Environment & Sustainability Archives - Page 15 of 33

The trunks of the same forest have a diameter ranging from 200mm to 400mm depending on the species (Image: Patrick Regnault)

Environment

Miyawaki afforestation – an appraisal

09/04/2023 Patrick Regnault 536 Views 0 Comments #Tree, Botanic gardens, Garden Design, gardening, horticultural, horticultural industry, landscape, landscape design, Ornamental trees, Shade Trees

By Patrick Regnault

On social media, radio and television programs, the Miyawaki afforestation method is lauded as a solution to the environmental crisis and land degradation. Akira Miyawaki was a botanist and expert in plant ecology who developed a method of rapid reafforestation using native endemic species.… Continue reading

Gumtree scale ladybird feeding on scale (Supplied by Denis Crawford of Graphic Science)

Environment & Sustainability Pest and Diseases

Ants abound, but is that bad?

05/03/2023 Denis Crawford 568 Views 0 Comments

By Denis Crawford

Many ants are beneficial, but some ant species can be pests in some situations. When is that?

This Pest Files is inspired by some recent encounters I had with ants. In late January 2023 I noticed several species of ants climbing the trunk of a young roadside gumtree (Eucalyptus obliqua).… Continue reading