Tagged: erosion

Amazonian dirt roads are choking Brazil’s tropical streams - Guest Work

Guest Author Mar 07, 2018

Cecilia Gontijo Leal, Museu Paraense Emílio Goeldi, Belém This article was originally published on The Conversation. Read the original article. The first time I traveled to the Amazon, in 2010, I had no idea what to expect. A doctoral student from the far-off Brazilian city of Belo Horizonte, I imagined that my field work – studying … Read More

Testing adaptive governance approaches to address New Zealand’s ‘wicked’ environmental problems - Guest Work

Guest Author Oct 06, 2017

By Lisa Sharma-Wallace  Environmental problems today are complicated. Some might even call them ‘wicked’. They involve clashing public perceptions, moving targets, differing stakeholder aspirations, and long-term time-frames, often stretching over generations. They’re also multi-dimensional, including a number of different causes, impacts, parties, and objectives which shift over time. Where do we even begin to address problems like these? Non-linear … Read More

Erosional sediment in Coromandel streams - Guest Work

Guest Author Sep 22, 2017

Last week, Centre of Research Excellence Te Pūnaha Matatini hosted #WaiNZ, a national conversation providing New Zealanders with an opportunity to read blog posts and other media from key influencers talking about their relationships with water. With permission, Sciblogs is re-publishing some of the blog posts here, including Mary Sewell’s thoughts on eorsion and sediment impacts on waterways, shared below.  Opito Bay … Read More

Mangroves: ‘Bioshields’ of our coastlines - News

Erica Mather Jul 27, 2015

The importance of mangroves in estuaries and river deltas has been highlighted in a new study. Vulnerable parts of the coast are protected from erosion by the mesh-like roots of mangroves that trap soil, buffering the impact of waves and tidal currents. New Zealand and UK scientists utilised data on the New Zealand mangrove (mānawa) in a new … Read More

Landscapes shaped by water - Waiology

Waiology Oct 30, 2014

By Daniel Collins New Zealand is both a pluvial and fluvial country. A lot of water falls on, moves through, and runs off the landscape to the surrounding seas. At each step along the way water can play a role in shaping the landscape, whether by resisting or facilitating erosion or by providing environments where eroded sediment is deposited. Read More

Impacts of climate change on water quality - Waiology

Waiology Dec 16, 2013

By Daniel Collins Climate change goes beyond warmer weather and more extreme floods and droughts. Effects are expected to include changes to the water quality of our rivers and lakes as well. This has implications for the vulnerability and sensitivity of freshwater ecosystems, as well as water quality limit-setting and catchment nutrient management. These issues, and more, were discussed … Read More