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Additional Tithonian and Berriasian ammonites from the Vaca Muerta Formation in Pampa Tril, Neuquén Basin, Argentina

Parent H., Schweigert G., Scherzinger A., Garrido A. C.

Volumina Jurassica

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2017

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Vol. 15, no 1

139--154

EN

The ammonite fauna of the Tithonian–Berriasian of the Vaca Muerta Formation in Pampa Tril has been recently described in detail. New important specimens and additional information are presented in this paper. The phyletic evolution of Choicensisphinctes, passing from C. platyconus to C. erinoides is confirmed, as well as the sexual dimorphic correspondence of this latter with C. mendozanus. A microconch of the genus Krantziceras is described for the first time. New specimens of Substeueroceras koeneni identical to the paralec¬totype, along with material already described from the koeneni Hz. (Koeneni Zone), point to the fixation of this horizon as the type horizon of the species. New specimens of Subthurmannia boissieri from the Damesi Zone match clearly the range of variation of this species in Spain, thus providing an element for time-correlation with the Tethyan standard scale. Additional material from the internispinosum alpha Hz. confirms the origin of W. internispinosum from C. proximus by the inception of an evolutionary innovation in the juvenile ontogeny.

2

Local Ecotypes of Roe Deer Populations (Capreolus capreolus L.) in Relation to Morphometric Features and Fur Colouration in the Centre of the Iberian Peninsula

Horcajada-Sánchez F., Barja I.

Polish Journal of Ecology

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2016

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Vol. 64, nr 1

113--124

EN

The extent of the area occupied by populations of roe deer and the diversity of environments in which it lives, determine the existence of different local forms or ecotypes. In order to characterize the populations of the Guadarrama Mountains in the centre of the Iberian Peninsula we examined the morphology and fur colouration of 154 roe deer (Capreolus capreolus) based on their body size, age and sex. To determine the age of roe deer, we analyzed tooth cementum layers (incisor I1) to observe the growth lines. The remaining individual data (body size, sex and fur colouration) were obtained in the field, from animals hunted in the study area. In adult individuals, the average body weight in males was significantly higher than in females, being these weight ranges similar to those of the Iberian Peninsula and the rest of Europe. Body measurements were positively related to individuals age, but only significant differences in body girth were found between males and females. The analysis of fur colouration of dead specimens showed a high variability with four different ecotypes during the summer coat and not significant differences were found in the body size between individuals with different summer coats. The morphological parameters described in the roe deer of the Guadarrama Mountains do not correspond with the latitudinal gradient as it was indicated for other Spanish populations. However, the existence of Pleistocene refuges in the central mountains of the Iberian Peninsula seems to have provided a high variety of ecotypes in relation to fur colouration in the populations of Guadarrama Mountains.

3

Laterality versus jumping performance in men and women

Trzaskoma Z., Ilnicka L., Wiszomirska I., Wit A., Wychowański M.

Acta of Bioengineering and Biomechanics

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2015

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Vol. 17, no. 1

103--110

EN

Purpose: The aim of this study was to investigate relationships between functional asymmetry of lower limbs, taking into account morphological features of the feet, and jumping ability in men and women. Methods: The study population consisted of 56 subjects, 30 women (age: 20.29 ± 0.59 years; body mass: 58.13 ± 4.58 kg, body height: 165.60 ± 5.03 cm) and 26 men (age: 20.41 ± 0.78 years, body mass: 78.39 ± 8.42 kg, body height: 181.15 ± 6.52 cm). The measurements of longitudinal arches were performed with the plantographic method on the basis of Clarke’s angle mapped on a computer foot print. The measurements of jumping performance during bilateral (two legs) and unilateral (single-leg) counter movement jump (CMJ) were done on force plate. All subjects jumped three times each type of jump (total 9 jumps): three right leg, three left leg and three two legs. We put the test results through a detailed statistical analysis with the Statistica 8.0. The t-test for dependent variables and the Wilcoxon signed-rank test for divergent variances of the features compared. The analysis of relationships between the chosen podometric and plantographic features and jumping performance was conducted on the basis of the Pearson product-moment correlation coefficient (for the features which presented normal distribution, according to the Shapiro–Wilk test). Results: The correlations between values of height of single-leg jumps (right and left) and bilateral jumps, and foot indices were found in few cases only in men who had greater values of jump height with the non-dominant limb. We did not find a significant difference in jumping ability between the dominant limb and the non-dominant limb in women. We found bilateral deficits in jumping ability in the study groups, though we did not find significant differences (P ≤ 0.05) between the values for women (a mean of 6.5%) and for men (a mean of 8.4%). Conclusion: We found significant gender differences of the correlations between the values of height of jumps (single-leg and bilateral jumps) and foot indices.

