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1

A tracer study with O18 in Photosynthesis by activation analysis

Ingrid Fogelström-Fineman, Osmund Holm-Hansen, Bert M. Tolbert, Melvin Calvin

Journal:

The International Journal of Applied Radiation and Isotopes

Year:

1957

Language:

english

File:

PDF, 529 KB

english, 1957

2

Effects of Dissolved and Complexed Copper on Heterotrophic Bacterial Production in San Diego Bay

Thomas J. Boyd, David M. Wolgast, Ignacio Rivera-Duarte, Osmund Holm-Hansen, Christopher D. Hewes, Alberto Zirino and D. Bart Chadwick

Journal:

Microbial Ecology

Year:

2005

Language:

english

File:

PDF, 2.59 MB

english, 2005

3

A Study of the Distribution and Activity of Microorganisms in Ocean Water

John E. Hobbie, Osmund Holm-Hansen, Theodore T. Packard, Lawrence R. Pomeroy, Raymond W. Sheldon, James P. Thomas and William J. Wiebe

Journal:

Limnology and Oceanography

Year:

1972

Language:

english

File:

PDF, 1.21 MB

english, 1972

4

Effects of UV radiation on post-bloom phytoplankton populations in Kvalsund, North Norway

E. Walter Helbling, Hans Chr. Eilertsen, Virginia E. Villafañe, Osmund Holm-Hansen

Journal:

Journal of Photochemistry and Photobiology B: Biology

Year:

1996

Language:

english

File:

PDF, 482 KB

english, 1996

5

Factors controlling the development of phytoplankton blooms in the Antarctic Ocean — a mathematical model

Egil Sakshaug, Dag Slagstad, Osmund Holm-Hansen

Journal:

Marine Chemistry

Year:

1991

Language:

english

File:

PDF, 696 KB

english, 1991

6

Phytoplankton around Elephant Island, Antarctica

Virginia Villafañe, E. Walter Helbling, Osmund Holm-Hansen

Journal:

Year:

1993

Language:

english

File:

PDF, 1013 KB

english, 1993

7

Variability of phytoplankton distribution and primary production around Elephant Island, Antarctica, during 1990–1993

E. Walter Helbling, Virginia E. Villafañe, Osmund Holm-Hansen

Journal:

Year:

1995

Language:

english

File:

PDF, 2.47 MB

english, 1995

8

Nitrogen metabolism by heterotrophic bacterial assemblages in Antarctic coastal waters

Luis M. Tupas, Isao Koike, David M. Karl, Osmund Holm-Hansen

Journal:

Year:

1994

Language:

english

File:

PDF, 1.09 MB

english, 1994

9

Effects of Dissolved and Complexed Copper on Heterotrophic Bacterial Production in San Diego Bay

Thomas J. Boyd, David M. Wolgast, Ignacio Rivera-Duarte, Osmund Holm-Hansen, Christopher D. Hewes, Alberto Zirino, D. Bart Chadwick

Journal:

Microbial Ecology

Year:

2005

Language:

english

File:

PDF, 269 KB

english, 2005

10

Deep chlorophyll-amaxima (DCMs) in Antarctic waters

Osmund Holm-Hansen, Christopher D. Hewes

Journal:

Year:

2004

Language:

english

File:

PDF, 765 KB

english, 2004

11

Cobalt as an Essential Element for Blue-Green Algae

Osmund Holm-Hansen, Gerald C. Gerloff, Folke Skoog

Journal:

Physiologia Plantarum

Year:

1954

Language:

english

File:

PDF, 2.73 MB

english, 1954

12

Bound Ornithine in Certain Flexibacteria and Algae

Osmund Holm-Hansen, Ralph A. Lewin

Journal:

Physiologia Plantarum

Year:

1965

Language:

english

File:

