A5104008876- Collembola Taxonomy and Ecology Studies
- Subterranean biodiversity and taxonomy
- Marine and environmental studies
- Bryophyte Studies and Records
- Species Distribution and Climate Change
- Invertebrate Taxonomy and Ecology
- Dynamics and Control of Mechanical Systems
- Environmental and Biological Research in Conflict Zones
- Study of Mite Species
- Spider Taxonomy and Behavior Studies
- Robotic Mechanisms and Dynamics
- Environmental DNA in Biodiversity Studies
- Botany and Plant Ecology Studies
- Forest Ecology and Biodiversity Studies
- Marine Biology and Ecology Research
- Hemiptera Insect Studies
- Advanced Numerical Analysis Techniques
- Energy, Environment, Agriculture Analysis
- Polar Research and Ecology
- Fossil Insects in Amber
- Cosmology and Gravitation Theories
- Research on scale insects
- Karst Systems and Hydrogeology
- Mechanics and Biomechanics Studies
- Climate Change and Sustainable Development
Gheorghe Asachi Technical University of Iași
2023-2025
National Institute of Research and Development for Technical Physics
2023
Emil Racovita Institute of Speleology
2009-2023
Romanian Academy
2017-2023
Academy of Romanian Scientists
2014
This paper offers new insights into gravitational interactions within a general non-inertial reference frame. By utilizing symbolic tensor calculus, the study establishes unified framework that connects time derivatives in frames to those inertial frames. The research introduces first integrals of motion for system many particles arbitrary and barycentric rotating These provide kinematic geometric visualization Additionally, generalized potential energy function is presented broader...
Endemic and rare species as bioindicators of habitat vulnerability were used to develop protection management plans for biotope prioritization (mainly islands habitats, lava tubes or groundwaters). Due their narrow distribution, the endemic (species confined a restricted geographic area) are more susceptible ecological disequilibrium loss than widespread ones. Consequently, endemics become endangered in context disturbance caused by anthropogenic pressure, making them suitable candidates...
The study of Collembola communities from the protected areas Codrul Secular Giumalău and Peştera Liliecilor in Eastern Carpathians Romania revealed 69 collembolan species belonging to 44 genera. In 57 were identified. Of these, five are new for fauna one species, Hymenaphorura ioni sp. nov., is science its description presented. natural reserve 25 identified, being first data concerning group this area.
In 2006-2007 we carried out faunal investigations in the vernal, estival and autumnal seasons scientific reserve Codrul Secular Giumalau using quantitative sampling methods. We identified 189 species of Coleoptera, 70 Collembola 20 Araneae. Of these, 11 phytophagous, 18 myceto/xylo-mycetophagous, 9 mixophagous, xylo- cambio-xylemophagous, 38 saproxylophagous, 125 (55 Collembola) detritivorous (sapro-, copro- necrophagous), 60 (40 Aranea) predators/parasitoids. Hymenaphorura polonica...
The rigid body displacement mathematical model is a Lie group of the special Euclidean SE (3). This article about algebra se (3) group. standard exponential map from onto natural parameterization these displacements. In technical applications, crucial problem vector minimal manifold paper presents unitary variant general class such parameterizations. recent years, dual has become comprehensive framework for analyzing and computing characteristics rigid-body movements Based on higher-order...
In this paper we focus on some edaphic macroinvertebrates, Oniscidea, Diplopoda, Chilopoda and Symphyla, their activity-density in relation with a short-term sampling protocol series of environmental factors. Our case study targeted the invertebrate community from Ivăneţu Massif near Rupestral Assembly Bozioru Mountains tested performance direct using tweezers, sifting leaf-litter Winkler sieve, extracting soil samples pitfall traps. order to achieve more realistic understanding oniscidean...
The activity of enzymes associated with digestion can reflect food availability and feeding preferences invertebrates in a particular habitat. Caves are mostly nutrient-poor habitats lacking primary production. In the present study enzymatic cellulases, trehalases chitinases was measured eight collembolan species differently cave environment: troglobionts (obligate species) Pseudacherontides spelaeus Protaphorura janosik; eutroglophiles Ceratophysella denticulata, Folsomia candida...
Abstract This paper introduces a novel computational method for analyzing the higher-order acceleration field of spatial kinematics chains. The is based on vector and quaternionic calculus, as well dual multidual algebra. A closed-form coordinate-free solution generated by morphism between Lie group rigid body displacements unit quaternions presented. Presented used investigation lower-pair serial Additionally, general studying arbitrary accelerations discribed. utilizes “automatic...