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1

Katian prelude to the Hirnantian (Late Ordovician) mass extinction: a Baltic perspective

Dimitri Kaljo, Linda Hints, Olle Hints, Peep Männik, Tõnu Martma, Jaak Nõlvak

Journal:

Geological Journal

Year:

2011

Language:

english

File:

PDF, 931 KB

english, 2011

2

Distant ejecta from the Lockne marine-target impact crater, Sweden

Erik STURKELL, Jens ORMÖ, Jaak NÕLVAK, ÅSa WALLIN

Journal:

Meteoritics and Planetary Science

Year:

2000

Language:

english

File:

PDF, 1.42 MB

english, 2000

3

Lower and Middle Ordovician chitinozoans from Honghuayuan, South China: Biodiversity patterns and response to environmental changes

Liang, Yan, Hints, Olle, Luan, Xiaocong, Tang, Peng, Nõlvak, Jaak, Zhan, Renbin

Journal:

Palaeogeography, Palaeoclimatology, Palaeoecology

Year:

2018

Language:

english

File:

PDF, 11.93 MB

english, 2018

4

Upper Katian (Ordovician) bentonites in the East Baltic, Scandinavia and Scotland: geochemical correlation and volcanic source interpretation

KIIPLI, TARMO, DAHLQVIST, PETER, KALLASTE, TOIVO, KIIPLI, ENLI, NÕLVAK, JAAK

Journal:

Geological Magazine

Year:

2015

Language:

english

File:

PDF, 923 KB

english, 2015

5

Palaeokarst evidence for widespread regression and subaerial exposure in the middle Katian (Upper Ordovician) of Baltoscandia: Significance for global climate

Mikael Calner, Oliver Lehnert, Jaak Nõlvak

Journal:

Palaeogeography, Palaeoclimatology, Palaeoecology

Year:

2010

Language:

english

File:

PDF, 4.02 MB

english, 2010

6

Ordovician chitinozoan zones from Baltoscandia

Jaak Nõlvak, Yngve Grahn

Journal:

Review of Palaeobotany and Palynology

Year:

1993

Language:

english

File:

PDF, 9.39 MB

english, 1993

7

Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans

Liang, Yan, Wang, Guang-Xu, Servais, Thomas, Wu, Rong-Chang, Nõlvak, Jaak, Hints, Olle, Wei, Xin, Gong, Fang-Yi, Yan, Guan-Zhou

Journal:

Year:

2019

File:

PDF, 926 KB

2019

8

Palaeoenvironmental and biostratigraphical implications of selected Floian and Dapingian (Ordovician) chitinozoans of the South China Palaeoplate

Liang, Yan, Hints, Olle, Servais, Thomas, Luan, Xiao-Cong, Nõlvak, Jaak, Tang, Peng, Wu, Rong-Chang

Journal:

Year:

2018

Language:

english

File:

PDF, 2.57 MB

english, 2018

9

Inorganic and organic fertilizers impact the abundance and proportion of antibiotic resistance and integron-integrase genes in agricultural grassland soil

Nõlvak, Hiie, Truu, Marika, Kanger, Kärt, Tampere, Mailiis, Espenberg, Mikk, Loit, Evelin, Raave, Henn, Truu, Jaak

Journal:

Science of The Total Environment

Year:

2016

Language:

english

File:

PDF, 1.32 MB

english, 2016

10

Age constraints of the Hungshihyen Formation (Early to Middle Ordovician) on the western margin of the Yangtze Platform, South China: New insights from chitinozoans

Liang, Yan, Wang, Guang-Xu, Servais, Thomas, Wu, Rong-Chang, Nõlvak, Jaak, Hints, Olle, Wei, Xin, Gong, Fang-Yi, Yan, Guan-Zhou

Journal:

Year:

2019

Language:

english

File:

PDF, 926 KB

english, 2019

11

Chitinozoan dating of Ordovician impact events in Sweden and Estonia. A preliminary note

Grahn, Yngve, Nölvak, Jaak

Journal:

Geologiska Foereningan i Stockholm Foerhandlingar

Year:

1993

Language:

english

File:

PDF, 196 KB

english, 1993

12

Biostratigraphy and Taxonomy of Three-Dimensionally Preserved Nemagraptids from the Middle and Upper Ordovician of Baltoscandia

Jaak Nõlvak and Daniel Goldman

Journal:

Journal of Paleontology

Year:

2007

Language:

english

File:

PDF, 748 KB

english, 2007

13

CHITDB: a database for documenting and analysing diversification of Ordovician-Silurian chitinozoans in the Baltic region

Hints, Olle, Antonovitš, Liina, Bauert, Garmen, Nestor, Viiu, Nõlvak, Jaak, Tammekänd, Mairy

Journal:

Year:

2017

Language:

english

File:

PDF, 2.44 MB

english, 2017

14

Impact of Reed Canary Grass Cultivation and Mineral Fertilisation on the Microbial Abundance and Genetic Potential for Methane Production in Residual Peat of an Abandoned Peat Extraction Area

Espenberg, Mikk, Truu, Marika, Truu, Jaak, Maddison, Martin, Nõlvak, Hiie, Järveoja, Järvi, Mander, Ülo, Paz-Ferreiro, Jorge

Journal:

Year:

2016

Language:

english

File:

PDF, 1.93 MB

english, 2016

15

Early diversification of Ordovician chitinozoans on Baltica: New data from the Jägala waterfall section, northern Estonia

Nõlvak, Jaak, Liang, Yan, Hints, Olle

Journal:

Palaeogeography, Palaeoclimatology, Palaeoecology

Year:

2019

Language:

english

File:

PDF, 9.52 MB

english, 2019

16

Epipelagic chitinozoan biotopes map a steep latitudinal temperature gradient for earliest Late Ordovician seas: Implications for a cooling Late Ordovician climate

Thijs R.A. Vandenbroucke, Howard A. Armstrong, Mark Williams, Florentin Paris, Koen Sabbe, Jan A. Zalasiewicz, Jaak Nõlvak, Jacques Verniers

Journal:

Palaeogeography, Palaeoclimatology, Palaeoecology

Year:

2010

Language:

english

File:

PDF, 3.39 MB

english, 2010

17

Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western Latvia

Goldman, Daniel, Nõlvak, Jaak, Maletz, Jörg

Journal:

Year:

2015

Language:

english

File:

PDF, 3.31 MB

english, 2015

18

Elevated Air Humidity Changes Soil Bacterial Community Structure in the Silver Birch Stand

Truu, Marika, Ostonen, Ivika, Preem, Jens-Konrad, Lõhmus, Krista, Nõlvak, Hiie, Ligi, Teele, Rosenvald, Katrin, Parts, Kaarin, Kupper, Priit, Truu, Jaak

Journal:

Frontiers in Microbiology

Year:

2017

Language:

english

File:

PDF, 1.15 MB

english, 2017

19

Microbial community changes in TNT spiked soil bioremediation trial using biostimulation, phytoremediation and bioaugmentation

Nõlvak, Hiie, Truu, Jaak, Limane, Baiba, Truu, Marika, Cepurnieks, Guntis, Bartkevičs, Vadims, Juhanson, Jaanis, Muter, Olga

Journal:

Journal of Environmental Engineering and Landscape Management

Year:

2013

Language:

english

File:

PDF, 403 KB

english, 2013

20

Early Ordovician scolecodonts and chitinozoans from Tallinn, North Estonia

Olle Hints, Jaak Nõlvak

Journal:

Review of Palaeobotany and Palynology

Year:

2006

Language:

english

File:

PDF, 1.40 MB

english, 2006

21

Biodiversity patterns of Ordovician marine microphytoplankton from Baltica: Comparison with other fossil groups and sea-level changes

Olle Hints, Aurélien Delabroye, Jaak Nõlvak, Thomas Servais, Anneli Uutela, Åsa Wallin

Journal:

Palaeogeography, Palaeoclimatology, Palaeoecology

Year:

2010

Language:

english

File:

PDF, 3.09 MB

english, 2010

22

Characterization of bacterial communities in soil and sediment of a created riverine wetland complex using high-throughput 16S rRNA amplicon sequencing

Ligi, Teele, Oopkaup, Kristjan, Truu, Marika, Preem, Jens-Konrad, Nõlvak, Hiie, Mitsch, William J., Mander, Ülo, Truu, Jaak

Journal:

Ecological Engineering

Year:

2014

Language:

english

File:

PDF, 1.61 MB

english, 2014

23

New data on Ordovician stable isotope record and conodont biostratigraphy from the Viki reference drill core, Saaremaa Island, western Estonia