PDF, 1.55 MB

english, 1965

13

Impacts of Solar UVR on Aquatic Microorganisms

C. R. BOOTH, J. H. MORROW, THOMAS P. COOHILL, JOHN J. CULLEN, JOHN E. FREDERICK, DONAT-P. HADER, OSMUND HOLM-HANSEN, WADE H. JEFFREY, DAVID L. MITCHELL, PATRICK J. NEALE, IGOR SOBOLEV, JAN VAN DER LEU

Journal:

Photochemistry and Photobiology

Year:

1997

Language:

english

File:

PDF, 1.95 MB

english, 1997

14

Short- and Long-Term Effects of UVA and UVB on Marine Phytoplankton Productivity

Osmund Holm-Hansen

Journal:

Photochemistry and Photobiology

Year:

1997

Language:

english

File:

PDF, 133 KB

english, 1997

15

Variability in nutrient concentrations around Elephant Island, Antarctica, during 1991-1993

NELSON SILVA S., E. WALTER HELBLING, VIRGINIA VILLAFAÑE, ANTHONY F. AMOS, OSMUND HOLM-HANSEN

Journal:

Year:

1995

Language:

english

File:

PDF, 2.13 MB

english, 1995

16

Effects of high latitude UV radiation on phytoplankton and nekton modelled from field measurements by simple algorithms

Hans C. Eilertsen, Osmund Holm-Hansen

Journal:

Year:

2000

Language:

english

File:

PDF, 763 KB

english, 2000

17

Effect of Varying Residual Moisture Content on the Viability of Lyophilized Algae

HOLM-HANSEN, OSMUND

Journal:

Year:

1963

File:

PDF, 269 KB

1963

18

Viability of Blue-Green and Green Algae after Freezing

Osmund Holm-Hansen

Journal:

Physiologia Plantarum

Year:

1963

Language:

english

File:

PDF, 2.59 MB

english, 1963

19

Respiratory electron transport activity and adenosine triphosphate in the oxygen minimum of the eastern tropical North Pacific

Allan H. Devol, Theodore T. Packard, Osmund Holm-Hansen

Journal:

Deep Sea Research and Oceanographic Abstracts

Year:

1976

Language:

english

File:

PDF, 799 KB

english, 1976

20

Photoacclimation of antarctic marine diatoms to solar ultraviolet radiation

E.Walter Helbling, Bruce E. Chalker, Walter C. Dunlap, Osmund Holm-Hansen, Virginia E. Villafañe

Journal:

Journal of Experimental Marine Biology and Ecology

Year:

1996

Language:

english

File:

PDF, 1.04 MB

english, 1996

21

PHOTOINHIBITION OF PHOTOSYNTHESIS IN NATURAL WATERS*

Raymond C. Smith, Karen S. Baker, Osmund Holm-Hansen, Robert Olson

Journal:

Photochemistry and Photobiology

Year:

1980

Language:

english

File:

PDF, 562 KB

english, 1980

22

ULTRAVIOLET RADIATION IN ANTARCTICA: INHIBITION OF PRIMARY PRODUCTION

Osmund Holm-Hansen, E. Walter Helbling, Dan Lubin

Journal:

Photochemistry and Photobiology

Year:

1993

Language:

english

File:

PDF, 480 KB

english, 1993

23

The quantitative analysis of nanoplankton: a study of methods

Hewes, Christopher D., Reid, Freda M.H., Holm-Hansen, Osmund

Journal:

Journal of Plankton Research

Year:

1984

Language:

english

File:

PDF, 746 KB

english, 1984

24

Photoadaptation in Antarctic phytopfankton: variations in growth rate, chemical composition and P versus I curves

Sakshaug, Egil, Holm-Hansen, Osmund

Journal:

Journal of Plankton Research

Year:

1986

Language:

english

File:

PDF, 814 KB

english, 1986

25

Hydrographic control of the marine ecosystem in the South Shetland-Elephant Island and Bransfield Strait region

Valerie Loeb, Eileen E. Hofmann, John M. Klinck, Osmund Holm-Hansen

Journal:

Deep Sea Research Part II: Topical Studies in Oceanography

Year:

2010

Language:

english

File:

