Tag Archives: biology

Western Joshua Tree Listing Status under the California ESA

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

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5 Helpful Steps to Negotiate the Best Permit Conditions for Every Project

Construction delays, tied-up bonding capacity, and extraneous years of site mitigation, monitoring, and maintenance are just a few of the consequences of poorly considered and negotiated permit conditions. Conversely, a thorough, thoughtful permitting strategy can save you time and money. Dudek Habitat Restoration Practice Director Mike Sweesy offers five tips on how to tailor a

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Bumble Bees May Soon Be Eligible for Listing under the California Endangered Species Act

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

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7 Tips to Help You Manage Spring Biology Surveys this Year

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

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Foothill Yellow-Legged Frog Listing Status under the California and Federal ESA

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

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Hermes Copper Butterfly Listed as a Threatened Species: What that Means for Your Projects

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

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Wheeler North Reef Expansion Project Protects Marine Mammals and Tribal Cultural Resources

As mitigation related to the former operation of the San Onofre Nuclear Generating Station (SONGS), Southern California Edison (SCE) sought to expand the existing 174-acre Wheeler North Reef, a manmade rocky reef, off the coast of San Clemente, California by an additional 202 acres. Dudek environmental planners, archaeologists, and marine biologists assisted California State Lands

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