Hints, Olle, Martma, Tõnu, Männik, Peep, Nõlvak, Jaak, Põldvere, Anne, Shen, Yanan, Viira, Viive

Journal:

Year:

2014

Language:

english

File:

PDF, 683 KB

english, 2014

24

Late Ordovician carbon isotope trend in Estonia, its significance in stratigraphy and environmental analysis

Dimitri Kaljo, Linda Hints, Tõnu Martma, Jaak Nõlvak, Asta Oraspõld

Journal:

Palaeogeography, Palaeoclimatology, Palaeoecology

Year:

2004

Language:

english

File:

PDF, 717 KB

english, 2004

25

Characterization of the bacterioplankton community and its antibiotic resistance genes in the Baltic Sea

Tiirik, Kertu, Nõlvak, Hiie, Oopkaup, Kristjan, Truu, Marika, Preem, Jens-Konrad, Heinaru, Ain, Truu, Jaak

Journal:

Biotechnology and Applied Biochemistry

Year:

2014

Language:

english

File:

PDF, 756 KB

english, 2014

26

The genetic potential of N2 emission via denitrification and ANAMMOX from the soils and sediments of a created riverine treatment wetland complex

Ligi, Teele, Truu, Marika, Oopkaup, Kristjan, Nõlvak, Hiie, Mander, Ülo, Mitsch, William J., Truu, Jaak

Journal:

Ecological Engineering

Year:

2015

Language:

english

File:

PDF, 777 KB

english, 2015

27

Biological interpretationand paleobiodiversity of a cryptic fossil group: The “chitinozoan animal”

Florentin Paris, Jaak Nõlvak

Journal:

Year:

1999

File:

PDF, 3.39 MB

1999

28

Upper Ordovician sequences of western Estonia

Mark T Harris, Peter M Sheehan, Leho Ainsaar, Linda Hints, Peep Männik, Jaak Nõlvak, Madis Rubel

Journal:

Palaeogeography, Palaeoclimatology, Palaeoecology

Year:

2004

Language:

english

File:

PDF, 806 KB

english, 2004

29

Bacterial community activity and dynamics in the biofilm of an experimental hybrid wetland system treating greywater

Truu, Marika, Oopkaup, Kristjan, Krustok, Ivo, Kõiv-Vainik, Margit, Nõlvak, Hiie, Truu, Jaak

Journal:

Environmental Science and Pollution Research

Year:

2018

Language:

english

File:

PDF, 1.41 MB

english, 2018

30

δ18O and REE contents of phosphatic brachiopods: a comparison between modern and lower Paleozoic populations

Christophe Lécuyer, Patricia Grandjean, Jean-Alix Barrat, Jaak Nolvak, Christian Emig, Florentin Paris, Michel Robardet

Journal:

Geochimica et Cosmochimica Acta

Year:

1998

Language:

english

File:

PDF, 310 KB

english, 1998

31

Effects of soil chemical characteristics and water regime on denitrification genes (nirS, nirK, and nosZ) abundances in a created riverine wetland complex

Ligi, Teele, Truu, Marika, Truu, Jaak, Nõlvak, Hiie, Kaasik, Ants, Mitsch, William J., Mander, Ülo

Journal:

Ecological Engineering

Year:

2014

Language:

english

File:

PDF, 900 KB

english, 2014

32

Evaluation of quantitative real-time PCR workflow modifications on 16S rRNA and tetA gene quantification in environmental samples

Hiie Nõlvak, Marika Truu, Jaak Truu

Journal:

Science of The Total Environment

Year:

2012

Language:

english

File:

PDF, 434 KB

english, 2012

33

Polar front shift and atmospheric CO2during the glacial maximum of the Early Paleozoic Icehouse

Thijs R. A. Vandenbroucke, Howard A. Armstrong, Mark Williams, Florentin Paris, Jan A. Zalasiewicz, Koen Sabbe, Jaak Nõlvak, Thomas J. Challands, Jacques Verniers, Thomas Servais and Jeffrey Kiehl

Journal:

Proceedings of the National Academy of Sciences

Year:

2010

Language:

english

File:

PDF, 1.37 MB

english, 2010

34

Differences in microbial community structure and nitrogen cycling in natural and drained tropical peatland soils

