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1

Growth limitation of Lemna minor due to high plant density

Steven M. Driever, Egbert H. van Nes, Rudi M.M. Roijackers

Journal:

Year:

2005

Language:

english

File:

PDF, 101 KB

english, 2005

2

Fast response of lake plankton and nutrients to river inundations on floodplain lakes

Frank C. J. M. Roozen, Edwin T. H. M. Peeters, Rudi Roijackers, Isabelle V. D. Wyngaert, Henk Wolters, Harm de Coninck, Bas W. Ibelings, Anthonie D. Buijse, Marten Scheffer

Journal:

River Research and Applications

Year:

2008

Language:

english

File:

PDF, 543 KB

english, 2008

3

Chrysophyceae from freshwater localities near Nijmegen, The Netherlands

R.M.M. Roijackers

Journal:

Year:

1981

Language:

english

File:

PDF, 912 KB

english, 1981

4

Lake restoration with and without dredging of phosphorus-enriched upper sediment layers

Joop Does, Pierre Verstraelen, Paul Boers, Jan Roestel, Rudi Roijackers, Gerard Moser

Journal:

Year:

1992

Language:

english

File:

PDF, 1.07 MB

english, 1992

5

Targeting Smokers with Low Readiness to Change with Tailored and Nontailored Self-Help Materials

Arie Dijkstra, Hein De Vries, Jolanda Roijackers

Journal:

Preventive Medicine

Year:

1999

Language:

english

File:

PDF, 65 KB

english, 1999

6

Chemical and physical effects of crowding on growth and survival of Penaeus monodon Fabricius post-larvae

B.T. Nga, M. Lürling, E.T.H.M. Peeters, R. Roijackers, M. Scheffer, T.T. Nghia

Journal:

Year:

2005

Language:

english

File:

PDF, 232 KB

english, 2005

7

Heterogeneity in physical, chemical and plankton-community structures in Lake Tanganyika.

Langenberg, V. T., Tumba, J.-m., Tshibangu†, K., Lukwesa, C., Chitamwebwa, D., Bwebwa, D., Makasa, L., Roijackers, R.

Journal:

Aquatic Ecosystem Health and Management

Year:

2008

Language:

english

File:

PDF, 401 KB

english, 2008

8

Long-term effectiveness of computer-generated tailored feedback in smoking cessation

Dijkstra, A., De Vries, H., Roijackers, J.

Journal:

Health Education Research

Year:

1998

Language:

english

File:

PDF, 543 KB

english, 1998

9

Floating plant dominance as a stable state

Scheffer, M., Szabo, S., Gragnani, A., van Nes, E. H., Rinaldi, S., Kautsky, N., Norberg, J., Roijackers, R. M. M., Franken, R. J. M.

Journal:

Proceedings of the National Academy of Sciences

Year:

2003

Language:

english

File:

PDF, 250 KB

english, 2003

10

Vegetation abundance in lowland flood plan lakes determined by surface area, age and connectivity

G. J. Van Geest, F. C. J. M. Roozen, H. Coops, R. M. M. Roijackers, A. D. Buijse, E. T. H. M. Peeters, M. Scheffer

Journal:

Freshwater Biology

Year:

2003

Language:

english

File:

PDF, 431 KB

english, 2003

11

Lake age and water level affect the turbidity of floodplain lakes along the lower Rhine

F. C. J. M. Roozen, G. J. Van Geest, B. W. Ibelings, R. Roijackers, M. Scheffer, A. D. Buijse

Journal:

Freshwater Biology

Year:

2003

Language:

english

File:

PDF, 166 KB

english, 2003

12

Chrysophyceae from freshwater localities near Nijmegen, The Netherlands. II.

