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1

Assessing the abundance, seasonal questing activity, and Borrelia and tick-borne encephalitis virus (TBEV) prevalence of Ixodes ricinus ticks in a Lyme borreliosis endemic area in Southwest Finland

Sormunen, Jani J., Klemola, Tero, Vesterinen, Eero J., Vuorinen, Ilppo, Hytönen, Jukka, Hänninen, Jari, Ruohomäki, Kai, Sääksjärvi, Ilari E., Tonteri, Elina, Penttinen, Ritva

Journal:

Ticks and Tick-borne Diseases

Year:

2016

Language:

english

File:

PDF, 770 KB

english, 2016

2

Tree species diversity influences herbivore abundance and damage: meta-analysis of long-term forest experiments

Harri Vehviläinen, Julia Koricheva, Kai Ruohomäki

Journal:

Year:

2007

Language:

english

File:

PDF, 319 KB

english, 2007

3

Cold hardiness of Lymantria monacha and L. dispar (Lepidoptera: Erebidae) eggs to extreme winter temperatures: implications for predicting climate change impacts

Fält-Nardmann, Julia J. J., Ruohomäki, Kai, Tikkanen, Olli-Pekka, Neuvonen, Seppo

Journal:

Ecological Entomology

Year:

2018

Language:

english

File:

PDF, 1.83 MB

english, 2018

4

The evolution of female flightlessness among Ennominae of the Holarctic forest zone (Lepidoptera, Geometridae)

Niklas Wahlberg, Niina Snäll, Jaan Viidalepp, Kai Ruohomäki, Toomas Tammaru

Journal:

Molecular Phylogenetics and Evolution

Year:

2010

Language:

english

File:

PDF, 1.90 MB

english, 2010

5

Crowding-induced plasticity in Epirrita autumnata (Lepidoptera: Geometridae): weak evidence of specific modifications in reaction norms

Toomas Tammaru, Kai Ruohomäki, Mika Montola

Journal:

Year:

2000

Language:

english

File:

PDF, 248 KB

english, 2000

6

Sources of variability in plant resistance against insects: free caterpillars show strongest effects

Pekka Kaitaniemi, Kai Ruohomäki

Journal:

Year:

2001

Language:

english

File:

PDF, 191 KB

english, 2001

7

Specialist and generalist natural enemies as an explanation for geographical gradients in population cycles of northern herbivores

Tero Klemola, Miia Tanhuanpää, Erkki Korpimäki, Kai Ruohomäki

Journal:

Year:

2002

Language:

english

File:

PDF, 467 KB

english, 2002

8

Influence of adult and egg predation on reproductive success of Epirrita autumnata (Lepidoptera: Geometridae)

Miia Tanhuanpää, Kai Ruohomäki, Pekka Kaitaniemi

Journal:

Year:

2003

Language:

english

File:

PDF, 172 KB

english, 2003

9

Crowding-induced responses in a geometrid moth revisited: a field experiment

Kai Ruohomäki, Tero Klemola, Pekka Kaitaniemi, Miia Käär

Journal:

Year:

2003

Language:

english

File:

PDF, 160 KB

english, 2003

10

Different impact of pupal predation on populations of Epirrita autumnata (Lepidoptera; Geometridae) within and outside the outbreak range

Miia Tanhuanpää, Kai Ruohomäki, Pekka Kaitaniemi, Tero Klemola

Journal:

Journal of Animal Ecology

Year:

1999

Language:

english

File:

PDF, 617 KB

english, 1999

11

Impact of leaf damage on growth of mountain birch shoots

JANNE HENRIKSSON, ERKKI HAUKIOJA, KAI RUOHOMÄKI

Journal:

New Phytologist

Year:

1999

Language:

english

File:

PDF, 118 KB

english, 1999

12

Consequences of herbivory in the mountain birch (Betula pubescensssptortuosa): importance of the functional organization of the tree

Erkki Haukioja, Kai Ruohomäki, Josef Senn, Janne Suomela, Mari Walls

Journal:

Year:

1990

Language:

english

File:

PDF, 1.11 MB

english, 1990

13

Spatial responses of two herbivore groups to a geometrid larva on mountain birch

Janne Riihimäki, Pekka Kaitaniemi, Kai Ruohomäki

Journal:

Year:

2003

Language:

english

File:

PDF, 198 KB

english, 2003

14

Performance of the cyclic autumnal moth,Epirrita autumnata, in relation to birch mast seeding

Tero Klemola, Sinikka Hanhimäki, Kai Ruohomäki, Josef Senn, Miia Tanhuanpää, Pekka Kaitaniemi, Hanna Ranta, Erkki Haukioja

Journal:

Year:

2003

Language:

english

File:

PDF, 245 KB

english, 2003

15

Reduction in size and fecundity of the autumnal moth,Epirrita autumnata, in the increase phase of a population cycle

Tero Klemola, Kai Ruohomäki, Tommi Andersson, Seppo Neuvonen

Journal:

Year:

2004

Language:

english

File:

PDF, 281 KB

english, 2004

16

Delayed induced changes in the biochemical composition of host plant leaves during an insect outbreak

Pekka Kaitaniemi, Kai Ruohomäki, Vladimir Ossipov, Erkki Haukioja, Kalevi Pihlaja

Journal:

Year:

1998

Language:

english

File:

PDF, 285 KB

english, 1998

17

Does immune function influence population fluctuations and level of parasitism in the cyclic geometrid moth?

Tero Klemola, Netta Klemola, Tommi Andersson, Kai Ruohomäki

Journal:

Population Ecology

Year:

2007

Language:

english

File:

PDF, 352 KB

english, 2007

18

SEASONALLY VARYING DIET QUALITY AND THE QUANTITATIVE GENETICS OF DEVELOPMENT TIME AND BODY SIZE IN BIRCH FEEDING INSECTS

Antti Kause, Irma Saloniemi, Jean-Philippe Morin, Erkki Haukioja, Sinikka Hanhimäki, Kai Ruohomäki

Journal:

Year:

2001

Language:

english

File:

PDF, 119 KB

english, 2001

19

Compensatory responses in lepidopteran larvae: a test of growth rate maximisation

Toomas Tammaru, Sören Nylin, Kai Ruohomäki, Karl Gotthard

Journal:

Year:

2004

Language:

english

File:

PDF, 348 KB

english, 2004

20

Effects of stand tree species composition and diversity on abundance of predatory arthropods

Harri Vehviläinen, Julia Koricheva, Kai Ruohomäki

Journal:

Year:

2008

Language:

english

File:

PDF, 240 KB

english, 2008

21

Phylogenetic relationships of the tribe Operophterini (Lepidoptera, Geometridae): a case study of the evolution of female flightlessness

NIINA SNÄLL, TOOMAS TAMMARU, NIKLAS WAHLBERG, JAAN VIIDALEPP, KAI RUOHOMÄKI, MARJA-LIISA SAVONTAUS, KIRSI HUOPONEN

Journal:

Biological Journal of the Linnean Society

Year:

2007

Language:

english

File:

PDF, 177 KB

english, 2007

22

Fecundity of the autumnal moth depends on pooled geometrid abundance without a time lag: implications for cyclic population dynamics

Tero Klemola, Tommi Andersson, Kai Ruohomäki

Journal:

Journal of Animal Ecology

Year:

2008

Language:

english

File:

PDF, 258 KB

english, 2008

23

Local outbreaks of Operophtera brumata and Operophtera fagata cannot be explained by low vulnerability to pupal predation

Annette Heisswolf, Miia Käär, Tero Klemola, Kai Ruohomäki

Journal:

Agricultural and Forest Entomology

Year:

2010

Language:

english

File:

PDF, 513 KB

english, 2010

24

Folivorous larvae on flowers: do autumnal moths benefit from catkins of the mountain birch?

Tero Klemola, Pekka Kaitaniemi, Kai Ruohomäki

Journal:

Entomologia Experimentalis et Applicata

Year:

2010

Language:

english

File:

PDF, 153 KB

english, 2010

25

Effects of tree stand species composition on insect herbivory of silver birch in boreal forests

Harri Vehviläinen, Julia Koricheva, Kai Ruohomäki, Tord Johansson, Sauli Valkonen

Journal:

Basic and Applied Ecology

Year:

2006

Language:

english

File:

PDF, 198 KB

english, 2006

26

Autumnal moth – why autumnal?

