David Gadsden
@sterlingearl.bsky.social
Applied geographer with over 30 years of experience designing and implementing Geographic Information Systems (GIS). Global conservation executive, advisor, geospatial science communicator, GIS program architect and manager.
Trying to get my thoughts together on losing Jane but if there’s anything I know…
October 6, 2025 at 5:30 AM
Trying to get my thoughts together on losing Jane but if there’s anything I know…
Silver Falls, Mt. Rainier National Park.
July 30, 2025 at 11:33 PM
Silver Falls, Mt. Rainier National Park.
Reposted by David Gadsden
South Africa’s tiny Pickersgill’s reed frog serves as an indicator species whose presence signals ecosystem health. Conservation efforts by Ezemvelo KZN Wildlife has resulted in government policies that expand habitat, guide land use, and reduce harm. www.esri.com/about/newsro...
In South Africa, A Chorus of Tiny Frogs Signals Conservation Success
The fate of South Africa's endangered Pickersgill's reed frog was transformed by mapping habitats and studying what caused them harm.
www.esri.com
July 22, 2025 at 2:55 PM
South Africa’s tiny Pickersgill’s reed frog serves as an indicator species whose presence signals ecosystem health. Conservation efforts by Ezemvelo KZN Wildlife has resulted in government policies that expand habitat, guide land use, and reduce harm. www.esri.com/about/newsro...
Collaboration as a pathway to co-existence with the snow leopard www.esri.com/about/newsro...
Tracking Ghosts: How Smart Maps Help Protect Solitary and Nomadic Snow Leopards
www.esri.com
April 16, 2025 at 6:35 AM
Collaboration as a pathway to co-existence with the snow leopard www.esri.com/about/newsro...
Massai Mara, Kenya.
April 16, 2025 at 6:25 AM
Massai Mara, Kenya.
I love this community #restoration story.
The Lamlash Bay on the Isle of Arran—the UK's first community-led marine protected area—is managed by volunteers who use GIS to map underwater conditions, collect research data, monitor biodiversity, and record the remarkable comeback from trawling. www.esri.com/about/newsro...
How One Scottish Community is Restoring a Critical Marine Environment
The Community of Arran Seabed Trust (COAST) transforms marine data into maps, empowering their advocacy for coastal protection in Scotland.
www.esri.com
February 25, 2025 at 4:13 PM
I love this community #restoration story.
Desert light show as the storm blew in.
January 27, 2025 at 4:53 PM
Desert light show as the storm blew in.