J 2002

Morphology and coexistence of congeneric ectoparasite species: reinforcement of reproductive isolation?

ŠIMKOVÁ, Andrea, Markéta ONDRAČKOVÁ, Milan GELNAR and Serge MORAND

Basic information

Original name

Morphology and coexistence of congeneric ectoparasite species: reinforcement of reproductive isolation?

Authors

ŠIMKOVÁ, Andrea (203 Czech Republic, guarantor), Markéta ONDRAČKOVÁ (203 Czech Republic), Milan GELNAR (203 Czech Republic) and Serge MORAND (250 France)

Edition

Biological Journal of the Linnean Society, London, Blackwell Publishing, 2002, 0024-4066

Other information

Language

English

Type of outcome

Článek v odborném periodiku

Field of Study

10600 1.6 Biological sciences

Country of publisher

United Kingdom of Great Britain and Northern Ireland

Confidentiality degree

není předmětem státního či obchodního tajemství

Impact factor

Impact factor: 1.705

RIV identification code

RIV/00216224:14310/02:00007556

Organization unit

Faculty of Science

UT WoS

000175718400011

Keywords in English

competition; host specfificity; morhometric distances; niche segregation; reproductive barriers

Tags

International impact, Reviewed

Abstract

V originále

Assuming that differences or similarities in morphology among congeneric parasite species living in the same habitat are not a random pattern, several hypotheses were tested: (i) reproductive isolation, (ii) niche restriction resulting from competition, (iii) niche specialization. Congeneric monogeneans parasitizing the gills of one host species were used as an ecological model. Our results support the prediction that the function on niche segregation is to achieve reproductive isolation of related species in order to prevent hybridization. Species coexistence is facilitated by an increase in morphometric distances of copulatory organ and niche centre distances. Moreover, our results also show that species living in overlapping niches have similar attachment organs, which supports the prediction that morphologically similar species have the same ecological requirements within one host and suggests small effects of interspecific competition for coexistence and affect the niche distribution within host species. Specialist adaptations facilitate species coexistence and affect the niche distribution within host species.

Links

GA524/98/0940, research and development project
Name: Diverzita parazitů jako indikátor enviromentálního stresu
Investor: Czech Science Foundation, Diversity of parasites like an indicator of environmental stress
MSM 143100010, plan (intention)
Name: Časoprostorová dynamika biodiverzity v ekosystémech střední Evropy.
Investor: Ministry of Education, Youth and Sports of the CR, Spatiotemporal biodiversity dynamics in ecosystems of Central Europe