Toomas Tammaru, Miia Tanhuanpää, Kai Ruohomäki, Alo Vanatoa

Journal:

Ecological Entomology

Year:

2001

Language:

english

File:

PDF, 146 KB

english, 2001

27

Larval parasitism rate increases in herbivore-damaged trees: a field experiment with cyclic birch feeding moths

Tero Klemola, Tea Ammunét, Tommi Andersson, Netta Klemola, Kai Ruohomäki

Journal:

Year:

2012

Language:

english

File:

PDF, 537 KB

english, 2012

28

Assessing Costs of Reproduction in Mountain Birch: The Importance of Considering the Modular Level

Janne Henriksson, Kai Ruohomäki

Journal:

Annals of Botany

Year:

2000

Language:

english

File:

PDF, 162 KB

english, 2000

29

Factors controlling resource allocation in mountain birch

Pekka Kaitaniemi, Kai Ruohomäki

Journal:

Perspectives in Plant Ecology, Evolution and Systematics

Year:

2003

Language:

english

File:

PDF, 482 KB

english, 2003

30

Uncaged larvae elicit a combination of local and integrated growth responses within mountain birch crown

Pekka Kaitaniemi, Kai Ruohomäki

Journal:

Year:

2006

Language:

english

File:

PDF, 193 KB

english, 2006

31

Geographically partitioned spatial synchrony among cyclic moth populations

Tero Klemola, Otso Huitu, Kai Ruohomäki

Journal:

Year:

2006

Language:

english

File:

PDF, 308 KB

english, 2006

32

Diversification of tree stands as a means to manage pests and diseases in boreal forests: myth or reality?

Koricheva, Julia, Vehviläinen, Harri, Riihimäki, Janne, Ruohomäki, Kai, Kaitaniemi, Pekka, Ranta, Hanna

Journal:

Canadian Journal of Forest Research

Year:

2006

File:

PDF, 115 KB

2006

33

Realized Fecundity in Epirrita autumnata (Lepidoptera: Geometridae): Relation to Body Size and Consequences to Population Dynamics

Toomas Tammaru, Pekka Kaitaniemi and Kai Ruohomäki

Journal:

Year:

1996

Language:

english

File:

PDF, 1.25 MB

english, 1996

34

Nutritional quality as a defense against herbivores

Haukioja, Erkki, Ruohomäki, Kai, Suomela, Janne, Vuorisalo, Timo

Journal:

Forest Ecology and Management

Year:

1991

Language:

english

File:

PDF, 563 KB

english, 1991

35

Within-Season Variability of Pupal Period in the Autumnal Moth: A Bet-Hedging Strategy?

Toomas Tammaru, Kai Ruohomäki and Irma Saloniemi

Journal:

Year:

1999

Language:

english

File:

PDF, 440 KB

english, 1999

36

Seasonally Varying Diet Quality and the Quantitative Genetics of Development Time and Body Size in Birch Feeding Insects

Antti Kause, Irma Saloniemi, Jean-Philippe Morin, Erkki Haukioja, Sinikka Hanhimaki and Kai Ruohomaki

Journal:

Year:

2001

Language:

english

File:

PDF, 1.54 MB

english, 2001

37

Effects of three years’ increase in density of the geometridEpirrita autumnataon the change in metabolome of mountain birch trees (Betula pubescensssp.czerepanovii)

Vladimir Ossipov,Tero Klemola,Kai Ruohomäki,Juha-Pekka Salminen

Journal:

Year:

2014

Language:

english

File:

PDF, 350 KB

english, 2014

38

Delayed density-dependent parasitism of eggs and pupae as a contributor to the cyclic population dynamics of the autumnal moth

Tero Klemola,Tommi Andersson,Kai Ruohomäki

Journal:

Year:

2014

Language:

english

File:

PDF, 579 KB

english, 2014

39

High Larval Predation Rate in Non-Outbreaking Populations of a Geometrid Moth

Miia Tanhuanpää, Kai Ruohomäki and Esa Uusipaikka

Journal:

