GLORIA — GEOMAR Library Ocean Research Information Access

1

Book

Depositional environments and multiple forcing factors at the South China Sea's northern shelf (2013)

Harff, Jan ; Leipe, Thomas ; Waniek, Joanna J.

Coconut Creek, FL : Coastal Education and Research Foundation

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Type of Medium: Book

Pages: 90 S. , Ill., graph. Darst., Kt.

Series Statement: Journal of coastal research 66

URL: https://www.gbv.de/dms/tib-ub-hannover/776044249.pdf

Language: English

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GEOMAR CATALOGUE

Link to Library Catalog

2

Unknown

Cruise report RV Poseidon Cruise No. 383 [POS383], from 20.04.2009 to 04.05.2009, Ponta Delgad (Acores) - Funchal (Madeira) (2009)

Waniek, Joanna

Leibniz Institut für Ostseeforschung Warnemünde

In: Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 27 pp.

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Publication Date: 2015-02-17

Description: Biogeochemical properties of the upper water column in the Madeira Basin especially within the Azores Front

Type: Report , NonPeerReviewed

Format: text

DOI: 10.2312/cr_po383

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OceanRep: Report - Cruise Report

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3

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Cruise report RV Poseidon Cruise No. 459 [POS459], from 18.09.2013 to 02.10.2013, Vigo (Spain) - Funchal (Portugal) (2013)

Waniek, Joanna

Leibniz Institut für Ostseeforschung Warnemünde

In: Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 24 pp.

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Publication Date: 2015-02-13

Description: Trials of pressure neutral system (DNS) within the Azores frontal region.

Type: Report , NonPeerReviewed

Format: text

DOI: 10.2312/cr_po459

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OceanRep: Report - Cruise Report

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4

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Cruise report RV Poseidon Cruise No. 357 [POS357], from 05.09.2007 to 27.09.2007, Rostock (Germany) - Rostock (Germany) (2008)

Waniek, Joanna

Leibniz Institut für Ostseeforschung Warnemünde

In: Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 23 pp.

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Publication Date: 2015-02-18

Description: Project: BaTRE- Baltic Sea Tracer Release Experiment

Type: Report , NonPeerReviewed

Format: text

DOI: 10.2312/cr_po357

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OceanRep: Report - Cruise Report

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5

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2. Wochenbericht POS521 (2018)

Waniek, Joanna

Leibniz Institut für Ostseeforschung Warnemünde

In: Leibniz Institut für Ostseeforschung Warnemünde, Rostock, Germany, 1 pp.

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Publication Date: 2018-04-03

Description: Las Palmas - Malaga (19.03-25.03.2018)

Type: Report , NonPeerReviewed

Format: text

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OceanRep: Report - Weekly report

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6

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Spring coccolithophore production and dispersion in the temperate eastern North Atlantic Ocean (2011)

Schiebel, Ralf ; Brupbacher, Ursula ; Schmidtko, Sunke ; [et al.]

AGU (American Geophysical Union)

In: Journal of Geophysical Research: Oceans, 116 (C8). C08030.

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Publication Date: 2018-01-19

Description: Production and dispersion of coccolithophores are assessed within their ecologic and hydrographic context across enhanced spring chlorophyll production in the surface eastern North Atlantic. Within a 4 day period from 12 to 16 March 2004, a N-S transect from 47 degrees N to 33 degrees N was sampled along 20 degrees W. Water samples from defined depths down to 200 m were analyzed for coccolithophores from 0.45 mu m polycarbonate filters by scanning electron microscopy. At 47 degrees N coccolithophores flourished when euphotic conditions allowed new production at deep mixing, low temperatures, and high nutrient concentrations. Emiliania huxleyi flourished at high turbulence during an early stage of the phytoplankton succession and contributed half of the total coccolithophore assemblage, with up to 150 x 10(3) cells L(-1) and up to 12 x 10(9) cells m(-2) when integrated over the upper 200 m of the water column. Maximum chlorophyll concentrations occurred just north of the Azores Front, at 37 degrees N-39 degrees N, at comparatively low numbers of coccolithophores. To the south, at 35 degrees N-33 degrees N, coccolithophores were abundant within calm and stratified Subtropical Mode Waters, and E. huxleyi was the dominant species again. Although the cell densities of coccolithophores observed here remained below those typical of plankton blooms visible from satellite images, the depth-integrated total mass makes them significant producers of calcite and contributors to the total carbon sedimentation at a much wider range of ecological conditions during late winter and early spring than hitherto assumed.

Type: Article , PeerReviewed

Format: text

DOI: 10.1029/2010JC006841

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Integrating conventional microscopy and molecular analysis to analyse the abundance and distribution of four Calanus congeners in the North Atlantic (2005)

Lindeque, P. K. ; Hay, S. J. ; Heath, M. R. ; [et al.]

Oxford Univ. Press

In: Journal of Plankton Research, 28 (2). pp. 221-238.

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Publication Date: 2020-07-20

Description: Analysis of the demographic structure of Calanus species in the North Atlantic presents particular difficulties due to the overlapping spatial distributions of four main congeneric species (Calanus finmarchicus, Calanus helgolandicus, Calanus glacialis and Calanus hyperboreus). These species have similar morphologies, making microscopic discrimination only possible between some of the species at late copepodite or adult stages. However, molecular techniques now offer the possibility of screening significant numbers of specimens and unambiguously identifying them to species, regardless of developmental stage. Unfortunately, the processing rate of specimens by molecular methods is still too low to offer a realistic alternative to microscopy for analysis of samples from large field surveys. Here, we outline and test an approach involving the use of molecular methodology in conjunction with conventional microscopy to assess the species assignment of developmental stage abundances of Calanus congeners. Our study has highlighted many important methodological issues. First, it cannot be assumed that the species composition is homogeneous across the development stages; applying proportional species composition of adults to morphologically undistinguishable earlier development stages can result in error. The second important conclusion is that prosome length may be a highly unreliable discriminator of C. finmarchicus and C. glacialis

Type: Article , PeerReviewed

Format: text

DOI: 10.1093/plankt/fbi115

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OceanRep: Article in a Scientific Journal - peer-reviewed

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Integrating conventional microscopy and molecular analysis to analyse the abundance and distribution of four Calanus congeners in the North Atlantic (2005)

Lindeque, P. K. ; Hay, S. J. ; Heath, M. R. ; [et al.]

Oxford Univ. Press

In: Journal of Plankton Research, 28 (2). pp. 221-238.

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Publication Date: 2020-07-20

Description: Analysis of the demographic structure of Calanus species in the North Atlantic presents particular difficulties due to the overlapping spatial distributions of four main congeneric species (Calanus finmarchicus, Calanus helgolandicus, Calanus glacialis and Calanus hyperboreus). These species have similar morphologies, making microscopic discrimination only possible between some of the species at late copepodite or adult stages. However, molecular techniques now offer the possibility of screening significant numbers of specimens and unambiguously identifying them to species, regardless of developmental stage. Unfortunately, the processing rate of specimens by molecular methods is still too low to offer a realistic alternative to microscopy for analysis of samples from large field surveys. Here, we outline and test an approach involving the use of molecular methodology in conjunction with conventional microscopy to assess the species assignment of developmental stage abundances of Calanus congeners. Our study has highlighted many important methodological issues. First, it cannot be assumed that the species composition is homogeneous across the development stages; applying proportional species composition of adults to morphologically undistinguishable earlier development stages can result in error. The second important conclusion is that prosome length may be a highly unreliable discriminator of C. finmarchicus and C. glacialis.

Type: Article , PeerReviewed

Format: text

DOI: 10.1093/plankt/fbi115

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