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1

Shading enhances the quality of willow leaves to leaf beetles – but does it matter?

Mika Sipura, Jorma Tahvanainen

Journal:

Year:

2000

Language:

english

File:

PDF, 212 KB

english, 2000

2

Phenolic secondary compounds as determinants of the host plant preferences of the leaf beetle Agelastica alni

Arsi Ikonen, Jorma Tahvanainen, Heikki Roininen

Journal:

Year:

2002

Language:

english

File:

PDF, 1.20 MB

english, 2002

3

Shading Enhances the Quality of Willow Leaves to Leaf Beetles: But Does It Matter?

Mika Sipura and Jorma Tahvanainen

Journal:

Year:

2000

Language:

english

File:

PDF, 1.46 MB

english, 2000

4

Growth and hare, Lepus timidus, resistance of white birch, Betula pendula, clones grown in different soil types

Jaana Laitinen, Matti Rousi, Jorma Tahvanainen

Journal:

Year:

2002

Language:

english

File:

PDF, 242 KB

english, 2002

5

Chlorogenic acid as an antiherbivore defence of willows against leaf beetles

Arsi Ikonen, Jorma Tahvanainen, Heikki Roininen

Journal:

Entomologia Experimentalis et Applicata

Year:

2001

Language:

english

File:

PDF, 211 KB

english, 2001

6

Evidence for host race formation in the leaf beetle Galerucella lineola

Arsi Ikonen, Mika Sipura, Sari Miettinen, Jorma Tahvanainen

Journal:

Entomologia Experimentalis et Applicata

Year:

2003

Language:

english

File:

PDF, 238 KB

english, 2003

7

Does nitrogen fertilization have an impact on the trade-off between willow growth and defensive secondary metabolism?

Johanna Hakulinen, Riitta Julkunen-Tiitto, Jorma Tahvanainen

Journal:

Year:

1995

Language:

english

File:

PDF, 557 KB

english, 1995

8

The influence of vegetational diversity on the population ecology of a specialized herbivore,Phyllotreta cruciferae(Coleoptera: Chrysomelidae)

Jorma O. Tahvanainen, Richard B. Root

Journal:

Year:

1972

Language:

english

File:

PDF, 1.74 MB

english, 1972

9

Carbon-nutrient balance hypothesis in within-species phytochemical variation ofSalix lasiolepis

Peter W. Price, Gwendolyn L. Waring, Riitta Julkunen-Tiitto, Jorma Tahvanainen, Harold A. Mooney, Timothy P. Craig

Journal:

Journal of Chemical Ecology

Year:

1989

Language:

english

File:

PDF, 811 KB

english, 1989

10

Chemical determinants of resistance in winter-dormant seedlings of European white birch (Betula pendula) to browsing by the mountain hare

Jorma Tahvanainen, Riitta Julkunen-Tiitto, Matti Rousi, Paul B. Reichardt

Journal:

Year:

1991

Language:

english

File:

PDF, 666 KB

english, 1991

11

Importance of phenolic glucosides in host selection of shoot galling sawfly,Euura amerinae, onSalix pentandra

Jari Kolehmainen, Heikki Roininen, Riitta Julkunen-Tiitto, Jorma Tahvanainen

Journal:

Journal of Chemical Ecology

Year:

1994

Language:

english

File:

PDF, 532 KB

english, 1994

12

The effect of elevated CO2and temperature on the secondary chemistry ofBetula pendulaseedlings

Kari Kuokkanen, Riitta Julkunen-Tiitto, Markku Keinänen, Pekka Niemelä, Jorma Tahvanainen

Journal:

Year:

2001

Language:

english

File:

PDF, 138 KB

english, 2001

13

Variation in Birch (Betula pendula) Shoot Secondary Chemistry due to Genotype, Environment, and Ontogeny

Marja-Leena Laitinen, Riitta Julkunen-Tiitto, Jorma Tahvanainen, Jaakko Heinonen, Matti Rousi

Journal:

Journal of Chemical Ecology

Year:

2005

Language:

english

File:

PDF, 1.70 MB

english, 2005

14

Ontogeny and Environment as Determinants of the Secondary Chemistry of Three Species of White Birch