Espenberg, Mikk, Truu, Marika, Mander, Ülo, Kasak, Kuno, Nõlvak, Hiie, Ligi, Teele, Oopkaup, Kristjan, Maddison, Martin, Truu, Jaak

Journal:

Scientific Reports

Year:

2018

Language:

english

File:

PDF, 3.02 MB

english, 2018

35

Effect of pine bark on the biotransformation of trinitrotoluene and on the bacterial community structure in a batch experiment

Chusova, Olga, Nolvak, Hiie, Nehrenheim, Emma, Truu, Jaak, Odlare, Monica, Oopkaup, Kristjan, Truu, Marika

Journal:

Environmental Technology

Year:

2014

Language:

english

File:

PDF, 305 KB

english, 2014

36

Chitinozoan biostratigraphy in the Haljala Regional Stage, Upper Ordovician: a high-resolution approach from NE Estonia

Bauert, Garmen, Nõlvak, Jaak, Bauert, Heikki

Journal:

Year:

2014

Language:

english

File:

PDF, 932 KB

english, 2014

37

Morphological variation suggests that chitinozoans may be fossils of individual microorganisms rather than metazoan eggs

Liang, Yan, Bernardo, Joseph, Goldman, Daniel, Nõlvak, Jaak, Tang, Peng, Wang, Wenhui, Hints, Olle

Journal:

Proceedings Biological Sciences

Year:

2019

Language:

english

File:

PDF, 809 KB

english, 2019

38

Dynamics of Bacterial Community Abundance and Structure in Horizontal Subsurface Flow Wetland Mesocosms Treating Municipal Wastewater

Oopkaup, Kristjan, Truu, Marika, Nõlvak, Hiie, Ligi, Teele, Preem, Jens-Konrad, Mander, Ülo, Truu, Jaak

Journal:

Year:

2016

Language:

english

File:

PDF, 3.62 MB

english, 2016

39

Dynamics of antibiotic resistance genes and their relationships with system treatment efficiency in a horizontal subsurface flow constructed wetland

Nõlvak, Hiie, Truu, Marika, Tiirik, Kertu, Oopkaup, Kristjan, Sildvee, Teele, Kaasik, Ants, Mander, Ülo, Truu, Jaak

Journal:

Science of The Total Environment

Year:

2013

Language:

english

File:

PDF, 582 KB

english, 2013

40

BIOSTRATIGRAPHY AND TAXONOMY OF THREE-DIMENSIONALLY PRESERVED NEMAGRAPTIDS FROM THE MIDDLE AND UPPER ORDOVICIAN OF BALTOSCANDIA

NÕLVAK, JAAK, GOLDMAN, DANIEL

Journal:

Journal of Paleontology

Year:

2007

Language:

english

File:

PDF, 1.33 MB

english, 2007

41

Integrated Upper Ordovician–lower Silurian biostratigraphy of the Grötlingbo-1 core section, Sweden

Männik, Peep, Loydell, David K., Nestor, Viiu, Nõlvak, Jaak

Journal:

Year:

2015

Language:

english

File:

PDF, 1.47 MB

english, 2015

42

Impact of polyols on Oral microbiome of Estonian schoolchildren

Štšepetova, Jelena, Truu, Jaak, Runnel, Riina, Nõmmela, Rita, Saag, Mare, Olak, Jana, Nõlvak, Hiie, Preem, Jens-Konrad, Oopkaup, Kristjan, Krjutškov, Kaarel, Honkala, Eino, Honkala, Sisko, Mäkinen, Ka

Journal:

BMC Oral Health

Year:

2019

Language:

english

File:

PDF, 1.34 MB

english, 2019

43

Upper Middle to lower Upper Ordovician chitinozoans and conodonts from the Bliudziai-150 core, southern Lithuania

Stouge, Svend, Bauert, Garmen, Bauert, Heikki, Nõlvak, Jaak, Rasmussen, Jan A.

Journal:

Canadian Journal of Earth Sciences

Year:

2016

Language:

english

File:

PDF, 2.06 MB

english, 2016

44

Reduction of antibiotic resistome and integron-integrase genes in laboratory-scale photobioreactors treating municipal wastewater

Nõlvak, Hiie, Truu, Marika, Oopkaup, Kristjan, Kanger, Kärt, Krustok, Ivo, Nehrenheim, Emma, Truu, Jaak

Journal:

Year:

2018

Language:

english

File:

PDF, 2.34 MB

english, 2018

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