NIWA freshwater scientist Dr Sue Clearwater – who has been leading research into kākahi for the last few years, says the discovery will help push forward restoration and conservation of these incredible animals.