PDF, 3.57 MB

english, 2010

26

Factors affecting the viability of lyophilized algae

Osmund Holm-Hansen

Journal:

Year:

1967

Language:

english

File:

PDF, 889 KB

english, 1967

27

The Measurement of Adenosine Triphosphate in the Ocean and its Ecological Significance

Osmund Holm-Hansen and Charles R. Booth

Journal:

Limnology and Oceanography

Year:

1966

Language:

english

File:

PDF, 1.34 MB

english, 1966

28

Isolation and Culture of Terrestrial and Fresh-water Algae of Antarctica 1

Holm-Hansen, Osmund

Journal:

Year:

1964

Language:

english

File:

PDF, 123 KB

english, 1964

29

Occurrence of α, ε-Diaminopimelic Acid in Algae and Flexibacteria

Holm-Hansen, Osmund, Prasad, Rabindra, Lewin, Ralph A.

Journal:

Year:

1966

Language:

english

File:

PDF, 360 KB

english, 1966

30

Special Number 1. THE BIOLOGY OF THE ANTARCTIC KRILL EUPHAUSIA SUPERBA: Proceedings of the First International Symposium on Krill held at Wilmington, North Carolina, from 16-19 October 1982 || FEEDING REQUIREMENTS OF KRILL IN RELATION TO FOOD SOURCES

Osmund Holm-Hansen and Mark Huntley

Journal:

Journal of Crustacean Biology

Year:

1984

Language:

english

File:

PDF, 1.47 MB

english, 1984

31

What Controls Phytoplankton Production in Nutrient-Rich Areas of the Open Sea? || Light Limitation of Phytoplankton Biomass and Macronutrient Utilization in the Southern Ocean

B. Greg Mitchell, Eric A. Brody, Osmund Holm-Hansen, Charles McClain and James Bishop

Journal:

Limnology and Oceanography

Year:

1991

Language:

english

File:

PDF, 2.27 MB

english, 1991

32

Phytoplankton standing crop, primary productivity, and near-surface nitrogenous nutrient fields in the Ross Sea, Antarctica

Sayed Z. El-Sayed, Douglas C. Biggs, Osmund Holm-Hansen

Journal:

Deep Sea Research Part A. Oceanographic Research Papers

Year:

1983

Language:

english

File:

PDF, 926 KB

english, 1983

33

Optimal multiparameter analysis of source water distributions in the Southern Drake Passage

Frants, Marina, Gille, Sarah T., Hewes, Christopher D., Holm-Hansen, Osmund, Kahru, Mati, Lombrozo, Aaron, Measures, Christopher I., Greg Mitchell, B., Wang, Haili, Zhou, Meng

Journal:

Deep Sea Research Part II: Topical Studies in Oceanography

Year:

2013

Language:

english

File:

PDF, 2.24 MB

english, 2013

34

Chlorophyll a Determination: Improvements in Methodology

Osmund Holm-Hansen and Bo Riemann

Journal:

Year:

1978

Language:

english

File:

PDF, 1.33 MB

english, 1978

35

Spatial and temporal distribution of phytoplankton and primary production in the western Bransfield Strait region

Holm-Hansen, Osmund, Greg Mitchell, B.

Journal:

Deep Sea Research Part A. Oceanographic Research Papers

Year:

1991

Language:

english

File:

PDF, 1.13 MB

english, 1991

36

Observations of modeling of the Antartic phytoplankton crop in relation to mixing depth

Mitchell, B.Greg, Holm-Hansen, Osmund

Journal:

Deep Sea Research Part A. Oceanographic Research Papers

Year:

1991

Language:

english

File:

PDF, 1.58 MB

english, 1991

37

What Controls Phytoplankton Production in Nutrient-Rich Areas of the Open Sea? || Effect of Iron on Productivity and Size Distribution of Antarctic Phytoplankton

E. Walter Helbling, Virginia Villafane and Osmund Holm-Hansen

Journal:

Limnology and Oceanography

Year:

1991

Language:

english

File:

