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A decline in population numbers for the evasive platypus

01 Jan 2011 | Filed under wildlife ecology

Fifteen years of platypus surveys has indicated an overall decline in platypus numbers in many locations throughout greater Melbourne. cesar has conducted intensive biannual platypus surveys and collated catch rates from other historical surveys dating back to 1995.

Insecticide resistance in green peach aphids across southern Australia

| Filed under sustainable agriculture

Widespread infestations of green peach aphids (GPA) (Myzus persicae) during autumn and winter have contributed to an outbreak of beet western yellow virus (BWYV) in southern Australia. Canola crops across the lower and mid north regions of South Australia, western Victoria and some parts of NSW have been severely affected...