R.M.M. Roijackers, H. Kessels

Journal:

Year:

1981

Language:

english

File:

PDF, 692 KB

english, 1981

13

Perspectives for the use of diatom assemblages in the water management policy of Overijssel (The Netherlands)

J. H. Cate, R. Maasdam, R. M. M. Roijackers

Journal:

Year:

1993

Language:

english

File:

PDF, 610 KB

english, 1993

14

Fate and effects of the insecticide Dursban®4E in indoorElodea-dominated and macrophyte-free freshwater model ecosystems: II. Secondary effects on community structure

T. C. M. Brock, M. Bogaert, A. R. Bos, S. W. F. Breukelen, R. Reiche, J. Terwoert, R. E. M. Suykerbuyk, R. M. M. Roijackers

Journal:

Archives of Environmental Contamination and Toxicology

Year:

1992

Language:

english

File:

PDF, 1.95 MB

english, 1992

15

A comparison between two methods of extracting chlorophyll-a from different phytoplankton samples

R. M. M. Roijackers

Journal:

Aquatic Ecology

Year:

1981

Language:

english

File:

PDF, 232 KB

english, 1981

16

Synuraceae (Chrysophyceae) in the Netherlands

R. M. M. Roijackers

Journal:

Aquatic Ecology

Year:

1981

Language:

english

File:

PDF, 65 KB

english, 1981

17

A phytoplankton-based typology of brackish and freshwaters in The Netherlands

R. E. M. Suykerbuyk, R. M. M. Roijackers

Journal:

Aquatic Ecology

Year:

1988

Language:

english

File:

PDF, 227 KB

english, 1988

18

External morphology as taxonomic characteristic in planktonic scale-bearing Chrysophyceae and scaled Heliozoa

R. M. M. Roijackers

Journal:

Aquatic Ecology

Year:

1988

Language:

english

File:

PDF, 235 KB

english, 1988

19

Reviews

R. Roijackers, C. Davids, P. H. Nienhuis, Gerhard C. Cadée, Luuc Mur, Jean-Pierre R. A. Sweerts, E. P. H. Best, Jaap Dorgelo, H. van Dam, P. Schroevers

Journal:

Aquatic Ecology

Year:

1992

Language:

english

File:

PDF, 1.35 MB

english, 1992

20

Freshwater zooplankton sampling reconsidered: Preliminary results of a high-speed sampling device for small lakes

W. R. Swain, K. M. Roijackers

Journal:

Aquatic Ecology

Year:

1985

Language:

english

File:

PDF, 817 KB

english, 1985

21

The trophic state of shallow lakes in The Netherlands

R. M. M. Roijackers, A. M. T. Joosten

Journal:

Aquatic Ecology

Year:

1996

Language:

english

File:

PDF, 368 KB

english, 1996

22

Selection of (bio) indicators to assess effects of freshwater use in wetlands: a case study of s’Albufera de Mallorca, Spain

J. A. Veraart, R. S. de Groot, G. Perelló, N. J. Riddiford, R. Roijackers

Journal:

Regional Environmental Change

Year:

2004

Language:

english

File:

PDF, 516 KB

english, 2004

23

Effects of DecomposingRhizophora apiculataLeaves on Larvae of the ShrimpPenaeus monodon

B. T. Nga, R. Roijackers, T. T. Nghia, V. N. Ut, M. Scheffer

Journal:

Aquaculture International

Year:

2006

Language:

english

File:

PDF, 184 KB

english, 2006

24

Water-level fluctuations affect macrophyte richness in floodplain lakes

G. J. Van. Geest, H. Wolters, F. C. J. M. Roozen, H. Coops, R. M. M. Roijackers, A. D. Buijse, M. Scheffer

Journal:

Year:

2005

Language:

english

File:

PDF, 305 KB

english, 2005

25

Young Mangrove Stands Produce a Large and High Quality Litter Input to Aquatic Systems

B.T. Nga, H.Q. Tinh, D.T. Tam, M. Scheffer, R. Roijackers

Journal:

Wetlands Ecology and Management

Year:

2005

Language:

english

File:

PDF, 263 KB

english, 2005

26

Effects of crushed conspecifics on growth and survival of Penaeus monodon Fabricius post larvae

