Teaching biodiversity with online identification tools from KeyToNature: a comparative study

This paper reports on new pedagogical approaches in teaching biodiversity by using online interactive identification tools developed by the European project KeyToNature. A comparative educational study was carried out on two classes of students, revealing the educational value of the interactive identification tools. A systematic evaluation of both the educational processes and the acquired skills was conducted, and the results are presented here

CANOLA CULTURE WITHIN THE NEW CLIMATE CHANGES CONTEXT

The limitation of the environmental pollution and the problem of the fossil fuels depletion have determined the world scientific community to focalize on finding energetic alternatives that could solve these urgent problems. The research aimed at the energetic cultures, represented by the oilseeds, with the goal of using the biomass as an alternative source of energy. Obtaining bio fuels from vegetable oils is a viable solution because it uses renewable resources and it does not pollute the environment. The canola culture used to rank fourth, at the global level and it is the third among the oil cultures, at the present moment. Thus, it is needed an intensification of the research regarding the influence of the technological factors on the qualitative and quantitative parameters of the canola culture, under the circumstances of the climate changes, determined by the intensification of the pollution phenomenon. This kind of research has been initiated, starting with 2008, in Turda area (Viişoara, Cluj county), in the specific conditions of the Transylvanian Plain

COMPUSI BIOCHIMICI COMPLECSI CU POTENTIAL BIOTEHNOLOGIC DIN ALBUSUL OAULOR DE GAINA

Eggs are natural foods with high nutritional benefits providing an inexpensive and low calorie source of high quality protein and several important nutrients. Among various components, ovalbumin from the egg white and IgY antibodies from the egg yolk have a high applicative potential. Many farm companies use whole egg (white and yolk) and a few undertake some basic fractionation of the egg into its yolk and white, both with a resultant waste stream of egg shell. The extraction of pure components from the white or yolk (or shell) is poorly undertaken worldwide to date. The opportunity exists to use the egg white as a source of several valuable proteins, the yolk as a source of proteins and lipids, and the shell as a source of calcium and collagen

COMPUŞI BIOCHIMICI COMPLECŞI CU POTENŢIAL BIOTEHNOLOGIC DIN GĂLBENUŞUL OUĂLOR DE GĂINĂ

Eggs have been called “nature’s perfect food”. This is because they are one of the few “complete protein foods”, i.e. they contain all the nine essential amino acids which cannot be manufactured from the body but must be obtained from foods. The contents of a shell egg provide all these essential amino acids as well as a significant number of vitamins and minerals. These contents are perfectly and naturally packaged in an egg shell. Despite their previously suspected role in promoting high cholesterol, nutritionists now agree that moderate egg consumption has little or no negative effect on cholesterol levels. Eggs are an excellent, inexpensive and low-calorie source of high quality protein and several important nutrients, including riboflavin, selenium and Vitamin K. They contain protein which is needed for building and repairing the cells in muscles and other body tissues. These proteins are made up of smaller units called amino acids. All of the amino acids which are essential for humans are found in eggs in such ideal proportions that egg protein is used as the standard against which all other protein foods are rated

THE WATER CONSUMPTION AT RAPE IN THE SOMES PLAIN’S CONDITIONS

The paper presents the results regarding the water consumption at rape crop, irrigated and unirrigated, in the conditions of the Satu Mare (Romania) area. Data analysis on the average monthly consumption of three years shows that the total value is higher for irrigated culture (5154.66 m3) compared with non-irrigated variant (4678.66 m3). During the growing culture of rapeseed, the highest values of total water consumption were recorded during May, June and July

STUDIES ON TEACHING BIODIVERSITY BY THE USE OF ONLINE INTERACTIVE IDENTIFICATION TOOLS

Modern teaching methods and learning with educational soft allow education to adapt to current and future needs of modern society. Computer-assisted learning for specific biodiversity study with on line K2N tools facilitate the work of learning capacity for observation, consolidation of knowledge and intellectual skills. Interactive educational tools are innovative educational solutions, student-centered, replace conventional identification keys of identifying the organisms and exploit the interdisciplinary character: digital skills, concepts of plant morphology, systematic botany. Through modern and accessible design makes easier the learning process of main morphological characteristics of living organisms, allowing the correct identification and recognition of the species studied. E-Learning development platform, availability of instruments in various forms is particularly important because students can access the tools outside the classroom, the study of ecosystems or visits home, strengthening the knowledge. Following the comparative study conducted at two classes of students using the teaching with K2N tools approach to one class test results showed the effectiveness of their particular teaching-learning-evaluation

INFLUENCE OF SOME TECHNOLOGICAL FACTORS ON THE QUALITY PRODUCTION OF RAPE CULTURE UNDER THE NORTH WESTERN CONDITIONS OF ROMANIA

The paper presents the results of studies regarding the influence of irrigation on the rape quality yield  culture in an important area of Transylvania, respectively Satu Mare, during 2009-2011. In experiments tested a new biological material, varieties and hybrids with high yield. The experimental factors studied at Satu Mare were - factor A - water regime, factor B - variety, (especially biological material) and factor C - plant density