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Rare calciphilous diatoms from the genus Gomphonema (Bacillariophyta) in lotic waters of SE Poland

Teresa Noga
Teresa Noga
, 
Anita Poradowska
Anita Poradowska
, 
Łukasz Peszek
Łukasz Peszek
 oraz 
Mateusz Rybak
Mateusz Rybak
   | 13 mar 2018
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Article Category: Original research paper
Data publikacji: 13 mar 2018
Zakres stron: 27 - 40
Otrzymano: 23 cze 2017
Przyjęty: 08 wrz 2017
DOI: https://doi.org/10.1515/ohs-2018-0004
© 2018 Faculty of Oceanography and Geography, University of Gdańsk, Poland
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Location of the study sites where species from the Gomphonema genus were identified: A – Study area in SE Poland; SI – Sampling sites in the San River (1–7); S2 – Sampling sites in the Wołosaty stream and tributaries (1–9) in Bieszczady National Park; S3 – Sampling sites on the Wisłoka River and tributaries (1–23) in Magura National Park
Location of the study sites where species from the Gomphonema genus were identified: A – Study area in SE Poland; SI – Sampling sites in the San River (1–7); S2 – Sampling sites in the Wołosaty stream and tributaries (1–9) in Bieszczady National Park; S3 – Sampling sites on the Wisłoka River and tributaries (1–23) in Magura National Park

Figure 2

Examples of morphological variation in LM: Gomphonema cuneolus (A–Y); Gomphonema innocens (Z–AH); Gomphonema drutelingense (AI–AU). Scale bar = 10 μm
Examples of morphological variation in LM: Gomphonema cuneolus (A–Y); Gomphonema innocens (Z–AH); Gomphonema drutelingense (AI–AU). Scale bar = 10 μm

Figure 3

Examples of morphological variation in LM: Gomphonema lateripunctatum (A–Q); Gomphonema lippertii (R–AD); Gomphonema calcifugum (AE–AU). Scale bar = 10 μm
Examples of morphological variation in LM: Gomphonema lateripunctatum (A–Q); Gomphonema lippertii (R–AD); Gomphonema calcifugum (AE–AU). Scale bar = 10 μm

Figure 4

Gomphonema cuneolus SEM: external view of valve (A–E), internal view of valve (F); Gomphonema innocens SEM: external view of raphe (G–I), internal view of raphe (L). Scale bars = 5 μm except for B where scale bar = 10 μm and J & K where scale bar = 3 μm
Gomphonema cuneolus SEM: external view of valve (A–E), internal view of valve (F); Gomphonema innocens SEM: external view of raphe (G–I), internal view of raphe (L). Scale bars = 5 μm except for B where scale bar = 10 μm and J & K where scale bar = 3 μm

Figure 5

Gomphonema drutelingense: external view of valve (A–C), internal view of valve (D–I), Gomphonema lateripunctatum: external view of valve, and internal valve details (J–L). Scale bars = 10 μm except for G, H, I & L where scale bars = 5 μm and K where scale bar = 4 μm
Gomphonema drutelingense: external view of valve (A–C), internal view of valve (D–I), Gomphonema lateripunctatum: external view of valve, and internal valve details (J–L). Scale bars = 10 μm except for G, H, I & L where scale bars = 5 μm and K where scale bar = 4 μm

Figure 6

Scanning microscope micrographs of Gomphonema taxa: External valve view of G. lippertii (A & B); Internal valve view of G. lippertii (C–F); External valve view of G. calcifugum (G–K); Internal valve view of G. calcifugum (L). Scale bars = 10 μm except for D, E, G, H & L where scale bar = 5 μm
Scanning microscope micrographs of Gomphonema taxa: External valve view of G. lippertii (A & B); Internal valve view of G. lippertii (C–F); External valve view of G. calcifugum (G–K); Internal valve view of G. calcifugum (L). Scale bars = 10 μm except for D, E, G, H & L where scale bar = 5 μm

Physicochemical water parameters measured in the studied rivers and streams with values of medians (given in parentheses)

