Tag Archives: environment

South Africa: Low Levels of Genetic Diversity Are Putting Great White Sharks At Risk

… easier it is for a species to survive diseases or unexpected changes in the environment. Among genetically different individuals there will always be those able to adapt and contribute to the next generation. A different scenario emerges when all the individuals share the same genetic information since depression by inbreeding and the loss of ability to adjust to environmental changes can quickly lead a species to extinction. To continue reading this article, please click on the link below: …

Big animals’ extinction forever alters environment, study shows

… permanently change the dynamics. You can’t go back.” The study, which was released Monday and is to be published in the journal Proceedings of the National Academy of Sciences, looked at extinctions in North and South America since humans arrived about 15,000 years ago. To continue reading this article, please click on the link below: Source: Big animals’ extinction forever alters environment, study shows – SFGate …

A 21st-century government must care for our nature and our future

… Australia has made something approaching this pledge before. In 1992 the Keating government signed the Convention on Biological Diversity. In doing so, it made a promise (later enshrined in national legislation), that: … the present generation should ensure the health, diversity and productivity of the environment is maintained or enhanced for the benefit of future generations. It is a promise that was not kept by earlier generations of Australians who, through lack of understanding or …

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