Kendra Daly

Last updated
Kendra Daly
Alma materUniversity of Tennessee
Scientific career
InstitutionsUniversity of South Florida
Thesis The influence of zooplankton on biogeochemical fluxes and stoichiometry in an Arctic marine system  (1995)

Kendra Lee Daly is an oceanographer known for her work on zooplankton, particularly in low oxygen regions of the ocean. She is a professor at the University of South Florida, and an elected fellow of the American Association for the Advancement of Science.

Contents

Education and career

Daly has a B.S. (1973) [1] and a M.S. (1990) [2] from the University of Washington. In 1995 she earned her Ph.D. from the University of Tennessee with a dissertation on zooplankton in the Arctic. [3] Following her Ph.D. she did postdoctoral work at Oak Ridge National Laboratory and was a program director at the National Science Foundation. In 2001 she moved to the University of South Florida where she was promoted to professor in 2014. [1]

Research

Daly's early research was conducted in the Weddell Sea where she examined the abundance, [4] growth, and feeding of krill. [5] Subsequently she examined year-to-year changes in the development of krill in Antarctica, [6] and the role of zooplankton in organic sulfur cycling in the Southern Ocean. [7] She has examined how plankton production is impacted by physics and biology, [8] such as her work looking at carbon and nitrogen cycling in polar regions. [9] [10] Following the Deepwater Horizon oil spill, Daly considered how the spill may have altered plankton production in the region, [11] worked with a team tracking oil droplets in the water using automated image analysis, [12] and assessed potential toxic effects of the oil on the biological community in the Gulf of Mexico. [13] [14]

Selected publications

Awards and honors

In 2015 Daly was named a fellow of the American Association for the Advancement of Science. [15]

Related Research Articles

The photic zone, euphotic zone, epipelagic zone, or sunlight zone is the uppermost layer of a body of water that receives sunlight, allowing phytoplankton to perform photosynthesis. It undergoes a series of physical, chemical, and biological processes that supply nutrients into the upper water column. The photic zone is home to the majority of aquatic life due to the activity of the phytoplankton. The thicknesses of the photic and euphotic zones vary with the intensity of sunlight as a function of season and latitude and with the degree of water turbidity. The bottommost, or aphotic, zone is the region of perpetual darkness that lies beneath the photic zone and includes most of the ocean waters.

<span class="mw-page-title-main">Antarctic krill</span> Species of krill

Antarctic krill is a species of krill found in the Antarctic waters of the Southern Ocean. It is a small, swimming crustacean that lives in large schools, called swarms, sometimes reaching densities of 10,000–30,000 individual animals per cubic metre. It feeds directly on minute phytoplankton, thereby using the primary production energy that the phytoplankton originally derived from the sun in order to sustain their pelagic life cycle. It grows to a length of 6 centimetres (2.4 in), weighs up to 2 grams (0.071 oz), and can live for up to six years. It is a key species in the Antarctic ecosystem and in terms of biomass, is one of the most abundant animal species on the planet – approximately 500 million metric tons.

<span class="mw-page-title-main">Krill</span> Order of crustaceans

Krill are small and exclusively marine crustaceans of the order Euphausiacea, found in all the world's oceans. The name "krill" comes from the Norwegian word krill, meaning "small fry of fish", which is also often attributed to species of fish.

Krill oil is an extract prepared from a species of Antarctic krill, Euphausia superba. Processed krill oil is commonly sold as a dietary supplement. Two components of krill oil are omega-3 fatty acids similar to those in fish oil, and phospholipid-derived fatty acids (PLFA), mainly phosphatidylcholine.

<span class="mw-page-title-main">Krill fishery</span>

The krill fishery is the commercial fishery of krill, small shrimp-like marine animals that live in the oceans world-wide. The present estimate for the biomass of Antarctic krill is 379 million tonnes. The total global harvest of krill from all fisheries amounts to 150–200,000 tonnes annually, mainly Antarctic krill and North Pacific krill.

<span class="mw-page-title-main">Brazil Current</span> Warm current that flows south along the Brazilian south coast to the mouth of the Río de la Plata

The Brazil Current is a warm water current that flows south along the Brazilian south coast to the mouth of the Río de la Plata.

<span class="mw-page-title-main">Weddell Gyre</span> One of two gyres within the Southern Ocean

The Weddell Gyre is one of the two gyres that exist within the Southern Ocean. The gyre is formed by interactions between the Antarctic Circumpolar Current (ACC) and the Antarctic Continental Shelf. The gyre is located in the Weddell Sea, and rotates clockwise. South of the ACC and spreading northeast from the Antarctic Peninsula, the gyre is an extended large cyclone. Where the northeastern end ends at 30°E, which is marked by the southward turn of the ACC, the northern part of the gyre spreads over the Southern Scotia Sea and goes northward to the South Sandwich Arc. Axis of the gyre is over the southern flanks of the South Scotia, America-Antarctic, and Southwest Indian Ridges. In the southern part of the gyre, the westward return flow is about 66 sverdrup (Sv), while in the northern rim current, there is an eastward flow of 61 Sv.

