Table 1. List of the 15 diatom species used in this study with their growth form classification, collection number, origin and average biovolume.
| Species | Growth form | Collection n° | Sampling place | Average biovolume (μm3) | |
|---|---|---|---|---|---|
| Craspedostauros britannicus | EPL | NCC195-06-2 | Pouliguen, Atlantic, | 1740 | |
| C.b. | France | ||||
| Entomoneis paludosa | NCC18-1 | Bay of Bourgneuf, Atlantic, | 1081 | ||
| E.p. | France | ||||
| Halamphora coffeaeformis | UTCC58 | Victoria, British Columbia, Pacific, | 126 | ||
| H.c. | Canada | ||||
| Navicula phyllepta | CCY9804 | Westerschelde estuary, North sea, | 218 | ||
| N.p. | The Netherlands | ||||
| Seminavis robusta | DCG 0105 | Progeny of strains from Veerse Meer, | 1790 | ||
| S.r. | The Netherlands | ||||
| Amphora sp. | EPM | Motile (EPM-M) | DCG 0493 | Rammekenshoek, North sea, | 39 |
| A. sp. | The Netherlands | ||||
| Nitzschia cf. frustulum | DCG 0494 | Rammekenshoek, North Sea, | 29 | ||
| N.f. | The Netherlands | ||||
| Planothidium delicatulum | NCC363 | Bay of Bourgneuf, Atlantic, | 242 | ||
| P.d. | France | ||||
| Biremis lucens | Non-motile (EPM-NM) | NCC360.2 | Bay of Bourgneuf, Atlantic, | 242 | |
| B.l. | France | ||||
| Fragilaria cf. subsalina | DCG 0492 | Rammekenshoek, North sea, | 165 | ||
| F.s. | The Netherlands | ||||
| Opephora sp. | DCG 0448 | Rammekenshoek, North Sea, | 86 | ||
| O. sp. | The Netherlands | ||||
| Plagiogramma staurophorum | DCG 0495 | Rammekenshoek, North sea, | ND | ||
| P. s. | The Netherlands | ||||
| Brockmanniella brockmannii | TYCHO | NCC161 | Bay of Bourgneuf, Atlantic, | 105 | |
| B.b. | France | ||||
| Cylindrotheca closterium | Collection | Ria de Aveiro, Atlantic, | 247 | ||
| C.c. | Univ. Aveiro | Portugal | |||
| Plagiogrammopsis vanheurckii | NCC186-2 | Bay of Bourgneuf, Atlantic, | 737 | ||
| P.v. | France | ||||
Abbreviations: CCY, Culture Collection Yerseke—The Netherlands; DCG: BCCM (Belgian Coordinated Collections of Microorganisms) Diatom Culture Collection hosted by Laboratory for Protistology & Aquatic Ecology, Ghent University, Belgium; EPL, epipelon; EPM, epipsammon; NCC, Nantes Culture Collection-France; ND, not determined; TYCHO, tychoplankton; UTCC, University of Toronto Culture Collection of Algae and Cyanobacteria—Canada (now the Canadian Phycological Culture Collection, CPCC).