River/stream Temperature (°C) pH Conductivity (μS cm–1) O2 (mg l–1)
San 6.5–14.5 (7.5) 6.5–8.2 (7.8) 131–530 (141) no data
Wołosaty 5.5–12.2 (8.3) 6.4–8.8 (8.3) 78–278 (149) 10.2–11.4 (10.6)
Terebowiec 6.1–9.3 (8.3) 6.4–8.4 (8.2) 86–284 (140) 10.7–11.1 (10.9)
Rzeczyca 7.4–10.0 (7.8) 6.4–8.4 (7.4) 97–246 (157) 10.2–10.6 (10.2)
Wisłoka 8.8–16.5 (9.3) 6.5–9.6 (7.8) 92–402 (233) 8.6–12.3 (10.0)
Ryjak 11.3–12.5 (12.0) 6.0–7.6 (7.2) 96–406 (224) 9.6– 11.2 (10.0)
Wilsznia 10.7–14.0 (12.1) 6.1– 7.5 (7.2) 104–420 (293) 9.6–10.2 (9.9)
Kłopotnica 11.1–16.0 (13.4) 6.3–7.5 (7.1) 84–325 (290) 9.6–10.0 (9.8)
Krempna 9.8–14.8 (12.7) 6.3–8.6 (7.7) 161–530 (356) 7.4–11.7 (9.8)
Rzeszówka 11.6–12.0 (11.8) 6.0–8.4 (6.9) 103–315 (212) 9.0–11.0 (10.1)
Świerzówka 10.8–12.5 (11.2) 6.3–8.6 (7.0) 101–313 (209) 9.0–11.5 (10.5)
Zimna Woda 10.1–13.0 (12.1) 6.4–8.5 (7.3) 146–418 (245) 9.4–9.9 (9.5)
Baranie 10.3–15.9 (10.9) 6.3–8.5 (7.7) 78–307 (245) 9.2–9.7 (9.3)

Concentration of ions measured in the studied rivers and streams with values of medians (given in parentheses)

River/stream Cl– (mg l–1) SO42− $\begin{array}{} \rm SO_{4}\,^{2-} \end{array}$(mg l–1) NO3− $\begin{array}{} \rm NO_{3}\,^{-} \end{array}$ (mg l–1) PO43− $\begin{array}{} \rm PO_{4}\,^{3-} \end{array}$ (mg l–1) Ca2+(mg l–1)
San 0.8–3.4 (2.24) 11.4–24.9 (15.83) 1.0–2.9 (1.45) <0.001 46.4–47.3 (47.1)
Wołosaty 0.4–5.4 (0.88) 11.1–26.8 (14.68) 1.7–3.2 (2.18) <0.001–0.6 30.3–41.6 (36.75)
Terebowiec 0.4–5.6 (0.75) 12.5–27.2 (12.58) 2.0–2.9 (2.26) <0.001 32.4–35.3 (33.31)
Rzeczyca 0.6–5.3 (0.98) 16.3–33.3 (16.60) 1.8–3.2 (2.3) <0.001 38.8–39.7 (39.20)
Wisłoka 0.4–7.2 (5.7) 3.7–48.7 (29.7) < 0.1–5.3 (0.5) <0.001–4.2 (0.1) 23.3–62.5 (48.9)
Ryjak 0.1–7.0 (2.29) 2.5–30.8 (18.42) < 0.1–5.1 (0.1) 0.03–0.04 (0.01) 26.0–62.6 (40.89)
Wilsznia 0.3–5.8 (1.41) 3.4–28.4 (18.09) < 0.1–5.8 (0.12) <0.001–0.2 (<0.01) 15.8–58.1 (38.74)
Kłopotnica 0.4–8.5 (1.37) 4.3–51.1 (17.74) 0.4–7.2 (5.15) 0.01–0.02 (0.01) 13.4–39.8 (34.6)
Krempna 0.7–1.6 (1.14) 6.0–46.3 (16.15) < 0.1–5.4 (1.80) <0.001–0.07 (0.01) 33.7–76.4 (54.2)
Rzeszówka 0.8–1.2 (1.0) 10.1–27.3 (19.30) < 0.1–4.2 (0.85) 0.02–0.09 (0.03) 18.9–43.9 (33.5)
Świerzówka 0.5–1.2 (0.7) 10.1–27.6 (19.5) < 0.1–5.0 (0.95) 0.008–0.03 (0.01) 18.8–49.1 (42.3)
Zimna Woda 0.6–5.6 (3.35) 8.8–38.4 (24.73) 1.2–6.7 (1.4) 0.01–0.05 (0.02) 38.6–42.3 (40.07)
Baranie 0.7–4.9 (2.84) 7.1–24.0 (21.54) 0.6–10 (1.7) <0.001–0.02 (0.01) 12.4–41.1 (38.5)
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