Euphausia crystallorophias is a species of krill, sometimes called ice krill, crystal krill, or Antarctic coastal krill. It lives in the coastal waters around Antarctica, further south than any other species of krill. The specimens for the species' original description were collected through holes cut in the ice by Robert Falcon Scott's Discovery Expedition, several thousand having been donated by Thomas Vere Hodgson.

<span class="mw-page-title-main">International Weddell Sea Oceanographic Expeditions</span> Series of scientific research expeditions to the Weddell Sea

The International Weddell Sea Oceanographic Expeditions or IWSOE are a series of scientific research expeditions to the Weddell Sea began in 1967, involving cooperation among Norway, Canada, Chile and the United States.

<span class="mw-page-title-main">Bettina Meyer</span> German Antarctic researcher

Bettina Meyer is a German Antarctic researcher, best known for her work on the ecology and physiology of invertebrates in the pelagic zone. She is the head of the ecophysiology of pelagic key species working group at the Alfred Wegener Institute for Polar and Marine Research (AWI).

Karen Frances Wishner is an American oceanographer currently at University of Rhode Island and an elected fellow of the American Association for the Advancement of Science. Her interests include coastal shelf and zooplankton behavior and environment, and has published her findings.

<i>Metridia gerlachei</i> Species of crustacean

Metridia gerlachei is a copepod found primarily in Antarctic and sub-Antarctic waters.

<span class="mw-page-title-main">Horizon Guyot</span> Tablemount in the Pacific Ocean

Horizon Guyot is a presumably Cretaceous guyot (tablemount) in the Mid-Pacific Mountains, Pacific Ocean. It is an elongated ridge, over 300 kilometres (190 mi) long and 4.3 kilometres (2.7 mi) high, that stretches in a northeast-southwest direction and has two flat tops; it rises to a minimum depth of 1,443 metres (4,730 ft). The Mid-Pacific Mountains lie west of Hawaii and northeast of the Line Islands.

A metachronal swimming or metachronal rowing is the swimming technique used by animals with multiple pairs of swimming legs. In this technique, appendages are sequentially stroked in a back-to-front wave moving along the animal’s body. In literature, while metachronal rhythm or metachronal wave usually refer to the movement of cilia; metachronal coordination, metachronal beating, metachronal swimming or metachronal rowing usually refer to the leg movement of arthropods, such as mantis shrimp, copepods, antarctic krill etc. though all of them refer to the similar locomotion pattern.

Eileen E. Hofmann is a professor and eminent scholar at Old Dominion University who is known for her research linking biological and physical interactions in marine systems. In 2013, Hofmann was elected a fellow of the American Geophysical Union who cited her "for her pioneering work in modeling physical-biological interactions".

<span class="mw-page-title-main">Ann Bucklin</span> Marine scientist

Ann Bucklin is Professor Emeritus of Marine Sciences at the University of Connecticut known for her work using molecular tools to study zooplankton. Bucklin was elected a fellow of the American Association for the Advancement of Science in 1995.

Elizabeth Kujawinski is an American oceanographer who is Senior Scientist at the Woods Hole Oceanographic Institution, where she works as Program Director of the Center for Chemical Currencies of a Microbial Planet. Her research considers analytical chemistry, chemical oceanography, microbiology and microbial ecology. She is interested in what controls the composition of organic materials in aquatic systems.

Greta Albrecht Fryxell was a marine scientist known for her work on the biology and taxonomy of diatoms. In 1996, she was elected a fellow of the American Association for the Advancement of Science.

A micronekton is a group of organisms of 2 to 20 cm in size which are able to swim independently of ocean currents. The word 'nekton' is derived from the Greek νήκτον, translit. nekton, meaning "to swim", and was coined by Ernst Haeckel in 1890.

Callianira antarctica is a species of ctenophore that physically resembles Mertensia ovum, but lacks the oil sacs. Just like other ctenophores, over 95% of its body mass and composition is water.

