Mark Ohman | Academic Influence

Mark Ohman's AcademicInfluence.com Rankings

Mark Ohman

Biology

#10463

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#13796

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Oceanography

#139

World Rank

#154

Historical Rank

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Biology

Mark Ohman's Degrees

PhD Oceanography University of California, San Diego
Masters Marine Biology University of California, San Diego
Bachelors Biology University of California, San Diego

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Why Is Mark Ohman Influential?

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According to Wikipedia, Mark D. Ohman is an American Biological Oceanographer. He is Distinguished Professor of the Graduate Division at the Scripps Institution of Oceanography, University of California, San Diego. He is Director and Lead Principal Investigator of the California Current Ecosystem Long-Term Ecological Research site, supported by the U.S. National Science Foundation.

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Mark Ohman's Published Works

Number of citations in a given year to any of this author's works

Total number of citations to an author for the works they published in a given year. This highlights publication of the most important work(s) by the author

Published Works

Digital zooplankton image analysis using the ZooScan integrated system (2010) (376)
Sustained fecundity when phytoplankton resources are in short supply: Omnivory by Calanus finmarchicus in the Gulf of St. Lawrence (1994) (331)
The Demographic Benefits of Diel Vertical Migration by Zooplankton (1990) (330)
Long-term aging and degradation of microplastic particles: Comparing in situ oceanic and experimental weathering patterns. (2016) (287)
Trait-based approaches to zooplankton communities (2013) (278)
Reverse Diel Vertical Migration: An Escape from Invertebrate Predators (1983) (273)
Analysis of abrupt transitions in ecological systems (2011) (261)
Density-dependent mortality in an oceanic copepod population (2001) (242)
Planktivorous auklet Ptychoramphus aleuticus responses to ocean climate, 2005: Unusual atmospheric blocking? (2006) (199)
Globally Consistent Quantitative Observations of Planktonic Ecosystems (2019) (177)
Coherence of long-term variations of zooplankton in two sectors of the California Current System (2007) (175)
Planktonic Foraminifera of the California Current Reflect 20th-Century Warming (2006) (171)
Lagrangian studies of phytoplankton growth and grazing relationships in a coastal upwelling ecosystem off Southern California (2009) (160)
Long-term changes in pelagic tunicates of the California Current (2003) (150)
Multidecadal increase in plastic particles in coastal ocean sediments (2019) (137)
Synthesis of Pacific Ocean Climate and Ecosystem Dynamics (2013) (136)
Growth kinetics of the omnivorous oligotrich ciliate Strombidium sp (1991) (132)
Glider surveillance of physics and biology in the southern California Current System (2008) (131)
Zooplankton anomalies in the California Current system before and during the warm ocean conditions of 2005 (2006) (127)
A double-integration hypothesis to explain ocean ecosystem response to climate forcing (2013) (122)
Stage‐specific mortality of Calanus spp. under different predation regimes (2002) (122)
Stage-specific mortality of Calanus finmarchicus, Pseudocalanus elongatus and Oithona similis on Fladen Ground, North Sea, during a spring bloom (2004) (121)
Behavioral responses of zooplankton to predation (1988) (117)
Robust empirical relationships for estimating the carbonate system in the southern California Current System and application to CalCOFI hydrographic cruise data (2005–2011) (2012) (116)
On birth and death in the sea (2002) (110)
Mesoscale ocean fronts enhance carbon export due to gravitational sinking and subduction (2017) (104)
Size‐dependent visual predation risk and the timing of vertical migration in zooplankton (2000) (103)
Interannual variation in phytoplankton blooms and zooplankton productivity and abundance in the Gulf of Maine during Winter (2003) (103)
