[OGD] A thought on color-blindness and orchids

2006-08-16 Thread Phil Anne Norton
This story reminds me of an Australian documentary I saw a few years ago. Some so called naturalist pointed out a very rare Australian eagle hovering overhead ... after he shot it he stretched out the wings on the ground to demonstrate its huge span. Wonder why they are so rare? Phil N in

[OGD] Colour blindness and perception

2006-08-16 Thread John Stanley
Over the years I have encountered some half dozen red-green colour-blind adult males while teaching geological map interpretation. Two of them (both of post middle-age) were completely unaware that they were colour-blind at all until they found difficulty in discriminating between very

Re: [OGD] Colour blindness and perception

2006-08-16 Thread Li'l Frog
I have a father, a brother, and a son who are red-green color blind. We didnt start looking for this until we got our first color TV many years ago. Dad was in charge of the new, expensive device, and turned the knobs on it until he got the color just right it was totally blue and pink.

[OGD] show in Davao [Phillipines]

2006-08-16 Thread viateur . boutot
Davao City... celebrates its yearly Kadayawan Festival... Minfed (Mindanao Federation of Orchid and Ornamental Plant Growers)... The best orchid in the show is the Grammatophyllum measuresianum. Article URL:

[OGD] saving orchids [Australia]

2006-08-16 Thread viateur . boutot
saving threatened species of orchids has been recognised by a ... national award. The threatened orchid recovery project, which involves more than 400 volunteers across the state [Victoria], has won in the Land and Biodiversity category at the recent Banksia Awards. The Banksias are... awards

[OGD] conservation in Manitoba [Canada]

2006-08-16 Thread viateur . boutot
Allison Krause is helping conserve Manitoba Tall Grass Prairie, one of the most endangered ecosystems in the country. ... In southern Manitoba, Krause has been surveying vegetation on valuable remnants of Tall Grass Prairie. Her work includes preserving such rare flowers as Small White Lady's