The effect of climate on populations of grape moths in the vineyard Stefanesti-Arges
D. BĂRBUCEANU
D. CUPŞA, I. SAS, I. TELCEAN & S.D. COVACIU-MARCOV
Bitterling growth biology (Rhodeus amarus L.) in the Bistriţa river
K.W. BATTES & I. STOICA
Study about the ontogenetic development of cephalic sensory system
of Cottus gobio Linaeus 1758 (Pisces; Cottidae)
I.C. TELCEAN, I. SAS & N.R. RADU
The physical-chemical description and the analysis of the main perturbing factors
of the Vâlsan hydrographic basin
A.M. VLĂDUŢU, C.M. DOBRESCU & G. BRATU
Ecological aspects on lizard populations from Obcinele Bucovinei (Suceava)
I. ION, P.S. ILIESI & E. ION
Preliminary data concerning the herpetofauna in Neamţ County (Romania)
D. GHIURCĂ, S. ROŞU & I. GHERGHEL
The comparative analysis of the trophic spectrum of three populations
of Bombina variegata from the Şuştiu area (Bihor county, Romania)
V. PETER, I. TELCEAN, E. SERE, I. PURGEA & H. BOGDAN
Food composition of some Triturus dobrogicus Kir. 1903 population
from north-western Romania
A.Şt. CICORT-LUCACIU, D. CUPŞA, I. GHIRA, H. BOGDAN & A. POP
The seasonal variation of the food of a non-hibernated Rana ridibunda Pallas 1771 population
from the thermal lake from 1 Mai Spa, Romania
S.D. COVACIU-MARCOV, I. SAS, D. CUPŞA, H. BOGDAN & J. LUKÁCS
Dates concerning breeding biology at the great reed warbler (Acrocephalus arundinaceus)
J.W. MULLER & C. GACHE
Waste water treatment plants’s ponds from Oradea - potential spa for Natura 2000 network
D. RADOVEŢ, Z. LUNCAN & C. MOCAN
HISTOLOGY, GENETICS & MEDICAL SCIENCES
Histological studies on the liver in the CCL4 intoxicated frog (Rana ridibunda)
A. PĂUNESCU, Cr. PONEPAL & O. DRĂGHICI
The establishment of total DNA quantity variability interavals, for five types of tissue,
from Carassius auratus gibelio Bloch 1783, individuals
L. D. GORGAN & S.R. GHERASIM
The value of the all children’ prognosis according to the metaphases type
C. NAGY
Epidemiological data regarding the infant cancer incidence
in Bihor county during 1990-1995
C. NAGY
Á. PUSKÁS, M. ŞEULEAN, M. DRĂGAN-BULARDA & A. SAMUEL
A comparative study on the microbial activities and physiological groups of bacteria
in some caves from Pădurea Craiului Mountains
M.A. ŞEULEAN, Á. PUSKÁS, M. DRĂGAN-BULARDA & A. SAMUEL
Distribution of phosphatase in a brown luvic soil under wheat and maize crops
A.D. SAMUEL, S. VICAŞ & M. ŞIPOŞ
Dehydrogenase and catalase activities in a brown luvic soil under wheat and maize crops
A.D. SAMUEL, S. VICAŞ & M. ŞIPOŞ
PLANT PHYSIOLOGY & VEGETAL BIOTECHNOLOGY
Diurnal and seasonal changes in the transpiration rate of apple trees
D. RADOVEŢ-SALINSCHI & D. CACHIŢĂ-COSMA
A study about the effect of liquid nitrogen (-196ºc) on barley grain (Hordeum vulgare L.)
F. HURGOIU & M. ŞIPOŞ
The initiation of lotus (Nelumbo nucifera) vitroculture
C.L. CHIRIIAC & J.E. ROMOCEA
The acclimatization of african violets exvitroplantlets in substratum consisting in sawdust
A. PETRUS-VANCEA
BIOLOGICAL EDUCATION
The environment retrospective and future
A. BARNA, R. BARNA & F. NAGY-TOTH
The training part of extra-class activities with biology as the starting point
A. BARNA & B. ROMAN
Reform views in the natural sciences education sustained
at the first National Congress of the Romanian Naturalists
S. BURCĂ