search
for
 About Bioline  All Journals  Testimonials  Membership  News  Donations


Zoological Research
Kunming Institute of Zoology, Chinese Academy of Sciences
ISSN: 2095-8137
Vol. 36, No. 6, 2015, pp. 328-336
Bioline Code: zr15038
Full paper language: English
Document type: Research Article
Document available free of charge

Zoological Research, Vol. 36, No. 6, 2015, pp. 328-336

 en Morphometric variability of Arctodiaptomus salinus check for this species in other resources (Copepoda) in the Mediterranean-Black Sea region
Anufriieva, Elena V. & Shadrin, Nickolai V.

Abstract

Inter-species variability in morphological traits creates a need to know the range of variability of characteristics in the species for taxonomic and ecological tasks. Copepoda Arctodiaptomus salinus check for this species in other resources , which inhabits water bodies across Eurasia and North Africa, plays a dominant role in plankton of different water bodies-from fresh to hypersaline. This work assesses the intra- and inter-population morphometric variability of A. salinus in the Mediterranean-Black Sea region and discusses some observed regularities. The variability of linear body parameters and proportions was studied. The impacts of salinity, temperature, and population density on morphological characteristics and their variability can manifest themselves in different ways at the intra- and inter-population levels. A significant effect of salinity, pH and temperature on the body proportions was not found. Their intra-population variability is dependent on temperature and salinity. Sexual dimorphism of A. salinus manifests in different linear parameters, proportions, and their variability. There were no effects of temperature, pH and salinity on the female/male parameter ratio. There were significant differences in the body proportions of males and females in different populations. The influence of temperature, salinity, and population density can be attributed to 80%-90% of intra-population variability of A. salinus. However, these factors can explain less than 40% of inter-population differences. Significant differences in the body proportions of males and females from different populations may suggest that some local populations of A. salinus in the Mediterranean-Black Sea region are in the initial stages of differentiation.

Keywords
Crustacea; Differentiation; Morphology; Sex differences; Environmental factors

 
© Copyright 2015 - Zoological Research
Alternative site location: http://www.zoores.ac.cn/

Home Faq Resources Email Bioline
© Bioline International, 1989 - 2017, Site last up-dated on 16-Oct-2017.
Site created and maintained by the Reference Center on Environmental Information, CRIA, Brazil
System hosted by the Internet Data Center of Rede Nacional de Ensino e Pesquisa, RNP, Brazil