References

  1. 1 2 "Daly CV" (PDF). Retrieved April 5, 2022.
  2. Daly, Kendra Lee (1990). The influence of physical and biological mesoscale dynamics on the seasonal distribution and behavior of Euphausia superba dana in the Antarctic marginal ice zone (Thesis). OCLC   24347770.
  3. Daly, Kendra Lee (1995). The influence of zooplankton on biogeochemical fluxes and stoichiometry in an Arctic marine system (Thesis). OCLC   35576296.
  4. Daly, Kendra L.; Macaulay, Michael C. (1988-01-01). "Abundance and distribution of krill in the ice edge zone of the Weddell Sea, austral spring 1983". Deep Sea Research Part A. Oceanographic Research Papers. 35 (1): 21–41. Bibcode:1988DSRA...35...21D. doi:10.1016/0198-0149(88)90055-6. ISSN   0198-0149.
  5. Daly, Kendra L. (1990). "Overwintering development, growth, and feeding of larval Euphausia superba in the Antarctic marginal ice zone". Limnology and Oceanography. 35 (7): 1564–1576. Bibcode:1990LimOc..35.1564D. doi: 10.4319/lo.1990.35.7.1564 . ISSN   0024-3590.
  6. Daly, Kendra L. (2004-08-01). "Overwintering growth and development of larval Euphausia superba: an interannual comparison under varying environmental conditions west of the Antarctic Peninsula". Deep Sea Research Part II: Topical Studies in Oceanography. Integrated Ecosystem Studies of Western Antarctic Peninsula Continental Shelf Waters and Related Southern Ocean Regions. 51 (17): 2139–2168. Bibcode:2004DSRII..51.2139D. doi:10.1016/j.dsr2.2004.07.010. ISSN   0967-0645.
  7. Daly, Kendra L.; DiTullio, Giacomo R. (1996), Kiene, Ronald P.; Visscher, Pieter T.; Keller, Maureen D.; Kirst, Gunter O. (eds.), "Particulate Dimethylsulfoniopropionate Removal and Dimethylsulfide Production by Zooplankton in the Southern Ocean", Biological and Environmental Chemistry of DMSP and Related Sulfonium Compounds, Boston, MA: Springer US, pp. 223–238, doi:10.1007/978-1-4613-0377-0_20, ISBN   978-0-306-45306-9 , retrieved 2022-04-05
  8. Daly, Kendra L.; Smith, Walker O. (1993-11-01). "Physical-Biological Interactions Influencing Marine Plankton Production". Annual Review of Ecology and Systematics. 24 (1): 555–585. doi:10.1146/annurev.es.24.110193.003011. ISSN   0066-4162.
  9. Daly, Kendra L. (1997-01-01). "Flux of particulate matter through copepods in the Northeast water polynya". Journal of Marine Systems. 10 (1): 319–342. Bibcode:1997JMS....10..319D. doi:10.1016/S0924-7963(96)00062-0. ISSN   0924-7963.
  10. Daly, Kendra L.; Wallace, Douglas W. R.; Smith, Walker O.; Skoog, Annelie; Lara, Rubén; Gosselin, Michel; Falck, Eva; Yager, Patricia L. (1999-02-15). "Non-Redfield carbon and nitrogen cycling in the Arctic: Effects of ecosystem structure and dynamics". Journal of Geophysical Research: Oceans. 104 (C2): 3185–3199. Bibcode:1999JGR...104.3185D. doi: 10.1029/1998jc900071 . ISSN   0148-0227. S2CID   128810456.
  11. Hu, Chuanmin; Weisberg, Robert H.; Liu, Yonggang; Zheng, Lianyuan; Daly, Kendra L.; English, David C.; Zhao, Jun; Vargo, Gabriel A. (2011-05-03). "Did the northeastern Gulf of Mexico become greener after the Deepwater Horizon oil spill?". Geophysical Research Letters. 38 (9). Bibcode:2011GeoRL..38.9601H. doi: 10.1029/2011gl047184 . ISSN   0094-8276. S2CID   55551355.
  12. Fefilatyev, Sergiy; Kramer, Kurt; Hall, Lawrence; Goldgof, Dmitry; Kasturi, Rangachar; Remsen, Andrew; Daly, Kendra (2011). "Detection of Anomalous Particles from the Deepwater Horizon Oil Spill Using the SIPPER3 Underwater Imaging Platform". 2011 IEEE 11th International Conference on Data Mining Workshops. pp. 741–748. doi:10.1109/ICDMW.2011.65. ISBN   978-1-4673-0005-6. S2CID   12800646.
  13. Paul, John H.; Hollander, David; Coble, Paula; Daly, Kendra L.; Murasko, Sue; English, David; Basso, Jonelle; Delaney, Jennifer; McDaniel, Lauren; Kovach, Charles W. (2013-09-03). "Toxicity and Mutagenicity of Gulf of Mexico Waters During and After the Deepwater Horizon Oil Spill". Environmental Science & Technology. 47 (17): 9651–9659. Bibcode:2013EnST...47.9651P. doi:10.1021/es401761h. ISSN   0013-936X. PMID   23919351.
  14. Daly, Kendra L.; Passow, Uta; Chanton, Jeffrey; Hollander, David (2016-03-01). "Assessing the impacts of oil-associated marine snow formation and sedimentation during and after the Deepwater Horizon oil spill". Anthropocene. 13: 18–33. Bibcode:2016Anthr..13...18D. doi: 10.1016/j.ancene.2016.01.006 . ISSN   2213-3054.
  15. "Historic Fellows | American Association for the Advancement of Science". www.aaas.org. Retrieved 2022-04-05.