On February 8, 2023, the California Fish and Game Commission (Commission) considered several items, including the petition to list the western Joshua tree (Yucca brevifolia), the California Department of Fish and Wildlife’s status review report; and comments received to potentially determine whether listing the tree as threatened under the California Endangered Species Act (CESA) is
Now is the Time to Do Rare Plant Surveys With the record-setting storms throughout California in January 2023, now is the time to conduct rare plant surveys, as many species are likely to bloom this year Plant growth and its relationship to climate is very nuanced, but in general the higher the rainfall, the more
The arid lands of western North America contain many dry lake beds that typically hold water for only a few weeks or months of the year. However, at various times in the past, when precipitation was more abundant and evaporation was less severe, these areas (paleolakes) were inundated to create large and relatively stable inland
What is the current listing status for California bumble bees? On May 31, 2022, the Third Appellate Court District in California ruled that “…a terrestrial invertebrate, like each of the four bumble bee species, may be listed as an endangered or threatened species under the [California Endangered Species Act],” under the definition of ‘fish.’ This
From November 1 through March 31, manatees migrate south from along the Eastern Seaboard, seeking warmer waters off the coast of Florida and along the Gulf of Mexico. During these five months, manatee presence in the area increases significantly, so many in-water construction activities must be halted. In 2021, an Unusual Mortality Event (UME) was
Every spring biology survey is slightly different. While some species—plants and butterflies to name two—have variable survey seasons, others have well-established or federally mandated survey seasons. Missing a survey window can adversely impact a project’s schedule. Working closely with project biologists can help identify biological constraints early in the process, helping a project stay on
Throughout California, riparian habitat and water resources are threatened by the effects of climate change and continued population growth. Buena Vista Creek in Oceanside, California is one such place. The creek has been highly fragmented due to development and contains engineered creek segments, which has degraded native habitat, decreased native riparian and freshwater wetlands, and
On December 28, 2021, the USFWS published a proposed rule in the Federal Register listing four of six Distinct Population Segments (DPSs) of the foothill yellow-legged frog (Rana boylii) under the Endangered Species Act. This follows the 2020 listing by the California Fish and Game Commission of five of six clades of the foothill yellow-legged
On December 21, 2021, the U.S. Fish and Wildlife Service (USFWS) officially published the final listing rule for the Hermes copper butterfly (Lycaena [Hermelycaena] hermes), designating it as a threatened species under the Endangered Species Act (ESA). As the species is endemic to San Diego County and northern Baja California, Mexico, the final rule designates
To address and reverse global effects caused by a rapidly changing climate, various industries have emerged that are leading efforts to reduce greenhouse gas emissions though alternative energy production. However, sometimes alternative energy projects which are focused on issues global in scale, run into issues protecting sensitive narrow endemic plant species at the local scale