Jaana Laitinen, Riitta Julkunen-Tiitto, Matti Rousi, Jaakko Heinonen, Jorma Tahvanainen

Journal:

Journal of Chemical Ecology

Year:

2005

Language:

english

File:

PDF, 1.55 MB

english, 2005

15

Elevated CO2 alters birch resistance to Lagomorpha herbivores

William J. Mattson, Kari Kuokkanen, Pekka Niemelä, Riitta Julkunen-Tiitto, Seppo Kellomäki, Jorma Tahvanainen

Journal:

Global Change Biology

Year:

2004

Language:

english

File:

PDF, 270 KB

english, 2004

16

Palatability of silver birch seedlings to root voles Microtus oeconomus

Anu Harju, Jorma Tahvanainen

Journal:

Year:

1997

Language:

english

File:

PDF, 363 KB

english, 1997

17

Differences in Host Use Efficiency of Larvae of a Generalist Moth, Operophtera brumata on Three Chemically Divergent Salix Species

Teija Ruuhola, Olli-Pekka Tikkanen, Jorma Tahvanainen

Journal:

Journal of Chemical Ecology

Year:

2001

Language:

english

File:

PDF, 150 KB

english, 2001

18

Oviposition Stimulant for a Gall-Inducing Sawfly,Euura lasiolepis, on Willow is a Phenolic Glucoside

Heikki Roininen, Peter W. Price, Riitta Julkunen-Tiitto, Jorma Tahvanainen, Arsi Ikonen

Journal:

Journal of Chemical Ecology

Year:

1999

Language:

english

File:

PDF, 544 KB

english, 1999

19

Taxonomic implications of phenolic variation in leaves of birch (Betula L.) species

Markku Keinänen, Riitta Julkunen-Tiitto, Matti Rousi, Jorma Tahvanainen

Journal:

Biochemical Systematics and Ecology

Year:

1999

Language:

english

File:

PDF, 119 KB

english, 1999

20

The Influence of Vegetational Diversity on the Population Ecology of a Specialized Herbivore, Phyllotreta cruciferae (Coleoptera: Chrysomelidae)

Jorma O. Tahvanainen and Richard B. Root

Journal:

Year:

1972

Language:

english

File:

PDF, 1.19 MB

english, 1972

21

Systemic Induction of Salicylates in Salix myrsinifolia(Salisb.)

Teija M. Ruuhola, Mika Sipura, Outi Nousiainen, Jorma Tahvanainen

Journal:

Annals of Botany

Year:

2001

Language:

english

File:

PDF, 240 KB

english, 2001

22

Herbivory modifies the genetic structure of birch populations

Kaarina Prittinen, Jyrki Pusenius, Jorma Tahvanainen, Matti Rousi, Jaakko Heinonen, Heikki Roininen

Journal:

Year:

2006

Language:

english

File:

PDF, 129 KB

english, 2006

23

Analysis of cardiovascular responses to passive head‐up tilt using continuous pulse wave analysis and impedance cardiography

Tahvanainen, Anna, Koskela, Jenni, Tikkakoski, Antti, Lahtela, Jorma, Leskinen, Miia, Kähönen, Mika, Nieminen, Tuomo, Kööbi, Tiit, Mustonen, Jukka, Pörsti, Ilkka

Journal:

Scandinavian Journal of Clinical & Laboratory Investigation

Year:

2009

Language:

english

File:

PDF, 428 KB

english, 2009

24

Host Preference and Larval Performance of the Salicylate-Using Leaf Beetle Phratora vitellinae

Nathan E. Rank, Alfred Köpf, Riitta Julkunen-Tiitto and Jorma Tahvanainen

Journal:

Year:

1998

Language:

english

File:

PDF, 572 KB

english, 1998

25

Inter- and Intraspecific Variation in the Resistance of Winter-Dormant Birch (Betula spp.) against Browsing by the Mountain Hare

Matti Rousi, Jorma Tahvanainen and Ilari Uotila

Journal:

Holarctic Ecology

Year:

1989

Language:

english

File:

