Tagged: fishing

Radar-sensing albatrosses could become ‘patrollers of the Southern Ocean’ - News

John Kerr Jun 21, 2017

New technology which tracks how much time seabirds spend around fishing vessels could be recruited into the fight against illegal fishing in the Southern Ocean. The use of GPS trackers to chart the travels of wildlife is not exactly new, but developments in animal tracking now allow researchers to not only see where animals are, but also who else might … Read More

In search of salmon - Field Work

Guest Work Dec 26, 2016

Phil Jellyman is jet boating up the Waimakariri River in Canterbury – not because it’s a fun thing to do but in search of salmon. The NIWA freshwater fish ecologist is planning to implant acoustic tags on the fish to find out whether irrigation schemes are affecting their migration to spawning grounds up river. Along the river he will install … Read More

Why coral reefs wouldn’t be the same without big fish (and their pee) - Up and Atom

Kimberley Collins Aug 18, 2016

Scientists have known for decades that fish urine is important for coral reefs. Now, a new study has found urine excreted by large fish is critical to the survival and growth of these fragile ecosystems.  Like most living things, coral reefs need nutrients to grow. In coral reefs, fish provide these, holding the nutrients in their tissue and excreting them through their urine … Read More

The race to fish: how fishing subsidies are emptying our oceans - Guest Work

Guest Work Oct 19, 2015

Rashid Sumaila, University of British Columbia Fish numbers are rapidly dwindling globally, and fishery subsidies are one of the key drivers behind this decline. In 2009, these subsidies totalled about US$35 billion, creating incentives for fishers around the world to increase their catch. But this short-term “race to fish” is jeopardising the long-term environmental, social, and economic … Read More

Water quality – What about the fish and the anglers? - Waiology

Waiology Oct 31, 2013

By Neil Deans New Zealand is blessed with an abundance and multitude of freshwaters which provide the habitat for an equally diverse array of species, including both native and introduced fish and wildlife. Some of these have intrinsic value; others are also valued because they provide food or recreational pursuit, or are indicators of a healthy environment. (Credit: … Read More

New Zealand kelp forests under threat as total allowable catch limits announced - Science Life

Rebecca McLeod Sep 24, 2010

I am still reeling from an announcement made yesterday by the Minster of Fisheries and Aquaculture Phil Heatley regarding the setting of the total allowable “catch” for giant kelp (Macrocystis pyrifera). I thought I might try and calm down a little before I wrote this post, but the 20 or so emails that greeted me this morning from marine ecologists … Read More