James A. Estes

James A. Estes (born 1945) is an American ecologist and Distinguished Professor at University of California, Santa Cruz (UCSC), known for his studies of sea otters and kelp forest ecology.[1] Born in Sacramento, California, he graduated from the University of Minnesota in 1967, earned a Masters in Biology from Washington State University in 1969, and a Ph.D. in biology and statistics from the University of Arizona in 1974. He worked for the U.S. Fish and Wildlife Service and the U.S. Geological Survey from 1974 to 2007 before joining the UCSC faculty. He co-edited the books The Community Ecology of Sea Otters (1988), Whales, Whaling, and Ocean Ecosystems (2007), and Trophic Cascades: Predators, Prey, and the Changing Dynamics of Nature (2010), and is the author of Serendipity: An Ecologist's Quest to Understand Nature (2016). He was elected to the National Academy of Sciences in 2014.[2]


  1. ^ Lubchenco, Jane (18 May 2016). "Ecology: The sea-otter whisperer". Nature. 533 (7603): 318–319. doi:10.1038/533318a.
  2. ^ "James Estes". www.nasonline.org. National Academy of Sciences.

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Chonecetus is an extinct genus of primitive baleen whale of the family Aetiocetidae that lived in the Oligocene period. Its fossils have been found in Canada, in the northeast Pacific. It was first named by L.S. Russell in 1968, and contains one species, C. sookensis.

Like Aetiocetus, Chonecetus possessed both multicusped teeth and the nutrient foramina required for baleen. Chonecetus closely resembled a modern Mysticeti, with an elongate, streamlined body supporting a pair of paddle-shaped forelimbs, and a horizontal tail fluke strengthened by fibrous cartilage.


Estes is an English-language surname said to derive from Old English and have the meaning "of the East" (literally, "East's"). As a surname, it has been traced to southern Kent, as early as the mid-15th century, Bobo Estes (Ewstas, Esteuzi) b. 1475 Deal, Kent, England- d. 1506 Dover, Kent, England. Notable people with the surname include:

Billie Sol Estes, Texas businessman and politician

Bob Estes, U.S. professional golf player

Eleanor Estes, U.S. children's author

James A. Estes U.S. ecologist

Jim Estes, U.S. golfer

John Estes, U.S. football player

John Adam Estes, also known as "Sleepy John" Estes, U.S. blues musician

John Curtis Estes, birth name of adult film star John Holmes

Patrick Estes, U.S. football player

Richard Estes, U.S. photorealist painter

Richard Despard Estes, Biologist

Rob Estes, U.S. actor

Ron Estes, U.S. Representative from Kansas

Shawn Estes, Major League Baseball player

Simon Estes, U.S. bass-baritone singer

Vernon Estes, U.S. businessman

Wayne Estes, U.S. basketball player

Will Estes, U.S. actor

William Kaye Estes, U.S. mathematical psychologist

Yusuf Estes, U.S. former Christian minister, now convert to IslamGiven nameEstes is also less frequently found as a given name:

Estes Banks, American football player

Estes Kefauver, U.S. politician


Phlorotannins are a type of tannins found in brown algae such as kelps and rockweeds or sargassacean species, and in a lower amount also in some red algae. Contrary to hydrolysable or condensed tannins, these compounds are oligomers of phloroglucinol (polyphloroglucinols). As they are called tannins, they have the ability to precipitate proteins. It has been noticed that some phlorotannins have the ability to oxidize and form covalent bonds with some proteins. In contrast, under similar experimental conditions three types of terrestrial tannins (procyanidins, profisetinidins, and gallotannins) apparently did not form covalent complexes with proteins.These phenolic compounds are integral structural components of cell walls in brown algae, but they also seem to play many other secondary ecological roles such as protection from UV radiation and defense against grazing.

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