Endangered Species Update

Technical environmental journal.

Articles from Vol. 20, No. 3, May-June

California Tiger Salamander (Ambystoma Californiense)
On July 22, due to an imminent threat of habitat destruction, we listed the Sonoma County distinct population segment of the California tiger salamander as endangered under the emergency provisions of the ESA. This action gave temporary but immediate...
Chinese Biologists Compare Argali to Bighorn
"Stop the car!" cried Liu Chuguang through our interpreter, Julia Su. The minibus slid to a halt on the rocky washboard road. As the dust cleared, we made out a thin tawny figure picking its way around a field of boulders. Then, about 50 feet (15 meters)...
Comparing Perspectives of Participants and outside Commentators on Habitat Conservation Plans
Abstract Habitat Conservation Plans (HCPs) have become the primary mechanism by which the Endangered Species Act (ESA) is implemented on private land. Due to the dramatic increase in the number and size of plans, numerous scientists, conservation...
Conservation and Recovery of Southeastern Imperiled Fishes
Prompted by concern over the plight of southeastern fishes and a desire to address their conservation, the Fish and Wildlife Service organized a meeting of more than 60 aquatic natural resources experts in October 1999. Professionals representing state...
Crayfish: An Overlooked Fauna
Whether you know them as mudbugs, ditch bugs, river lobsters, crawlybottoms, crawdads, or crawfish, anyone who has spent time in streams is familiar with crayfish. Chances are you've eaten them in southern restaurants or social gatherings, used them...
Cryptic Biodiversity
Just how many aquatic animal species do we have in the Southeast? We don't have a final answer to this question yet, but through the collaborative efforts of agency biologists and scientists specializing in taxonomic classification, we are moving in...
Down by the Green River
Immortalized in John Prine's song "Paradise," the Green River flows lazily through west-central Kentucky before joining the Ohio River. Although Prine sings of the town of Paradise in Muhlenberg County, we think that true paradise lies many miles upstream....
Forty-One Tons
Why would 30 people volunteer to move large boulders, by hand, into the Elk River on a hot day in August? "In the hopes of providing new habitat for one of the rarest fishes in the Southeast," replies Lee Barclay, Supervisor of the Cookeville, Tennessee,...
In Memoriam: Tyler Alley Sykes
Editor's note: The following was provided by the Service's Cookeville, Tennessee, Field Office in tribute to the memory of Tyler Sykes, who tragically passed away due to illness shortly after she wrote the preceding articles. Tyler Sykes joined...
Jewels in Our Waters
At the crack of dawn, as you slice through the calm river with quiet paddle strokes, your canoe glides upstream through a bank of fog that will slowly burn off with each cast of your fishing rod. Why does everyone love our beautiful southern rivers,...
Landowners Are Recognized for Conservation Work
At a dinner held in April 2002, 20 private landowners from the Morrison-Viola area of middle Tennessee were recognized by the Barrens Topminnow Working Group for their efforts to restore and protect habitat for this extremely rare fish. The Barrens...
New Survey Finds Children Want to Help Save the Environment
Children worldwide want to get involved in conservation efforts, and among all age-groups, most think young people are doing a better job caring for wildlife, according to a new survey by the American Zoo and Aquarium Association (AZA). Sixty thousand...
Piping Plover (Charadrius Melodus)
U.S. Atlantic Coast piping plover abundance and productivity figures for the 2000 and 2001 breeding seasons are now available on-line at "http:// pipingplover.fws.gov/status/index.html." After a 3 percent decline between 1997 and 1999, the estimate...
Proposed Critical Habitat Rules
In addition to the critical habitat proposals noted above as part of the listing proposals, proposed designations of critical habitat for previously listed species have been published for the following: * Ventura marsh milk-vetch (Astragalus pycnostachyus...
Releasing Mussels to Recovering Waters
One of our nation's biological hot spots, the 21,390 square miles (55,379 sq. kilometers) of the Upper Tennessee River Basin (UTRB) provides habitat for a remarkable diversity of aquatic life. More than 85 of the approximately 300 described North American...
Sending Surrogates to the Rescue
It is reclusive, silent, and sedentary, but it's also Mother Nature's natural water filter and an indicator species to boot, and now a small group of scientists in the Southeast is putting in long hours in an attempt to rescue a single imperiled species...
Species at Risk: Status and Distribution of the Leopard (Panthera Pardus) in Turkey and the Caucasus Mountains
Abstract For millennia large mammalian carnivores, including the Caspian tiger (Panthera tigris virgata), Asiatic lion (Panthera leo persica), brown bear (Ursus arctos), gray wolf (Canis lupus), striped hyena (Hyaena hyaena), Eurasian lynx (Lynx...
Sturgeon Surveys in the Lower Mississippi River
In September 2001, the Fish and Wildlife Service's Jackson Field Office and the Mississippi Museum of Natural Science, with assistance from the Lower Mississippi River Conservation Commission, initiated a multi-year program of trawl surveys for sturgeon...
The Urban Life of Darters
Most people in the United States now live in urban areas and suburbs, squeezed onto three percent of the nation's land area. In turn, most of the water that enters our southeastern streams and lakes is affected by activities that occur on these developed...
Unethical Use of Rare and Threatened Plant and Animal Products in the Aroma Industry
Abstract Despite the existence of commodity shortages in the aroma industry, production and marketing strategies that are sustainable in the long-term are driven more by consumers and organizations concerned about conservation than by raw material...