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Listed under:  Science  >  Life  >  Ecosystems  >  Food webs
Video

Foreign Correspondent: Siberian tigers

Imagine a world where the only place Siberian tigers lived was in captivity. Watch this clip to learn more about the natural habitat of Siberian tigers and the things that threaten their survival in the wild. Chinese scientists are breeding this endangered species in captivity and zoologist, Liu Dan, explains his hope that ...

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Catalyst: Chemical pollutants toxic to whales

Explore how chemical pollutants affect the Antarctic food web. A scientist shows that baleen whales are consuming Antarctic krill contaminated by accumulated residues of persistent organic pollutants (POPs) from pesticides and industrial chemicals. Find out why these pollutants are concentrated at the Earth's polar regions.

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Four Corners: Ecological effects of bushfires

Did you know that Australia is the most flammable continent on Earth? Watch this clip to discover how bushfires impact natural ecosystems, and how the increasing global threat of bushfires may affect Australia. Australian scientists explain the ecological consequences of fire and a US expert describes his concerns for the future.

Online

Animal Health: the science of healthy animals

This study guide considers the science behind breeding, genetics, health and animal welfare in the cattle and sheep industries - keeping animals free of disease and parasites, improving biodiversity and protecting against feral animals. A range of articles and student activities explores how farmers and scientists are working ...

Online

Water: Our most precious resource

This study guide explores how Australian cattle and sheep farmers manage sustainable and efficient water use, including maintenance of healthy soils, moisture preservation, erosion and viable grazing systems. A range of articles and student activities explore the water cycle and ways in which farmers are using water saving ...

Online

Biosecurity

This is a unit of work about the biosecurity of Australia’s agriculture. The unit focuses on how introduced species can affect the balance of ecosystems. The major activities in this unit focus on the concept of interdependence in ecosystems; the importance of biosecurity and control of outbreaks. A simple experiment models ...

Online

Exploring the production and marketing of seafood

This is a teacher resource containing a series of inquiry teaching sequences relating to seafood production and marketing in Australia. It contains material to assist planning, implementing and assessing a research task about the technologies and methods used in the fishing and aquaculture industries to catch and farm seafood, ...

Interactive

Biodiversity – sustainability action process (Years 7–10)

This biodiversity learning resource guides students through an extended school based investigation. Students develop and implement a chosen sustainability action and then evaluate and reflect on their success and their learning.

Interactive

Studying Habitats

Students use this resource consisting of four slides with diagrams, written explanation and voice-over to understand the type of observations and measurements that need to be made when studying an ecosystem. There is a two-question quiz and a summary slide.

Video

Too cold for cane toads

A new study reported in this video segment has looked at how temperatures impact cane toad movement and has aided in the development of a model that indicates that their geographical spread is limited. An excellent example of the use of mathematical modelling in scientific research and how scientists have tried to address ...

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Ngan'gi seasons calendar

This is a seasonal calendar developed by the Ngan’gi people of the Northern Territory in collaboboration with CSIRO. The resource contains an introduction, a richly illustrated calendar and related links. The introduction includes information about the people’s wish to document traditional knowledge of their Daly River ...

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Aerial Orang Utans

This 11 minute video segment form Catalyst shows that although the orang-utans of Borneo are threatened with extinction, we don't know exactly how many are left or where they are. The use of helicopters to locate their nests and estimate population size has helped to challenge our thinking about the requirements of this ...

Interactive

Aim to Sustain

Students identify and explore ways in which human activity can threaten biodiversity and the health of our planet. Students are encouraged to take positive action to promote sustainability. The four resources: Get the message, Help a habitat, Alien invaders and A world of difference include videos, SMART notebooks, worksheets ...

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Kooaaa! It's a kookaburra

This ABC In Depth feature article describes how kookaburra chicks fight for survival in the family nest in springtime.

Interactive

Science Talk 2007: Martina Doblin

An interview and lab tour with Dr Martina Doblin, a phytoplankton ecologist at UTS. Martina talks to students and their teacher from Concord High School about her work studying microscopic organisms such as the toxic algae that make up harmful algal blooms.

Interactive

Sites2See: What is climate change?

A page to address the question What is climate change? from the definition, to the Intergovernmental Panel on Climate Change (IPCC) as the foremost authority, and selected links covering aspects of that question with games, graphics, activities, information sites, resource packs and video interviews, for teachers and students. ...

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Seahorses

This six and a half minute video segment from Catalyst shows one of the most beautiful and bizarre creatures under the sea, the seahorse. Their highly unusual reproduction has not been sufficient to overcome the impacts of habitat destruction and human predation.

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Artificial shark birth

A five and a half minute video segment from Catalyst that explains why Grey Nurse Sharks are in danger, especially on Australia's east coast where only a few hundred individuals are thought to exist. However, in a world first, researchers at the NSW Department of Primary Industries have built an artificial uterus, which ...

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Carbon country update

This five and a half minute video segment from Catalyst discusses the potential to manage controlled burning in Arnhem that reduces frequency of wildfires to provide other benefits. The potential to turn this into economic benefits from carbon trading is explored and the science investigations that will first be essential.

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Cloud seeding

This nine and a half minute video segment from Catalyst describes how researchers from Monash University have hard evidence that cloud seeding can produce good amounts of extra rainfall. Data collected over a long period of time has give hope to scientists and environmentalists who are trying to reduce the impacts of droughts ...