PDF, 1.12 MB

english, 1989

26

Field Test of Resource Regulation by the Bud-Galling Sawfly, Euura mucronata, on Salix cinerea

Heikki Roininen, Peter W. Price and Jorma Tahvanainen

Journal:

Holarctic Ecology

Year:

1988

Language:

english

File:

PDF, 720 KB

english, 1988

27

Host Selection and Larval Performance of Two Willow-Feeding Sawflies

Roininen, Heikki, Tahvanainen, Jorma

Journal:

Year:

1989

Language:

english

File:

PDF, 323 KB

english, 1989

28

The effects of nutrient variation and age on the resistance of three winter-dormant white birch species to mammalian herbivores

Laitinen, Jaana, Rousi, Matti, Tahvanainen, Jorma, Henttonen, Heikki, Heinonen, Jaakko

Journal:

Canadian Journal of Forest Research

Year:

2004

File:

PDF, 466 KB

2004

29

Release of phylogenetic constraints through low resource heterogeneity: the case of gall-inducing sawflies

Price, Peter W., Ohgushi, Takayuki, Roininen, Heikki, Ishihara, Michihiro, Craig, Timothy P., Tahvanainen, Jorma, Ferrier, Sharon M.

Journal:

Ecological Entomology

Year:

2004

Language:

english

File:

PDF, 215 KB

english, 2004

30

Biogeographic Evidence for the Evolution of Chemical Defense by Boreal Birch and Willow Against Mammalian Browsing

John P. Bryant, Jorma Tahvanainen, Matti Sulkinoja, Riitta Julkunen-Tiitto, Paul Reichardt and Terry Green

Journal:

American Naturalist

Year:

1989

Language:

english

File:

PDF, 1.14 MB

english, 1989

31

A Mechanism of Resistance to Hare Browsing in Winter-Dormant European White Birch (Betula pendula)

Matti Rousi, Jorma Tahvanainen and Ilari Uotila

Journal:

American Naturalist

Year:

1991

Language:

english

File:

PDF, 1.37 MB

english, 1991

32

Bottom-Up and Top-Down Influences in the Trophic System of a Willow, a Galling Sawfly, Parasitoids and Inquilines

Heikki Roininen, Peter W. Price and Jorma Tahvanainen

Journal:

Year:

1996

Language:

english

File:

PDF, 939 KB

english, 1996

33

The Evolution of Host-Plant Use and Sequestration in the Leaf Beetle Genus Phratora (Coleoptera: Chrysomelidae)

Alfred Köpf, Nathan E. Rank, Heikki Roininen, Riitta Julkunen-Tiitto, Jacques M. Pasteels and Jorma Tahvanainen

Journal:

Year:

1998

Language:

english

File:

PDF, 2.31 MB

english, 1998

34

Colonization and Extinction in a Population of the Shoot-Galling Sawfly, Euura amerinae

Heikki Roininen, Peter W. Price and Jorma Tahvanainen

Journal:

Year:

1993

Language:

english

File:

PDF, 1.13 MB

english, 1993

35

Host Preference and Allozyme Differentiation in Shoot Galling Sawfly, Euura atra

Heikki Roininen, Jukka Vuorinen, Jorma Tahvanainen and Riitta Julkunen-Tiitto

Journal:

Year:

1993

Language:

english

File:

PDF, 1.01 MB

english, 1993

36

Phenology and Microhabitat Selection of Some Flea Beetles (Coleoptera: Chrysomelidae) on Wild and Cultivated Crucifers in Central New York

Tahvanainen, Jorma O.

Journal:

Insect Systematics & Evolution

Year:

1972

Language:

english

File:

PDF, 4.09 MB

english, 1972

37

Why Does the Leaf Beetle Galerucella lineola F. Attack Wetland Willows?

