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New Zealand's Great White Sharks

Ballance, Alison

2017
Great white sharks are one of the world’s most impressive and familiar predators – but until recently we knew surprisingly little about them. This book changes all that, opening a window into the amazing world of New Zealand’s great whites. Join Kiwi shark scientists Malcolm Francis and Clinton Duffy as they track great white sharks from the cool waters of southern New Zealand to the warm waters of the Great Barrier Reef and the tropical Pacific. Discover how electronic tags have revolutionised the study of great whites, revealing that these mighty ocean predators are international travellers that dive to depths of more than a kilometre as they journey to and from shark hotspots at Stewart Island and the Chatham Islands. Visit Australia’s shark nurseries, meet the Stewart Island shark gang and join the teenage great white sharks, Nicholas Cage and Pip, on their travels. Award-winning natural history writer and broadcaster Alison Balance has been following the New Zealand great white shark project for the last decade. She takes readers out on a research boat to experience first-hand the thrill of encountering and tagging a great white shark, follows the excitement – and frustration – of tracking their movements around the southwest Pacific, and uses science to paint a portrait of great white sharks as you’ve never understood them before. Find out what pieces of the great white shark puzzle have been solved, and what questions remain unanswered, in a science adventure book for young adults and anyone with an interest in sharks and the sea.
Potential economic damage from introduction of Brown Tree Snakes, Boiga Irregularis (Reptilia: Colubridae), to the Islands of Hawaii
BRB

Gebhardt, Karen

,

Kirkpatrick, Katy N.

,

Shwiff, Stephanie A.

,

Shwiff, Steven S.

2010
The Brown Tree Snake (Boiga irregularis) has caused ecological and economic damage to Guam, and the snake has the potential to colonize other islands in the Paci c Ocean. This study quanti es the potential economic damage if the snake were translocated, established in the state of Hawai‘i, and causing damage at levels similar to those on Guam. Damages modeled included costs of medical treatments due to snakebites, snake-caused power outages, and decreased tourism resulting from effects of the snake. Damage caused by presence of the Brown Tree Snake on Guam was used as a guide to estimate potential economic damage to Hawai‘i from both medical- and power outage–related damage. To predict tourism impact, a survey was administered to Hawaiian tourists that identi ed tourist responses to potential effects of the Brown Tree Snake. These results were then used in an input-output model to predict damage to the state economy. Summing these damages resulted in an estimated total potential annual damage to Hawai‘i of between $593 million and $2.14 billion. This economic analysis provides a range of potential damages that policy makers can use in evaluation of future prevention and control programs.