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PRIMA PAGINĂ ECOTERRA NUMĂRUL 2(7)/2005


Ecoterra, No. 7, p. 8, 2005

Dana MALSCHI
Universitatea Babeş-Bolyai din Cluj-Napoca, Facultatea de Ştiinţa Mediului

Abstract: The paper presents the experience proceeding from Agricultural Rersearch and Development Station Turda investigation, which has pointed out that the agroecosystem with antierosional protective forestry belts is special richly on useful entomophagous arthropod fauna. This agrecosystem represents a model of ecological technology for the pests control and for the cereal crops sustainable development.
Key words: biodiversity, entomophagous, agroecosystem, ecotechnology


Ecoterra, No. 7, p. 9, 2005

Laura ARDELEAN, Eniko MARTON
Agenţia pentru Protecţia Mediului, Maramureş

Abstract: In the first part of the paper there are discussed environmental issues regarding the wastes in the contemporary society. In the second part, the urban and rural wastes from the Maramureş County are subjected to debate (the related aspects are summarized in the table and figures of the article).
Key words: wastes, environment, Maramureş county


Ecoterra, No. 7, pp. 16-17, 2005

Iustinian PETRESCU
Universitatea Babeş-Bolyai din Cluj-Napoca, Facultatea de Ştiinţa Mediului
Christodoulos ANGELOPOULOS
Environmental Consulting, Thessaloniki, Greece

Abstract: After a short characterization regarding the geographic location of Santorin Isles (in the sout of the Cyclade archipelago) we insist on their geological evolution. There are presented details on the features of the catastrophic eruption in the year 1645 B.C. which lead to the decay of the huge present caldera. We share professor Sp Marinatos’ opinion according to which the Minoic Civilization, including that regarding the Santorin (Thira) Isle, was devastated by an earthquake which took place in Santorin approximately 1 year before the volcanic eruption in the year 1645 B.C. There are given details about the Akrotiri excavations and arguments supporting the existence of the above mentioned earthquake, as well as the apocalyptic amplitude of the volcanic eruption in the year 1645 B.C.
Key words: volcanic eruption, earthquake, Santorin Isles, geological evolution


Ecoterra, No. 7, pp. 25-26, 2005

Petre OGRUŢAN
Universitatea TRANSILVANIA Braşov

Abstract: The article emphasizes the responsible attitude towards the environment of a Japanese company. The firm policy in the area of environment protection is stated and several projects are mentioned, as for instance the re-forestation of certain areas and the use of biodegradable materials for packages and carcasses. The technological information used in the firm’s microcontrollers for the decrease of the electromagnetic emissions is also mentioned.
Key words: environment protection, Fujitsu company, electromagnetic emissions


Ecoterra, No. 7, pp. 26-27, 2005

Carmen POPESCU
S.C. ICPE S.A. Bucureşti

Abstract: Environmental mercury levels have increased considerably since the one-set of the industrial age. Mercury is now present in various environmental media and food (especially fish) all over the globe at levels that adversely affect humans and wildlife. The most significant releases of mercury pollution are emissions to air, but mercury is also released from various sources directly to water and land. Mercury persists in the environment where it circulates between air, water, sediments, soil and biota. Methylmercury is a highly toxic mercury compound that passes the placental barrier and the blood-brain barrier, and is a neurotoxicant, which may in particular cause adverse effects on the developing brain. Mercury pollution has significant impacts at local, national, regional and global levels. Numerous actions implemented in Europe, North America and elsewhere have successfully reduced uses and releases of mercury. Emissions of mercury from major industrial sources are now subject to EU Directive 96/61/EC on Integrated Pollution Prevention and Control (IPPC). EU legislation also prohibits or restricts the use of mercury in the following applications: batteries, electrical and electronic equipment, pesticides and biocides, cosmetics, wood preservatives, textile treatment agents, switches in vehicles. A specific mercury programme was established within UNEP in 2003 to encourage all countries to adopt gols and take actions in order to identify at-risk populations, minimise exposure to mercury and reduce human-generated mercury release.
Key words: mercury, pollution, environment protection, legislation


Ecoterra, No. 7, pp. 28-29, 2005

Endre DOMOKOS
Universitatea Veszpremi, Ungaria
Enikő FAZAKAS
Universitatea Babeş-Bolyai din Cluj-Napoca, extensia Sf. Gheorghe
Holenda BALÁZS, Ákos RÉDEY
Universitatea Veszpremi, Ungaria

Abstract: Experiences of the reconstruction of an A/O type wastewater treatment plant are introduced in this paper. The most important consequence is the adequate adjustment of the relative sludge load and aeration. In this very case, the aeration capacity resulted in limited relative sludge load. Presumably more intensive mixing would result in more efficient oxygen absorption. Biological excess phosphorus removal would improve in the aeration basin as well. This effect results in low relative load gain without aeration capacity improvement because of the endangerment of the nitrification process.
Key words: wastewater treatment plant, aeration, oxygen consumption, sludge load


Ecoterra, No. 7, pp. 30-31, 2005

Viorica Ani MERLA
Primăria Municipiului Constanţa
Glicherie CARAIVAN
Universitatea „Ovidius” Constanţa
Carmina POPESCU
Primăria Municipiului Constanţa

Abstract: The global climate changes (the increase of the average temperature, the changes in the regime and quantity of precipitations) and the deforestations have determined in the last decade a growth of the areas affected by desertification at the level of the entire planet. This is why desertification is considered to be the greatest plague threatening Terra. Romania is the first European country situated north of the 44° parallel, confronted with the issue of desertification. At the time, in Romania, most affected by the dryness are: the Dobrogea area, south of Moldavia, east of Muntenia.
Key words: climate change, desertification, Dobrogea


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