A vertical life table approach to zooplankton mortality estimation (1996) (103)
Predator-limited population growth of the copepod Pseudocalanus sp. (1986) (100)
Linking nitrogen dynamics to climate variability off central California: a 51 year record based on 15N/14N in CalCOFI zooplankton (2003) (93)
A comparative study of Calanus finmarchicus mortality patterns at five localities in the North Atlantic (2004) (92)
Estimation techniques used in studies of copepod population dynamics - A review of underlying assumptions (1997) (92)
A COMPARISON OF ZOOPLANKTON SAMPLING METHODS IN THE CALCOFI TIME SERIES (1995) (89)
Differential dormancy of co-occurring copepods (1998) (87)
Large salp bloom export from the upper ocean and benthic community response in the abyssal northeast Pacific: Day to week resolution (2014) (82)
Mesozooplankton and particulate matter responses to a deep-water frontal system in the southern California Current System (2012) (79)
Energy sources for recruitment of the subantarctic copepod Neocalanus tonsus1 (1987) (75)
Mortality estimation for planktonic copepods: Pseudocalanus newmani in a temperate fjord (1996) (74)
Biological responses to environmental forcing: the linear tracking window hypothesis. (2006) (72)
Zooglider: An autonomous vehicle for optical and acoustic sensing of zooplankton (2018) (72)
Nonlinear effects of body size and optical attenuation on Diel Vertical Migration by zooplankton (2016) (68)
Underwater gliders reveal rapid arrival of El Niño effects off California's coast (2011) (67)
THE INEVITABILITY OF MORTALITY (1995) (65)
Pelagic community responses to a deep-water front in the California Current Ecosystem: overview of the A-Front Study (2012) (64)
The GLOBEC Northeast Pacific California Current System Program (2002) (59)
Immunochemical Detection of Predation on Ciliate Protists by Larvae of the Northern Anchovy (Engraulis mordax). (1991) (58)
CalCOFI in a Changing Ocean (2003) (57)
Multi‐decadal shoaling of the euphotic zone in the southern sector of the California Current System (2009) (56)
Enhanced nitrate fluxes and biological processes at a frontal zone in the southern California current system (2012) (56)
Improving plankton image classification using context metadata (2019) (55)
Cross-shore transport variability in the California Current: Ekman upwelling vs. eddy dynamics (2013) (54)
OASIS in the sea: measurement of the acoustic reflectivity of zooplankton with concurrent optical imaging (1998) (52)
Euphausiids of the world ocean (2000) (51)
Covariability of zooplankton gradients with glider-detected density fronts in the Southern California Current System (2015) (44)
Timing is everything: Drivers of interannual variability in blue whale migration (2019) (43)
Using Lagrangian‐based process studies to test satellite algorithms of vertical carbon flux in the eastern North Pacific Ocean (2015) (42)
Variability in diatom contributions to biomass, organic matter production and export across a frontal gradient in the California Current Ecosystem (2015) (42)
Autonomous Ocean Measurements in the California Current Ecosystem (2013) (41)
Seasonal growth and lipid storage of the circumglobal, subantarctic copepod, Neocalanus tonsus (Brady) (1989) (39)
CCE IV: El Niño-related zooplankton variability in the southern California Current System (2018) (37)
On the determination of zooplankton lipid content and the occurrence of gelatinous copepods (1997) (37)
Multi-decadal variations in stable N isotopes of California Current zooplankton (2012) (36)
Resilience and stability of a pelagic marine ecosystem (2016) (36)
Size fractionation of phytoplankton as an estimate of food available to herbivores1 (1982) (35)
Estimation of mortality for stage-structured zooplankton populations: What is to be done? (2012) (35)
The interrelationship of copepod fecundity and mortality (1996) (35)
COMPARATIVE ZOOPLANKTON SAMPLING EFFICIENCY OF A RING NET AND BONGO NET WITH COMMENTS ON POOLING OF SUBSAMPLES (2002) (35)
Relationship of predation potential to mortality of Calanus finmarchicus on Georges Bank, northwest Atlantic (2008) (35)