Mika Sipura, Arsi Ikonen, Jorma Tahvanainen and Heikki Roininen

Journal:

Year:

2002

Language:

english

File:

PDF, 1.11 MB

english, 2002

38

Defensive larval secretions of leaf beetles attract a specialist predator Parasyrphus nigritarsis

KOPF, ALFRED, RANK, NATHAN, ROININEN, HEIKKI, TAHVANAINEN, JORMA

Journal:

Ecological Entomology

Year:

1997

Language:

english

File:

PDF, 230 KB

english, 1997

39

Niche Differentiation by Crucifer-Feeding Flea Beetles (Coleoptera: Chrysomelidae)

Karen L. Hicks and Jorma O. Tahvanainen

Journal:

American Midland Naturalist

Year:

1974

Language:

english

File:

PDF, 697 KB

english, 1974

40

Growth and Hare Resistance of Birches: Testing Defense Theories

Matti Rousi, William J. Mattson, Jorma Tahvanainen, Takayoshi Koike and Ilari Uotila

Journal:

Year:

1996

File:

PDF, 1.54 MB

1996

41

Growth and Hare Resistance of Birches: Testing Defense Theories

Matti Rousi, William J. Mattson, Jorma Tahvanainen, Takayoshi Koike and Ilari Uotila

Journal:

Year:

1996

Language:

english

File:

PDF, 1.54 MB

english, 1996

42

Herbivore-Plant Interactions at Northern Latitudes. Proceedings of a Symposium Held 14-18 September, 1981, at Kevo, Finland || The Relationship between Flea Beetles and Their Cruciferous Host Plants: The Role of Plant and Habitat Characteristics

Jorma Tahvanainen

Journal:

Year:

1983

Language:

english

File:

PDF, 654 KB

english, 1983

43

The Influence of Host Plant Growth Form and Phenology on the Life Strategies of Finnish Macrolepidopterous Larvae

Pekka Niemelä, Jorma Tahvanainen, Jorma Sorjonen, Timo Hokkanen and Seppo Neuvonen

Journal:

Year:

1982

Language:

english

File:

PDF, 1.01 MB

english, 1982

44

Effects of Shading and Fertilization on Resistance of Winter-Dormant Birch (Betula Pendula) to Voles and Hares

Matti Rousi, Jorma Tahvanainen, Heikki Henttonen and Ilari Uotila

Journal:

Year:

1993

Language:

english

File:

PDF, 1.04 MB

english, 1993

45

Herbivory Modifies the Genetic Structure of Birch Populations

Kaarina Prittinen, Jyrki Pusenius, Jorma Tahvanainen, Matti Rousi, Jaakko Heinonen and Heikki Roininen

Journal:

Year:

2006

Language:

english

File:

PDF, 817 KB

english, 2006

46

Growth and Hare, Lepus timidus, Resistance of White Birch, Betula pendula, Clones Grown in Different Soil Types

Jaana Laitinen, Matti Rousi and Jorma Tahvanainen

Journal:

Year:

2002

Language:

english

File:

PDF, 1.44 MB

english, 2002

47

Palatability of Silver Birch Seedlings to Root Voles Microtus oeconomus

Anu Harju and Jorma Tahvanainen

Journal:

Year:

1997

Language:

english

File:

PDF, 939 KB

english, 1997

48

WHY DOES THE LEAF BEETLE GALERUCELLA LINEOLA F. ATTACK WETLAND WILLOWS?

Sipura, Mika, Ikonen, Arsi, Tahvanainen, Jorma, Roininen, Heikki

Journal:

Year:

2002

Language:

english

File:

PDF, 934 KB

english, 2002

49

HOST PREFERENCE AND ALLOZYME DIFFERENTIATION IN SHOOT GALLING SAWFLY, EUURA ATRA

Roininen, Heikki, Vuorinen, Jukka, Tahvanainen, Jorma, Julkunen-Tiitto, Riitta

Journal:

Year:

1993

Language:

english

File:

PDF, 1.09 MB

english, 1993

50

THE EVOLUTION OF HOST-PLANT USE AND SEQUESTRATION IN THE LEAF BEETLE GENUS PHRATORA (COLEOPTERA: CHRYSOMELIDAE)

Köpf, Alfred, Rank, Nathan E., Roininen, Heikki, Julkunen-Tiitto, Rutta, Pasteels, Jacques M., Tahvanainen, Jorma

Journal:

Year:

1998

Language:

english

File:

PDF, 1.92 MB

english, 1998

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