Bui Tui Nga, Miquel Lürling, Edwin Peeters, Rudil Roijackers, Marten Scheffer, Truong Trong Nghia

Journal:

Aquaculture Research

Year:

2006

Language:

english

File:

PDF, 270 KB

english, 2006

27

Experiments with duckweed–moth systems suggest that global warming may reduce rather than promote herbivory

TJISSE VAN DER HEIDE, RUDI M. M. ROIJACKERS, EDWIN T. H. M. PEETERS, EGBERT H. VAN NES

Journal:

Freshwater Biology

Year:

2006

Language:

english

File:

PDF, 136 KB

english, 2006

28

Strong growth limitation of a floating plant (Lemna gibba) by the submerged macrophyte (Elodea nuttallii) under laboratory conditions

SANDOR SZABO, MARTEN SCHEFFER, RUDI ROIJACKERS, BEATA WALUTO, MIHALY BRAUN, PETER T. NAGY, GABOR BORICS, LUIS ZAMBRANO

Journal:

Freshwater Biology

Year:

2010

Language:

english

File:

PDF, 381 KB

english, 2010

29

Succession of aquatic vegetation driven by reduced water-level fluctuations in floodplain lakes

G. J. VAN GEEST, H. COOPS, R. M. M. ROIJACKERS, A. D. BUIJSE, M. SCHEFFER

Journal:

Journal of Applied Ecology

Year:

2005

Language:

english

File:

PDF, 200 KB

english, 2005

30

Lake restoration: successes, failures and long-term effects

MARTIN SØNDERGAARD, ERIK JEPPESEN, TORBEN L. LAURIDSEN, CHRISTIAN SKOV, EGBERT H. VAN NES, RUDI ROIJACKERS, EDDY LAMMENS, ROB PORTIELJE

Journal:

Journal of Applied Ecology

Year:

2007

Language:

english

File:

PDF, 313 KB

english, 2007

31

Preface

S. Harry Hosper, Ramesh D. Gulati, Louis van Liere, Rudi M.M. Roijackers

Journal:

Water Science and Technology

Year:

1995

Language:

english

File:

PDF, 251 KB

english, 1995

32

Preface

R. Roijackers, R.H. Aalderink, G. Blom

Journal:

Water Science and Technology

Year:

1998

Language:

english

File:

PDF, 121 KB

english, 1998

33

Ecological characteristics of scale-bearing Chrysophyceae from The Netherlands

R. M. M. Roijackers, H. Kessels

Journal:

Nordic Journal of Botany

Year:

1986

Language:

english

File:

PDF, 921 KB

english, 1986

34

Ecological characteristics of scale-bearing chrysophytes in a small eutrophic pond in The Netherlands

R. E. M. Suykerbuyk, R. M. M. Roijackers, S. S. J. Houtman

Journal:

Nordic Journal of Botany

Year:

1995

Language:

english

File:

PDF, 951 KB

english, 1995

35

A simple equation for describing the temperature dependent growth of free-floating macrophytes

Tjisse van der Heide, Rudi M.M. Roijackers, Egbert H. van Nes, Edwin T.H.M. Peeters

Journal:

Year:

2006

Language:

english

File:

PDF, 153 KB

english, 2006

36

Comparing aquatic risk assessment methods for the photosynthesis-inhibiting herbicides metribuzin and metamitron

Theo C.M Brock, Steven J.H Crum, John W Deneer, Fred Heimbach, Rudi M.M Roijackers, Jos A Sinkeldam

Journal:

Environmental Pollution

Year:

2004

Language:

english

File:

PDF, 599 KB

english, 2004

37

A Study of New and Little-known Acanthocystid Heliozoeans, and a Proposed Division of the Genus Acanthocystis (Actinopoda, Heliozoea)

F.J. Siemensma, R.M.M. Roijackers

Journal:

Archiv für Protistenkunde

Year:

1988

Language:

english

File:

PDF, 7.31 MB

english, 1988

38

The Genus Raphidiophrys (Actinopoda, Heliozoea): Scale Morphology and Species Distinctions

