Tagged: native species

Which scientists have got it right about introduced wildlife in New Zealand? - Guest Work

Guest Work Jun 28, 2016

By Jamie Steer and Rowan Taylor Scientists tend to shape our beliefs about wildlife in New Zealand, and particularly how we think of introduced species. But what are we to think when scientists disagree? Conservation biologists, for example, tell us that introduced wildlife are invasive environmental and economic pests while fisheries and waterfowl biologists tell us that they are valued … Read More

Protecting New Zealand’s natural treasures - Mātau Taiao

Laura Goodall Feb 27, 2016

Tangata Whenua — People of the Land — is the name that Māori call themselves as indigenous New Zealanders, and likely signifies the deep roots they have to this green and blue place of jagged peaks and valleys.  The land sustains us. It carries paths to the future as well as ties to the past: whatungarongaro te tangata, toitū te … Read More

Food webs: Who eats who, and what does that tell us? - Waiology

Waiology Dec 02, 2014

By Elizabeth Graham Food webs are maps of “who eats who” within an ecosystem (Figure 1a). Each node, or point, in the web represents a species or group of organisms; nodes are connected by a link if there is a known feeding relationship between the two groups. Though they are built on simple predator-prey relationships, food webs integrate complex information … Read More

Lamprey – Living fossils in our midst - Waiology

Waiology Nov 20, 2014

By Cindy Baker Lamprey and hagfish (known as cyclostomes or agnathans) are the only living jawless vertebrates. Over 360 million years old, lampreys swam past herds of drinking dinosaurs, and have survived at least four mass extinctions. The brain of the lamprey is believed to be the closest example of our primal vertebrate ancestors, and lampreys provide important insight into … Read More

New Zealand’s native freshwater fish are becoming increasingly threatened - Waiology

Waiology Jun 06, 2014

By Jane Goodman New Zealand’s native freshwater fish are becoming increasingly threatened The conservation status of New Zealand freshwater fish was assessed in June 2013 using the New Zealand Threat Classification System. The threat ranking lists are often misconstrued as being ‘owned’ by the Department of Conservation. However, although the listing exercise for all New Zealand taxa is … Read More

The colourful redfin bully - Waiology

Waiology Jan 06, 2014

By Amber McEwan As the temperatures gradually get warmer, we aren’t the only ones thinking about hopping into our local river. A small, yet spectacularly attractive little native fish called the redfin bully uses this time of year to make the move from the sea to fresh water. The male redfin bully is one of our most brightly … Read More

Conservation and management of New Zealand whitebait species - Waiology

Waiology Aug 29, 2013

By Jane Goodman A bucketful of Giant kokopu (Photo: Emily Funnell).New Zealand’s whitebait fishery consists of the young of five migratory galaxiid species – inanga (Galaxias maculatus), koaro (Galaxias brevipinnis), banded kokopu (Galaxias fasciatus), giant kokopu (Galaxias argenteus) and shortjaw kokopu (Galaxias postvectis). Smelt (Retropinna retropinna) are also present in catches from some rivers along with the young … Read More

  • 1
  • 2