Role of eddy pumping in enhancing primary production in the ocean

Falkowski, Paul G.; Ziemann, David A.; Kolber, Zbigniew; Bienfang, Paul K.

doi:10.1038/352055a0

Cited by 581 publications

(387 citation statements)

References 14 publications

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“…Thus, similar to other regions of the world oceans (e.g. Falkowski et al 1991;Raj, Peter, and Pushpadas 2010;Gaube et al 2013), mesoscale eddies are important to the biology and fisheries of the Lofoten Basin. The above-mentioned importance of mesoscale eddies in the Lofoten Basin underlines the importance of monitoring it.…”

Section: Introductionmentioning

confidence: 89%

Monitoring the mesoscale eddies of the Lofoten Basin: importance, progress, and challenges

Raj¹,

Halo

2016

International Journal of Remote Sensing

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The Lofoten Basin is a 'hot spot' of intense mesoscale eddy activity in the Nordic Seas. The mesoscale eddies of the Lofoten Basin can be coupled to the heat transport, local climate, and fisheries of the region. During the past two decades, the European satellite missions European Remote Sensing (ERS) satellite and Environmental Satellite (ENVISAT) have played a major part in delivering continuous altimeter measurements over the Lofoten Basin. In recent years, automated eddy detection and tracking methods have revolutionized the long-term monitoring of eddies in the Lofoten Basin from the gridded altimeter data.

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Section: Introductionmentioning

confidence: 89%

Monitoring the mesoscale eddies of the Lofoten Basin: importance, progress, and challenges

Raj¹,

Halo

2016

International Journal of Remote Sensing

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“…lifting cyclones (Falkowski et al, 1991, indicated as black circle in Figure 1b) has been challenged to be a major player (Oschlies, 2002), and multiple other mechanisms have been proposed how eddies may affect phytoplankton biomass. These include a modification of vertical mixing through changes of stratification (wiggly lines in Figure 1b) and eddy current-wind interactions causing thermocline displacements (eddy swirl currents and winds are indicated as black and thick white arrows in Figure 1b), resulting in modifications of nutrient supply and light exposure of phytoplankton (e.g., Llido, 2005;McGillicuddy 5 et al, 2007;Mahadevan et al, 2008;Siegel et al, 2011;Xiu et al, 2011;Lehahn et al, 2011;Boyd et al, 2012;Mahadevan et al, 2012;Dufois et al, 2016).…”

Section: Monopolementioning

confidence: 99%

Imprint of Southern Ocean eddies on chlorophyll

Frenger

Münnich

Gruber

2018

Preprint

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Abstract. Although mesoscale ocean eddies are ubiquitous in the Southern Ocean, their spatial and seasonal association with phytoplankton has to date not been quantified in detail. To this end, we identify over 100,000 eddies in the Southern Ocean and determine the associated phytoplankton biomass anomalies using satellite-based chlorophyll-a (Chl) as a proxy. The mean eddy associated Chl anomalies (δChl) exceed ±10% over wide regions. The structure of these anomalies is largely zonal, with cyclonic, thermocline lifting, eddies having positive anomalies in the subtropical waters north of the Antarctic Circumpolar

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“…Cyclonic eddies are known to enhance nutrient enrichment and subsequent primary production in subtropical western boundary systems (Falkowski et al 1991, McGillicuddy et al 1998, Weeks et al 2010). In the case of the Capricorn Eddy, turbulent momentum exchanges with the strong southwardflowing EAC that flows along the edge of the GBR shelf produce a lateral stress on the mass of water in the lee of the Swain Reefs.…”

Section: Eddy Affinity and Offshore Foragingmentioning

confidence: 99%

Movements and habitat use of reef manta rays off eastern Australia: offshore excursions, deep diving and eddy affinity revealed by satellite telemetry

Jaine

Rohner

Weeks

et al. 2014

Mar. Ecol. Prog. Ser.

107

138

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Manta rays (Manta spp.) are plankton-feeding elasmobranchs classified as vulnerable to extinction on the IUCN Red List for Threatened Species. Despite increasing public and scientific interest in manta rays, major knowledge gaps concerning their movement ecology and dispersal capabilities remain. Here, we used pop-off satellite-linked archival transmitting tags to examine the horizontal movements and habitat use patterns of reef manta rays (M. alfredi) departing Lady Elliot Island in the southern Great Barrier Reef, Australia. Tagged individuals moved across a latitudinal range of 1035 km, travelling up to 2441 km in 118 d, diving down to 294.5 m and venturing up to 155 km off the continental shelf. Using random walk simulations, we showed that manta rays spent significantly more time in an offshore region characterised by the mesoscale cyclonic Capricorn Eddy than would be expected by chance. A behaviour-switching state-space model suggested this area to be an important foraging ground for M. alfredi off eastern Australia. We document the movements of 1 individual using offshore waters between 2 known aggregation regions off eastern Australia. Reef manta rays thus not only occupy inshore continental shelf and shelf-edge waters but also use offshore environments to exploit productive hotspots and travel long distances. Our findings highlight the need to better understand their movement ecology for effective management.

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Role of eddy pumping in enhancing primary production in the ocean

Cited by 581 publications

References 14 publications

Monitoring the mesoscale eddies of the Lofoten Basin: importance, progress, and challenges

Monitoring the mesoscale eddies of the Lofoten Basin: importance, progress, and challenges

Imprint of Southern Ocean eddies on chlorophyll

Movements and habitat use of reef manta rays off eastern Australia: offshore excursions, deep diving and eddy affinity revealed by satellite telemetry

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