Holocene subfossil chironomid stratigraphy (Diptera: Chironomidae) in the sediment of Plešné Lake (the Bohemian Forest, Czech Republic): Palaeoenvironmental implications

Tátosová, Jolana; Veselý, Jozef; Stuchlı́k, Evžen

doi:10.2478/s11756-007-0076-6

Cited by 13 publications

(11 citation statements)

References 49 publications

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“…Heiri et al, 2011;Velle et al, 2005). In addition, it is tolerant of more acidic conditions (Brooks et al, 2007;Tátosová et al, 2006;Velle et al, 2005). E. Impar-type, C. lateralis-type and Monopelopia also reached fairly high relative abundances.…”

Section: Anthracinus-type E Impar-type and C Lateralis-typementioning

confidence: 99%

How warm? How wet? Hydroclimate reconstruction of the past 7500 years in northern Carpathians, Romania

Diaconu

Tóth

Lamentowicz

et al. 2017

Palaeogeography, Palaeoclimatology, Palaeoecology

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As natural and anthropogenic ecosystems are dependent on the local water availability, understanding past changes in hydroclimate represents a priority in research concerning past climate variability. Here, we used testate amoebae (TA) and chironomid analysis on a radiocarbon dated complex of small pond and peat bog sediment profiles from an ombrotrophic bog (Tăul Muced, northern Carpathians, Romania) to quantitatively determine major hydrological changes and July air temperature over the last 7500 years.Wet mire surface conditions with a pH between 2.3 and 4.5 were inferred for the periods 4500-2700 and 1300-400 cal yr BP by the occurrence of Archerella flavum, Amphitrema wrightianum and Hyalosphenia papilio. Dry phases in mire surface conditions and a pH between 3 2.5 and 5 were inferred for 7550-4500, 2750-1300 and 0 cal yr BP-present by the dominance of Nebela militaris, Difflugia pulex and Phryganella acropodia. The quantitative reconstruction of mean July temperature based on the chironomid communities suggests low summer temperatures for the periods 6550-5600, 4500-3150 and 1550-600 cal yr BP, while periods of slightly higher summer temperatures were observed for 5600-4500, 3150-1550 and 100 cal yr BP-present.There is a general good agreement between drier phases of the peat surface conditions with higher July temperature, suggesting that temperature may have been a controlling factor for water table fluctuation.Our quantitative reconstructions, among the first for central eastern Europe, show a relatively good agreement with other palaeohydrological studies from central eastern Europe, but contrast with others estimates from north-west Europe. Another important aspect of our study is that it provides valuable information on changes in local hydrology and the potential effect of the mean summer temperature over these changes.

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Section: Anthracinus-type E Impar-type and C Lateralis-typementioning

confidence: 99%

How warm? How wet? Hydroclimate reconstruction of the past 7500 years in northern Carpathians, Romania

Diaconu

Tóth

Lamentowicz

et al. 2017

Palaeogeography, Palaeoclimatology, Palaeoecology

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“…Of these species, only H. saliens survived the era of anthropogenic acidification (Vrba et al, 2003). Larvae of Chaoborus, an efficient invertebrate predator capable of suppressing open-water Crustacea in fishless lakes , have not occurred in the Plešné Lake, as their remains (mandibles) have never been found in the sediment (Tátosová et al, 2006).…”

Section: S395mentioning

confidence: 99%

The long-term succession of cladoceran fauna and palaeoclimate forcing: A 14,600-year record from Plešné Lake, the Bohemian Forest

et al. 2006

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A sediment record of cladoceran remains was analysed in a 543 cm long core from Plešné jezero (Plešné Lake), the Bohemian Forest, Czech Republic. The core covered the time period from the Oldest Dryas to the present. Littoral and benthic Cladocera included 11 species of the family Chydoridae while three species (Bosmina longispina, Daphnia cf. pulicaria and D. cf. longispina) lived in the open water. Remains of Alona quadrangularis and Chydorus sphaericus occurred in the oldest sediment layers from the beginning of the Bølling chronozone. Bosmina longispina and Daphnia cf. pulicaria appeared about 400 years later. Inorganic sediment accumulated at a relatively high rate of ∼90 mg cm −2 yr −1 at that time, diluting cladoceran remains and organic matter. Remains of Cladocera accumulated at 0.1 to 0.01 of the Holocene rate, making it difficult to observe effects of climate variation on the species structure of Cladocera in the Late-Glacial. Production of remains increased after warming during the Younger Dryas-Preboreal transition at ∼11.6 kyr BP, and the proportion of littoral species increased. The most important change in cladoceran fauna occurred at ∼10.5 kyr BP and culminated with afforestation of the catchment around 10.3 kyr BP. The domination of Bosmina longispina lasted for ∼250 years. The afforestation occurred concurrently with a decrease in lake water pH. Bosmina longispina and Daphnia cf. pulicaria disappeared, production of cladoceran remains decreased, but biodiversity increased. Planktonic Cladocera were represented by Daphnia cf. longispina during most of the rest of the Holocene. The production of Cladocera never reached the Preboreal level. Since ∼5 cal. kyr BP, the inferred pH continuously decreased. The final decline was likely caused by cooling during the Little Ice Age and by sulphur emissions from ore smelting. The recent acidification of lake water and impoverishment of aquatic fauna was brought about by emissions of sulphur and nitrogen compounds in the 20 th century.

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“…Details on the historical development of cladocerans and chironomids in the lake are given by PRAŽÁKOVÁ et al (2006) andTÁTOSOVÁ et al (2006), respectively. The recent biological status of the lake is evaluated by NEDBALOVÁ et al (2006).…”

Section: Study Sitementioning

confidence: 99%

Element fluxes in watershed-lake ecosystems recovering from acidification: Plešné Lake, the Bohemian Forest, 2001–2005

et al. 2006

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Fluxes of major ions and nutrients were measured in the watershed-lake ecosystem of a strongly acidified lake, Plešné jezero (Plešné Lake), in the Czech Republic in hydrological years from 2001 through 2005. The lake is situated in a Norway spruce forest and has a steep watershed between elevations of 1090 and 1378 m. The average water input and output from the ecosystem was 1372 mm and 1157 mm (37 L km −2 s −1 ), respectively, and the water residence time averaged 306 days. Despite ecosystem recovery from acidification occurring since the late 1980s, the Plešné watershed was an average net source of 25 mmol SO ). Photochemical liberation from organic complexes was an additional in-lake source of Ali. The net in-lake retention or removal of total phosphorus, total nitrogen, and silica were on average 50%, 27%, and 23%, respectively. The lake was a net source of NH + 4 due to a cease in nitrification (pH < 5) and from NH + 4 production by dissimilation exceeding its removal by assimilation.

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Holocene subfossil chironomid stratigraphy (Diptera: Chironomidae) in the sediment of Plešné Lake (the Bohemian Forest, Czech Republic): Palaeoenvironmental implications

Cited by 13 publications

References 49 publications

How warm? How wet? Hydroclimate reconstruction of the past 7500 years in northern Carpathians, Romania

How warm? How wet? Hydroclimate reconstruction of the past 7500 years in northern Carpathians, Romania

The long-term succession of cladoceran fauna and palaeoclimate forcing: A 14,600-year record from Plešné Lake, the Bohemian Forest

Element fluxes in watershed-lake ecosystems recovering from acidification: Plešné Lake, the Bohemian Forest, 2001–2005

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