Tag Archives: biology

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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The Remarkable Restoration of the Bay Checkerspot Butterfly in Edgewood Preserve

On an afternoon in Redwood City, California in 2002, Dr. Stu Weiss documented the last Bay Checkerspot butterfly to fly in Edgewood Preserve. The butterfly was extinct from the area. Following its extinction, Dr. Weiss was determined to change the butterfly’s fate and understand what caused its massive collapse from an area where it used

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Revisions to 4 Key Wildlife and Wetlands Rules: What It Means for Your Projects

Several federal and state entities have enacted or proposed rule revisions in the past year, which may affect your projects. Read on to find out how. Enacted Rule Revisions Rule revisions to the Migratory Bird Treaty Act (MBTA) by the Department of the Interior (DOI) and to the Clean Water Rule by the U.S. Army

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Federal ESA Implementation Would Change under New Proposed Rules

On July 25, 2018, the U.S. Fish and Wildlife Service (USFWS) and National Marine Fisheries Service (NMFS) published three proposed rules in the Federal Register that would substantially revise regulations implementing portions of the federal Endangered Species Act (ESA). The three rules pertain to (1) the level of protection for Threatened species, (2) regulations for

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State Water Board to Consider Changes to Wetlands Procedures

After several drafts informed by public review and comment over the past 10 years, the State Water Resources Control Board (Water Board) will soon meet to consider adoption of new Procedures for Discharges of Dredged or Fill Material to Waters of the State (Procedures). The Procedures will chiefly outline how to define wetlands and dictate

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