CCE V: Primary production, mesozooplankton grazing, and the biological pump in the California Current Ecosystem: Variability and response to El Niño (2018) (34)
Mystery behind Hitchcock's birds (2012) (34)
Multi‐decadal variations in calcareous holozooplankton in the California Current System: Thecosome pteropods, heteropods, and foraminifera (2009) (33)
Spatial differences in mortality of Calanus pacificus within the California Current System (2008) (32)
ANALYSIS OF THE PATTERNS OF DISTRIBUTION OF ZOOPLANKTON AGGREGATIONS FROM AN ACOUSTIC DOPPLER CURRENT PROFILER (1989) (31)
Large Phaeodaria in the twilight zone: Their role in the carbon cycle (2018) (29)
Epipelagic and mesopelagic fishes in the southern California Current System: Ecological interactions and oceanographic influences on their abundance (2014) (29)
Astaxanthin in Calanus pacificus: Assessment of pigment-based measures of omnivory (1996) (29)
The Importance of Mesozooplankton Diel Vertical Migration for Sustaining a Mesopelagic Food Web (2019) (29)
The Significance of Giant Phaeodarians (Rhizaria) to Biogenic Silica Export in the California Current Ecosystem (2018) (28)
Climate-ecosystem change off southern California: Time-dependent seabird predator-prey numerical responses (2015) (28)
ADVECTION AND ZOOPLANKTON FITNESS (1998) (28)
Integrated molecular and morphological biogeography of the calanoid copepod family Eucalanidae (2010) (28)
Climate impacts on zooplankton population dynamics in coastal marine ecosystems (2013) (27)
Composition and potential grazing impact of salp assemblages off Baja California during the 1997-1999 El Niño and La Nina (2006) (27)
Dynamic variability of biogeochemical ratios in the Southern California Current System (2014) (27)
Body size dependence of euphausiid spatial patchiness (2010) (27)
CCE1: Decrease in the frequency of oceanic fronts and surface chlorophyll concentration in the California Current System during the 2014–2016 northeast Pacific warm anomalies (2018) (26)
The Roles of Suspension-Feeding and Flux-Feeding Zooplankton as Gatekeepers of Particle Flux Into the Mesopelagic Ocean in the Northeast Pacific (2019) (26)
The morphology of euphausiid mandibles used to assess selective predation by blue whales in the southern sector of the California Current System (2018) (25)
Vertical niche definition of test-bearing protists (Rhizaria) into the twilight zone revealed by in situ imaging (2019) (25)
Sonar estimates of daytime activity levels of Euphausia pacifica in Saanich Inlet (1999) (24)
Climate‐mediated changes in marine ecosystem regulation during El Niño (2018) (24)
Optical effect on the nitracline in a coastal upwelling area (2007) (24)
Changes in zooplankton habitat, behavior, and acoustic scattering characteristics across glider-resolved fronts in the Southern California Current System (2015) (23)
Do inverse ecosystem models accurately reconstruct plankton trophic flows? Comparing two solution methods using field data from the California Current (2012) (23)
Modeling the effects of coastal wind- and wind-stress curl-driven upwellings on plankton dynamics in the Southern California current system (2012) (22)
Quantifying California current plankton samples with efficient machine learning techniques (2015) (21)
The Carbon:234Thorium ratios of sinking particles in the California current ecosystem 1: relationships with plankton ecosystem dynamics (2019) (21)
Use of glider-class acoustic Doppler profilers for estimating zooplankton biomass (2012) (21)
Egg strings in Euchirella pseudopulchra (Aetideidae) and comments on constraints on egg brooding in planktonic marine copepods (1998) (21)
Investigating Particle Size-Flux Relationships and the Biological Pump Across a Range of Plankton Ecosystem States From Coastal to Oligotrophic (2019) (19)
Larval morphology and development of Neocalanus tonsus, Calanoides macrocarinatus, and Calanus australis (Copepoda: Calanoida) in the laboratory (1988) (18)
Large Marine Ecosystems of the North Atlantic: Changing States and Sustainability (2003) (17)
The state of California current, 2001 – 2002 : will the Californa current system keep its cool, or is El Niño coming? (2002) (15)
