Connected 2011 Level 3 - Border Security
The focus in this issue of Connected is on the Nature of Science strand of the curriculum.
At times, Connected themes require the introduction of concepts that students at this curriculum level may not be able to fully understand. What matters at this stage is that students begin to develop understandings that they can grow over time.
Look inside this issue
A Helpful Immigrant
by Mike Tapp
This article investigates the use of bio-control agents – insects or other organisms that are imported to manage plant pests. The article explains why they can be safer than chemical-control agents. It then investigates the research and trials that have to take place before a bio-control agent is allowed into the country and the constant monitoring that is required to make sure that these new immigrants are doing the work they have been imported to do.
It Seemed Like a Good Idea at the Time
by Bronwen Wall
This article describes an environmental decision that had terrible consequences. In the late 1800s, ferrets, stoats, and weasels were introduced into New Zealand to get rid of rabbits. However, these mustelids caused unforeseen destruction. They didn’t eat only rabbits – they discovered that New Zealand’s native animals and birds were very easy prey.
Protecting the Border
by Paul Neveldsen
This article describes the systems and technologies that have been developed to prevent unwanted pests, diseases, and goods coming into New Zealand and to prevent precious taonga such as native species being smuggled out of the country.
What is Biosecurity
by Andrew and Anna Dickson
This article introduces the concept of biosecurity and explains how, as a group of isolated islands, New Zealand developed a unique range of ecosystems. The arrival of plants or animals from other countries could be disastrous for our environment. Therefore, our borders are constantly monitored by biosecurity agencies to protect our environment, agriculture, and our health.
Literacy Online home