Year:

2001

Language:

english

File:

PDF, 1.62 MB

english, 2001

40

Reversed Impacts by Specialist Parasitoids and Generalist Predators May Explain a Phase Lag in Moth Cycles: A Novel Hypothesis and Preliminary Field Tests

Klemola, Netta, Heisswolf, Annette, Ammunét, Tea, Ruohomäki, Kai, Klemola, Tero

Journal:

Annales Zoologici Fennici

Year:

2009

Language:

english

File:

PDF, 300 KB

english, 2009

41

Movement and disappearance of mountain birch defoliators are influenced by the interactive effects of plant architecture and induced resistance

Kaitaniemi, Pekka, Vehvilainen, Harri, Ruohomaki, Kai

Journal:

Ecological Entomology

Year:

2004

Language:

english

File:

PDF, 140 KB

english, 2004

42

Effects of Egg Size, Laying Order and Larval Density on Performance of Epirrita autumnata (Lep., Geometridae)

Ruohomäki, Kai, Hanhimäki, Sinikka, Haukioja, Erkki, Ruohomaki, Kai, Hanhimaki, Sinikka

Journal:

Year:

1993

Language:

english

File:

PDF, 930 KB

english, 1993

43

SEASONALLY VARYING DIET QUALITY AND THE QUANTITATIVE GENETICS OF DEVELOPMENT TIME AND BODY SIZE IN BIRCH FEEDING INSECTS

Kause, Antti, Saloniemi, Irma, Morin, Jean-Philippe, Haukioja, Erkki, Hanhimäki, Sinikka, Ruohomäki, Kai

Journal:

Year:

2001

Language:

english

File:

PDF, 129 KB

english, 2001

44

HIGH LARVAL PREDATION RATE IN NON-OUTBREAKING POPULATIONS OF A GEOMETRID MOTH

Tanhuanpää, Miia, Ruohomäki, Kai, Uusipaikka, Esa

Journal:

Year:

2001

Language:

english

File:

PDF, 117 KB

english, 2001

45

Performance of a spring-feeding moth in relation to time of oviposition and bud-burst phenology of different host species

Klemola, Tero, Ruohomaki, Kai, Tanhuanpaa, Miia, Kaitaniemi, Pekka

Journal:

Ecological Entomology

Year:

2003

Language:

english

File:

PDF, 183 KB

english, 2003

46

Additive and non-additive effects of birch genotypic diversity on arthropod herbivory in a long-term field experiment

Barton, Kasey E., Valkama, Elena, Vehviläinen, Harri, Ruohomäki, Kai, Knight, Tiffany M., Koricheva, Julia

Journal:

Year:

2015

Language:

english

File:

PDF, 800 KB

english, 2015

47

Different Impact of Pupal Predation on Populations of Epirrita autumnata (Lepidoptera; Geometridae) within and outside the Outbreak Range

Miia Tanhuanpaa, Kai Ruohomaki, Pekka Kaitaniemi and Tero Klemola

Journal:

Journal of Animal Ecology

Year:

1999

File:

PDF, 1.24 MB

1999

48

Different Impact of Pupal Predation on Populations of Epirrita autumnata (Lepidoptera; Geometridae) within and outside the Outbreak Range

Miia Tanhuanpaa, Kai Ruohomaki, Pekka Kaitaniemi and Tero Klemola

Journal:

Journal of Animal Ecology

Year:

1999

Language:

english

File:

PDF, 1.24 MB

english, 1999

49

Experimental test of parasitism hypothesis for population cycles of a forest lepidopteran

Netta Klemola, Tommi Andersson, Kai Ruohomäki and Tero Klemola

Journal:

Year:

2010

Language:

english

File:

PDF, 1.38 MB

english, 2010

50

Leaf Value: Effects of Damage to Individual Leaves on Growth and Reproduction of Mountain Birch Shoots

Kai Ruohomäki, Erkki Haukioja, Sari Repka and Kari Lehtilä

Journal:

Year:

1997

Language:

english

File:

PDF, 457 KB

english, 1997

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