Description of a New Species of Strombidinopsidae (Ciliophora: Choreotrichida) from Coastal Waters of Southern California, U.S.A. (1991) (15)
A sea of tentacles: optically discernible traits resolved from planktonic organisms in situ (2019) (15)
Euphausiid spatial displacements and habitat shifts in the southern California Current System in response to El Niño variability (2021) (14)
Effects of chemical preservation on bulk and amino acid isotope ratios of zooplankton, fish, and squid tissues. (2019) (14)
Introduction to CCE-LTER: Responses of the California Current Ecosystem to climate forcing (2015) (12)
Zooglider-Based Measurements of Planktonic Foraminifera in the California Current System (2019) (12)
A comparison between Zooglider and shipboard net and acoustic mesozooplankton sensing systems (2019) (12)
ENSO impacts on ecosystem indicators in the California Current System (2017) (12)
CCEIII: Persistent functional relationships between copepod egg production rates and food concentration through anomalously warm conditions in the California Current Ecosystem (2018) (12)
Egg-brooding, body size and predation risk in planktonic marine copepods (1999) (11)
AQUATIC RESEARCH IN THE U.S. LTER NETWORK (2008) (11)
On the sensitivity of plankton ecosystem models to the formulation of zooplankton grazing (2021) (11)
Machine learning techniques to characterize functional traits of plankton from image data (2022) (10)
The euphausiid prey field for blue whales around a steep bathymetric feature in the southern California current system (2018) (10)
Community Trait Distribution Across Environmental Gradients (2018) (10)
Frontogenesis and the Creation of Fine‐Scale Vertical Phytoplankton Structure (2019) (9)
Immunochemical recognition of oligotrich ciliates (1992) (9)
Biogeochemical Anomalies at Two Southern California Current System Moorings During the 2014–2016 Warm Anomaly‐El Niño Sequence (2019) (8)
Hyperiid amphipods as indicators of climate change in the California Current (2020) (8)
Introduction to collection of papers on the response of the southern California Current Ecosystem to the Warm Anomaly and El Niño, 2014–16 (2018) (8)
COMPARISON OF LONG-TERM TRENDS OF ZOOPLANKTON FROM TWO MARINE ECOSYSTEMS ACROSS THE NORTH PACIFIC: NORTHEASTERN ASIAN MARGINAL SEA AND SOUTHERN CALIFORNIA CURRENT SYSTEM (2014) (7)
A free-drifting mimic of vertically migrating zooplankton (1999) (7)
A multivariate analysis of planktonic interactions in the eastern tropical North Pacific (1982) (6)
Time lags: insights from the U.S. Long Term Ecological Research Network (2021) (5)
Errors associated with compound specific δ15N analysis of amino acids in preserved fish samples purified by high pressure liquid chromatography (2019) (5)
Cross‐Shore Flow and Implications for Carbon Export in the California Current Ecosystem: A Lagrangian Analysis (2021) (5)
Marine Pelagic Ecosystem Responses to Climate Variability and Change (2022) (5)
A global marine particle size distribution dataset obtained with the Underwater Vision Profiler 5 (2022) (5)
Recommendations for interpreting zooplankton metabarcoding and integrating molecular methods with morphological analyses (2021) (4)
The underwater glider Spray: Observations around the world (2009) (4)
Zooglider‐measured association of zooplankton with the fine‐scale vertical prey field (2021) (3)
Long-term trends in ecological systems: an introduction to cross-site comparisons and relevance to global change studies (2013) (2)
Body size‐ and season‐dependent diel vertical migration of mesozooplankton resolved acoustically in the San Diego Trough (2021) (2)
Relative exposure to microplastics and prey for a pelagic forage fish (2022) (2)
Surface Ocean CO2 Atlas (SOCAT) V5 (2017) (2)
Fear and loathing in the pelagic: How the seascape of fear impacts the biological carbon pump (2022) (2)
Timing is everything: Drivers of interannual variability in blue whale migration (2020) (2)
Predation on planktonic protists assessed by immunochemical assays (2020) (1)
Predictive Relationships for pH and Carbonate Saturation in the Southern California Current System Using Oxygen and Temperature Data (2010) (1)