F.J. Siemensma, R.M.M. Roijackers

Journal:

Archiv für Protistenkunde

Year:

1988

Language:

english

File:

PDF, 5.72 MB

english, 1988

39

A study of cristidiscoidid amoebae (Rhizopoda, Filosea), with descriptions of new species and keys to genera and species

R.M.M. Roijackers, F.J. Siemensma

Journal:

Archiv für Protistenkunde

Year:

1988

Language:

english

File:

PDF, 5.87 MB

english, 1988

40

Smokers in four stages of readiness to change

Arie Dijkstra, Jolanda Roijackers, Hein De VRIES

Journal:

Addictive Behaviors

Year:

1998

Language:

english

File:

PDF, 69 KB

english, 1998

41

External Nutrient Sources for Lake Tanganyika

Victor T. Langenberg, Sebastian Nyamushahu, Rudi Roijackers, Albert A. Koelmans

Journal:

Journal of Great Lakes Research

Year:

2003

Language:

english

File:

PDF, 214 KB

english, 2003

42

Chrysophyceae and haptophyceae: by K. Starmach. In: Süsswasserflora von Mitteleuropa, Band I. H. Ettl, J. Gerloff, H. Heynig and D. Mollenhauer (Editors). Gustav Fischer Verlag, Wollgrasweg 49, Postfach 720143 D-7000 Stuttgart 70, 1985, 515 pp., DM 138.00, ISBN 3-437-3040-X

R.M.M. Roijackers

Journal:

Year:

1986

Language:

english

File:

PDF, 135 KB

english, 1986

43

Primary succession of aquatic macrophytes in experimental ditches in relation to nutrient input

R. Portielje, R.M.M. Roijackers

Journal:

Year:

1995

Language:

english

File:

PDF, 679 KB

english, 1995

44

Relationship between redox potential and the emergence of three submerged macrophytes

van Zuidam, Bastiaan G., Cazemier, Maaike M., van Geest, Gerben J., Roijackers, Rudi M.M., Peeters, Edwin T.H.M.

Journal:

Year:

2014

Language:

english

File:

PDF, 621 KB

english, 2014

45

The measurement of photosynthetic pigments in freshwaters and standardization of methods

Roijackers, R.M.M.

Journal:

Year:

1982

Language:

english

File:

PDF, 132 KB

english, 1982

46

Brackish-water phytoplankton of the flemish lowland

Roijackers, R.M.M.

Journal:

Year:

1985

Language:

english

File:

PDF, 127 KB

english, 1985

47

Effect of Wind Induced Water Movements on Nutrients, Chlorophyll- a , and Primary Production in Lake Tanganyika

Langenberg, V. T., Sarvala, J., Roijackers, R.

Journal:

Aquatic Ecosystem Health and Management

Year:

2003

Language:

english

File:

PDF, 405 KB

english, 2003

48

Changing weather conditions and floating plants in temperate drainage ditches

Peeters, Edwin T. H. M, van Zuidam, Jeroen P., van Zuidam, Bastiaan G., Van Nes, Egbert H., Kosten, Sarian, Heuts, Peter G. M., Roijackers, Rudi M. M., Netten, Jordie J. C., Scheffer, Marten, Arnott,

Journal:

Journal of Applied Ecology

Year:

2013

Language:

english

File:

PDF, 387 KB

english, 2013

49

Computerized tailored feedback to change cognitive determinants of smoking: a Dutch field experiment

Dijkstra, A., De Vries, H., Roijackers, J.

Journal:

Health Education Research

Year:

1998

Language:

english

File:

PDF, 658 KB

english, 1998

50

Plankton dynamics in a dead arm of the River Waal: a comparison with the main channel

Spaink, Pepijn Abbink, Ietswaart, Thomas, Roijackers, Rudi

Journal:

Journal of Plankton Research

Year:

1998

Language:

english

File:

PDF, 515 KB

english, 1998