Trees for Life is a South Australian based organisation. Their  “ReLeaf” and “Bushcarer" magazines are free to download from their website (under “Get Support”). The Summer 2020 ReLeaf has an article on buloke habitat restoration. Trees for Life also sell a couple bush care items: ready made “tongs of death” and swabber bottles (under "Shop”) 

https://treesforlife.org.au

To access the releaf magazine directly visit: treesforlife.org.au/resources
 
Field Naturalists Club of Victoria Facebook page – many interesting posts about plants and animals
 
Greening Australia offers courses and events such as “Greater Glider Spotting” in Victoria – Their “Habitat Conservation and Management Course” - 16 weeks of 3hr evening classes and 8 full Saturday field-trips, was recommended by Sarah Patterson
https://www.greeningaustralia.org.au/training-and-events/
 
Bowerbird: A website to share and discuss Australia’s Biodiversity
http://www.bowerbird.org.au
 
Atlas of Living Australia – collaborative national project for biodiversity data. Need to check records as anyone can post a sighting.
https://www.ala.org.au

Flora of Victoria  - a useful site for identifying unknown plant species
vicflora.rbg.vic.gov.au/

“Ten ways to improve the natural assets on a farm” published by the Fenner School at ANU.  Only about 30 pages but has a few ideas about how to improve biodiversity on farms, etc.   https://fennerschool.anu.edu.au/research/research-stories/ten-ways-towards-healthy-farms-healthy-farmers-and-healthy-profits