PDF, 970 KB

english, 1991

38

Adenosine Triphosphate Content of Marine Bacteria

Robert D. Hamilton and Osmund Holm-Hansen

Journal:

Limnology and Oceanography

Year:

1967

Language:

english

File:

PDF, 721 KB

english, 1967

39

Measurement of Deoxyribonucleic Acid in the Ocean and its Ecological Significance

Osmund Holm-Hansen, William H. Sutcliffe, Jr. and Jonathan Sharp

Journal:

Limnology and Oceanography

Year:

1968

Language:

english

File:

PDF, 900 KB

english, 1968

40

Determination of Particulate Organic Nitrogen

Osmund Holm-Hansen

Journal:

Limnology and Oceanography

Year:

1968

Language:

english

File:

PDF, 519 KB

english, 1968

41

Determination of Microbial Biomass in Ocean Profiles

Osmund Holm-Hansen

Journal:

Limnology and Oceanography

Year:

1969

Language:

english

File:

PDF, 1.32 MB

english, 1969

42

Phytoplankton in Lake Tahoe: Deep-Living Populations

Dale A. Kiefer, Osmund Holm-Hansen, Charles R. Goldman, Robert Richards and Thomas Berman

Journal:

Limnology and Oceanography

Year:

1972

Language:

english

File:

PDF, 679 KB

english, 1972

43

A Method for Recovering Nanoplankton from Filters for Identification with the Microscope: The Filter-Transfer-Freeze (FTF) Technique

Christopher D. Hewes and Osmund Holm-Hansen

Journal:

Limnology and Oceanography

Year:

1983

Language:

english

File:

PDF, 799 KB

english, 1983

44

Iron Limitation across Chlorophyll Gradients in the Southern Drake Passage: Phytoplankton Responses to Iron Addition and Photosynthetic Indicators of Iron Stress

Brian M. Hopkinson, B. Greg Mitchell, Rick A. Reynolds, Haili Wang, Karen E. Selph, Christopher I. Measures, Christopher D. Hewes, Osmund Holm-Hansen and Katherine A. Barbeau

Journal:

Limnology and Oceanography

Year:

2007

Language:

english

File:

PDF, 2.36 MB

english, 2007

45

ENSO and variability of the Antarctic Peninsula pelagic marine ecosystem

Loeb, Valerie J., Hofmann, Eileen E., Klinck, John M., Holm-Hansen, Osmund, White, Warren B.

Journal:

Antarctic Science

Year:

2009

Language:

english

File:

PDF, 874 KB

english, 2009

46

VIABILITY OF LYOPHILIZED ALGAE

Holm-Hansen, Osmund

Journal:

Canadian Journal of Botany

Year:

1964

Language:

english

File:

PDF, 476 KB

english, 1964

47

Rate of release of extracellular amino acids and carbohydrates from the marine diatom Chaetoceros affinis

Myklestad, Sverre, Holm-Hansen, Osmund, Vårum, Kjell M., Volcani, Benjamin E.

Journal:

Journal of Plankton Research

Year:

1989

Language:

english

File:

PDF, 496 KB

english, 1989

48

Trifluoroacetate in Ocean Waters

Frank, Hartmut, Christoph, Eugen H., Holm-Hansen, Osmund, Bullister, John L.

Journal:

Environmental Science & Technology

Year:

2002

Language:

english

File:

PDF, 48 KB

english, 2002

49

The measurement of adenosine triphosphate in the ocean and its ecological significance

HOLM-HANSEN, OSMUND, BOOTH, CHARLES R.

Journal:

Limnology and Oceanography

Year:

1966

Language:

english

File:

PDF, 1.16 MB

english, 1966

50

Acclimatization of Antarctic natural phytoplankton assemblages when exposed to solar ultraviolet radiation

Villafañe, Virginia E., Helbling, E.Walter, Holm-Hansen, Osmund, Chalker, Bruce E.

Journal:

Journal of Plankton Research

Year:

1995

Language:

english

File:

PDF, 2.10 MB

english, 1995