The California Undercurrent as a Source of Upwelled Waters in a Coastal Filament (2021) (1)
Development of Thysanopoda Egregia (Euphausiacea) Furciliae and Early Juvenile (2013) (1)
Resource-satiated population growth of the copepod Pseudocalanus sp. (2020) (1)
Comparison of long-term trends of zooplankton from two marine ecosystems across the North Pacific (2012) (1)
Zooplankton time series at station Point B in 1982 (2010) (0)
Zooplankton time series at station Point B in 1999 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1973 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1983 (2010) (0)
Time series of ZOOSCAN images and results of zooplankton samples at Villefranche from 1966 to 2003 (2010) (0)
Zooplankton time series at station Point B in 1969 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1988 (2010) (0)
Zooplankton time series at station Point B in 1998 with links to raw data files (2009) (0)
In‐situ acousto‐optical imaging of zooplankton with the OASIS system (1997) (0)
Teeming tunicate bloom (2012) (0)
Cross-Site Comparisons of Ecological Responses to Climate and Climate-Related Drivers (2013) (0)
Zooplankton time series at station Point B in 1981 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1985 (2010) (0)
Zooplankton time series at station Point B in 1971 (2010) (0)
LTER Synthesis Working Group: State Changes and Threshold Dynamics (2011) (0)
Zooplankton time series at station Point B in 1978 with links to raw data files (2009) (0)
HORIZONS Trait-based approaches to zooplankton communities (2013) (0)
Zooplankton time series at station Point B in 1972 (2010) (0)
Zooplankton time series at station Point B in 1992 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1995 (2010) (0)
Zooplankton time series at station Point B in 1970 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1968 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1996 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 2000 (2010) (0)
15N/14N Variation in CalCOFI Zooplankton: A 51 year history of Marine Nitrogen Dynamics and Climate Variability off Central California (2003) (0)
Zooplankton time series at station Point B in 1971 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 2000 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 2002 (2010) (0)
Zooplankton time series at station Point B in 1974 (2010) (0)
Zooplankton time series at station Point B in 1969 (2010) (0)
Zooplankton time series at station Point B in 1993 with links to raw data files (2009) (0)
Décima, Moira, Mark D. Ohman, and Alex De Robertis. Body size dependence of euphausiid spatial patchiness. Limnol. Oceanogr., 55(2), 2010, 777–788 (2010) (0)
Zooplankton time series at station Point B in 1990 (2010) (0)
Zooplankton time series at station Point B in 1975 (2010) (0)
Foreword: Proceedings from The 13th International Conference on Copepoda (2018) (0)
Zooplankton time series at station Point B in 1968 (2010) (0)
Zooplankton time series at station Point B in 1994 (2010) (0)
Zooplankton time series at station Point B in 1997 with links to raw data files (2009) (0)
OP-ICES190182 1..14 (2019) (0)
Zooplankton time series at station Point B in 1985 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1967 (2010) (0)
Zooplankton time series at station Point B in 1979 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1982 with links to raw data files (2009) (0)
Time series of physical oceanography and carbon dioxide measurements at mooring site CCE2_121W_34N - 316420130412 (2017) (0)
Zooplankton time series at station Point B in 1978 (2010) (0)
Zooplankton time series at station Point B in 1984 (2010) (0)
Zooplankton time series at station Point B in 1990 with links to raw data files (2009) (0)
Forecasting ENSO impacts on marine ecosystems of the US West Coast: A joint US CLIVAR and OCB workshop report, 2019-1 (2019) (0)
Zooplankton time series at station Point B in 1984 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1991 (2010) (0)
Zooplankton time series at station Point B in 2001 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1966 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1998 (2010) (0)
