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ARTICLE

Marine food webs

Feeding relationships are often shown as simple food chains – in reality, these relationships are much more complex, and the term ‘food web’ more accurately shows the links between producers ...

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ARTICLE

Human impacts on marine environments

Throughout human existence we have relied on the oceans – for food, as a waste dump, for recreation, for economic opportunities and so on. However, it’s not only our activities in the marine ...

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ARTICLE

Adaptations of marine organisms

Adaptation is an evolutionary process whereby an organism becomes increasingly well suited to living in a particular habitat. It is not a quick process! Natural selection over many generations ...

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ARTICLE

Human impact on rivers

Human beings have an impact on river ecosystems. The relationship living organisms have with each other and with their environment is extremely complex. Impacts on a species or a non-living ...

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ARTICLE

River ecosystems

The ecology of the river refers to the relationships that living organisms have with each other and with their environment – the ecosystem. An ecosystem is the sum of interactions between plants ...

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ARTICLE

Classifying marine organisms

Classification is an important tool used by scientists to show how organisms are related to each other and to group them by their characteristics, but this can be difficult for some marine ...

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ACTIVITY

Ocean acidification and eggshells

In this activity, students observe how chicken eggs can be used to simulate the potential effects of increasing ocean acidity on marine animals with calcium carbonate shells or skeletons, for ...

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ARTICLE

Longfin eels

The New Zealand longfin eel (Anguilla dieffenbachii) is New Zealand’s only endemic freshwater eel. Our shortfin eel (Anguilla australis) is also found in Australia and some Pacific Islands. We ...

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ARTICLE

Marine habitats

A habitat is the area where an organism or group of organisms live and breed. One habitat will be distinct from another due to its particular environmental conditions. However, habitats are not ...

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ARTICLE

New Zealand’s National Science Challenges

As New Zealanders looking to the future, we are faced with many opportunities – and challenges. These include improving the health of all our people, advancing our economic growth, protecting our ...

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ARTICLE

Human impacts on the Waikato River

Human impact has affected the ecology and biodiversity of the Waikato River. Scientists recognise the three key areas of impact that have affected the distribution of native species in the lower ...

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ARTICLE

Rena wrecked on reef: oil clean-up on-going

On 5 October 2011, Maritime New Zealand was called to respond to an ‘incident’ in the early hours of the morning. The 236 m cargo vessel Rena had struck the Astrolabe Reef about 12 nautical miles ...

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ARTICLE

Investigating life in the sea – introduction

New Zealand is surrounded by the sea, and scientists estimate that as much as 80% of our known species are found in the seas around New Zealand. This marine environment not only provides a ...

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ARTICLE

History of the Waikato River

This timeline gives key dates relating to the Waikato River. This timeline was co-authored with Jonathan Kilgour, Research and Projects Manager, Waikato-Tainui College for Research and ...

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ARTICLE

Whitebait

Whitebait is a term used to collectively describe the juvenile form of a number of small native fish species that are edible. They are usually 25–50 mm long and often travel together in schools ...

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ARTICLE

An introduced species – koi carp

Koi carp (Cyprinus carpio Linnaeus, 1758) are a brightly coloured fish native to Asia and Europe. They are an ornamental variant of common carp (Cyprinus carpio carpio) and were developed by ...

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TEACHER PLD

Living World – The rocky shore

Here are links to Science Learning Hub resources for primary teachers related to the rocky shore in the Living World strand of the New Zealand Curriculum. The rocky shore is a popular topic in ...

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