biodiversity

A dirt pathway through a sunlight filled forest with tall, thin trees. A shrub is in the foreground.

How Many Tree Species are There in the World?

Katarina Samurović

A collaborative effort by a global tree scientist community has finally provided an answer to a long-standing puzzle about the total number of tree species on the planet.

Screenshot showing the interactive ecoregions map.

Terrestrial Ecoregions GIS Data

Caitlin Dempsey

The terrestrial ecoregions dataset is available both in shapefile format and as a Google Engine dataset.

Freshwater habitats are in decline and under threat. Lindsey Slough in the Sacramento-San Joaquin Delta is being choked by invasive aquatic vegetation. Photo: USGS, public domain.

WWF Report: Wildlife Has Declined 68% Since 1970

Katarina Samurović

In their latest Living Planet 2020 report, WWF revealed that global wildlife is facing catastrophic decline.

Screenshot from the Biodiversity Atlas of LA County

UCLA Researchers Map the Biodiversity of Los Angeles County

Elizabeth Borneman

UCLA researchers have mapped the biodiversity of Los Angeles County.

A long-term habitat connectivity experiment. Source: Damschen et al., 2019.

Connecting Fragmented Habitat Improves Biodiversity

Elizabeth Borneman

Researchers found that connecting natural corridors of habitat to one another promotes biodiversity in the plants and animals that are able to thrive in those locations.