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Arctic Marine Predators: A Study on Little Auks in Greenland (June-August 2005)

This study aims to quantify oceanographic differences between eastern and western Greenland Sea, determine trophic status of Little Auk populations, compare their predatory efficiencies, and examine breeding strategies and adult survival. The research will enhance understanding of Arctic marine predators' response to climate change. Various professionals are involved, led by Ann Harding and David Grémillet. At-sea work is carried out by Eric Brossier, France Piczon du Sel, Heli Rutti, and Jozik Wiktor Jr. Data is gathered through sampling campaigns covering over 500 km with 36 CTD stations and 25 plankton tows.

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Arctic Marine Predators: A Study on Little Auks in Greenland (June-August 2005)

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  1. AdaClim Greenland (June-August)2005

  2. AdaClim 2005 • Quantify differences in local oceanographic conditions between the two study sites (eastern and western Greenland Sea). • (2) Determine the trophic status of the two Little Auk(Alle alle) populations. • (3) Compare the predatory efficiencies of the two populations. • (4) Examine the breeding strategies and adult survival of Little Auks. • These trials will be a first step towards a better understanding of how Arctic marine predators reactto climate change. Goals

  3. People Colonywork • Ann Harding – project leader, Alaska Science Center • David Grémillet – CNRS Strasbourg • Maggie Hall – field assistant • Heli Rutti – field assistant • NathanQuinlan – field assistant At-sea work • Eric Brossier & France Piczon du Sel – Vagabondcrew. • Heli Rutti andJozik Wiktor jr. – wet job

  4. Sampling Campaign • Total distance : • over 500 km • Number of CTD stations : • 36 • Plankton tows : • 25

  5. Profile 1 - 6 D E P T H [m] Distance [km]

  6. Profile 25 - 33 D E P T H [m] Distance [km]

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