Zooplankton time series at station Point B in 1996 (2010) (0)
Zooplankton time series at station Point B in 1986 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1999 (2010) (0)
Physical and Biogeochemical Variability of Upwelling Events Measured by Long-Term, Multi-Disciplinary Moorings in the California Current System (2016) (0)
Zooplankton time series at station Point B in 1979 (2010) (0)
Zooplankton time series at station Point B in 1977 with links to raw data files (2009) (0)
Use of multi-disciplinary mooring data to extend intermittent OA observations from ship surveys (2012) (0)
Multidecadal changes in ocean transparency: Decrease in a coastal upwelling region and increase offshore (2023) (0)
Using a Lagrangian particle tracking model to evaluate impacts of El Niño-related advection on euphausiids in the southern California Current System (2022) (0)
Atlas of marine zooplankton. Straits of Magellan: Copepods (M. G. Mazzocchi, G. Zagami, A. Ianora, L. Guglielmo, N. Crescenti, and J. Hure) (1996) (0)
Zooplankton time series at station Point B in 1980 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1972 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1992 (2010) (0)
Zooplankton time series at station Point B in 1967 with links to raw data files (2010) (0)
Density-dependent egg mortality in Calanus finmarchicus (2001) (0)
Zooplankton time series at station Point B in 2003 (2010) (0)
Community Trait Distribution Across Environmental Gradients (2018) (0)
Zooplankton time series at station Point B in 1976 with links to raw data files (2010) (0)
Maximum ingestion and maximum clearance rate of Euphausia pacificus determined experimentally (2014) (0)
Time series of physical oceanography and carbon dioxide measurements at mooring site CCE2_121W_34N - 316420110306 (2017) (0)
Zooplankton time series at station Point B in 1989 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1973 (2010) (0)
Basin-scale SST and Chl-a anomalies in the North Pacific in 2014-2015 (2016) (0)
Ocean Zooglider: an autonomous vehicle for optical and acoustic sensing of zooplankton and suspended particles (2021) (0)
Zooplankton time series at station Point B in 1974 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1987 (2010) (0)
Zooplankton time series at station Point B in 1994 with links to raw data files (2009) (0)
Climate change effects on planktonic ecosystems: a five decade perspective from CalCOFI (2003) (0)
Zooplankton time series at station Point B in 1970 (2010) (0)
Zooplankton time series at station Point B in 2003 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1977 (2010) (0)
Zooplankton time series at station Point B in 1983 with links to raw data files (2009) (0)
Title: Investigation of the trophic ecology and flexibility of larvae sardine and anchovy, its relationship to growth, feeding opportunities and recruitment success, and implementation in stock assessment. Principle Investigator: (2014) (0)
Zooplankton time series at station Point B in 1966 (2010) (0)
Zooplankton time series at station Point B in 1988 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1991 with links to raw data files (2009) (0)
Erratum (2018) (0)
Zooplankton time series at station Point B in 1981 (2010) (0)
Zooplankton time series at station Point B in 1995 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1993 (2010) (0)
ANALYSIS OF THE PAllERNS OF DISTRIBUTION OF ZOOPLANKTON AGGREGATIONS FROM AN ACOUSTIC DOPPLER CURRENT PROFILER (2003) (0)
Special Issue—Scripps Cent ennial (2003) (0)
Zooplankton time series at station Point B in 1987 with links to raw data files (2009) (0)
Carbon sequestration by multiple biological pump pathways in a coastal upwelling biome (2023) (0)
Zooplankton time series at station Point B in 2002 with links to raw data files (2009) (0)
Zooplankton time series at station Point B in 1975 with links to raw data files (2010) (0)
Zooplankton time series at station Point B in 1976 (2010) (0)
Observations of the 2014 warm anomaly in the Southern California Current (2016) (0)

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