4

Laterality versus ankle dorsiand plantarflexion maximal torques

Trzaskoma Z., Ilnicka L., Wiszomirska I., Wit A., Wychowański M.

Acta of Bioengineering and Biomechanics

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2015

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Vol. 17, no. 2

131--141

EN

Purpose: The aim of the study was to analyze the connections between the functional asymmetries of lower limbs, taking into account morphological feet features, and ankle dorsi- and plantarflexion maximal torques in men and women. Methods: The study population consisted of 56 young subjects among which there were 30 women and 26 men. The assessment of upper and lower limbs’ side dominance was performed on the basis of surveys, verified with simple motor tasks that resembled the actions characteristic of the upper and lower limbs. The measurements of body build, as well as foot build, were performed with the use of accepted instruments according to the anthropometry standards. The measurements of longitudinal foot arches were conducted using the pantographic method. Ankle dorsi- and plantarflexion maximal torque values were measured under static conditions. Results: We found a positive correlation between the functional dominance of lower limb and greater strength only for ankle plantarflexion maximal torque values in correct laterality variants in women and in only one variant in men. No correlation was found between foot morphological asymmetry and the ankle dorsiand plantarflexion maximal torque values, either in women or in men. Conclusion: Our results support the idea that the functional lower limb dominance is not equivalent to the greater muscle strength.

5

A comparative analysis of two allochthonous populations of the Chinese mitten crab (Eriocheir sinensis H. Milne-Edwards, 1853) from the Szczecin Lagoon (NW Poland) and San Francisco Bay (US west coast)

Czerniejewski P., Wawrzyniak W., Pasewicz W., Bełdowska A.

Oceanologia

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2007

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No. 49 (3)

353-367

EN

Selected biological and morphometric characters of two populations of the non-indigenous Chinese mitten crab, one from the Szczecin Lagoon (SL) and the other from San Francisco Bay (SFB), both sampled in autumn, were analysed. The SL crabs showed a significantly higher individual weight, length and carapace width. Males accounted for 55% (87 individuals) of the 179 SL crabs, and 62.9% (90 individuals) of the SFB crabs. Statistical analysis of metric characters, expressed as a percentage of carapace width (X2), enabled four diagnostic characters to be identified: abdomen width (X11), carapace height (X3), left claw length (X7) and carapace length (X1). These jointly explain 71.75% of the differences between the SL and SFB crabs and are indicative of the distinctness of the populations.

6

Taxonomic interpretation and sexual dimorphism in the Early Cretaceous (Valanginian) ammonite Valanginites nucleus (ROEMER, 1841)

Ploch I.

Acta Geologica Polonica

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2003

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Vol. 53, nr 3

201-208

EN

Sexual dimorphism in the Valanginian ammonite Valanginites nucleus (ROEMER, 1841), is recognised in the material from Wąwał, Central Poland. Two sexes, differing in size and number of ribs are distinguished. Intraspecific ornament variation is linked to sexual dimorphism. Three morphotypes (nucleus, wilfridi and ventrotuberculatum) occur along with forms intermediate between these morphotypes. In all the morphotypes two sexes were found. Valanginites bachelardi is interpreted as the microconch of the nucleus morphotype.

7

Geographical differences in size, reproduction and behaviour of bank voles in relation to density variations

Yoccoz N., Hansson L., Ims R.

Polish Journal of Ecology

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2000

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Vol. 48, Suppl.

63-72

EN

The bank vole in Europe is hardly genetically differentiated, except in northern Fennoscandia, but shows large phenotypic variation. Body weight has been studied in the field and in the laboratory. Large bank voles are known in northern cyclic populations found on islands and in alpine areas. Reproductive patterns show that the length of the breeding season and the maturation processes may be more influenced by the fluctuation patterns than the length of the vegetative period. Behavioural differences are also known to occur between individuals from northern cyclic populations and individuals from southern stable populations. The relative importance of density fluctuations patterns and environmental harshness in causing geographical variation patterns is not known.